Electromagnetic target intelligent clustering method based on bispectral characteristics
A clustering method and spectral feature technology, which is applied in the field of intelligent clustering of electromagnetic targets, can solve the problems of affecting the target clustering effect and the target discrimination degree is not obvious, so as to improve the clustering accuracy, improve the processing capacity, and improve the processing performance effect
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[0030] The present invention will be further described below in conjunction with the accompanying drawings.
[0031] Such as figure 1 As shown, the present invention provides a method for intelligent clustering of electromagnetic targets based on bispectral features, and the specific process is as follows:
[0032] 1. Data preprocessing: Perform data cleaning, DC removal, and normalization preprocessing on the received intermediate frequency data to be clustered.
[0033] Data cleaning: First, data cleaning is performed on the intermediate frequency data. By setting an appropriate signal-to-noise ratio threshold, the pulse samples with low signal-to-noise ratio and incomplete collection are eliminated, and the cleaned data sample set x is obtained. step1 (n).
[0034] Data to DC: For the cleaned N-point intermediate frequency data x step1 (n)=[x 1 ,x 2 ,...x N ],n=1,2,...N to be summed to obtain the sequence and value Then divide this sum by the total number of data to...
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