Networking radar optimal waveform design method based on low interception performance under game condition

A networked radar and waveform design technology, applied to radio wave measurement systems, instruments, etc., can solve problems such as not considering the optimal waveform design

Pending Publication Date: 2020-10-23
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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Problems solved by technology

However, the existing research results have not considered the optimal waveform design based on low intercept performance under the condition of binary zero-sum game between networked radar and jamming...

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  • Networking radar optimal waveform design method based on low interception performance under game condition
  • Networking radar optimal waveform design method based on low interception performance under game condition
  • Networking radar optimal waveform design method based on low interception performance under game condition

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Embodiment Construction

[0045] The present invention will be described in detail below in conjunction with specific embodiments.

[0046] The optimal waveform design method of netted radar based on low intercept performance under game conditions of the present invention includes the following steps:

[0047] 1. Obtain a priori information about the target and environment;

[0048] Assume that the intelligent jamming system is carried by an enemy target. Under the condition of a binary zero-sum game between the radar system composed of M radar nodes and the enemy’s interference, the frequency response H of the target at frequency f relative to radar i is obtained according to the battlefield prior information i (f). The environmental clutter power spectral density S corresponding to radar i at frequency point f cc,i (f) and the environmental noise power spectral density S corresponding to radar i at frequency f nn,i (f).

[0049] 2. Determine the radiation parameters of the networked radar system and the in...

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Abstract

The invention discloses a networking radar optimal waveform design method based on low interception performance under a game condition. The method comprises the following steps of: firstly, acquiringfrequency response of a target relative to each radar node in a networking radar system, environmental clutter power spectral density, interference waveform and environmental noise power spectral density; secondly, establishing a networking radar optimal waveform design model based on low interception performance under a game condition by taking the minimized total radiation energy of the networking radar system under the game condition as an optimization target and taking a preset target parameter estimation performance mutual information threshold value as a constraint condition, and adaptively and optimally designing a transmitting waveform of each radar node; and iteratively solving the optimization model using a Karush-Kuhn-Tucker necessary condition to obtain each radar emission waveform as an optimal solution under the condition of meeting the preset target parameter estimation performance. Therefore, the low interception performance of the networking radar system under a binaryzero-sum game condition is effectively improved under the condition of meeting the preset target parameter estimation performance constraint.

Description

Technical field [0001] The invention relates to radar signal processing technology, in particular to a method for designing an optimal waveform of a netted radar based on low interception performance under game conditions. Background technique [0002] On the modern battlefield, Electronic Intelligence (ELINT), Electronic Support Measures (ESM), Radar Warning Receiver (RWR), Anti-Radiation Missile (ARM), etc. Advanced passive detectors are widely used to obtain information such as the position and attributes of combat platforms by receiving electromagnetic waves radiated by radars, and they do not need to radiate electromagnetic waves themselves. They have the characteristics of long range and strong concealment, which seriously threaten the radar system. Battlefield survivability. Therefore, the research of low interception technology must be emphasized and applied in practice. [0003] The networked radar system has the characteristics of discrete spatial distribution. It can e...

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Application Information

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IPC IPC(8): G01S7/38
CPCG01S7/38Y02T10/40
Inventor 时晨光丁琳涛王奕杰
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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