Implementation method of universal excitation simulation system of air defense system

Abstract

The invention relates to the technical field of aerospace, and discloses an implementation method of a universal excitation simulation system of an air defense system, which comprises a radar basic attribute setting module, a target electromagnetic scattering feature library resolving module, a real-time detection distance resolving module, an electronic warfare interaction module, an early warning radar module, a fire control radar module and a decision scheduling module. The radar basic attribute setting module, the target electromagnetic scattering feature library resolving module, the real-time detection distance resolving module, the electronic warfare interaction module, the early warning radar module, the fire control radar module and the decision scheduling module are coordinated and matched to complete module functions and data interaction. The construction of an air defense system reconnaissance and evaluation whole process performance-level simulation model and the construction of an external system signal-level simulation model are realized, and a high-fidelity air defense system simulation system is provided for simulation verification of aerospace related technologies. Meanwhile, based on a universal component, simulation of different types of air defense systems can be realized, and closed loops of different target strike verification processes are supported to be completed.

Description

Technical Field

[0001] The present application relates to the field of aerospace technology, and for example, to a method for implementing a universal excitation simulation system for an air defense system. Background Art

[0002] At present, the highly realistic open air defense system simulation system is one of the key nodes in the closed-loop simulation verification process of aerospace attack and defense decision-making and mission strike related technologies. It can provide target reconnaissance data incentives, comprehensive threat warning data incentives, and target strike maneuver incentives, etc., to support the completion of mission execution risk assessment, strike result assessment, penetration probability assessment, mission decision optimization and other related technical verification and optimization.

[0003] To achieve the above functions, the air defense system simulation system needs to have functional modules such as reconnaissance, tracking, attack, decision-making, parameter characteristic excitation output, etc., and an open system parameter setting interface to achieve high-fidelity air defense system simulation of different models. The current air defense system simulation system modeling does not consider the full-dimensional capability simulation requirements. Most simulation systems are functional simulation models, covering a single capability and inconvenient capability expansion.

[0004] It should be noted that the information disclosed in the above background technology section is only used to enhance the understanding of the background of the present application, and therefore may include information that does not constitute the prior art known to ordinary technicians in the field. Summary of the invention

[0005] In order to provide a basic understanding of some aspects of the disclosed embodiments, a brief summary is given below. The summary is not an extensive review, nor is it intended to identify key / critical components or delineate the scope of protection of these embodiments, but rather serves as a prelude to the detailed description that follows.

[0006] The disclosed embodiment provides a method for implementing a universal excitation simulation system for an air defense system to solve the problems in the above-mentioned background technology.

[0007] In some embodiments, the method for implementing a general excitation simulation system for an air defense system includes: constructing a radar basic attribute setting module, which is configured to set radar parameters of an early warning radar and a fire control radar; constructing a target electromagnetic scattering feature library solution module, which is configured to solve the real-time RCS of the target according to the real-time position of the target, the real-time attitude of the target and the radar position; constructing a real-time detection distance solution module, which is configured to calculate the real-time detection distance of the target according to the radar parameters and the real-time RCS, and evaluate whether the target is discovered; constructing an electronic warfare interaction module based on the target being discovered, which is configured to calculate the real-time detection distance of the target based on the target electronic interference model signal output value, the target electronic interference model signal suppression method and the radar position; The system calculates the parameters and evaluates the degree of compression of the radar detection distance by electronic interference, and recalculates the evaluation through the real-time detection distance to obtain the evaluation result; constructs an early warning radar module, which is configured to adaptively modify the original measurement matrix according to the radar parameters, real-time detection distance and evaluation results, and completes coarse-precision target tracking and data fusion; constructs a fire control radar module, which is configured to complete high-precision target tracking and data fusion and target trajectory prediction according to the radar parameters, evaluation results and coarse-precision information; constructs a decision-making and scheduling module based on the multi-target attack capability characteristics and workflow of the air defense system, which is configured to allocate attack control instructions, radar working modes, and radar scheduling conditions.

[0008] Optionally, it also includes: building an interceptor missile module based on high-precision information, attack control instructions, a three-stage guidance model, a kinematic model and a dynamic model to complete the simulation of target interception and strike capability.

[0009] Optionally, it also includes: constructing an air defense radar signal excitation module, which is configured to complete radar signal and waveform simulation according to radar parameters, radar working mode, and radar scheduling conditions.

[0010] Optionally, it also includes: constructing a maneuvering module, including a maneuvering module supporting path planning, a uniform linear motion maneuvering module and a typical state maneuvering module, which is configured to output a real-time position to a real-time detection distance solution module and a target electromagnetic scattering feature library solution module.

[0011] Optionally, it also includes: completing encapsulation according to system interface encapsulation specifications and code writing specifications, and implementing a unified scheduling interface based on initializing interaction functions, running interaction functions, and terminating interaction functions to provide a data interaction carrier for each functional structure.

[0012] Optionally, it also includes: replacing the corresponding sub-module model based on subsequent algorithm optimization, replacement or functional change; and / or modifying the internal interaction structure and corresponding parameter function based on the addition of a data interaction interface.

[0013] Optionally, the method for calculating the real-time detection distance of the target includes: calculating the real-time detection distance of the target in combination with a standard radar detection distance solution equation.

[0014] Optionally, the method for evaluating the degree of compression of the radar detection range by electronic interference includes: using approximate entropy and correlation principles to comprehensively evaluate the degree of compression of the radar detection range by electronic interference.

[0015] Optionally, the method for completing coarse-precision target tracking and data fusion includes: implementing coarse-precision target tracking and data fusion based on a nonlinear Kalman filtering algorithm.

[0016] Optionally, the method for completing high-precision target tracking and data fusion and performing target trajectory prediction includes: achieving high-precision target tracking and data fusion based on a nonlinear Kalman filtering algorithm, and performing target trajectory prediction based on a target motion equation and a filtering algorithm.

[0017] The embodiment of the present disclosure provides a method for implementing a universal excitation simulation system for an air defense system, which can achieve the following technical effects:

[0018] The disclosed embodiment provides a method for realizing a general excitation simulation system of an air defense system, including constructing a radar basic property setting module, which is configured to set radar parameters of an early warning radar and a fire control radar. Constructing a target electromagnetic scattering feature library solution module, which is configured to solve the real-time RCS of the target according to the real-time position of the target, the real-time attitude of the target and the radar position. Constructing a real-time detection distance solution module, which is configured to calculate the real-time detection distance of the target according to the radar parameters and the real-time RCS, and evaluate whether the target is discovered. Constructing an electronic warfare interaction module based on the target being discovered, which is configured to evaluate the compression degree of electronic interference on the radar detection distance based on the output value of the target electronic interference model signal, the target electronic interference model signal suppression method and the radar parameters, and recalculate the evaluation through the real-time detection distance to obtain the evaluation result. Constructing an early warning radar module, which is configured to adaptively modify the original measurement matrix according to the radar parameters, the real-time detection distance and the evaluation results, and complete the coarse-precision target tracking and data fusion. Constructing a fire control radar module, which is configured to complete high-precision target tracking and data fusion and target trajectory prediction according to the radar parameters, the evaluation results and the coarse-precision information. A decision-making and scheduling module is built based on the multi-target attack capability characteristics and workflow of the air defense system, and is configured to allocate attack control instructions, radar working modes, and radar scheduling situations.

[0019] The module functions and data interaction are completed through the coordination and cooperation between the radar basic property setting module, the target electromagnetic scattering feature library solution module, the real-time detection distance solution module, the electronic warfare interaction module, the early warning radar module, the fire control radar module and the decision-making scheduling module. The construction of the performance-level simulation model of the air defense system's full process of detection, attack and evaluation and the construction of the external system signal-level simulation model have been realized, providing a highly realistic air defense system simulation system for the simulation verification of aerospace-related technologies. At the same time, based on universal components, simulation of air defense systems of different models can be realized, supporting the completion of the closed-loop verification process of different target strikes, which is suitable for engineering simulation technology research.

[0020] The above general description and the following description are exemplary and explanatory only and are not intended to limit the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] One or more embodiments are exemplarily described by corresponding drawings, and these exemplary descriptions and drawings do not constitute limitations on the embodiments. Elements with the same reference numerals in the drawings are considered similar elements, and the drawings do not constitute a scale limitation, and wherein:

[0022] Figure 1 It is an architecture diagram of a method for implementing a general excitation simulation system for an air defense system provided by an embodiment of the present disclosure;

[0023] Figure 2 is a flow chart of a method for implementing a general excitation simulation system for an air defense system provided by an embodiment of the present disclosure;

[0024] Figure 3 is another flow chart of a method for implementing a general excitation simulation system for an air defense system provided by an embodiment of the present disclosure;

[0025] Figure 4 is another flow chart of a method for implementing a general excitation simulation system for an air defense system provided by an embodiment of the present disclosure;

[0026] Figure 5 is another flow chart of a method for implementing a general excitation simulation system for an air defense system provided by an embodiment of the present disclosure;

[0027] Figure 6 is another flow chart of a method for implementing a general excitation simulation system for an air defense system provided by an embodiment of the present disclosure;

[0028] Figure 7 is another flow chart of a method for implementing a general excitation simulation system for an air defense system provided by an embodiment of the present disclosure;

[0029] Figure 8 is another flow chart of a method for implementing a general excitation simulation system for an air defense system provided by an embodiment of the present disclosure;

[0030] Fig. 9 is another flow chart of a method for implementing a general excitation simulation system for an air defense system provided by an embodiment of the present disclosure;

[0031] Fig.10 is another flow chart of a method for implementing a general excitation simulation system for an air defense system provided by an embodiment of the present disclosure;

[0032] Fig.11 It is another flow chart of a method for implementing a general excitation simulation system for an air defense system provided by an embodiment of the present disclosure. DETAILED DESCRIPTION

[0033] In order to be able to understand the features and technical contents of the embodiments of the present disclosure in more detail, the implementation of the embodiments of the present disclosure is described in detail below in conjunction with the accompanying drawings. The attached drawings are for reference only and are not used to limit the embodiments of the present disclosure. In the following technical description, for the convenience of explanation, a full understanding of the disclosed embodiments is provided through multiple details. However, one or more embodiments can still be implemented without these details. In other cases, to simplify the drawings, well-known structures and devices can be simplified for display.

[0034] The terms "first", "second", etc. in the specification and claims of the embodiments of the present disclosure and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the terms used in this way can be interchanged where appropriate, so that the embodiments of the embodiments of the present disclosure described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions.

[0035] Unless otherwise stated, the term "plurality" means two or more.

[0036] In the embodiment of the present disclosure, the character " / " indicates that the preceding and following objects are in an "or" relationship. For example, A / B indicates: A or B.

[0037] The term "and / or" is a description of the association relationship between objects, indicating that three relationships can exist. For example, A and / or B means: A or B, or, A and B.

[0038] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present disclosure may be combined with each other.

[0039] Combination Figure 1 and Figure 2 As shown, the embodiment of the present disclosure provides a method for implementing a general excitation simulation system for an air defense system, including:

[0040] S201. Construct a radar basic attribute setting module, which is configured to set radar parameters of early warning radar and fire control radar.

[0041] S202, constructing a target electromagnetic scattering feature library solution module, which is configured to solve the real-time RCS of the target according to the real-time position of the target, the real-time attitude of the target and the radar position.

[0042] S203, constructing a real-time detection distance calculation module, which is configured to calculate the real-time detection distance of the target according to the radar parameters and the real-time RCS, and evaluate whether the target is discovered.

[0043] S204, constructing an electronic warfare interaction module based on the target being discovered, which is configured to evaluate the degree of compression of the radar detection distance by electronic interference based on the target electronic interference model signal output value, the target electronic interference model signal suppression method and radar parameters, and recalculate the evaluation through real-time detection distance to obtain an evaluation result.

[0044] S205, constructing an early warning radar module, which is configured to adaptively modify the original measurement matrix according to radar parameters, real-time detection distance and evaluation results, to complete coarse-precision target tracking and data fusion.

[0045] S206, constructing a fire control radar module, which is configured to complete high-precision target tracking and data fusion and target trajectory prediction according to radar parameters, evaluation results and coarse-precision information.

[0046] S207. A decision-making and scheduling module is constructed based on the multi-target attack capability characteristics and workflow of the air defense system, and is configured to allocate attack control instructions, radar working modes, and radar scheduling conditions.

[0047] The disclosed embodiment provides a method for realizing a general excitation simulation system for an air defense system, which completes module functions and data interaction through the coordinated work among the radar basic property setting module, the target electromagnetic scattering feature library solution module, the real-time detection distance solution module, the electronic warfare interaction module, the early warning radar module, the fire control radar module and the decision-making scheduling module. The construction of a performance-level simulation model for the entire process of air defense system detection, attack and evaluation and the construction of a signal-level simulation model for an external system are realized, providing a highly realistic air defense system simulation system for simulation verification of aerospace-related technologies. At the same time, based on universal components, simulations of air defense systems of different models can be realized, supporting the completion of a closed-loop verification process for attacking different targets, and is suitable for research on engineering simulation technology. The specific working principles of each module are as follows:

[0048] Create the radar basic attribute setting module class RADAR_NATRUE, define the radar attribute variables as private variables, declare and define the radar parameter assignment function, build a built-in parameter library and support automatic assignment according to the input radar type flag. The radar parameter library includes AN / SPY-1D(V) detection radar and AN / SPG-62 fire control radar.

[0049] The electromagnetic scattering feature library solution module RCS_CALCULATE defines the XX aircraft omnidirectional RCS database (including single targets and group targets) as a private variable in the specified format, declares and implements the RCS extraction parameter real-time solution function, RCS fitting output function, and RCS database maintenance function. The RCS data interval is 1°, and the Lagrange interpolation method is used. The RCS data is stored through the variable Real_Time_RCS.

[0050] The real-time detection distance calculation module RANGE_CALCULATE declares and defines the radar real-time detection distance calculation function. The function input includes Real_Time_RCS, RADAR_NATRUE, Real_Time_Position, and PLANE_OUPUT (interactive flight simulation model output structure). The real-time detection distance is stored through the variable Real_Time_Range.

[0051] The electronic warfare interaction module ELE_WARFARE declares and defines the interference effectiveness index evaluation function. The function input includes RADAR_NATRUE and PLANE_ELE (interactive airborne electronic warfare model output structure). It evaluates the electronic warfare interference effect in real time. The evaluation indicators include PAPR, energy, correlation coefficient, and approximate entropy. The evaluation results include measurement error increase coefficient, detection distance compression ratio, etc., which are stored through the structure Real_Time_Ele.

[0052] The early warning radar module WARNING_RADAR declares and defines the nonlinear Kalman filter function and data fusion function. The function inputs include RADAR_NATRUE, Real_Time_Position, PLANE_OUPUT, Real_Time_Range, and Real_Time_Ele. The function output is stored in the WARNING_EKF structure. The nonlinear filter uses the extended Kalman filter algorithm, and the data fusion uses the convex combination fusion algorithm.

[0053] The fire control radar module FIRE_RADAR declares and defines the nonlinear Kalman filter function and data fusion function. The function inputs include WARNING_CKF, RADAR_NATRUE, Real_Time_Position, PLANE_OUPUT, Real_Time_Range, and Real_Time_Ele. The function output is stored in the FIRE_CKF structure. The nonlinear filtering uses the low-order cubature Kalman filter algorithm, and the data fusion uses the federated Kalman filter algorithm.

[0054] The decision-making and scheduling module CONTROL realizes the radar working mode and coordination scheduling of the air defense system, the interception missile-target ratio and the judgment of the launch timing based on the principle of the mission machine, and completes the interception result evaluation based on the life status information transmitted back by the missile. The mission instructions and evaluation results are stored in the structure CONTROL_MISSION_STA.

[0055] Combination Figure 1 As shown, in some embodiments, Figure 3 As shown, a method for realizing a universal excitation simulation system for an air defense system is provided, and further includes

[0056] S301. Construct a radar basic attribute setting module, which is configured to set radar parameters of early warning radar and fire control radar.

[0057] S302, constructing a target electromagnetic scattering feature library solution module, which is configured to solve the real-time RCS of the target according to the real-time position of the target, the real-time attitude of the target and the radar position.

[0058] S303: construct a real-time detection distance calculation module, which is configured to calculate the real-time detection distance of the target according to the radar parameters and the real-time RCS, and evaluate whether the target is discovered.

[0059] S304, constructing an electronic warfare interaction module based on the target being discovered, which is configured to evaluate the degree of compression of the radar detection distance by electronic interference based on the target electronic interference model signal output value, the target electronic interference model signal suppression method and radar parameters, and recalculate the evaluation through real-time detection distance to obtain an evaluation result.

[0060] S305, constructing an early warning radar module, which is configured to adaptively modify the original measurement matrix according to radar parameters, real-time detection distance and evaluation results, to complete coarse-precision target tracking and data fusion.

[0061] S306, constructing a fire control radar module, which is configured to complete high-precision target tracking and data fusion and target trajectory prediction according to radar parameters, evaluation results and coarse-precision information.

[0062] S307. A decision-making and scheduling module is constructed based on the multi-target attack capability characteristics and workflow of the air defense system, and is configured to allocate attack control instructions, radar working modes, and radar scheduling conditions.

[0063] S308. Construct an interceptor missile module based on high-precision information, attack control instructions, a three-stage guidance model, a kinematic model, and a dynamic model to complete the simulation of target interception and strike capability.

[0064] In the disclosed embodiment, the interceptor missile module is constructed to complete the simulation of the target interception and strike capability, and realize the missile model simulation. The working principle is: the missile model is based on the three-stage guidance model, the terminal guidance is realized by the improved proportional guidance method, the maximum overload is set according to the missile parameters, the missile guidance data is obtained through FIRE_CKF, and the state information such as its own position, speed, working stage, etc. is stored through MISSILE_STA.

[0065] Combination Figure 1 As shown, in some embodiments, Figure 4 As shown, a method for realizing a general excitation simulation system for an air defense system is provided, comprising:

[0066] S401, constructing a radar basic attribute setting module, which is configured to set radar parameters of early warning radar and fire control radar.

[0067] S402, constructing a target electromagnetic scattering feature library solution module, which is configured to solve the real-time RCS of the target according to the real-time position of the target, the real-time attitude of the target and the radar position.

[0068] S403: construct a real-time detection distance calculation module, which is configured to calculate the real-time detection distance of the target according to the radar parameters and the real-time RCS, and evaluate whether the target is discovered.

[0069] S404, constructing an electronic warfare interaction module based on the target being discovered, configured to evaluate the degree of compression of the radar detection distance by electronic interference based on the target electronic interference model signal output value, the target electronic interference model signal suppression method and radar parameters, and recalculating the evaluation through real-time detection distance to obtain an evaluation result.

[0070] S405, constructing an early warning radar module, which is configured to adaptively modify the original measurement matrix according to radar parameters, real-time detection distance and evaluation results, to complete coarse-precision target tracking and data fusion.

[0071] S406, constructing a fire control radar module, which is configured to complete high-precision target tracking and data fusion and target trajectory prediction according to radar parameters, evaluation results and coarse-precision information.

[0072] S407. A decision-making and scheduling module is constructed based on the multi-target attack capability characteristics and workflow of the air defense system, and is configured to allocate attack control instructions, radar working modes, and radar scheduling conditions.

[0073] S408. Construct an interceptor missile module based on high-precision information, attack control instructions, a three-stage guidance model, a kinematic model, and a dynamic model to complete the simulation of target interception and strike capability.

[0074] S409, constructing an air defense radar signal excitation module, which is configured to complete radar signal and waveform simulation according to radar parameters, radar working mode, and radar scheduling conditions.

[0075] In the disclosed embodiment, the radar signal and waveform simulation is completed by constructing an air defense radar signal excitation module. It can provide signal-level data excitation for airborne warning, airborne electronic suppression and other systems, and realize the high-fidelity real-time excitation capability of the whole system. It solves the application demand for high-fidelity air defense system simulation system in the current simulation verification process. The working principle is that the air defense radar signal excitation module class RADAR_WAVE obtains the radar working status and basic parameters through CONTROL_MISSION_STA and RADAR_NATRUE, realizes the output of each radar signal level parameter of the air defense radar system, and stores it through the structure Real_Time_Wave.

[0076] Combination Figure 1 As shown, in some embodiments, Figure 5 As shown, a method for realizing a general excitation simulation system for an air defense system is provided, comprising:

[0077] S501. Construct a radar basic attribute setting module, which is configured to set radar parameters of early warning radar and fire control radar.

[0078] S502, constructing a target electromagnetic scattering feature library solution module, which is configured to solve the real-time RCS of the target according to the real-time position of the target, the real-time attitude of the target and the radar position.

[0079] S503: construct a real-time detection distance calculation module, which is configured to calculate the real-time detection distance of the target according to the radar parameters and the real-time RCS, and evaluate whether the target is discovered.

[0080] S504, constructing an electronic warfare interaction module based on the target being discovered, configured to evaluate the degree of compression of the radar detection distance by electronic interference based on the target electronic interference model signal output value, the target electronic interference model signal suppression method and radar parameters, and recalculating the evaluation through real-time detection distance to obtain an evaluation result.

[0081] S505, constructing an early warning radar module, which is configured to adaptively modify the original measurement matrix according to radar parameters, real-time detection distance and evaluation results, to complete coarse-precision target tracking and data fusion.

[0082] S506, constructing a fire control radar module, which is configured to complete high-precision target tracking and data fusion and target trajectory prediction according to radar parameters, evaluation results and coarse-precision information.

[0083] S507. A decision-making scheduling module is constructed based on the multi-target attack capability characteristics and workflow of the air defense system, and is configured to allocate attack control instructions, radar working modes, and radar scheduling conditions.

[0084] S508. Construct an interceptor missile module based on high-precision information, attack control instructions, a three-stage guidance model, a kinematic model, and a dynamic model to complete the simulation of target interception and strike capability.

[0085] S509, constructing an air defense radar signal excitation module, which is configured to complete radar signal and waveform simulation according to radar parameters, radar working mode, and radar scheduling conditions.

[0086] S510, constructing a maneuvering module, including a maneuvering module supporting path planning, a uniform linear motion maneuvering module and a typical state maneuvering module, which are configured to output a real-time position to a real-time detection distance solving module and a target electromagnetic scattering feature library solving module.

[0087] In the disclosed embodiment, the maneuver module MOTION outputs the real-time position to the real-time detection distance solution module and the target electromagnetic scattering feature library solution module through the Real_Time_Position structure to provide a highly realistic air defense system simulation system.

[0088] Combination Figure 1 As shown, in some embodiments, Figure 6 As shown, a method for realizing a general excitation simulation system for an air defense system is provided, comprising:

[0089] S601: construct a radar basic attribute setting module, which is configured to set radar parameters of early warning radar and fire control radar.

[0090] S602: construct a target electromagnetic scattering feature library solution module, which is configured to solve the real-time RCS of the target according to the real-time position of the target, the real-time attitude of the target and the radar position.

[0091] S603: construct a real-time detection distance calculation module, which is configured to calculate the real-time detection distance of the target according to the radar parameters and the real-time RCS, and evaluate whether the target is discovered.

[0092] S604, constructing an electronic warfare interaction module based on the target being discovered, configured to evaluate the degree of compression of the radar detection distance by electronic interference based on the target electronic interference model signal output value, the target electronic interference model signal suppression method and radar parameters, and recalculating the evaluation through real-time detection distance to obtain an evaluation result.

[0093] S605, constructing an early warning radar module, which is configured to adaptively modify the original measurement matrix according to radar parameters, real-time detection distance and evaluation results, to complete coarse-precision target tracking and data fusion.

[0094] S606: construct a fire control radar module, which is configured to complete high-precision target tracking and data fusion and target trajectory prediction according to radar parameters, evaluation results and coarse-precision information.

[0095] S607. A decision-making scheduling module is constructed based on the multi-target attack capability characteristics and workflow of the air defense system, and is configured to allocate attack control instructions, radar working modes, and radar scheduling conditions.

[0096] S608. Construct an interceptor missile module based on high-precision information, attack control instructions, a three-stage guidance model, a kinematic model, and a dynamic model to complete the simulation of target interception and strike capability.

[0097] S609, constructing an air defense radar signal excitation module, which is configured to complete radar signal and waveform simulation according to radar parameters, radar working mode, and radar scheduling conditions.

[0098] S610, constructing a maneuvering module, including a maneuvering module supporting path planning, a uniform linear motion maneuvering module and a typical state maneuvering module, which are configured to output a real-time position to a real-time detection distance solving module and a target electromagnetic scattering feature library solving module.

[0099] S611. Complete encapsulation according to the system interface encapsulation specification and code writing specification, implement a unified scheduling interface based on initializing interaction functions, running interaction functions, and terminating interaction functions, so as to provide a data interaction carrier for each functional structure.

[0100] In the disclosed embodiment, the external interaction function is encapsulated as INIT, RUN, and EXIT, and the standard external interaction structure includes INITDATA, INPUT, and OUTPUT, in which the corresponding interaction structures are nested to realize a unified scheduling interface, thereby providing a data interaction carrier for each functional structure.

[0101] Combination Figure 1 As shown, in some embodiments, Figure 7 As shown, a method for realizing a general excitation simulation system for an air defense system is provided, comprising:

[0102] S701. Construct a radar basic attribute setting module, which is configured to set radar parameters of early warning radar and fire control radar.

[0103] S702, constructing a target electromagnetic scattering feature library solution module, which is configured to solve the real-time RCS of the target according to the real-time position of the target, the real-time attitude of the target and the radar position.

[0104] S703: construct a real-time detection distance calculation module, which is configured to calculate the real-time detection distance of the target according to the radar parameters and the real-time RCS, and evaluate whether the target is discovered.

[0105] S704, constructing an electronic warfare interaction module based on the target being discovered, configured to evaluate the degree of compression of the radar detection distance by electronic interference based on the target electronic interference model signal output value, the target electronic interference model signal suppression method and radar parameters, and recalculating the evaluation through real-time detection distance to obtain an evaluation result.

[0106] S705, constructing an early warning radar module, which is configured to adaptively modify the original measurement matrix according to radar parameters, real-time detection distance and evaluation results, to complete coarse-precision target tracking and data fusion.

[0107] S706: construct a fire control radar module, which is configured to complete high-precision target tracking and data fusion and target trajectory prediction according to radar parameters, evaluation results and coarse-precision information.

[0108] S707. A decision-making and scheduling module is constructed based on the multi-target attack capability characteristics and workflow of the air defense system, and is configured to allocate attack control instructions, radar working modes, and radar scheduling conditions.

[0109] S708. Construct an interceptor missile module based on high-precision information, attack control instructions, three-stage guidance model, kinematic model and dynamic model to complete the simulation of target interception and strike capability.

[0110] S709, construct an air defense radar signal excitation module, which is configured to complete radar signal and waveform simulation according to radar parameters, radar working mode, and radar scheduling conditions.

[0111] S710, constructing a maneuvering module, including a maneuvering module supporting path planning, a uniform linear motion maneuvering module and a typical state maneuvering module, which are configured to output a real-time position to a real-time detection distance solving module and a target electromagnetic scattering feature library solving module.

[0112] S711. Complete encapsulation according to the system interface encapsulation specification and code writing specification, implement a unified scheduling interface based on initializing interaction functions, running interaction functions, and terminating interaction functions, so as to provide a data interaction carrier for each functional structure.

[0113] S712. Based on subsequent algorithm optimization, replacement or functional change, replace the corresponding submodule model, add a new data interaction interface, and modify the internal interaction structure and corresponding parameter function.

[0114] In the disclosed embodiment, when the subsequent simulation system algorithm is optimized, replaced or the function is changed, only the corresponding submodule model needs to be replaced. When a new data interaction interface is added later, only the interaction structure inside the simulation system and the corresponding parameter call implementation function need to be modified. This has the advantage of simple operation and can keep the interaction interface consistent.

[0115] Combination Figure 1 As shown, in some embodiments, Figure 8 As shown, a method for realizing a general excitation simulation system for an air defense system is provided, comprising:

[0116] S801. Construct a radar basic attribute setting module, which is configured to set radar parameters of early warning radar and fire control radar.

[0117] S802: construct a target electromagnetic scattering feature library solution module, which is configured to solve the real-time RCS of the target according to the real-time position of the target, the real-time attitude of the target and the radar position.

[0118] S803: construct a real-time detection distance calculation module, which is configured to calculate the real-time detection distance of the target according to the radar parameters and the real-time RCS in combination with the standard radar detection distance calculation equation, and evaluate whether the target is discovered.

[0119] S804, constructing an electronic warfare interaction module based on the target being discovered, configured to evaluate the degree of compression of the radar detection distance by electronic interference based on the target electronic interference model signal output value, the target electronic interference model signal suppression method and radar parameters, and recalculating the evaluation through real-time detection distance to obtain an evaluation result.

[0120] S805, constructing an early warning radar module, which is configured to adaptively modify the original measurement matrix according to radar parameters, real-time detection distance and evaluation results, to complete coarse-precision target tracking and data fusion.

[0121] S806: construct a fire control radar module, which is configured to complete high-precision target tracking and data fusion and target trajectory prediction based on radar parameters, evaluation results and coarse-precision information.

[0122] S807. A decision-making and scheduling module is constructed based on the multi-target attack capability characteristics and workflow of the air defense system, and is configured to allocate attack control instructions, radar working modes, and radar scheduling conditions.

[0123] S808. Construct an interceptor missile module based on high-precision information, attack control instructions, three-stage guidance model, kinematic model and dynamic model to complete the simulation of target interception and strike capability.

[0124] S809, construct an air defense radar signal excitation module, which is configured to complete radar signal and waveform simulation according to radar parameters, radar working mode, and radar scheduling conditions.

[0125] S810, constructing a maneuvering module, including a maneuvering module supporting path planning, a uniform linear motion maneuvering module and a typical state maneuvering module, which are configured to output a real-time position to a real-time detection distance solving module and a target electromagnetic scattering feature library solving module.

[0126] S811. Complete encapsulation according to the system interface encapsulation specification and code writing specification, implement a unified scheduling interface based on initializing interaction functions, running interaction functions, and terminating interaction functions, so as to provide a data interaction carrier for each functional structure.

[0127] S812. Based on subsequent algorithm optimization, replacement or functional change, replace the corresponding submodule model, add a new data interaction interface, and modify the internal interaction structure and corresponding parameter function.

[0128] In the embodiment of the present disclosure, the method for calculating the real-time detection distance of the target includes calculating the real-time detection distance of the target in combination with the standard radar detection distance solution equation. The real-time detection distance of the target can be accurately calculated by using the standard radar detection distance solution equation.

[0129] Combination Figure 1 As shown, in some embodiments, Fig. 9 As shown, a method for realizing a general excitation simulation system for an air defense system is provided, comprising:

[0130] S901. Construct a radar basic attribute setting module, which is configured to set radar parameters of early warning radar and fire control radar.

[0131] S902, constructing a target electromagnetic scattering feature library solution module, which is configured to solve the real-time RCS of the target according to the real-time position of the target, the real-time attitude of the target and the radar position.

[0132] S903: construct a real-time detection distance calculation module, which is configured to calculate the real-time detection distance of the target according to the radar parameters and the real-time RCS in combination with the standard radar detection distance calculation equation, and evaluate whether the target is discovered.

[0133] S904, constructing an electronic warfare interaction module based on the target being discovered, which is configured to use the approximate entropy and correlation principles to comprehensively evaluate the degree of compression of the radar detection distance by electronic interference based on the target electronic interference model signal output value, the target electronic interference model signal suppression method and radar parameters, and recalculate the evaluation through real-time detection distance to obtain an evaluation result.

[0134] S905, constructing an early warning radar module, which is configured to adaptively modify the original measurement matrix according to radar parameters, real-time detection distance and evaluation results, to complete coarse-precision target tracking and data fusion.

[0135] S906: construct a fire control radar module, which is configured to complete high-precision target tracking and data fusion and target trajectory prediction according to radar parameters, evaluation results and coarse-precision information.

[0136] S907. A decision-making and scheduling module is constructed based on the multi-target attack capability characteristics and workflow of the air defense system, and is configured to allocate attack control instructions, radar working modes, and radar scheduling conditions.

[0137] S908. Construct an interceptor missile module based on high-precision information, attack control instructions, three-stage guidance model, kinematic model and dynamic model to complete the simulation of target interception and strike capability.

[0138] S909, construct an air defense radar signal excitation module, which is configured to complete radar signal and waveform simulation according to radar parameters, radar working mode, and radar scheduling conditions.

[0139] S910, constructing a maneuvering module, including a maneuvering module supporting path planning, a uniform linear motion maneuvering module and a typical state maneuvering module, which are configured to output a real-time position to a real-time detection distance solving module and a target electromagnetic scattering feature library solving module.

[0140] S911. Complete encapsulation according to the system interface encapsulation specification and code writing specification, implement a unified scheduling interface based on initializing interaction functions, running interaction functions, and terminating interaction functions, so as to provide a data interaction carrier for each functional structure.

[0141] S912. Based on subsequent algorithm optimization, replacement or function change, replace the corresponding submodule model, add a new data interaction interface, and modify the internal interaction structure and corresponding parameter function.

[0142] In an embodiment of the present disclosure, a method for evaluating the degree of compression of the radar detection range by electronic interference includes using approximate entropy and correlation principle to comprehensively evaluate the degree of compression of the radar detection range by electronic interference. By using approximate entropy and correlation principle for comprehensive evaluation, the degree of compression of the radar detection range by electronic interference can be accurately evaluated.

[0143] Combination Figure 1 As shown, in some embodiments, Fig.10 As shown, a method for realizing a general excitation simulation system for an air defense system is provided, comprising:

[0144] S1001. Construct a radar basic attribute setting module, which is configured to set radar parameters of early warning radar and fire control radar.

[0145] S1002: construct a target electromagnetic scattering feature library solution module, which is configured to solve the real-time RCS of the target according to the real-time position of the target, the real-time attitude of the target and the radar position.

[0146] S1003, construct a real-time detection distance solution module, which is configured to calculate the real-time detection distance of the target according to radar parameters and real-time RCS in combination with a standard radar detection distance solution equation, and evaluate whether the target is discovered.

[0147] S1004. An electronic warfare interaction module is constructed based on the target being discovered. The module is configured to comprehensively evaluate the degree of compression of the radar detection distance by electronic interference based on the target electronic interference model signal output value, the target electronic interference model signal suppression method and radar parameters, using the approximate entropy and correlation principles, and recalculate the evaluation through real-time detection distance to obtain an evaluation result.

[0148] S1005. Construct an early warning radar module, which is configured to adaptively modify the original measurement matrix according to radar parameters, real-time detection distance and evaluation results, and realize coarse-precision target tracking and data fusion based on a nonlinear Kalman filter algorithm.

[0149] S1006, constructing a fire control radar module, which is configured to complete high-precision target tracking and data fusion and target trajectory prediction based on radar parameters, evaluation results and coarse-precision information.

[0150] S1007. A decision-making and scheduling module is constructed based on the multi-target attack capability characteristics and workflow of the air defense system, and is configured to allocate attack control instructions, radar working modes, and radar scheduling conditions.

[0151] S1008. Construct an interceptor missile module based on high-precision information, attack control instructions, three-stage guidance model, kinematic model and dynamic model to complete the simulation of target interception and strike capability.

[0152] S1009, construct an air defense radar signal excitation module, which is configured to complete radar signal and waveform simulation according to radar parameters, radar working mode, and radar scheduling conditions.

[0153] S1010, constructing a maneuvering module, including a maneuvering module supporting path planning, a uniform linear motion maneuvering module and a typical state maneuvering module, which are configured to output a real-time position to a real-time detection distance solving module and a target electromagnetic scattering feature library solving module.

[0154] S1011. Complete encapsulation according to the system interface encapsulation specification and code writing specification, implement a unified scheduling interface based on initializing interaction functions, running interaction functions, and terminating interaction functions, so as to provide a data interaction carrier for each functional structure.

[0155] S1012. Based on subsequent algorithm optimization, replacement or functional change, replace the corresponding submodule model, add a new data interaction interface, and modify the internal interaction structure and corresponding parameter function.

[0156] In the disclosed embodiment, the method for completing coarse-precision target tracking and data fusion includes implementing coarse-precision target tracking and data fusion based on a nonlinear Kalman filter algorithm. By using a nonlinear Kalman filter algorithm for calculation, coarse-precision target tracking and data fusion can be accurately obtained.

[0157] Combination Figure 1 As shown, in some embodiments, Fig.11 As shown, a method for realizing a general excitation simulation system for an air defense system is provided, comprising:

[0158] S1101. Construct a radar basic attribute setting module, which is configured to set radar parameters of early warning radar and fire control radar.

[0159] S1102, constructing a target electromagnetic scattering feature library solution module, which is configured to solve the real-time RCS of the target according to the real-time position of the target, the real-time attitude of the target and the radar position.

[0160] S1103, construct a real-time detection distance solution module, which is configured to calculate the real-time detection distance of the target according to the radar parameters and the real-time RCS in combination with the standard radar detection distance solution equation, and evaluate whether the target is discovered.

[0161] S1104. An electronic warfare interaction module is constructed based on the target being discovered. The module is configured to comprehensively evaluate the degree of compression of the radar detection distance by electronic interference based on the target electronic interference model signal output value, the target electronic interference model signal suppression method and radar parameters, using the approximate entropy and correlation principles, and recalculate the evaluation through real-time detection distance to obtain an evaluation result.

[0162] S1105. Construct an early warning radar module, which is configured to adaptively modify the original measurement matrix according to radar parameters, real-time detection distance and evaluation results, and realize coarse-precision target tracking and data fusion based on a nonlinear Kalman filter algorithm.

[0163] S1106. Construct a fire control radar module, which is configured to achieve high-precision target tracking and data fusion based on a nonlinear Kalman filter algorithm according to radar parameters, evaluation results and coarse-precision information, and predict target trajectory based on a target motion equation and a filtering algorithm.

[0164] S1107. A decision-making and scheduling module is constructed based on the multi-target attack capability characteristics and workflow of the air defense system, and is configured to allocate attack control instructions, radar working modes, and radar scheduling conditions.

[0165] S1108. Construct an interceptor missile module based on high-precision information, attack control instructions, three-stage guidance model, kinematic model and dynamic model to complete the simulation of target interception and strike capability.

[0166] S1109, constructing an air defense radar signal excitation module, which is configured to complete radar signal and waveform simulation according to radar parameters, radar working mode, and radar scheduling conditions.

[0167] S1110, constructing a maneuvering module, including a maneuvering module supporting path planning, a uniform linear motion maneuvering module and a typical state maneuvering module, which are configured to output a real-time position to a real-time detection distance solving module and a target electromagnetic scattering feature library solving module.

[0168] S1111. Complete encapsulation according to the system interface encapsulation specification and code writing specification, implement a unified scheduling interface based on initializing interaction functions, running interaction functions, and terminating interaction functions, so as to provide a data interaction carrier for each functional structure.

[0169] S1112. Based on subsequent algorithm optimization, replacement or functional change, replace the corresponding sub-module model, add a new data interaction interface, and modify the internal interaction structure and corresponding parameter function.

[0170] In the disclosed embodiment, the method for completing high-precision target tracking and data fusion and performing target trajectory prediction includes realizing high-precision target tracking and data fusion based on a nonlinear Kalman filter algorithm, and performing target trajectory prediction based on a target motion equation and a filtering algorithm. By using a nonlinear Kalman filter algorithm for calculation, high-precision target tracking and data fusion can be accurately obtained. By using a prediction based on a target motion equation and a filtering algorithm, the target trajectory can be accurately predicted.

[0171] The above description and the accompanying drawings fully illustrate the embodiments of the present disclosure so that those skilled in the art can practice them. Other embodiments may include structural, logical, electrical, process and other changes. The embodiments represent only possible changes. Unless explicitly required, separate components and functions are optional, and the order of operation may vary. The parts and features of some embodiments may be included in or replace the parts and features of other embodiments. Moreover, the words used in this application are only used to describe the embodiments and are not used to limit the claims. As used in the description of the embodiments and the claims, unless the context clearly indicates, the singular forms of "a", "an" and "the" are intended to include plural forms as well. Similarly, the term "and / or" as used in this application refers to any and all possible combinations of listings containing one or more associated ones. In addition, when used in the present application, the term "comprise" and its variants "comprises" and / or comprising refer to the presence of stated features, wholes, steps, operations, elements, and / or components, but do not exclude the presence or addition of one or more other features, wholes, steps, operations, elements, components and / or groups thereof. In the absence of further restrictions, the elements defined by the sentence "comprising a ..." do not exclude the presence of other identical elements in the process, method or device comprising the elements. In this article, each embodiment may focus on the differences from other embodiments, and the same and similar parts between the various embodiments may refer to each other. For the methods, products, etc. disclosed in the embodiments, if they correspond to the method part disclosed in the embodiments, then the relevant parts can refer to the description of the method part.

[0172] Those skilled in the art will appreciate that the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are performed in hardware or software may depend on the specific application and design constraints of the technical solution. The technicians may use different methods for each specific application to implement the described functions, but such implementations should not be considered to exceed the scope of the embodiments of the present disclosure. The technicians may clearly understand that, for the convenience and simplicity of description, the specific working processes of the systems, devices and units described above may refer to the corresponding processes in the aforementioned method embodiments, and will not be repeated here.

[0173] In the embodiments disclosed herein, the disclosed methods and products (including but not limited to devices, equipment, etc.) can be implemented in other ways. For example, the device embodiments described above are only schematic. For example, the division of the units can be only a logical function division. There may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. In addition, the coupling or direct coupling or communication connection between each other shown or discussed can be through some interfaces, indirect coupling or communication connection of devices or units, which can be electrical, mechanical or other forms. The units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to implement this embodiment. In addition, each functional unit in the embodiment of the present disclosure may be integrated in a processing unit, or each unit may exist physically alone, or two or more units may be integrated in one unit.

[0174] The flowchart and block diagram in the accompanying drawings show the possible architecture, function and operation of the system, method and computer program product according to the embodiment of the present disclosure. In this regard, each box in the flowchart or block diagram can represent a module, a program segment or a part of the code, and the module, the program segment or a part of the code contains one or more executable instructions for realizing the specified logical function. In some alternative implementations, the functions marked in the box can also occur in a different order from the order marked in the accompanying drawings. For example, two consecutive boxes can actually be executed substantially in parallel, and they can sometimes be executed in the opposite order, which can depend on the functions involved. In the description corresponding to the flowchart and the block diagram in the accompanying drawings, the operations or steps corresponding to different boxes can also occur in a different order from the order disclosed in the description, and sometimes there is no specific order between different operations or steps. For example, two consecutive operations or steps can actually be executed substantially in parallel, and they can sometimes be executed in the opposite order, which can depend on the functions involved. Each block in the block diagrams and / or flowcharts, and combinations of blocks in the block diagrams and / or flowcharts, may be implemented by a dedicated hardware-based system that performs the specified functions or actions, or may be implemented by a combination of dedicated hardware and computer instructions.

Claims

1. A method for realizing a general excitation simulation system for an air defense system, characterized in that: include: Construct a radar basic attribute setting module, which is configured to set radar parameters of early warning radar and fire control radar; A target electromagnetic scattering feature library solving module is constructed, which is configured to solve the target's real-time RCS according to the target's real-time position, target's real-time attitude and radar position; Build a real-time detection distance calculation module, which is configured to calculate the real-time detection distance of the target based on radar parameters and real-time RCS, and evaluate whether the target has been discovered; An electronic warfare interaction module is constructed based on the target being discovered, and is configured to evaluate the compression degree of electronic interference on the radar detection distance based on the target electronic interference model signal output value, the target electronic interference model signal suppression method and radar parameters, and recalculate the evaluation through real-time detection distance to obtain the evaluation result; Construct an early warning radar module, which is configured to adaptively modify the original measurement matrix based on radar parameters, real-time detection distance and evaluation results to complete coarse-precision target tracking and data fusion; Construct a fire control radar module, which is configured to complete high-precision target tracking and data fusion as well as target trajectory prediction based on radar parameters, evaluation results and coarse-precision information; A decision-making and scheduling module is built based on the multi-target attack capability characteristics and workflow of the air defense system, and is configured to allocate attack control instructions, radar working modes, and radar scheduling situations.

2. The method for realizing a universal excitation simulation system for an air defense system according to claim 1, characterized in that: Also includes: An interceptor missile module is constructed based on high-precision information, attack control instructions, three-stage guidance model, kinematic model and dynamic model to complete the simulation of target interception and strike capability.

3. The method for realizing a universal excitation simulation system for an air defense system according to claim 1, characterized in that: Also includes: Construct an air defense radar signal excitation module, which is configured to complete radar signal and waveform simulation according to radar parameters, radar working mode, and radar scheduling.

4. The method for realizing a universal excitation simulation system for an air defense system according to claim 1, characterized in that: Also includes: A maneuvering module is constructed, including a maneuvering module supporting path planning, a uniform linear motion maneuvering module and a typical state maneuvering module, which are configured to output a real-time position to a real-time detection distance solving module and a target electromagnetic scattering feature library solving module.

5. The method for realizing a universal excitation simulation system for an air defense system according to claim 1, characterized in that: Also includes: The encapsulation is completed in accordance with the system interface encapsulation specifications and code writing specifications, and a unified scheduling interface is implemented based on initializing the interaction function, running the interaction function, and terminating the interaction function to provide a data interaction carrier for each functional structure.

6. The method for realizing a universal excitation simulation system for an air defense system according to claim 1, characterized in that: Also includes: Replace the corresponding submodule model based on subsequent algorithm optimization, replacement or function change; and / or, Based on the data interaction interface, the internal interaction structure and corresponding parameter functions are modified.

7. A method for realizing a universal excitation simulation system for an air defense system according to any one of claims 1 to 6, characterized in that: Methods for calculating the real-time detection distance of a target include: The real-time detection distance of the target is calculated by combining the standard radar detection distance solution equation.

8. A method for realizing a universal excitation simulation system for an air defense system according to any one of claims 1 to 6, characterized in that: Methods for evaluating the extent to which electronic jamming reduces radar detection range include: The approximate entropy and correlation principles are used to comprehensively evaluate the compression degree of electronic interference on radar detection range.

9. A method for realizing a universal excitation simulation system for an air defense system according to any one of claims 1 to 6, characterized in that: Methods for achieving coarse-precision target tracking and data fusion include: Coarse-precision target tracking and data fusion are achieved based on nonlinear Kalman filtering algorithm.

10. A method for realizing a universal excitation simulation system for an air defense system according to any one of claims 1 to 6, characterized in that: Methods for achieving high-precision target tracking and data fusion and target trajectory prediction include: High-precision target tracking and data fusion are achieved based on the nonlinear Kalman filtering algorithm, and target trajectory prediction is performed based on the target motion equation and filtering algorithm.

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