Radar simulation method, device, terminal and medium considering cell type

Abstract

The application provides a radar simulation method and device considering unit types, a terminal and a medium, and the method comprises the following steps: constructing a radar antenna model, and dividing the radar antenna model into a plurality of units, wherein the units comprise four types; generating unit components corresponding to the units; filling the radar antenna model with the generated unit components according to the types of the unit components; solving the filled radar antenna model by using a DDM algorithm to obtain a simulation result. In the embodiment of the application, the radar antenna model is divided into a plurality of units, and the units comprise four types, so that corresponding unit components are generated, and then the filling of the radar antenna model is realized. Compared with the technical solution of modeling the overall structure of an antenna in the prior art, the same type of unit can be reused, the calculation amount is effectively reduced, the calculation efficiency and processing speed are improved, and the complex antenna array can be efficiently simulated and processed.

Description

Technical Field

[0001] This invention relates to the field of electromagnetic simulation, and more particularly to a radar simulation method, apparatus, terminal equipment, and computer-readable storage medium that takes into account unit types. Background Technology

[0002] With the miniaturization and integration of components, designing smaller and more compact antenna arrays has become an important development direction in the industry. Some experts have conducted research on the electromagnetic simulation of antenna arrays, mainly focusing on the theoretical level. The emergence of array antennas can be traced back to Brown's experiment. Brown placed two antennas in a row at a half-wavelength spacing and gave them equal-amplitude, out-of-phase excitations. He found that the directivity coefficient of the antenna was larger than that of a single antenna. MarConi, after assembling several antennas into an array at a certain spacing, found that the radiation field had a much larger directivity coefficient in a specific direction than in other directions. However, these studies have one thing in common: they all focus on arrays with a few simple structures and identical antenna elements. But for antennas with specific element types, such as the 77G radar antenna, it includes not only antenna element models but also radome element models, making it a model that combines antenna elements and radomes. When processing these specific types of antennas, existing technologies suffer from high computational load and low efficiency due to the complexity of the antenna model (which includes multiple element types) and the fact that existing technologies perform calculations on the overall structure. Furthermore, there are problems such as difficulty in efficiently processing antenna arrays with radomes. Summary of the Invention

[0003] This invention provides a radar simulation method, apparatus, terminal device, and computer-readable storage medium that consider unit types to address the technical problem of how to improve computational efficiency.

[0004] To address the aforementioned technical problems, embodiments of the present invention provide a radar simulation method considering element types, comprising:

[0005] A radar antenna model is constructed for the radar to be simulated, and the radar antenna model is divided into several units; wherein, the types of units include radome wheel shell outer shell and base plate unit, base plate and radome top unit, radome four corner and base plate unit, and antenna array base plate and radome top unit.

[0006] Generate the unit components corresponding to each unit;

[0007] Based on the type of each unit component, the generated unit components are used to fill in the radar antenna model. The DDM algorithm is then used to solve the filled radar antenna model to obtain simulation results.

[0008] As a preferred embodiment, the step of filling the radar antenna model with the generated unit components according to the type of each unit component specifically involves:

[0009] Using HFSS masks and preset periodic boundary conditions, and based on the type of each unit component, the missing positions in the radar antenna model are filled using the generated unit components and their corresponding position information.

[0010] As a preferred embodiment, before generating the unit components corresponding to each unit, the method further includes:

[0011] Obtain the location information of each unit; wherein, the location information of each unit includes the location map of the unassembled unit and the location information of the assembled unit.

[0012] As a preferred embodiment, the generation of the unit components corresponding to each unit specifically involves:

[0013] Establish the three-dimensional element model corresponding to each element;

[0014] Using the HFSS tool, set the corresponding boundary conditions and port excitation source locations for each 3D element model, and generate the corresponding element components.

[0015] Accordingly, embodiments of the present invention also provide a radar simulation device considering unit types, including a partitioning module, a component generation module, and a solution module; wherein,

[0016] The partitioning module is used to construct a radar antenna model for the radar to be simulated and to divide the radar antenna model into several units; wherein, the types of units include radome wheel shell outer shell and base plate unit, base plate and radome top unit, radome four corner and base plate unit, and antenna array base plate and radome top unit.

[0017] The component generation module is used to generate unit components corresponding to each unit;

[0018] The solution module is used to fill the radar antenna model with the generated unit components according to the type of each unit component, and then solve the filled radar antenna model using the DDM algorithm to obtain simulation results.

[0019] As a preferred embodiment, the solution module fills in the radar antenna model using the generated unit components according to the type of each unit component, specifically as follows:

[0020] The solution module fills in the missing positions in the radar antenna model using HFSS mask and preset periodic boundary conditions, based on the type of each unit component and the generated unit component and its corresponding position information.

[0021] As a preferred embodiment, the radar simulation device further includes a position acquisition module; wherein, the position acquisition module is used to acquire the position information of each unit before generating the unit components corresponding to each unit; wherein, the position information of each unit includes an unassembled unit position map and unit assembly position information.

[0022] As a preferred embodiment, the component generation module generates unit components corresponding to each unit, specifically as follows:

[0023] The component generation module establishes a three-dimensional unit model corresponding to each unit.

[0024] Using the HFSS tool, set the corresponding boundary conditions and port excitation source locations for each 3D element model, and generate the corresponding element components.

[0025] Accordingly, embodiments of the present invention also provide a terminal device, including a processor, a memory, and a computer program stored in the memory and configured to be executed by the processor, wherein the processor executes the computer program to implement the radar simulation method of the consideration unit type.

[0026] Accordingly, embodiments of the present invention also provide a computer-readable storage medium, the computer-readable storage medium including a stored computer program, wherein, when the computer program is executed, it controls the device where the computer-readable storage medium is located to execute the radar simulation method of the consideration unit type.

[0027] Compared with the prior art, the embodiments of the present invention have the following beneficial effects:

[0028] This invention provides a radar simulation method, apparatus, terminal device, and computer-readable storage medium considering unit types. The radar simulation method includes: constructing a radar antenna model for the radar to be simulated, and dividing the radar antenna model into several units; wherein the unit types include radome wheel shell outer shell and base plate units, base plate and radome top units, radome four corner and base plate units, and antenna array base plate and radome top units; generating unit components corresponding to each unit; filling the radar antenna model using the generated unit components according to the type of each unit component; and solving the filled radar antenna model using the DDM algorithm to obtain simulation results. By implementing the embodiments of this application, the radar antenna model is divided into several units, and the units include several types, thereby generating unit components corresponding to each unit, and thus realizing the filling of the radar antenna model. Compared with the existing technology of modeling the overall structure of the antenna, the same type of units can be reused (filled), which effectively reduces the amount of calculation, improves the calculation efficiency and processing speed, and can perform efficient simulation processing on antenna arrays with complex structures (such as those with radomes). In addition, the types of units include radome wheel shell and base plate units, base plate and radome top units, radome four corner and base plate units, and antenna array base plate and radome top units. The simulation solution does not require the antenna array to be exactly the same, which solves the limitations of the existing technology in calculating large antenna arrays through domain decomposition algorithms and the uniformity of antenna arrays. Attached Figure Description

[0029] Figure 1 : A flowchart illustrating one embodiment of the radar simulation method provided by the present invention, considering unit type.

[0030] Figure 2 : A schematic diagram of the structure of one embodiment of the radar antenna provided by the present invention.

[0031] Figure 3 : A schematic diagram illustrating the effect of one embodiment of the unassembled unit position diagram provided by the present invention.

[0032] Figure 4 : A schematic diagram illustrating the effect of one embodiment of the unit assembly position information provided by the present invention.

[0033] Figure 5 : A schematic diagram illustrating the effect of one embodiment of the antenna unit assembly provided by the present invention.

[0034] Figure 6 : A schematic diagram illustrating the effect of another embodiment of the antenna unit assembly provided by the present invention.

[0035] Figure 7: A schematic diagram illustrating the effect of one embodiment of the air zone component provided by the present invention.

[0036] Figure 8 : A schematic diagram illustrating the effect of another embodiment of the antenna unit assembly provided by the present invention.

[0037] Figure 9 : A schematic diagram showing the effect comparison of one embodiment of the simulation results provided by the present invention.

[0038] Figure 10 : A schematic diagram of the structure of an embodiment of the radar simulation device provided by the present invention considering unit type. Detailed Implementation

[0039] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0040] Example 1

[0041] Please refer to Figure 1 The present invention provides a radar simulation method considering unit type, comprising steps S1 to S3, wherein,

[0042] Step S1: Construct a radar antenna model for the radar to be simulated, and divide the radar antenna model into several units; wherein, the types of units include antenna radome wheel shell and base plate unit, base plate and antenna radome top unit, antenna radome four corner and base plate unit, and antenna array base plate and antenna radome top unit.

[0043] In this embodiment, please refer to Figure 2 Taking a 77G radar antenna as an example, this type of radar antenna includes antenna elements, a radome, and a substrate. While the antenna elements are clearly separated, the radome and substrate are integrated. Therefore, this embodiment divides the radar antenna model into several units, including four types: radome outer shell and substrate units, substrate and radome top units, radome corner and substrate units, and antenna array substrate and radome top units. This ensures the rationality of the division. However, it should be noted that during the division process, the antenna elements in the antenna array need to be completely divided to preserve the integrity of the antenna elements.

[0044] Furthermore, in the specific simulation application scenario of the 77G antenna array, after adding the radome, considering that the radome as a whole does not have obviously repetitive elements, and its four corners are symmetrical relative to the origin, but different from other parts, and its four edges are symmetrical, this embodiment takes the center of the radome as the origin and divides the four edges equally. Each edge can be divided into 4 parts (the specific number of parts can be determined according to the actual application scenario, such as considering the hardware resources for solving the problem). As for the middle part, for example, when the entire radome is cut, it needs to have a common part with the antenna elements, so as to avoid the problem of the antenna elements being cut off and affecting the integrity of the antenna elements.

[0045] Then, the location information of each unit is obtained; wherein, the location information of each unit includes an unassembled unit location map (refer to...). Figure 3 ) and unit assembly location information (refer to Figure 4 This prepares for the subsequent step S3 to fill in the radar antenna model.

[0046] Step S2: Generate the unit components corresponding to each unit.

[0047] In this embodiment, a three-dimensional unit model corresponding to each unit is first established, which can be referred to as... Figures 5 to 8 ,in Figure 7 Corresponding air region, Figure 6 It includes a substrate and a top unit of the radome. The antenna array substrate and the top unit of the radome.

[0048] Then, using the HFSS tool, the corresponding boundary conditions and port excitation source positions are set for each 3D element model, thereby generating the corresponding element components.

[0049] Step S3: Based on the type of each unit component, the generated unit components are used to fill the radar antenna model. The DDM algorithm is then used to solve the filled radar antenna model to obtain simulation results.

[0050] Furthermore, the step of filling the radar antenna model with the generated unit components according to their corresponding types specifically involves:

[0051] Using an HFSS mask and preset periodic boundary conditions, and based on the type of each unit component, the missing positions in the radar antenna model are filled using the generated unit components and their corresponding position information. For example, this radar antenna model mainly includes... Figures 5 to 8The three-dimensional unit model corresponds to four types of unit components. These four types of unit components are then extended to fill the radar antenna model, enabling mesh reuse of the same unit. This effectively reduces the computational load and improves computational efficiency. Figure 5 , Figure 6 and Figure 8 The three types of antenna element components are mixed in the same array, which improves the accuracy and precision of the simulation and solves the limitations of existing technologies in calculating large antenna arrays through domain decomposition algorithms and the singleness of antenna arrays.

[0052] In addition, please refer to the simulation results. Figure 9 This embodiment also uses component domain decomposition technology to compare the radar simulation method of this embodiment (green) with the simulation method of the prior art (red):

[0053] Simulation time Hardware resources consumed All-antenna array method half an hour 15G Component antenna array method 3 hours 90G

[0054] Depend on Figure 9 As can be seen, the simulation results of the radar simulation method in this embodiment are basically the same as those of the simulation methods in the prior art. However, this embodiment effectively shortens the simulation time and reduces the hardware resource consumption.

[0055] Accordingly, refer to Figure 10 This invention also provides a radar simulation device considering unit types, including a partitioning module 101, a component generation module 102, and a solution module 103; wherein,

[0056] The partitioning module 101 is used to construct a radar antenna model for the radar to be simulated and to divide the radar antenna model into several units; wherein, the types of units include radome wheel shell outer shell and base plate unit, base plate and radome top unit, radome four corner and base plate unit, and antenna array base plate and radome top unit.

[0057] The component generation module 102 is used to generate unit components corresponding to each unit;

[0058] The solution module 103 is used to fill the radar antenna model with the generated unit components according to the type of each unit component, and to solve the filled radar antenna model with the DDM algorithm to obtain the simulation results.

[0059] In a preferred embodiment, the solving module 103 fills the radar antenna model using the generated unit components according to the type of each unit component, specifically as follows:

[0060] The solution module 103 fills the missing positions in the radar antenna model using the HFSS mask and preset periodic boundary conditions, based on the type of each unit component and the generated unit components and their corresponding position information.

[0061] In a preferred embodiment, the radar simulation device further includes a position acquisition module; wherein, the position acquisition module is used to acquire the position information of each unit before generating the unit components corresponding to each unit; wherein, the position information of each unit includes an unassembled unit position map and unit assembly position information.

[0062] In one preferred embodiment, the component generation module 102 generates unit components corresponding to each unit, specifically;

[0063] The component generation module 102 establishes a three-dimensional unit model corresponding to each unit;

[0064] Using the HFSS tool, set the corresponding boundary conditions and port excitation source locations for each 3D element model, and generate the corresponding element components.

[0065] Accordingly, embodiments of the present invention also provide a terminal device, including a processor, a memory, and a computer program stored in the memory and configured to be executed by the processor, wherein the processor executes the computer program to implement the radar simulation method of the consideration unit type.

[0066] The processor can be a Central Processing Unit (CPU), or other general-purpose processors, digital signal processors (DSPs), application-specific integrated circuits (ASICs), field-programmable gate arrays (FPGAs), or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. The general-purpose processor can be a microprocessor or any conventional processor. The processor is the control center of the terminal, connecting various parts of the terminal via various interfaces and lines.

[0067] The memory can be used to store the computer program. The processor implements various functions of the terminal by running or executing the computer program stored in the memory and calling data stored in the memory. The memory may mainly include a program storage area and a data storage area. The program storage area may store the operating system, at least one application program required for a function (such as sound playback function, image playback function, etc.), etc.; the data storage area may store data created according to the use of the mobile phone (such as audio data, phonebook, etc.). In addition, the memory may include high-speed random access memory, and may also include non-volatile memory, such as hard disk, memory, plug-in hard disk, smart media card (SMC), secure digital (SD) card, flash card, at least one disk storage device, flash memory device, or other volatile solid-state storage device.

[0068] Accordingly, embodiments of the present invention also provide a computer-readable storage medium, the computer-readable storage medium including a stored computer program, wherein, when the computer program is executed, it controls the device where the computer-readable storage medium is located to execute the radar simulation method of the consideration unit type.

[0069] The integrated modules of the radar simulation device considering unit types, if implemented as software functional units and sold or used as independent products, can be stored in a computer-readable storage medium. Based on this understanding, all or part of the processes in the above embodiments of the present invention can also be implemented by a computer program instructing related hardware. The computer program can be stored in a computer-readable storage medium, and when executed by a processor, it can implement the steps of the various method embodiments described above. The computer program includes computer program code, which can be in the form of source code, object code, executable files, or certain intermediate forms. The computer-readable medium can include: any entity or device capable of carrying the computer program code, a recording medium, a USB flash drive, a portable hard drive, a magnetic disk, an optical disk, a computer memory, a read-only memory (ROM), a random access memory (RAM), an electrical carrier signal, a telecommunication signal, and a software distribution medium, etc.

[0070] Compared with the prior art, the embodiments of the present invention have the following beneficial effects:

[0071] This invention provides a radar simulation method, apparatus, terminal device, and computer-readable storage medium considering unit types. The radar simulation method includes: constructing a radar antenna model for the radar to be simulated, and dividing the radar antenna model into several units; wherein the unit types include radome wheel shell outer shell and base plate units, base plate and radome top units, radome four corner and base plate units, and antenna array base plate and radome top units; generating unit components corresponding to each unit; filling the radar antenna model using the generated unit components according to the type of each unit component; and solving the filled radar antenna model using the DDM algorithm to obtain simulation results. By implementing the embodiments of this application, the radar antenna model is divided into several units, and the units include several types, thereby generating unit components corresponding to each unit, and thus realizing the filling of the radar antenna model. Compared with the existing technology of modeling the overall structure of the antenna, the same type of units can be reused (filled), which effectively reduces the amount of calculation, improves the calculation efficiency and processing speed, and can perform efficient simulation processing on antenna arrays with complex structures (such as those with radomes). In addition, the types of units include radome wheel shell and base plate units, base plate and radome top units, radome four corner and base plate units, and antenna array base plate and radome top units. The simulation solution does not require the antenna array to be exactly the same, which solves the limitations of the existing technology in calculating large antenna arrays through domain decomposition algorithms and the uniformity of antenna arrays.

[0072] The specific embodiments described above further illustrate the purpose, technical solution, and beneficial effects of the present invention. It should be understood that the above descriptions are merely specific embodiments of the present invention and are not intended to limit the scope of protection of the present invention. In particular, it should be noted that any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention for those skilled in the art.

Claims

1. A radar simulation method considering element types, characterized in that, include: A radar antenna model is constructed for the radar to be simulated, and the radar antenna model is divided into several units by component domain decomposition technology; the types of units include radome wheel shell and base plate unit, base plate and radome top unit, radome four corner and base plate unit, and antenna array base plate and radome top unit. Generate the unit components corresponding to each unit; Based on the type of each unit component, the generated unit components are used to fill in the radar antenna model. The DDM algorithm is then used to solve the filled radar antenna model to obtain simulation results. The step of filling the radar antenna model with the generated unit components according to their corresponding types is as follows: Using HFSS mask and preset periodic boundary conditions, based on the type of each unit component, and utilizing the generated unit components and their corresponding position information, the missing positions in the radar antenna model are filled. Before generating the unit components corresponding to each unit, the method further includes: Obtain the location information of each unit; wherein, the location information of each unit includes an unassembled unit location map and unit assembly location information; The generation of the unit components corresponding to each unit is specifically as follows: Establish the three-dimensional element model corresponding to each element; Using the HFSS tool, set the corresponding boundary conditions and port excitation source locations for each 3D element model, and generate the corresponding element components.

2. A radar simulation device considering unit types, characterized in that, It includes a partitioning module, a component generation module, and a solution module; among which, The partitioning module is used to construct a radar antenna model for the radar to be simulated, and to divide the radar antenna model into several units through component domain decomposition technology; wherein, the types of units include radome wheel shell outer shell and base plate unit, base plate and radome top unit, radome four corner and base plate unit, and antenna array base plate and radome top unit. The component generation module is used to generate unit components corresponding to each unit; The solution module is used to fill the radar antenna model with the generated unit components according to the type of each unit component, and then solve the filled radar antenna model using the DDM algorithm to obtain simulation results. The solution module fills in the radar antenna model using the generated unit components according to the type of each unit component, specifically as follows: The solution module fills in the missing positions in the radar antenna model by using the HFSS mask and preset periodic boundary conditions, based on the type of each unit component and the generated unit components and their corresponding position information. The radar simulation device further includes a position acquisition module; wherein, the position acquisition module is used to acquire the position information of each unit before generating the unit components corresponding to each unit; wherein, the position information of each unit includes an unassembled unit position map and unit assembly position information; The component generation module generates the unit components corresponding to each unit, specifically as follows: The component generation module establishes a three-dimensional unit model corresponding to each unit. Using the HFSS tool, set the corresponding boundary conditions and port excitation source locations for each 3D element model, and generate the corresponding element components.

3. A terminal device, characterized in that, It includes a processor, a memory, and a computer program stored in the memory and configured to be executed by the processor, wherein the processor, when executing the computer program, implements the radar simulation method considering the unit type as described in claim 1.

4. A computer-readable storage medium, characterized in that, The computer-readable storage medium includes a stored computer program, wherein, when the computer program is executed, it controls the device on which the computer-readable storage medium is located to perform the radar simulation method considering the cell type as described in claim 1.

Images