A radar sorting system control method and radar sorting system

Abstract

The invention discloses a radar sorting system control method and a radar sorting system. The method includes: matching pulse description words with radiation source description words in a background library, and using the corresponding radiation source description words for pulse description words with matching results. If the verification is successful, the corresponding radiation source description word is used as the first sorting result; otherwise, the pulse description word and other pulse description words that do not have matching results are combined and sorted to obtain the corresponding The radiation source description word is used as the second sorting result, and the first sorting result and the second sorting result are combined to obtain the radiation source description word data stream; match and update the radiation source description word in the background library according to the radiation source description word data stream, Calculate the confidence of all radiation descriptors, output the radiation source descriptors whose confidence is higher than the output threshold, and delete the radiation source descriptors whose confidence is lower than the deletion threshold. The invention reduces the consumption of computing resources and improves the reporting accuracy of sorting results.

Description

technical field [0001] The invention relates to the field of radar signal processing, in particular to a radar sorting system control method and a radar sorting system. Background technique [0002] The input of the radar reconnaissance system is a dense pulse stream formed by random overlapping of many radar radiation pulses, and the output signal after front-end processing may still be a dense, overlapping pulse stream. The first signal processing function that the radar reconnaissance system should have is to automatically sort randomly overlapping signals, that is, to have the ability to de-interleave. Because only by separating the randomly overlapping pulse streams into separate pulse trains for each radar, on this basis, the signal parameters of each pulse stream can be analyzed, and then the type of radiation source can be identified and its threat level can be judged. [0003] It can be seen that signal sorting is the basis and premise of radar signal analysis and ...

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Problems solved by technology

[0007] 3. The working frequency bands of radiation sources are constantly increasing, and the working frequency bands of radiation sources in different frequency bands overlap. Based on the above reasons, the radiation sources are crowded in the airspace and parameter domains, overlap in the time domain, and the probability of arriving signals increases at the same time. For traditional receivers system challenges

However, it needs to directly sort all the pulse description words of the input signal to obtain the corresponding radiation source description words, which takes up a lot of computing resources, and stores the unmatched signals in the unknown signal database for future database expansion, which cannot be real-time Update the database, resulting in low recognition efficiency

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