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Non-cooperative game-based radar networking power control method

A non-cooperative game and radar networking technology, which is applied in the field of radar signal processing, can solve problems such as radar survival environment threats, and achieve the effect of improving radio frequency stealth performance and reducing interference

Active Publication Date: 2017-06-27
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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AI Technical Summary

Problems solved by technology

[0003] However, with the increasingly complex electromagnetic environment in today's battlefield, the passive detection system has seriously threatened and challenged the living environment of radar

Method used

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  • Non-cooperative game-based radar networking power control method
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Embodiment Construction

[0025] The invention will be described in further detail below in conjunction with the accompanying drawings.

[0026] 1. Determine channel propagation loss and target RCS (Radar Cross Section, radar cross section):

[0027] The invention proposes a non-cooperative game-based radar networking power control method. It uses the prior knowledge of the propagation loss between each radar and the target and the RCS of the target relative to each radar. Therefore, the propagation loss between each radar and the target and the RCS of the target relative to each radar should be determined first. It is assumed that the radar networking system model working in the same frequency band is as follows figure 1 shown.

[0028] 2. Determine the radiation parameters of the radar networking system and the target detection SINR (Signal-to-Interference-plus-Noise Ratio, Signal-to-Interference-plus-Noise Ratio) range and other parameters:

[0029] According to the requirements of radio frequenc...

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Abstract

The invention discloses a non-cooperative game-based radar networking power control method and belongs to the radar signal processing technical field. According to the method of the invention, propagation loss between the radars of a system and a target and the radar scattering cross sections of the target relative to each radar are obtained based on prior knowledge; with a certain target detection performance condition satisfied, the transmission power of the radars is minimized, a non-cooperative game-based radar networking power control model is established, and the model is solved through the classic Lagrangian relaxation algorithm; and after iterative calculation is performed, with the target detection performance condition satisfied, a power value represented by a symbol described in the descriptions of the invention which makes the transmission power of the radars minimum is adopted as an optimal solution, and the minimum total transmission power of a radar networking system, which complies with a constraint condition, can be obtained. With the non-cooperative game-based radar networking power control method of the invention adopted, interference between different radars in the radar networking system can be reduced, and the radio frequency stealth performance of the system can be improved with the target detection performance satisfied.

Description

technical field [0001] The invention relates to a non-cooperative game-based radar networking power control method, which belongs to the technical field of radar signal processing. Background technique [0002] The radar networking system refers to the connection of multiple transmitters, receivers and network central stations dispersedly deployed in different places into an organic whole through specific network protocols and equipment, so as to realize the collaborative work in the time domain, frequency domain and air domain, and complete the target reconnaissance, A comprehensive and integrated electronic information system with functions such as detection, intelligence collection, identification and tracking, and fire guidance. [0003] However, as the electromagnetic environment of today's battlefield becomes increasingly complex, the passive detection system makes the living environment of radar have been seriously threatened and challenged. Radio frequency stealth t...

Claims

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Application Information

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IPC IPC(8): G01S7/42
CPCG01S7/42
Inventor 时晨光汪飞李海林周建江
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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