Timing interference system and method
By designing a timing interference system including multiple subsystems, the timing anti-interference and time application safety performance of time-use equipment is improved, and the problem of lack of clever timing interference methods in the prior art is solved.
Patent Information
- Application Number
- CN202411970763.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-04-15
AI Technical Summary
The existing timing interference methods lack a clever timing interference means for multi-time source fusion support, making it difficult to support comprehensive testing of time-use equipment anti-interference and time-use safety performance.
A timing interference system is designed, including a target tracking subsystem, a signal detection subsystem, a strategy generation subsystem, a timing computing subsystem, a wireless transmission subsystem and multiple collaborative interference subsystems. Through distributed multi-point real-time data interaction and information interaction, the timing interference signals in complex environments are simulated and generated.
It has achieved the improvement of the anti-interference and time application safety performance of time-using equipment, provided a test basis for comprehensive testing, and solved the problem of clever timing interference in which traditional timing interference methods are difficult to support the integration of multiple time sources.
Smart Images
Figure CN119828169A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of time signal processing, and in particular to a timing interference system and a control method thereof. Background Art
[0002] Time is a basic element in all aspects of information acquisition, transmission, fusion and application. Accurate and reliable acquisition of time information is a prerequisite for the stable operation of important national fields such as electricity, transportation, finance, communications and national defense. However, the commonly used time acquisition methods are easily subject to malicious interference due to their open signal systems, so that the equipment cannot be properly timed or the time is tampered with during use. At present, common timing interference methods are fixed-direction high-power suppression or clock difference deception against GNSS timing terminals. There is a lack of smart timing interference means for multi-time source fusion support, which makes it difficult to support comprehensive testing and capacity improvement of the timing anti-interference performance and time application security performance of timing equipment. Summary of the invention
[0003] The present invention proposes a timing interference system and a control method thereof, which are used to solve the problem that the traditional timing interference method lacks a smart timing interference means for supporting the fusion of multiple time sources, resulting in difficulty in supporting comprehensive testing of the timing anti-interference and time application security performance of timing equipment.
[0004] The present invention provides the following technical solutions:
[0005] In a first aspect, the present specification provides a timing interference system, including a target tracking subsystem, a signal detection subsystem, a strategy generation subsystem, a timing measurement subsystem, a wireless transmission subsystem and a plurality of coordinated interference subsystems, wherein the timing measurement subsystem and the coordinated interference subsystem perform distributed multi-point real-time data interaction through the wireless transmission subsystem, and the plurality of coordinated interference subsystems perform information interaction through the wireless transmission subsystem, wherein:
[0006] The target tracking subsystem is used to detect, track and locate the timing interference target in real time, obtain the accurate position of the timing interference target, and send the accurate position of the timing interference target to the timing measurement subsystem and the coordinated interference subsystem;
[0007] The signal detection subsystem is used to monitor the timing signal in the environment where the timing interference target is located in real time, obtain the effective time source in the target area, and send the effective time source in the target area to the strategy generation subsystem;
[0008] The strategy generation subsystem is used to receive the effective time source in the target area, obtain the timing interference strategy according to the effective time source in the target area, and send the timing interference strategy to the timing measurement subsystem;
[0009] The timing measurement subsystem is used to receive the accurate position of the timing interference target and the timing interference strategy, obtain a timing interference signal parameter set according to the accurate position of the timing interference target and the timing interference strategy, and send the timing interference signal parameter set to the collaborative interference subsystem;
[0010] The collaborative interference subsystem is used to receive the accurate position of the timing interference target and the timing interference signal parameter set, obtain a distributed collaborative timing interference signal according to the accurate position of the timing interference target and the timing interference signal parameter set, and broadcast the distributed collaborative timing interference signal.
[0011] In a second aspect, the present invention provides a method for controlling a timing interference system, comprising:
[0012] The target tracking subsystem is used to detect, track and locate the timing interference target in real time, obtain the accurate position of the timing interference target, and send the accurate position of the timing interference target to the timing measurement subsystem and the coordinated interference subsystem;
[0013] The signal detection subsystem is used to monitor the timing signal in the environment where the timing interference target is located in real time, obtain the effective time source in the target area, and send the effective time source in the target area to the strategy generation subsystem;
[0014] The strategy generation subsystem is used to receive the effective time source in the target area, obtain the timing interference strategy according to the effective time source in the target area, and send the timing interference strategy to the timing measurement subsystem;
[0015] The timing measurement subsystem is used to receive the accurate position of the timing interference target and the timing interference strategy, obtain a timing interference signal parameter set according to the accurate position of the timing interference target and the timing interference strategy, and send the timing interference signal parameter set to the collaborative interference subsystem;
[0016] The collaborative interference subsystem is used to receive the accurate position of the timing interference target and the timing interference signal parameter set, obtain a distributed collaborative timing interference signal according to the accurate position of the timing interference target and the timing interference signal parameter set, and broadcast the distributed collaborative timing interference signal.
[0017] The timing interference system and control method provided in the embodiment of the present invention simulate the generation of timing interference signals in complex environments through self-organizing and flexible reconstruction, providing a test basis for improving the timing anti-interference and time application security performance of the target timing equipment, and solving the problem that the traditional timing interference method lacks a smart timing interference method that supports the fusion of multiple time sources, making it difficult to support comprehensive testing of the timing anti-interference and time application security performance of the timing equipment. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a flowchart of a timing interference system control method in an embodiment of the present invention.
[0019] Other features and advantages of the present invention will be described in the following description, and partly become apparent from the description, or be understood by practicing the present invention. The purpose and other advantages of the present invention can be realized and obtained by the structures particularly pointed out in the written description, claims, and drawings. DETAILED DESCRIPTION
[0020] In order to make the purpose, technical solutions and advantages of this specification more clear, the technical solutions of this specification will be clearly and completely described below in combination with the specific embodiments of this specification and the corresponding drawings. Obviously, the described embodiments are only part of the embodiments of this specification, not all of them. Based on the embodiments in this specification, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this specification.
[0021] As described herein, the term “including” and various variations thereof may be understood as open-ended terms meaning “including but not limited to,” and the term “one embodiment” may be understood as “at least one embodiment.”
[0022] The inventors have discovered that existing timing interference systems lack agile timing interference means for supporting the integration of multiple time sources, and are unable to support comprehensive testing of the timing anti-interference and time application security performance of timing equipment. In view of this, in an embodiment of the present invention, by generating distributed collaborative timing interference signals, it is possible to effectively simulate flexible reconstructed multi-point collaborative timing interference signals for multi-source timing interference situations.
[0023] Embodiment 1
[0024] Figure 1The schematic diagram of the structure of the timing interference system of an embodiment of the present application is schematically shown, including a target tracking subsystem, a signal detection subsystem, a strategy generation subsystem, a timing measurement subsystem, a wireless transmission subsystem and a plurality of coordinated interference subsystems, wherein the timing measurement subsystem and the coordinated interference subsystem perform distributed multi-point real-time data exchange through the wireless transmission subsystem, and the plurality of coordinated interference subsystems perform information exchange through the wireless transmission subsystem, wherein:
[0025] The target tracking subsystem is used to detect, track and locate the timing interference target in real time, obtain the accurate position of the timing interference target, and send the accurate position of the timing interference target to the timing measurement subsystem and the coordinated interference subsystem;
[0026] The signal detection subsystem is used to monitor the timing signal in the environment where the timing interference target is located in real time, obtain the effective time source in the target area, and send the effective time source in the target area to the strategy generation subsystem;
[0027] The strategy generation subsystem is used to receive the effective time source in the target area, obtain the timing interference strategy according to the effective time source in the target area, and send the timing interference strategy to the timing measurement subsystem;
[0028] The timing measurement subsystem is used to receive the accurate position of the timing interference target and the timing interference strategy, obtain a timing interference signal parameter set according to the accurate position of the timing interference target and the timing interference strategy, and send the timing interference signal parameter set to the collaborative interference subsystem;
[0029] The collaborative interference subsystem is used to receive the accurate position of the timing interference target and the timing interference signal parameter set, obtain a distributed collaborative timing interference signal according to the accurate position of the timing interference target and the timing interference signal parameter set, and broadcast the distributed collaborative timing interference signal.
[0030] During specific implementation, the accurate position of the timing interference target is calculated according to the following formula:
[0031] L obj ={ox,oy,oz}=Loc(dt,obj) (1)
[0032] Among them, L obj is the vector of the exact position of the timing interference target, ox is the longitude of the timing interference target, oy is the latitude of the timing interference target, oz is the height of the timing interference target, Loc() is the positioning function of the timing interference target, dt is the time corresponding to the position of the locking timing interference target, and obj is the label of the timing interference target.
[0033] In specific implementation, the effective time source in the target area is calculated according to the following formula:
[0034]
[0035] Wherein, T is the identification vector of the effective time source in the target area; k is the category number of the timing signal in the target area, k=1 is the satellite timing signal, k=2 is the long-wave timing signal, k=3 is the short-wave timing signal, and k=4 is other timing signals; t k It is a sign of whether the k-type timing signal exists in the target area, t k =1 means there are k types of timing signals in the target area, t k = 0 means that there is no k-type timing signal in the target area; tim() is the timing signal detection function in the target area; s k is the k-type timing signal in the target area; pow k is the strength of k-type timing signals in the target area; L obj is the position vector of the timing interference target.
[0036] During specific implementation, the timing interference strategy is calculated according to the following formula:
[0037] ST={t int , t sht}=prd(T)=prd({t k}) (3)
[0038] Wherein, ST is the identification vector of the timing interference strategy; t int is the time disturbance mode in the timing interference, t int =0 is broadband blocking interference mode, t int =1 is the frequency deception interference mode; t sht is the time shift mode in timing interference, t sht =0 is the time-shift mode of timing jump, t sht =1 is the clock error slow deviation time shift mode; prd() is the timing interference strategy generation function, when t k＝4 = 1, there is t int = 0 and t sht =0, when t k＝4 = 0, there is t int =1 and t sht =1; T is the identification vector of the effective time source in the target area; k is the category number of the timing signal in the target area, k=1 is the satellite timing signal, kk=2 is the long-wave timing signal, k=3 is the short-wave timing signal, and k=4 is other timing signals; t k It is a sign of whether the k-type timing signal exists in the target area, t k=1 means there are k types of timing signals in the target area, t k =0 means there is no type k timing signal in the target area.
[0039] During specific implementation, the timing interference signal parameter set is calculated according to the following formula:
[0040] PI = {tcc k , pwb k ,rtl k , pds k , rcs k}=cpa(s k ,ST,L obj ) (4)
[0041] Wherein, PI is the parameter set vector of the timing interference signal, k is the category number of the timing signal in the target area, k=1 is the satellite timing signal, k=2 is the long-wave timing signal, k=3 is the short-wave timing signal, and k=4 is other timing signals; tcc k is the synchronization correction for type k timing signal; pwb k is the broadband blocking superposition power for type k timing signals; rtl k is the timing jump amplitude for type k timing signal; pds k It is the frequency deception superposition power for the k-type timing signal; rcs k is the clock error slowing rate for type k timing signal; cpa() is the parameter calculation function of the timing interference signal: s k are the k types of timing signals in the target area; ST is the identification vector of the timing interference strategy; L obj is the position vector of the timing interference target.
[0042] In specific implementation, for k-type timing signals, the broadband blocking superposition power and the timing jump amplitude are calculated according to the following formula:
[0043] When ST={0,0},
[0044] If t k＝1 =1, then pwb k＝1 =60dB, rtl k＝1 =1s;
[0045] If t k＝2 =1, then pwb k＝2 =100dB, rtl k＝2 =1s;
[0046] If t k＝3 =1, then pwb k＝3 =100dB, rtl k＝3 =1s;
[0047] If t k＝4 =1, then pwb k＝4 =100dB, rtl k＝4 =1s;
[0048] When ST = {1, 1},
[0049] If t k＝1 =1, then pds k＝1 =10dB, rcs k＝1 =100ns / s;
[0050] If t k＝2 =1, then pds k＝2 =20dB, rcs k＝2 =10us / s;
[0051] If t k＝3 =1, then pds k＝3 =20dB, rcs k＝3 =10ms / s;
[0052] Among them, t k It is a sign of whether the type k timing signal exists in the target area, pwb k is the broadband blocking superposition power for type k timing signals, rtl k is the timing jump amplitude for type k timing signal.
[0053] In one embodiment, the timing interference system further includes a timing anti-interference performance test subsystem, wherein:
[0054] The timing anti-interference performance test subsystem is used to test the timing continuity and timing accuracy of the timing interference target to obtain the timing anti-interference performance test result; and
[0055] The timing anti-interference performance test subsystem is also used to replace the timing interference target, test the timing continuity and timing accuracy of the replaced timing interference target, and obtain the timing anti-interference performance test results of different targets.
[0056] Embodiment 2
[0057] Figure 1 The structural diagram of the timing interference system of one embodiment of the present application is schematically shown, including: a target tracking subsystem, a signal detection subsystem, a strategy generation subsystem, a timing measurement subsystem, a wireless transmission subsystem and a collaborative interference subsystem.
[0058] in:
[0059] The target tracking subsystem detects, tracks and locates the timing interference target in real time and locks the exact position of the timing interference target.
[0060] The signal detection subsystem monitors the timing signals in the environment where the timing interference target is located in real time and detects the effective time source in the target area.
[0061] The strategy generation subsystem generates or updates the timing interference strategy in real time according to the effective time source in the target area.
[0062] The timing measurement subsystem calculates the parameter set of the timing interference signal in real time according to the timing interference strategy and the position of the timing interference target.
[0063] The wireless transmission subsystem uses wireless transmission to complete distributed multi-point real-time data interaction between the timing measurement subsystem and the collaborative interference subsystem.
[0064] The cooperative interference subsystem generates and broadcasts a distributed cooperative timing interference signal in real time according to the parameter set of the timing interference signal and the position of the timing interference target.
[0065] In one embodiment, the target tracking subsystem is used to lock the exact position of the timing interference target in accordance with the following steps: the target tracking subsystem is used to detect, track and locate the timing interference target in real time through multi-point detection and trajectory calculation to lock the exact position of the timing interference target.
[0066] The position of the timing jamming target is expressed as:
[0067] L obj ={ox,oy,oz}=Loc(dt,obj) (5)
[0068] in:
[0069] L obj ——The position vector of the timing jamming target;
[0070] ox – the longitude of the position of the timing interference target;
[0071] oy – the latitude of the location of the timing jammer target;
[0072] oz – the height of the position of the timing interference target;
[0073] Loc()——Location function of timing interference target;
[0074] dt——The time corresponding to the position of the locked timing interference target;
[0075] obj——The label of the timing interference target.
[0076] In one embodiment, the signal detection subsystem is used to detect valid time sources in the target area according to the following steps: the signal detection subsystem is used to monitor the timing signal in the environment where the timing interference target is located in real time through multi-source reception and timing calculation, and detect the valid time source in the target area.
[0077] The valid time source in the target area is expressed as:
[0078] T={t k}=∑ k tim(s k , pow k , L obj ) (6)
[0079] in:
[0080] T——identification vector of valid time sources in the target area;
[0081] k——category number of the timing signal in the target area. k=1 is satellite timing signal, k=2 is long-wave timing signal, k=3 is short-wave timing signal, and k=4 is other timing signal.
[0082] t k ——A flag indicating whether the type k timing signal exists in the target area: t k =1 means there are k types of timing signals in the target area, t k = 0: there is no type k timing signal in the target area;
[0083] tim()——timing signal detection function in the target area;
[0084] s k ——k types of timing signals within the target area;
[0085] pow k ——The strength of the k-type timing signal in the target area;
[0086] L obj ——The position vector of the timing interference target.
[0087] In one embodiment, the following steps are performed to utilize the policy generation subsystem to generate or update the timing interference policy in real time: utilize the policy generation subsystem to generate or update the timing interference policy in real time based on the valid time source in the target area through timing analysis and policy generation.
[0088] The timing interference strategy is expressed as:
[0089] ST={t int , t sht}=prd(T)=prd({t k}) (7)
[0090] in:
[0091] ST——identification vector of timing jamming strategy;
[0092] t int ——Time disturbance mode in timing interference: t int =0 is broadband blocking interference mode, t int =1 is the frequency deception interference mode;
[0093] t sht ——Time shift mode in timing interference: t sht =0 is the time-shift mode of timing jump, t sht =1 means the clock error slow deviation time shift mode;
[0094] prd()——timing interference strategy generation function: when t k＝4 = 1, there is t int = 0 and t sht =0, when t k＝4 = 0, there is t int =1 and t sht =1;
[0095] T——identification vector of valid time sources in the target area;
[0096] k——category number of the timing signal in the target area: k=1 is satellite timing signal, k=2 is long-wave timing signal, k=3 is short-wave timing signal, k=4 is other timing signal;
[0097] t k ——A flag indicating whether the type k timing signal exists in the target area: t k =1 means there are k types of timing signals in the target area, t k =0 means there is no type k timing signal in the target area.
[0098] In one embodiment, the following steps are performed to utilize the timing measurement subsystem to calculate the parameter set of the timing interference signal in real time: utilize the timing measurement subsystem to calculate the parameter set of the timing interference signal in real time according to the timing interference strategy and the position of the timing interference target through signal synchronization and time-space calculation.
[0099] The parameter set of the timing interference signal is expressed as:
[0100] PI = {tcc k , pwb k ,rtl k , pds k , rcs k}=cpa(s k,ST,L obj ) (8)
[0101] in:
[0102] PI – parameter set vector of timing interference signal;
[0103] k——category number of the timing signal in the target area: k=1 is satellite timing signal, k=2 is long-wave timing signal, k=3 is short-wave timing signal, k=4 is other timing signal;
[0104] tcc k ——Synchronization correction for type k timing signals;
[0105] pwb k ——Broadband blocking superposition power for type k timing signals;
[0106] rtl k ——The timing jump amplitude for type k timing signal;
[0107] pds k ——Targeting the frequency deception superposition power of type k timing signals;
[0108] rcs k ——The clock error slowing rate for type k timing signals;
[0109] cpa()——Parameter calculation function of timing interference signal: when
[0110] When ST={0,0},
[0111] If t k＝1 =1, then pwb k＝1 =60dB, rtl k＝1 =1s,
[0112] If t k＝2 =1, then pwb k＝2 =100dB, rtl k＝2 =1s,
[0113] If t k＝3 =1, then pwb k＝3 =100dB, rtl k＝3 =1s,
[0114] If t k＝4 =1, then pwb k＝4 =100dB, rtl k＝4 =1s,
[0115] When ST = {1, 1}, we have
[0116] If tk＝1 =1, then pds k＝1 =10dB, rcs k＝1 =100ns / s,
[0117] If t k＝2 =1, then pds k＝2 =20dB, rcs k＝2 =10us / s,
[0118] If t k＝3 =1, then pds k＝3 =20dB, rcs k＝3 =10ms / s;
[0119] s k ——k types of timing signals within the target area;
[0120] ST——identification vector of timing jamming strategy;
[0121] L obj ——The position vector of the timing interference target.
[0122] In one embodiment, the wireless transmission subsystem is used to complete distributed multi-point real-time data interaction according to the following steps: the wireless transmission subsystem is used to complete distributed multi-point real-time data interaction between the timing measurement subsystem and the collaborative interference subsystem through wireless transmission and wireless reception.
[0123] The timing measurement subsystem sends the parameter set of the timing interference signal generated by itself to the coordinated interference subsystem through wireless transmission; the coordinated interference subsystem completes its internal coordinated information interaction through wireless transmission.
[0124] In one embodiment, the coordinated interference subsystem is used to generate and broadcast a distributed coordinated timing interference signal in real time according to the following steps: the coordinated interference subsystem is used to generate and broadcast a distributed coordinated timing interference signal in real time through multi-point interference and coordinated control according to the parameter set of the timing interference signal and the position of the timing interference target.
[0125] The timing interference signal of distributed coordination is expressed as:
[0126]
[0127] in:
[0128] CS – a collection of distributed coordinated timing jammers;
[0129] SD j ——the jth component of the distributed coordinated timing interference signal;
[0130] j——the serial number of the component of the distributed coordinated timing interference signal;
[0131] n——the number of components of the distributed coordinated timing interference signal: typically, n=8;
[0132] sig()——Generation function of distributed coordinated timing interference signal;
[0133] apw - upper limit of the random additional power of the distributed coordinated timing interference signal: typically, apw = 40dB;
[0134] randm(n,j)——Take the value of the jth number from the random number sequence from 1 to n;
[0135] PI – parameter set vector of timing interference signal;
[0136] L obj ——The position vector of the timing interference target.
[0137] In one embodiment, a distributed collaborative timing interference signal is generated according to the following steps to test the timing anti-interference performance of the timing interference target: a distributed collaborative timing interference signal is generated in real time according to the aforementioned method and broadcast to the timing interference target, and the timing anti-interference performance of the timing interference target is tested by observing the timing continuity and timing accuracy of the timing interference target.
[0138] Detect effective time sources in the target area in real time, update the timing interference strategy and parameter set of the timing interference signal, and repeatedly test the timing anti-interference performance of the timing interference target.
[0139] Replace the timing interference target and repeat the above steps to test the timing anti-interference performance of different timing interference targets.
[0140] The above-mentioned embodiment constructs a timing interference system, which is a smart timing interference method supported by the fusion of multiple time sources. By constructing a distributed detection and interference integrated timing interference system, a distributed coordinated timing interference signal is generated. It can effectively simulate the flexibly reconstructed multi-point coordinated timing interference signal used in multi-source timing interference situations, and provide a testing basis for improving the strong anti-interference performance of the timing equipment.
[0141] Embodiment 3
[0142] Based on the same technical concept, an embodiment of the present invention also provides a method for controlling a timing interference system. Since the principle of solving the problem by the above method is similar to that of the timing interference system, the implementation of the above method can refer to the implementation of the system, and the repeated parts will not be repeated.
[0143] like Figure 1As shown, an embodiment of the present invention provides a method for controlling a timing interference system, the method being executed by a processor, comprising the following steps:
[0144] Step 1: The target tracking subsystem is used to detect, track and locate the timing interference target in real time, obtain the accurate position of the timing interference target, and send the accurate position of the timing interference target to the timing measurement subsystem and the collaborative interference subsystem.
[0145] Step 2: The signal detection subsystem is used to monitor the timing signal in the environment where the timing interference target is located in real time, obtain the effective time source in the target area, and send the effective time source in the target area to the strategy generation subsystem.
[0146] Step three, the strategy generation subsystem is used to receive the valid time source in the target area, obtain the timing interference strategy according to the valid time source in the target area, and send the timing interference strategy to the timing measurement subsystem.
[0147] Step 4: The timing measurement subsystem is used to receive the exact position of the timing interference target and the timing interference strategy, obtain a timing interference signal parameter set based on the exact position of the timing interference target and the timing interference strategy, and send the timing interference signal parameter set to the collaborative interference subsystem.
[0148] Step 5. The collaborative interference subsystem is used to receive the exact position of the timing interference target and the timing interference signal parameter set, obtain a distributed collaborative timing interference signal according to the exact position of the timing interference target and the timing interference signal parameter set, and broadcast the distributed collaborative timing interference signal.
[0149] To sum up, the embodiments of the present invention construct a distributed integrated timing interference system and simulate the generation of timing interference signals in complex environments through self-organization and flexible reconstruction, thereby providing a testing basis for improving the timing anti-interference and time application security performance of target timing equipment.
[0150] Although the preferred embodiments of the present invention have been described, those skilled in the art may make additional changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the present invention.
[0151] Those skilled in the art know that, in addition to implementing the system and its various subsystems, modules, and units provided by the present invention in a purely computer-readable program code, it is entirely possible to implement the same functions of the system and its various subsystems, modules, and units provided by the present invention in the form of logic gates, switches, application-specific integrated circuits, programmable logic controllers, etc. by performing logic programming on the method steps. Therefore, the system and its various subsystems, modules, and units provided by the present invention can be regarded as structures within hardware components or as software modules for implementing the method.
[0152] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.
Claims
1. A timing jamming system, characterized in that: It includes a target tracking subsystem, a signal detection subsystem, a strategy generation subsystem, a timing measurement subsystem, a wireless transmission subsystem and multiple cooperative interference subsystems. The timing measurement subsystem and the cooperative interference subsystem perform distributed multi-point real-time data exchange through the wireless transmission subsystem, and multiple cooperative interference subsystems perform information exchange through the wireless transmission subsystem, wherein: The target tracking subsystem is used to detect, track and locate the timing interference target in real time, obtain the accurate position of the timing interference target, and send the accurate position of the timing interference target to the timing measurement subsystem and the coordinated interference subsystem; The signal detection subsystem is used to monitor the timing signal in the environment where the timing interference target is located in real time, obtain the effective time source in the target area, and send the effective time source in the target area to the strategy generation subsystem; The strategy generation subsystem is used to receive the effective time source in the target area, obtain the timing interference strategy according to the effective time source in the target area, and send the timing interference strategy to the timing measurement subsystem; The timing measurement subsystem is used to receive the accurate position of the timing interference target and the timing interference strategy, obtain a timing interference signal parameter set according to the accurate position of the timing interference target and the timing interference strategy, and send the timing interference signal parameter set to the collaborative interference subsystem; The collaborative interference subsystem is used to receive the accurate position of the timing interference target and the timing interference signal parameter set, obtain a distributed collaborative timing interference signal according to the accurate position of the timing interference target and the timing interference signal parameter set, and broadcast the distributed collaborative timing interference signal.
2. The system according to claim 1, characterized in that The exact position of the timing interference target is calculated according to the following formula: L obj ={ox,oy,oz}=Loc(dt,obj) Among them, L obj is the vector of the accurate position of the timing interference target, ox is the longitude of the timing interference target, oy is the latitude of the timing interference target, oz is the height of the timing interference target, Loc() is the positioning function of the timing interference target, dt is the time corresponding to the position of the locking timing interference target, and obj is the label of the timing interference target.
3. The system according to claim 2, characterized in that The valid time source in the target area is calculated according to the following formula: Wherein, T is the identification vector of the effective time source in the target area; k is the category number of the timing signal in the target area, k=1 is the satellite timing signal, k=2 is the long-wave timing signal, k=3 is the short-wave timing signal, and k=4 is other timing signals; t k It is a sign of whether the k-type timing signal exists in the target area, t k =1 means there are k types of timing signals in the target area, t k = 0 means that there is no k-type timing signal in the target area; tim( ) is the timing signal detection function in the target area; s k is the k-type timing signal in the target area; pow k is the strength of k-type timing signals in the target area; L obj is the position vector of the timing interference target.
4. The system according to claim 2, characterized in that The timing interference strategy is calculated according to the following formula: ST={t int ,t sht }=prd(T)=prd({t k }) Wherein, ST is the identification vector of the timing interference strategy; t int is the time disturbance mode in the timing interference, t int =0 is broadband blocking interference mode, t int =1 is the frequency deception interference mode; t sht is the time shift mode in timing interference, t sht =0 is the time-shift mode of timing jump, t sht =1 is the clock error slow deviation time shift mode; prd() is the timing interference strategy generation function, when t k＝4 = 1, there is t int = 0 and t sht =0, when t k＝4 = 0, there is t int =1 and t sht =1; T is the identification vector of the effective time source in the target area; k is the category number of the timing signal in the target area, k=1 is the satellite timing signal, k=2 is the long-wave timing signal, k=3 is the short-wave timing signal, and k=4 is other timing signals; t k It is a sign of whether the k-type timing signal exists in the target area, t k =1 means there are k types of timing signals in the target area, t k =0 means there is no type k timing signal in the target area.
5. The system according to claim 1, characterized in that The timing interference signal parameter set is calculated according to the following formula: PI={tcc k ,pwb k ,rtl k ,pds k ,rcs k }=cpa(s k ,ST,L obj ) Where PI is the parameter set vector of the timing interference signal; k is the category number of the timing signal in the target area: k = 1 is the satellite timing signal, k = 2 is the long-wave timing signal, k = 3 is the short-wave timing signal, and k = 4 is other timing signals; tcc k is the synchronization correction for type k timing signal; pwb k is the broadband blocking superposition power for type k timing signals; rtl k is the timing jump amplitude for type k timing signal; pds k It is the frequency deception superposition power for the k-type timing signal; rcs k is the clock error slowing rate for type k timing signal; cpa() is the parameter calculation function of the timing interference signal: s k are the k types of timing signals in the target area; ST is the identification vector of the timing interference strategy; L obj is the position vector of the timing interference target.
6. The system according to claim 5, characterized in that For the k-type timing signal, the broadband blocking superposition power and the timing jump amplitude are calculated according to the following formula: When ST={0,0}, If t k＝1 =1, then pwb k＝1 =60dB, rtl k＝1 =1s; If t k＝2 =1, then pwb k＝2 =100dB, rtl k＝2 =1s; If t k＝3 =1, then pwb k＝3 =100dB, rtl k＝3 =1s; If t k＝4 =1, then pwb k＝4 =100dB, rtl k＝4 =1s; When ST = {1, 1}, If t k＝1 =1, then pds k＝1 =10dB, rcs k＝1 =100ns / s; If t k＝2 =1, then pds k＝2 =20dB, rcs k＝2 =10us / s; If t k＝3 =1, then pds k＝3 =20dB, rcs k＝3 =10ms / s; Among them, t k It is a sign of whether the type k timing signal exists in the target area, pwb k is the broadband blocking superposition power for type k timing signals, rtl k is the timing jump amplitude for type k timing signal.
7. The system according to claim 1, characterized in that It also includes a timing anti-interference performance test subsystem, where: The timing anti-interference performance test subsystem is used to test the timing continuity and timing accuracy of the timing interference target to obtain the timing anti-interference performance test result; and The timing anti-interference performance test subsystem is also used to replace the timing interference target, test the timing continuity and timing accuracy of the replaced timing interference target, and obtain the timing anti-interference performance test results of different targets.
8. A method for controlling the timing jamming system according to any one of claims 1 to 7, characterized in that: include: The target tracking subsystem is used to detect, track and locate the timing interference target in real time, obtain the accurate position of the timing interference target, and send the accurate position of the timing interference target to the timing measurement subsystem and the coordinated interference subsystem; The signal detection subsystem is used to monitor the timing signal in the environment where the timing interference target is located in real time, obtain the effective time source in the target area, and send the effective time source in the target area to the strategy generation subsystem; The strategy generation subsystem is used to receive the effective time source in the target area, obtain the timing interference strategy according to the effective time source in the target area, and send the timing interference strategy to the timing measurement subsystem; The timing measurement subsystem is used to receive the accurate position of the timing interference target and the timing interference strategy, obtain a timing interference signal parameter set according to the accurate position of the timing interference target and the timing interference strategy, and send the timing interference signal parameter set to the collaborative interference subsystem; The collaborative interference subsystem is used to receive the accurate position of the timing interference target and the timing interference signal parameter set, obtain a distributed collaborative timing interference signal according to the accurate position of the timing interference target and the timing interference signal parameter set, and broadcast the distributed collaborative timing interference signal.
9. The method according to claim 8, characterized in that The timing interference signal parameter set is calculated according to the following formula: PI={tcc k ,pwb k ,rtl k ,pds k ,rcs k }=cpa(s k ,ST,L obj ) Where PI is the parameter set vector of the timing interference signal; k is the category number of the timing signal in the target area: k = 1 is the satellite timing signal, k = 2 is the long-wave timing signal, k = 3 is the short-wave timing signal, and k = 4 is other timing signals; tcc k is the synchronization correction for type k timing signal; pwb k is the broadband blocking superposition power for type k timing signals; rtl k is the timing jump amplitude for type k timing signal; pds k It is the frequency deception superposition power for the k-type timing signal; rcs k is the clock error slowing rate for type k timing signal; cpa( ) is the parameter calculation function of the timing interference signal: s k are the k types of timing signals in the target area; ST is the identification vector of the timing interference strategy; L obj is the position vector of the timing interference target.
10. The method according to claim 9, characterized in that For the k-type timing signal, the broadband blocking superposition power and the timing jump amplitude are calculated according to the following formula: When ST={0,0}, If t k＝1 =1, then pwb k＝1 =60dB, rtl k＝1 =1s; If t k＝2 =1, then pwb k＝2 =100dB, rtl k＝2 =1s; If t k＝3 =1, then pwb k＝3 =100dB, rtl k＝3 =1s; If t k＝4 =1, then pwb k＝4 =100dB, rtl k＝4 =1s; When ST = {1, 1}, If t k＝1 =1, then pds k＝1 =10dB, rcs k＝1 =100ns / s; If t k＝2 =1, then pds k＝2 =20dB, rcs k＝2 =10us / s; If t k＝3 =1, then pds k＝3 =20dB, rcs k＝3 =10ms / s; Among them, t k It is a sign of whether the type k timing signal exists in the target area, pwb k is the broadband blocking superposition power for type k timing signals, rtl k is the timing jump amplitude for type k timing signal.