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A method and system for visual analysis of radar emitter signals

A radiation source and radar technology, applied in the field of signal processing, can solve problems such as the difficulty of complete waveform characteristics

Active Publication Date: 2021-05-07
NAT UNIV OF DEFENSE TECH
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  • Description
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Problems solved by technology

[0003] Among the many technologies for analyzing and processing radar radiation source characteristic data, the current commonly used methods mostly rely on the accurate extraction of radar subtle features. It is becoming more and more difficult to capture the complete waveform characteristics

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  • A method and system for visual analysis of radar emitter signals
  • A method and system for visual analysis of radar emitter signals
  • A method and system for visual analysis of radar emitter signals

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Embodiment Construction

[0022] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0023] At present, the visualization analysis methods for radar radiation sources mainly include the time-frequency diagram analysis method based on intra-vein feature analysis and the plane transformation method based on inter-pulse parameter feature analysis.

[0024] Time-Frequency Diagram Analysis

[0025] As a signal processing technology, time-frequency distribution can convert one-dimensional radiation source signal into two-dimensional time-frequency signal, which can not only reflect the distribution ...

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Abstract

The invention provides a method and system for visually analyzing radar radiation source signals. Wherein the method includes: step S1, receiving the radar emitter signal, and performing preprocessing on the radar emitter signal, to remove the abnormal value in the radar emitter signal; step S2, calculating the radar emitter signal Radar parameters, and extract the distribution probability between the minimum value and the maximum value of the radar parameter; step S3, determine the grayscale matrix of the distribution probability, so that the grayscale matrix corresponds to the color feature; and step S4. Visualize the radar radiation source signal based on the corresponding grayscale matrix and the color feature, and perform optimization processing on the visualized feature map, where the optimization processing includes generating an interval boundary.

Description

technical field [0001] The invention relates to the field of signal processing, in particular to a method and system for visually analyzing radar radiation source signals. Background technique [0002] The ability to accurately and timely analyze radar radiation sources has always been the bottleneck restricting the effectiveness of battlefield situation generation, airborne mission equipment alarms, and electronic interference. At present, with the rapid development of radar technology and radar signal detection technology, on the one hand, the new system radar is widely used, the waveform law of radar is more and more complex, and the anti-interception ability is getting stronger and stronger. On the other hand, the radar signal detection technology is advancing by leaps and bounds, the sensitivity is getting higher and higher, the instantaneous bandwidth is getting wider and wider, and the amount of data collected per unit time is increasing, especially for weapon systems...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01S7/41
CPCG01S7/41
Inventor 王军王海唐波毛毅安永旺孟祥豪黄中瑞张峻宁
Owner NAT UNIV OF DEFENSE TECH
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