Multi-mode radar signal sorting method based on data field hierarchical clustering

A radar signal sorting and hierarchical clustering technology, applied in the direction of radio wave measurement systems, instruments, etc., to achieve the effect of high sorting accuracy

Active Publication Date: 2015-10-28
HARBIN ENG UNIV
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Problems solved by technology

[0003] The purpose of the present invention is to provide a multi-mode radar signal sorting method based on data field hierarchical clustering for existing sorting methods with "increased batches"

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  • Multi-mode radar signal sorting method based on data field hierarchical clustering
  • Multi-mode radar signal sorting method based on data field hierarchical clustering
  • Multi-mode radar signal sorting method based on data field hierarchical clustering

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Embodiment Construction

[0029] The present invention will be further described in detail below in conjunction with the drawings and specific embodiments.

[0030] With reference to the drawings, the present invention provides a multi-mode radar signal sorting method based on hierarchical clustering of data fields, which mainly includes the following steps:

[0031] Step 1: Randomly extract the multi-mode radar signal from the multi-mode radar signal sample set D to establish a data space Ω, and the multi-mode radar signal sample set is D consisting of the radar signal arrival direction DOA, pulse width PW, and carrier frequency RF. The feature parameter composition, the extracted data set contained in the data space Ω D'= {x 1 ,x 2 ,...,X i ,...,X n }, where data point x i , I=1~n,

[0032] The formula for calculating the potential value of the data point x in the data space Ω is:

[0033] φ ( x ) = 1 n X i = 1 n e - ( | | x - x i | | σ ) ...

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Abstract

The invention provides a multi-mode radar signal sorting method based on data field hierarchical clustering. The multi-mode radar signal sorting method includes steps: building a data field model according to intercepted radar sample signals; optimizing influence factors of a data field, dividing grids, and drawing equipotential lines; searching potential values of a data space by employing an elimination potential method; and performing hierarchical clustering of radar signal characteristic parameters regarding all the potential values of the data space as the clustering center, and accomplishing the sorting of the multi-mode radar signals. According to the method, based on the characteristic parameters of the multi-mode radar signals, the sorting of the multi-mode radar signals is accomplished according to the data space property formed by the multi-mode radar signal parameters, the problem that matching increase frequently occurs during the sorting of the multi-mode radar signals is well solved, and the sorting precision is high.

Description

Technical field [0001] The invention relates to the field of radar countermeasure information processing, in particular to a multi-mode radar signal sorting method based on data field hierarchical clustering. Background technique [0002] "Multimode radar" refers to a new type of radar that integrates multiple system radar functions, has multiple working modes, and can complete multiple combat missions at the same time. In order to improve performance and meet the needs of anti-interference, multimode radars often use more complex With variable waveform design, the frequency and time domain parameters of the radar launch pulse undergo complex changes. The characteristic parameters of the radar signal are complex and changeable, and do not have obvious correlation and regularity. With modern warfare, anti-reconnaissance and anti-jamming , The demand for anti-tracking capabilities and comprehensive combat capabilities has increased, and the application of multimode radars has becom...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S7/02
CPCG01S7/02
Inventor 国强戚连刚宋文明南普龙
Owner HARBIN ENG UNIV
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