Multi-dimensional parameter pre-sorting method for radar pulse signals

A radar pulse and pre-sorting technology, used in radio wave measurement systems, instruments, etc., can solve the problems of poor separation between radar signal characteristic parameters, lack of high-speed real-time processing data, and lack of real-time sorting capabilities. Real-time sorting, reducing computational complexity, and avoiding the effect of splitting sequences

Active Publication Date: 2019-01-25
10TH RES INST OF CETC
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Problems solved by technology

This type of algorithm can adapt to higher density radar pulse streams, but due to the poor separation ability between radar signal characteristic parameters, in the case of measurement errors, it is impossible to completely and accurately divide all radar signals into corresponding classes. In the case of individual pulse signals being wrongly divided
In addition, the cl

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  • Multi-dimensional parameter pre-sorting method for radar pulse signals

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Embodiment Construction

[0015] refer to figure 1 . According to the present invention, the technical solution of the present invention is a multi-dimensional parameter pre-selection method for radar pulse signals, which has the following technical features: for the dense overlapping pulses output by the receiver, the pulses are divided into multiple groups of pulse trains, and the In the multi-dimensional space of CF, angle of arrival DOA and variable pulse width PW, respectively count the number of pulses corresponding to each CF, PW and DOA to make a histogram; then use the multi-dimensional histogram to count the parameter distribution characteristics of the pulse, and according to the distribution characteristics of the parameters, realize Automatic grouping of pulse data to achieve pre-sorting of radar pulses; when performing multi-dimensional histogram statistics, use the orthogonality of radar pulses in DOA, CF, and PW spaces to convert multi-dimensional histogram statistics into multiple one-...

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Abstract

The invention discloses a multi-dimensional parameter pre-sorting method for radar pulse signals, and aims at providing a method which is fast and rapid, has small computing amount and can realize efficient pulse pre-sorting. The multi-dimensional parameter pre-sorting method is implemented by the technical schemes of: dividing a pulse into multiple groups of pulse trains for dense overlapping pulses output by a receiver, and counting a pulse number corresponding to each CF, PW and DOA to draw a histogram; utilizing the multi-dimensional histogram to count parameter distribution characteristics, and automatically grouping pulse data, so as to realize pre-sorting of radar pulses; and utilizing orthogonality of the radar pulses in DOA, CF, and PW pre-sorting spaces to convert the multi-dimensional histogram statistics into a plurality of one-dimensional histogram when making multi-dimensional histogram statistic, and carrying out parameter estimation successively; and looking for discontinuous regions in parameter distribution according to the parameter statistical result, and regarding GAP regions as break points of the corresponding parameters, thereby realizing automatic classification of different parameters.

Description

technical field [0001] The invention relates to a pre-sorting technology for realizing pulse dilution in the application of radar pulse sequence sorting. It uses the orthogonality of pulse carrier frequency, pulse width, and direction of arrival, and uses multi-dimensional histograms to realize rapid grouping of pulse sequences in complex scenarios, thereby reducing the pulse density of the main sorting program and improving the success rate of sorting. Background technique [0002] Radar radiation source identification is the basis of target determination in electronic countermeasures and radar warning detection, and is a key technology in electronic intelligence reconnaissance systems and electronic support systems, and plays an important role in modern high-tech warfare and future information warfare. Radar radiation source identification includes pulse parameter measurement, radar pulse sorting, and radiation source feature database matching. Among them, the pulse param...

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Application Information

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IPC IPC(8): G01S7/292
CPCG01S7/292
Inventor 李向阳管金称李佳洋
Owner 10TH RES INST OF CETC
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