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Multi-station radar signal fusion detection method based on Bhattacharyachian distance quantification

A technology of Bhattacharyachian distance and radar signal, applied in the field of radar, can solve the problems of large loss of detection performance and poor optimization of quantization threshold, etc., and achieve the effect of reducing communication bandwidth

Active Publication Date: 2018-11-09
XIDIAN UNIV +1
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Problems solved by technology

However, the existing multi-station radar quantization fusion detection algorithm has problems such as large detection performance loss and poor quantization threshold optimization, which need further research

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  • Multi-station radar signal fusion detection method based on Bhattacharyachian distance quantification
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  • Multi-station radar signal fusion detection method based on Bhattacharyachian distance quantification

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Embodiment Construction

[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. 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.

[0022] The embodiment of the present invention provides a multi-station radar signal fusion detection method based on Bhattacharyachian distance quantification, such as figure 1 As shown, the method includes the following steps:

[0023] Step 1, setting up a multi-station radar system, the multi-station radar system includes a signal fusion detection center and N radar stations.

[0024] Specifically, given a multi-station radar system, the multi-station rada...

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Abstract

The invention belongs to the technical field of radar technology and discloses a multi-station radar signal fusion detection method based on Bhattacharyya distance quantization, and the communication bandwidth between radars and a signal fusion center in multi-station radar signal fusion detection can be reduced. The method comprises a step of setting a multi-station radar system which comprises a signal fusion detection center and N radar stations, a step of determining the quantization bit b of each radar station to a received echo signal and obtaining a quantization interval number M=2b according to the quantization bit b, a step of carrying out quantization of the received echo signal by each radar station, determining the quantization interval to which a quantized signal belongs, and transmitting a label number corresponding to the quantization interval to the signal fusion detection center, and a step of setting an expected false alarm probability, wherein the signal fusion detection center detects a target according to the expected false alarm probability and the label number corresponding to each quantization interval sent by N radar stations.

Description

technical field [0001] The invention relates to the field of radar technology, in particular to a multi-station radar signal fusion detection method based on Bhattachary distance quantification, which can be used to reduce the communication bandwidth between the radar and the signal fusion center in the multi-station radar signal fusion detection. Background technique [0002] A multi-station radar network consists of a signal fusion center and multiple radar stations. Compared with single radar, multi-station radar network has the advantages of larger detection range, higher positioning accuracy, stronger survivability and stronger anti-jamming ability. Therefore, the research of multi-station radar network has become a new research hotspot. In the research of multi-station radar network, the signal fusion detection method of multi-station radar is an important research direction. [0003] According to the existing research, the signal fusion detection methods of multi-st...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01S13/87G01S13/04G01S7/292G01S7/35
CPCG01S7/2927G01S7/354G01S13/04G01S13/87
Inventor 周生华刘宏伟臧会凯左林虎曹运合纠博
Owner XIDIAN UNIV
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