A Pseudo-code Phase Modulation Continuous Wave Radar Interference Detection Method

A technology of interference detection and pseudo code phase modulation, applied in the field of interference detection of pseudo code phase modulation continuous wave radar

Active Publication Date: 2019-05-17
NO 54 INST OF CHINA ELECTRONICS SCI & TECH GRP
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Problems solved by technology

[0003] The invention proposes a pseudo-code phase-modulated continuous wave radar interference detection method, which utilizes the normal working data of the radar for interference detection, solves the problem that the radar can perform interference detection even if there is no rest period, and can automatically provide information in the radar working environment online in real time. Bearing and frequency information of interfering signals

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  • A Pseudo-code Phase Modulation Continuous Wave Radar Interference Detection Method
  • A Pseudo-code Phase Modulation Continuous Wave Radar Interference Detection Method

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Embodiment Construction

[0033] now attached Figure 1-2 The present invention is described in further detail.

[0034] A kind of pseudo code phase modulation continuous wave radar interference detection method, comprises the following steps:

[0035] Step 1. According to the actual situation, select the three frequency hopping modes of random frequency hopping between scans, adaptive frequency hopping between scans and adaptive frequency hopping between coherent processing frames, and set the hopping mode of the radar working center frequency point;

[0036] In the embodiment, the radar has a total of 20 possible center frequency points, and the characteristics and applicable conditions of the center frequency point hopping mode are as follows:

[0037] Random frequency hopping between scans: When the radar is just turned on or needs to know the latest working environment of the radar in the shortest time, set the frequency hopping mode to random frequency hopping between scans; the random frequency...

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Abstract

The invention discloses a pseudo-code phase-modulated continuous wave radar interference detection method, which is suitable for the detection of noise interference and adjacent unintentional interference. By automatically providing the orientation and frequency information of the interference signal in the radar working environment online in real time, it can take action for the radar. Effective anti-jamming measures provide decision-making basis. The invention utilizes the normal working data of the radar to detect the interference, and solves the problem that the radar can perform the interference detection without the rest period. Compared with the existing jamming detection method based on the radar rest period, the jamming signal can be detected all the time, and can more truly reflect the jamming situation when the radar works normally.

Description

technical field [0001] The invention relates to an interference detection method in the field of radar, in particular to a pseudo-code phase-modulated continuous wave radar interference detection method, which is suitable for the detection of noise interference and adjacent unintentional interference, and provides information on interference signals in the radar working environment automatically and online in real time Azimuth and frequency information provide decision-making basis for radar to take effective anti-jamming measures, and are of great significance for improving the performance of radar in jamming environments. Background technique [0002] At present, adaptive frequency agility technology is considered to be a relatively effective method in the field of radar to combat narrow-band targeting jamming, broad-spectrum jamming and adjacent unintentional jamming, and an important prerequisite for implementing adaptive frequency agility is jamming detection. The inter...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01S7/40G01S7/36
CPCG01S7/36G01S7/4052G01S7/4073
Inventor 洪永彬陈镜刘兵鲁振兴刘斌禄姚剑
Owner NO 54 INST OF CHINA ELECTRONICS SCI & TECH GRP
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