Human Recognition Method Based on Multistatic Radar Micro-Doppler and Convolutional Neural Network
A convolutional neural network and human body recognition technology, applied in the field of radar target recognition, can solve problems such as difficulty in satisfying complex and diverse target recognition tasks, difficulty in making full use of correlation, etc., to alleviate echo signal differences and improve recognition accuracy , excellent performance
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[0037] The human body recognition method based on multistatic radar micro-Doppler and convolutional neural network proposed by the present invention, its flow chart is as follows figure 1 shown, including the following steps:
[0038] (1) Acquisition of known types of human body time domain echo signals:
[0039] A multistatic radar is used to collect time-domain echo signals of a known type of human body. The multistatic radar includes three receiving nodes with different positions, and the three receiving nodes simultaneously collect three-way time-domain echo signals s of the human body. 1 (t),s 2 (t),s 3 (t), where t is the acquisition time; in one embodiment of the present invention, the multistatic radar used is a chirp radar with a carrier frequency of 2.4GHz, a bandwidth of 45MHz, and a pulse repetition frequency of 5kHz, such as figure 2 As shown, it includes three nodes N1, N2, N3 arranged in a straight line at equal distances, among which N1, N2, N3 are all rec...
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