CN-121978641-A - Equivalent simulation method, device, terminal and medium for electromagnetic environment of radar equipment

CN121978641ACN 121978641 ACN121978641 ACN 121978641ACN-121978641-A

Abstract

The application discloses an equivalent simulation method, device, terminal and medium of an electromagnetic environment of radar equipment, wherein the method comprises the steps of obtaining parameter information of target equipment and parameter information of hardware equipment in a radar simulation system; the method comprises the steps of obtaining parameter information of target equipment, calculating to obtain equivalent power density based on the parameter information of the target equipment, determining equivalent simulation distance based on simulation site information corresponding to a radar simulation system and the parameter information of the hardware equipment, obtaining target simulation parameters based on the parameter information of the hardware equipment, the equivalent power density and the equivalent simulation distance, and enabling the hardware equipment to conduct equivalent simulation of the target equipment according to the target simulation parameters. The application aims to realize equivalent simulation of radar equipment in an electromagnetic environment based on hardware.

Inventors

REN JIA
ZHOU RONG
XU LU
ZHOU KEJI
ZHU CHANGHONG
ZHENG JIANFENG
QU WENLI
CHEN KAIFANG
LIU TAO

Assignees

成都玖锦科技有限公司

Dates

Publication Date: 20260505
Application Date: 20260304

Claims (10)

1. A radar equipment electromagnetic environment equivalent simulation method, characterized by being applied to a radar simulation system, the method comprising: Acquiring parameter information of target equipment and parameter information of hardware equipment in a radar simulation system; Calculating to obtain equivalent power density based on the parameter information of the target equipment; Determining an equivalent simulation distance based on simulation site information corresponding to a radar simulation system and parameter information of the hardware equipment; And obtaining a target simulation parameter based on the parameter information of the hardware equipment, the equivalent power density and the equivalent simulation distance, so that the hardware equipment performs equivalent simulation of the target equipment according to the target simulation parameter.
2. The method of claim 1, wherein the parameter information of the target equipment comprises a transmit power of the target equipment, an antenna gain of the target equipment, and a range of the target equipment; The calculating to obtain the equivalent power density based on the parameter information of the target equipment includes: The equivalent power density is calculated by the following formula: Wherein, the Representing the said equivalent power density of the said power source, Representing the transmit power of the target equipment, Indicating the range of the target equipment, Representing the antenna gain of the target equipment.
3. The method of claim 1, wherein the determining the equivalent simulation distance based on simulation site information corresponding to the radar simulation system and parameter information of the hardware equipment comprises: according to the simulated field information, an equivalent simulation distance prediction value is obtained through presetting an equivalent simulation distance prediction model; based on the parameter information of the hardware equipment, determining a reasonable constraint range corresponding to the equivalent simulation distance; and determining the equivalent simulation distance based on the equivalent simulation distance predicted value and a reasonable constraint range corresponding to the equivalent simulation distance.
4. The method of claim 3, wherein the preset equivalent simulated distance prediction model comprises a first input layer, a first hidden layer, and a first output layer, the simulated site information comprising site structure parameters, site electromagnetic propagation parameters, site environment interference parameters, and site available space parameters, the first input layer comprising 4 nodes, the first hidden layer comprising a first sub-hidden layer and a second hidden layer, the first hidden layer comprising 64 nodes, the second hidden layer comprising 32 nodes, the first output layer comprising 1 node; Obtaining an equivalent simulation distance predicted value by presetting an equivalent simulation distance predicted model according to the simulation site information, wherein the method comprises the following steps: inputting the site structure parameter, the site electromagnetic propagation parameter, the site environment interference parameter and the site available space parameter into the first input layer to obtain a first input vector; Inputting the first input vector to the first sub-hiding layer to obtain a first intermediate vector; Inputting the first intermediate vector to the second sub-hiding layer to obtain a first feature vector; And inputting the first eigenvector to the first output layer to obtain the equivalent simulation distance predicted value.
5. The method of claim 3, wherein the determining the equivalent simulated distance based on the equivalent simulated distance predictor and a reasonable constraint range for the equivalent simulated distance comprises: If the equivalent simulation distance predicted value is not located in the reasonable constraint range corresponding to the equivalent simulation distance, adjusting the reasonable constraint range corresponding to the equivalent simulation distance through a preset constraint adjustment mechanism until the equivalent simulation distance predicted value is located in the adjusted reasonable constraint range corresponding to the equivalent simulation distance, so as to determine the equivalent simulation distance; And if the equivalent simulation distance predicted value is positioned in a reasonable constraint range corresponding to the equivalent simulation distance, taking the equivalent simulation distance predicted value as an initial value, taking the difference value between the minimum equivalent simulation distance and the equivalent simulation distance predicted value as a target, and calculating to obtain the equivalent simulation distance through a preset constraint optimization algorithm.
6. The method of claim 1, wherein the parameter information of the hardware equipment includes a power amplifier output power range of the hardware equipment and an antenna gain of the hardware equipment; The obtaining the target simulation parameter based on the parameter information of the hardware equipment, the equivalent power density and the equivalent simulation distance includes: And generating a model through a preset target simulation parameter according to the power amplifier output power range of the hardware equipment, the antenna gain of the hardware equipment, the equivalent power density and the equivalent simulation distance to obtain the target simulation parameter, wherein the target simulation parameter comprises target power amplifier transmitting power and target antenna gain.
7. The method of claim 6, wherein the pre-set target simulation parameter generation model comprises a second input layer, a second hidden layer, and a second output layer, the second hidden layer comprising a third sub-hidden layer, a fourth sub-hidden layer, and a fifth sub-hidden layer, the second output layer comprising 2 nodes; the generating a model according to the power amplifier output power range of the hardware equipment, the antenna gain of the hardware equipment, the equivalent power density and the equivalent simulation distance through a preset target simulation parameter to obtain the target simulation parameter, including: Inputting the power amplifier output power range of the hardware equipment, the antenna gain of the hardware equipment, the equivalent power density and the equivalent analog distance into the second input layer to obtain a second input vector; inputting the second input vector to the third sub-hiding layer to obtain a second intermediate vector; Inputting the second intermediate vector to the fourth sub-hiding layer to obtain a third intermediate vector; inputting the third intermediate vector to the fifth hiding sublayer to obtain a second feature vector; and inputting the second eigenvector to the second output layer to obtain the target power amplifier transmitting power and the target antenna gain.
8. An electromagnetic environment equivalent simulation device for radar equipment, characterized by being applied to a radar simulation system, the device comprising: The radar simulation system comprises a first unit, a second unit and a third unit, wherein the first unit is used for acquiring parameter information of target equipment and parameter information of hardware equipment in a radar simulation system; The second unit is used for calculating equivalent power density based on the parameter information of the target equipment; the third unit is used for determining an equivalent simulation distance based on simulation site information corresponding to the radar simulation system and parameter information of the hardware equipment; And the fourth unit is used for obtaining a target simulation parameter based on the parameter information of the hardware equipment, the equivalent power density and the equivalent simulation distance, so that the hardware equipment can perform equivalent simulation of the target equipment according to the target simulation parameter.
9. A terminal comprising a processor and a memory, the memory storing a plurality of instructions, the processor loading instructions from the memory to perform the steps of the method according to any one of claims 1 to 7.
10. A medium storing a plurality of instructions adapted to be loaded by a processor to perform the steps of the method of any one of claims 1 to 7.

Description

Equivalent simulation method, device, terminal and medium for electromagnetic environment of radar equipment Technical Field The application relates to the technical field of data processing, in particular to an electromagnetic environment equivalent simulation method, device, terminal and medium for radar equipment. Background With the development of electronic technology, the battlefield is filled with various radar, communication and electronic countermeasure equipment, the frequency spectrum resources are highly crowded, electromagnetic signals are interwoven and overlapped, signal interference of friend equipment and targeted electromagnetic suppression of enemy are realized, a complex electromagnetic environment with multiple frequency bands, high density and dynamic change is formed, and the detection, identification and anti-interference capability of radar equipment face serious challenges. The radar is used as core sensing equipment in a combat system, and the stability and reliability of the radar in a real electromagnetic environment directly influence combat decision and effectiveness. In the traditional equipment research and development and acceptance, simple laboratory performance test is difficult to restore a battlefield electromagnetic interference scene, and the actual combat adaptability of the equipment cannot be accurately verified. Because battlefield electromagnetic environment test data of the current modern radar equipment mainly depend on the external field exercise, the problems of few test samples, high test cost, long test period, unrepeatable test and the like exist, particularly, the external field test boundary is ambiguous, the evaluation accuracy is low, for example, the complexity of the current electromagnetic environment is difficult to judge, quantitative characterization and evaluation methods are not available, and the probability event that the equipment is an anti-interference capability problem or normal is difficult to accurately judge. The examination requirement of the adaptability of the complex electromagnetic environment of the battlefield of modern equipment under the new situation cannot be met simply by relying on the training of the outer field, and the equivalent realistic construction is realized by constructing an equivalent radar simulation system of the electromagnetic environment of the radar equipment in the inner field or the target field, so that the real electromagnetic environment of the radar equipment is restored as efficiently as possible. Disclosure of Invention The application mainly aims to provide an equivalent simulation method, device, terminal and medium for an electromagnetic environment of radar equipment, and aims to realize equivalent simulation of the radar equipment in the electromagnetic environment based on the existing hardware. In order to achieve the above object, the present application provides an electromagnetic environment equivalent simulation method for radar equipment, which is applied to a radar simulation system, the method comprising: Acquiring parameter information of target equipment and parameter information of hardware equipment in a radar simulation system; Calculating to obtain equivalent power density based on the parameter information of the target equipment; Determining an equivalent simulation distance based on simulation site information corresponding to a radar simulation system and parameter information of the hardware equipment; And obtaining a target simulation parameter based on the parameter information of the hardware equipment, the equivalent power density and the equivalent simulation distance, so that the hardware equipment performs equivalent simulation of the target equipment according to the target simulation parameter. Specifically, the parameter information of the target equipment comprises the transmitting power of the target equipment, the antenna gain of the target equipment and the acting distance of the target equipment; The calculating to obtain the equivalent power density based on the parameter information of the target equipment includes: The equivalent power density is calculated by the following formula: Wherein, the Representing the said equivalent power density of the said power source,Representing the transmit power of the target equipment,Indicating the range of the target equipment,Representing the antenna gain of the target equipment. Specifically, the determining the equivalent simulation distance based on the simulation site information corresponding to the radar simulation system and the parameter information of the hardware equipment includes: according to the simulated field information, an equivalent simulation distance prediction value is obtained through presetting an equivalent simulation distance prediction model; based on the parameter information of the hardware equipment, determining a reasonable constraint range corresponding to the equivalent simulation