CN118604812A - A friend-or-foe identification simulation system and equipment based on air traffic control secondary radar - Google Patents

Abstract

The present invention provides an IFF simulation system and device based on an air traffic control secondary radar, wherein the system includes: an authority management module, which is used to select and operate between a monitoring mode and a control mode according to login authority; a data transceiver module, which is used to receive data sent by an interrogator and a transponder and send data to the interrogator and the transponder; a display management module, which is used to manage and display information of the interrogator and the transponder; an interrogator management module, which is used to manage the interrogator and configure the interrogation mode of the interrogator in a control mode; and a transponder management module, which is used to manage the transponder and configure the transponder's transponder mode based on the configured interrogation mode in a control mode. The IFF simulation system based on an air traffic control secondary radar of the present invention is based on the derivative functions of the air traffic control secondary radar, that is, it has the function of air traffic control of the air traffic control secondary radar and also has the function of IFF.

Description

A friend-or-foe identification simulation system and equipment based on air traffic control secondary radar

Technical Field

The present invention relates to the technical field of friend-or-foe identification of a secondary radar system, and in particular to a friend-or-foe identification simulation system and equipment based on an air traffic control secondary radar.

Background Art

There are obvious differences between secondary radar and primary radar. Compared with primary radar, under the same power, secondary radar has longer distance, higher accuracy and richer data. It is not easy to have false alarm. Active detection mode requires cooperative targets and can be used as a friend-or-foe identification function. Under the same power, primary radar has a short detection distance, lower accuracy, single data and is prone to false alarm. Active detection mode does not require cooperative targets and cannot distinguish friend-or-foe attributes. How to use secondary radar for friend-or-foe identification simulation is of great significance.

Summary of the invention

One of the purposes of the present invention is to provide a friend-or-foe identification simulation system and equipment based on air traffic control secondary radar to solve the above-mentioned technical problems.

An embodiment of the present invention provides an identification friend or foe simulation system based on an air traffic control secondary radar, comprising:

The authority management module is used to select and operate between the monitoring mode and the control mode according to the login authority;

A data transceiver module is used to receive data sent by the interrogator and the transponder and to send data to the interrogator and the transponder;

Display management module, used to manage and display the information of interrogators and transponders;

An interrogator management module, used to manage the interrogators and configure the interrogation mode of the interrogators in the control mode;

The transponder management module is used to manage the transponder and configure the answering mode of the transponder based on the configured inquiry mode in the control mode.

Preferably, the interrogation machine management module includes:

A first working mode configuration unit, used to configure the interrogation mode of the interrogator in the control mode;

A measurement angle setting unit, used to configure the measurement angle of the interrogator;

A response rate display unit, used to display the response rate;

A working status display unit, used for displaying the working status;

The first secret key configuration unit is used to configure the secret key in each inquiry mode.

Preferably, the answering machine management module includes:

A second working mode configuration unit, used to configure the answering mode of the answering machine in the control mode;

A parameter setting unit, used to set the parameter settings of the transponder;

A positioning information display unit, used for displaying positioning information;

A status information display unit, used for displaying status information;

The second secret key configuration unit is used to configure the secret key in each response mode.

Preferably, the friend-or-foe identification simulation system based on air traffic control secondary radar also includes:

A tracking module is used to analyze the location information of the transponder and construct tracking items to track the transponder;

The same machine identification module is used to compare the device information of the transponder with the device information of other transponders. When there is a sameness, it outputs a preset first alarm message and controls the corresponding interrogator to enter the identification mode;

The status analysis module is used to sample and analyze the tracking data of each transponder to determine the status of the carrier corresponding to each transponder.

Preferably, the friend-or-foe identification simulation system based on air traffic control secondary radar also includes:

The identification mode configuration module is used to configure the communication mode used in each working period of the identification mode of the interrogator and the coding rules used in the corresponding communication mode, and generate an inquiry control library and a response control library based on the configuration results, send the inquiry control library to the interrogator, and send the response control library to the response machine.

Preferably, when there are transponders with the same device information, the same machine identification module further performs the following operations:

According to the equipment information, query the record database to determine the route record data corresponding to the equipment information;

Query the route record data to determine the standard position of the carrier corresponding to the current transponder;

Determine the deviation distance of the carrier corresponding to the transponder according to the positioning information corresponding to the transponder and the standard position;

When the difference between the deviation distances of the two is greater than a preset threshold, the carrier corresponding to the transponder with the smallest deviation distance is marked with a first mark on the monitoring map, and the carriers corresponding to other transponders are marked with a second mark on the monitoring map;

When the difference between the deviation distances of the two is less than or equal to a preset threshold, the historical navigation records of each transponder are obtained, and based on the historical route records, the marking method of the carrier corresponding to each transponder on the monitoring map is determined.

The present invention also provides an IFF simulation device based on air traffic control secondary radar, which serves as an interrogator corresponding to any of the above-mentioned IFF simulation systems based on air traffic control secondary radar, and includes: a first antenna, a first communication module, a first signal processing module, a first control module, a first communication interface, a first transmitting module, a first receiving module, and a second antenna;

Among them, the first antenna is electrically connected to the first communication module; the first communication module is electrically connected to the first signal processing module; the first signal processing module is electrically connected to the first control module; the first control module is electrically connected to the first communication interface; the first transmitting module and the first receiving module are electrically connected to the signal processing module respectively; the second antenna is electrically connected to the first transmitting module and the first receiving module respectively; the first signal processing module includes a first password management unit.

Preferably, the first control module obtains the query control library through the first communication module and the first antenna;

When the first control module receives the control instruction to enter the identification mode through the first communication module and the first antenna, the first signal processing module is controlled to operate according to the query control library, and the first signal control module sends an inquiry signal from the second antenna through the first transmitting module.

The present invention also provides an IFF simulation device based on air traffic control secondary radar, which serves as a transponder corresponding to any of the above-mentioned IFF simulation systems based on air traffic control secondary radar, and includes: a third antenna, a second communication module, a second signal processing module, a second communication interface, a second transmitting module, a second receiving module and a fourth antenna;

Among them, the third antenna is electrically connected to the second communication module; the second communication module is electrically connected to the second information processing module; the second communication interface is electrically connected to the second information processing module; the second transmitting module and the second receiving module are respectively electrically connected to the second information processing; the fourth antenna is respectively electrically connected to the second receiving module and the second transmitting module; the second signal processing module includes: a second password management unit.

Preferably, the second signal processing module obtains the response control library through the second communication module and the third antenna;

When receiving the identification inquiry from the inquiry machine, the second signal processing module controls the operation of the second transmitting module according to the response control library.

Other features and advantages of the present invention will be described in the following description, and partly become apparent from the description, or 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.

The technical solution of the present invention is further described in detail below through the accompanying drawings and embodiments.

BRIEF DESCRIPTION OF THE DRAWINGS

The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

FIG1 is a schematic diagram of an IFF simulation system based on air traffic control secondary radar in an embodiment of the present invention;

FIG2 is a schematic diagram showing the principle of an IFF simulation system based on air traffic control secondary radar in an embodiment of the present invention;

FIG3 is a schematic diagram of an interrogation machine according to an embodiment of the present invention;

FIG4 is a schematic diagram of a startup process of an interrogation machine according to an embodiment of the present invention;

FIG5 is a schematic diagram of an answering machine according to an embodiment of the present invention;

FIG. 6 is a schematic diagram of a startup flow of a transponder according to an embodiment of the present invention.

DETAILED DESCRIPTION

The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

Example 1

The embodiment of the present invention provides an IFF simulation system based on air traffic control secondary radar, as shown in FIG1 , including:

The authority management module 1 is used to select and operate between the monitoring mode and the control mode according to the login authority;

Data transceiver module 2, used to receive data sent by the interrogator and transponder and send data to the interrogator and transponder;

Display management module 3, used to manage and display the information of the interrogator and the transponder;

An interrogation machine management module 4, used to manage the interrogation machine and configure the interrogation mode of the interrogation machine in the control mode;

The transponder management module 5 is used to manage the transponder and configure the answering mode of the transponder based on the configured inquiry mode in the control mode.

Among them, the interrogation machine management module 4 includes:

A first working mode configuration unit, used to configure the interrogation mode of the interrogator in the control mode;

A measurement angle setting unit, used to configure the measurement angle of the interrogator;

A response rate display unit, used to display the response rate;

A working status display unit, used for displaying the working status;

The first secret key configuration unit is used to configure the secret key in each inquiry mode.

Wherein, the answering machine management module 5 includes:

A second working mode configuration unit, used to configure the answering mode of the answering machine in the control mode;

A parameter setting unit, used to set the parameter settings of the transponder;

A positioning information display unit, used for displaying positioning information;

A status information display unit, used for displaying status information;

The second secret key configuration unit is used to configure the secret key in each response mode.

The working principle and beneficial effects of the above technical solution are:

The IFF system technology is a derivative function based on the air traffic control secondary radar, that is, it has the function of air traffic control of the air traffic control secondary radar and the function of IFF. The IFF simulation system adopts radio communication technology, and the original digital information is encoded and modulated, and then the signal is radiated by the antenna. At the other end, the antenna of the same frequency band is used to receive the electromagnetic radiation signal from the space, and the corresponding information is output after demodulation, signal processing and decoding. At the same time, using the working principle of radar, the target can be ranged and the target is located. The interrogator and the transponder use different transmitting and receiving frequencies to complete the full-duplex communication and detection functions. (The interrogator transmitting frequency and the transponder receiving frequency are 1030MHz, and the interrogator receiving frequency and the transponder transmitting frequency are 1090MHz). The interrogator in the hardware architecture corresponding to the IFF simulation system is generally installed on the ground as a ground-based radar device, and the transponder is installed on the moving target (most of them are installed on aircraft, and can also be installed on ships and cars). Figure 2 is a schematic diagram of the principle architecture of the IFF simulation system based on the air traffic control secondary radar corresponding to the present invention under a specific implementation.

The friend-or-foe identification simulation system based on air traffic control secondary radar of the present invention comprises: an authority management module, a data transceiver module, a display management module, an interrogator management module and a transponder management module; the authority management module is responsible for the authority management function, that is, it can determine whether it is a monitoring mode or a control mode according to the login authority, the monitoring mode does not allow the control of the device, and can only observe the device data and status, and has the authority functions of single-set device control and multiple-set device management. In addition, by calling the middleware interface provided by the user to access the user account information, a unified user login information authority management is performed to avoid the user login account information island. The display management module can read the formatted task planning information, obtain the deployment location, working mode and other information of the friend-or-foe identification device and display it; provide an independent planning information display and control interface to read the formatted task planning information, and display the friend-or-foe equipment parameter information specified by the user. The data transceiver module can receive the parameters, location, status and other data information of the interrogator and transponder, and send the interrogator and transponder control parameters to the device embedded processing software; through the independent data receiving module and the middleware provided by the user, it supports receiving any data transmitted by UDP, TCP, and user target software, and submits the data to the corresponding display module for data display through data analysis by the data processing module. The parameter setting unit supports the setting of working parameters and basic parameters of the interrogator and transponder; it provides independent parameter setting interfaces according to business functions, such as the interrogator parameter setting interface, the transponder working parameter setting interface, the basic parameter setting interface, and other interfaces agreed upon by the user. It integrates multiple business control interfaces including the interrogator display and control interface, the transponder display and control interface, the working mode display and control interface, the key management display and control interface, and other display and control interfaces required by the user, and provides a seamless switching function between interfaces, supports users to simultaneously manage and display the information of interrogators, transponders and other devices, can set the interrogation mode and the answering mode separately, and manage various mode keys through the key display and control interface. In addition, it also supports the simultaneous management and display of the information of the interrogator and the answering machine; it can set the interrogation mode and the answering mode separately.

Example 2

Based on Example 1, the friend-or-foe identification simulation system based on the air traffic control secondary radar further includes:

A tracking module is used to analyze the location information of the transponder and construct tracking items to track the transponder;

The same machine identification module is used to compare the device information of the transponder with the device information of other transponders. When there is a sameness, it outputs a preset first alarm message and controls the corresponding interrogator to enter the identification mode;

The status analysis module is used to sample and analyze the tracking data of each transponder to determine the status of the carrier corresponding to each transponder.

The friend-or-foe identification simulation system based on air traffic control secondary radar also includes:

The identification mode configuration module is used to configure the communication mode used in each working period of the identification mode of the interrogator and the coding rules used in the corresponding communication mode, and generate an inquiry control library and a response control library based on the configuration results, send the inquiry control library to the interrogator, and send the response control library to the response machine.

In addition, when there are answering machines with the same device information, the same machine identification module also performs the following operations:

According to the equipment information, query the record database to determine the route record data corresponding to the equipment information;

Query the route record data to determine the standard position of the carrier corresponding to the current transponder;

Determine the deviation distance of the carrier corresponding to the transponder according to the positioning information corresponding to the transponder and the standard position;

When the difference between the deviation distances of the two is greater than a preset threshold, the carrier corresponding to the transponder with the smallest deviation distance is marked with a first mark on the monitoring map, and the carriers corresponding to other transponders are marked with a second mark on the monitoring map;

When the difference between the deviation distances of the two is less than or equal to a preset threshold, the historical navigation records of each transponder are obtained, and based on the historical route records, the marking method of the carrier corresponding to each transponder on the monitoring map is determined.

This embodiment analyzes the device information to determine whether there is disguise, and then identifies the disguise according to the registered data and historical data, and distinguishes and marks it according to the identification result. When it can be distinguished according to the deviation distance, the first mark and the second mark are used to mark the authenticity respectively. The first mark can be in green font and the second mark can be in red font. In addition, when it has not been distinguished yet, the third mark is used first, and the third mark can be in yellow font. The data of the first mark includes: the unique identification code in the device information, the data of the second mark includes: the unique identification code + distinguishing mark; the data of the third mark includes: the unique identification code + current status (for example: the machine identification inquiry to be inquired).

In addition, based on historical route records, determine how the carriers corresponding to each transponder are marked on the monitoring map, including:

Analyze historical route records and determine the distance deviation value at each historical route time;

Determine the deviation reference value based on the distance deviation value of each historical navigation moment;

The carrier closest to the deviation reference value is marked first, and the others are marked second.

In order to realize the analysis of historical navigation records, the identification is performed, wherein the deviation reference value is determined based on the distance deviation value of each historical navigation moment, including:

Determine the distance between the location corresponding to each historical navigation time and the current location of the transponder;

Based on the distance, query a preset first coefficient determination table to determine the first coefficient; in the first coefficient determination table, the larger the distance, the smaller the corresponding first coefficient;

Based on the time difference between each historical sailing time and the current time, the preset second coefficient determination table is queried to determine the second coefficient; the larger the time difference in the second coefficient determination table, the smaller the second coefficient;

The sum of the distance deviation value corresponding to each historical navigation time and the product of the first coefficient and the second coefficient is calculated to obtain a deviation reference value.

Example 3

The present invention also provides an IFF simulation device based on air traffic control secondary radar, as an interrogator corresponding to any of the above-mentioned IFF simulation systems based on air traffic control secondary radar, as shown in FIG3, comprising: a first antenna, a first communication module, a first signal processing module, a first control module, a first communication interface, a first transmitting module, a first receiving module, and a second antenna;

Among them, the first antenna is electrically connected to the first communication module; the first communication module is electrically connected to the first signal processing module; the first signal processing module is electrically connected to the first control module; the first control module is electrically connected to the first communication interface; the first transmitting module and the first receiving module are electrically connected to the signal processing module respectively; the second antenna is electrically connected to the first transmitting module and the first receiving module respectively; the first signal processing module includes a first password management unit.

The first control module obtains the query control library through the first communication module and the first antenna;

When the first control module receives the control instruction to enter the identification mode through the first communication module and the first antenna, the first signal processing module is controlled to operate according to the inquiry control library, and the first signal control module sends an inquiry signal from the second antenna through the first transmitting module.

The working process of the interrogator is shown in Figure 4. After the interrogator is turned on, it will first perform a self-test. If the self-test is normal, it can work normally. At this time, the interrogator working parameters can be re-set, or it can work according to the last configuration parameters. Turn on the transmission command, the interrogator transmits the inquiry signal according to the set mode and parameters, and receives the response signal, uploads the parsed response signal to the terminal display software, and stores the data at the same time. If necessary, it can be transmitted to the upper-level control terminal through the network. Among them, the first antenna includes a GPS/BD2 dual-mode antenna, the first communication module includes: GPS/BD2 module; the first control module includes an X86 motherboard.

Example 4

The present invention also provides an IFF simulation device based on air traffic control secondary radar, as a transponder corresponding to any of the above-mentioned IFF simulation systems based on air traffic control secondary radar, as shown in FIG5 , comprising: a third antenna, a second communication module, a second signal processing module, a second communication interface, a second transmitting module, a second receiving module and a fourth antenna;

Among them, the third antenna is electrically connected to the second communication module; the second communication module is electrically connected to the second information processing module; the second communication interface is electrically connected to the second information processing module; the second transmitting module and the second receiving module are respectively electrically connected to the second information processing; the fourth antenna is respectively electrically connected to the second receiving module and the second transmitting module; the second signal processing module includes: a second password management unit.

The second signal processing module obtains the response control library through the second communication module and the third antenna;

When receiving the identification inquiry from the inquiry machine, the second signal processing module controls the operation of the second transmitting module according to the response control library.

The working process of the transponder is shown in Figure 6. After the transponder is turned on, it will first perform a self-test. If the self-test is normal, it can work normally. At this time, the working parameters of the interrogator can be re-set, or it can work according to the last configuration parameters. At this time, the transponder is waiting to receive the interrogation signal. After receiving the interrogation signal, it responds according to the interrogation, uploads the parsed response signal to the terminal display software, and stores the data at the same time. If necessary, it can be transmitted to the upper-level control terminal through the network. Among them, the third antenna includes: GPS/BD2 dual-mode antenna, the second communication module includes: GPS/BD2 module; the fourth antenna is an omnidirectional antenna.

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 (10)

1. A simulation system for identifying friend or foe based on an air traffic control secondary radar, comprising:

the permission management module is used for selecting to run between a monitoring mode and a control mode according to the login permission;

the data transceiver module is used for receiving data sent by the interrogator and the transponder and sending the data to the interrogator and the transponder;

The display management module is used for managing and displaying information of the interrogator and the transponder;

the interrogator management module is used for managing the interrogator and configuring an interrogation mode of the interrogator in a control mode;

And the transponder management module is used for managing the transponder and configuring the response mode of the transponder based on the configured inquiry mode in the control mode.

2. A diurnal secondary radar-based diurnal identification simulation system as claimed in claim 1 wherein said interrogator management module comprises:

the first working mode configuration unit is used for configuring an inquiry mode of the inquiry machine in a control mode;

a measurement angle setting unit for configuring a measurement angle of the interrogator;

A response rate display unit for displaying the response rate;

the working state display unit is used for displaying the working state;

and the first key configuration unit is used for configuring keys in all inquiry modes.

3. A diurnal air traffic control secondary radar-based diurnal me recognition simulation system as claimed in claim 1, wherein said transponder management module comprises:

a second operation mode configuration unit for configuring a response mode of the transponder in the control mode;

A parameter setting unit for setting parameter settings of the transponder;

The positioning information display unit is used for displaying positioning information;

a state information display unit for displaying state information;

And the second key configuration unit is used for configuring keys in each response mode.

4. A diurnal secondary radar-based diurnal identification simulation system as claimed in claim 1, further comprising:

The tracking module is used for analyzing the positioning information of the transponder and constructing a tracking item to track the transponder;

the same-machine discrimination module is used for comparing the equipment information of the answering machine with the equipment information of other answering machines, outputting preset first alarm information and controlling the corresponding inquiring machine to enter a steamer mode when the same equipment information exists;

And the state analysis module is used for carrying out sampling analysis on the tracking data of each transponder and determining the state of the carrier corresponding to each transponder.

5. A diurnal secondary radar-based diurnal identification simulation system as in claim 4, further comprising:

And the screening mode configuration module is used for configuring the communication modes adopted by each working period of the screening mode of the interrogator and the coding rules used by the corresponding communication modes, generating an inquiry control library and a response control library based on the configuration result, transmitting the inquiry control library to the interrogator, and transmitting the response control library to the responder.

6. A diurnal radar-based diurnal identification simulation system as claimed in claim 4 wherein said on-machine retorting module further performs the following operations when there are transponders with identical device information:

inquiring a record library according to the equipment information, and determining route record data corresponding to the equipment information;

Inquiring the route record data and determining the standard position of the carrier corresponding to the current transponder;

determining the deviation distance of the carrier corresponding to the transponder according to the positioning information corresponding to the transponder and the standard position;

When the difference value between the deviation distances of the first and second carriers is larger than a preset threshold value, the carrier corresponding to the answering machine with the smallest deviation distance is marked by adopting a first mark on the monitoring chart, and the carriers corresponding to other answering machines are marked by adopting a second mark on the monitoring chart;

When the difference value between the deviation distances of the two is smaller than or equal to a preset threshold value, acquiring the historical navigation record of each transponder, and determining the labeling mode of the carrier corresponding to each transponder on the monitoring chart based on the historical navigation record.

7. A diy identifying simulation device based on an air traffic control secondary radar as an interrogator corresponding to a diy identifying simulation system based on an air traffic control secondary radar as set forth in any one of claims 1 to 6, comprising: the device comprises a first antenna, a first communication module, a first signal processing module, a first control module, a first communication interface, a first transmitting module, a first receiving module and a second antenna;

the first antenna is electrically connected with the first communication module; the first communication module is electrically connected with the first signal processing module; the first signal processing module is electrically connected with the first control module; the first control module is electrically connected with the first communication interface; the first transmitting module and the first receiving module are respectively and electrically connected with the signal processing module; the second antenna is electrically connected with the first transmitting module and the first receiving module respectively; the first signal processing module includes a first password management unit.

8. The air traffic control secondary radar-based friend-foe identification simulation device according to claim 7, wherein the first control module obtains an inquiry control library through the first communication module and a first antenna;

When the first control module receives a control instruction for entering the steamer mode through the first communication module and the first antenna, the first signal control module controls the first signal processing module to act according to the inquiry control library, and the first signal control module sends an inquiry signal from the second antenna through the first sending module.

9. A hollow pipe secondary radar-based friend-foe identification simulation apparatus as a transponder corresponding to a hollow pipe secondary radar-based friend-foe identification simulation system according to any one of claims 1 to 6, comprising: the device comprises a third antenna, a second communication module, a second signal processing module, a second communication interface, a second transmitting module, a second receiving module and a fourth antenna;

The third antenna is electrically connected with the second communication module; the second communication module is electrically connected with the second information processing module; the second communication interface is electrically connected with the second information processing module; the second transmitting module and the second receiving module are respectively and electrically connected with the second information processing module; the fourth antenna is respectively and electrically connected with the second receiving module and the second transmitting module; the second signal processing module includes: and a second password management unit.

10. The apparatus for simulating identification of enemy based on air traffic control secondary radar as set forth in claim 9, wherein said second signal processing module obtains a response control library through said second communication module and a third antenna;

and when the steamer identification inquiry of the inquiry machine is received, the second signal processing module controls the second transmitting module to work according to the response control library.