A Satellite Target Recognition Method Based on Broadband Radar Data and Gru Neural Network
A broadband radar and neural network technology, applied in the field of satellite target recognition, can solve problems such as weak generalization ability, large uncertainty, and difficulty in effectively describing radar HRRP characteristics, so as to improve accuracy, improve recognition rate, reduce Search scope and calculated effects
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[0039] The embodiment of the present invention provides ten kinds of satellite target recognition based on broadband radar data and GRU neural network. Each satellite target has 70,000 pieces of HRRP data, and the dimension of each piece of HRRP data is 300. Since the radar observation angle does not change much in a relatively short period of time, for the sake of convenience, it is assumed that the 700 consecutive HRRP data have the same radar observation angle. figure 1 The flowchart of satellite target recognition method based on broadband radar data and GRU neural network proposed by the present invention is given.
[0040] Such as figure 1 As shown, Embodiment 1 of the present invention provides a satellite target recognition method based on broadband radar data and GRU neural network, including:
[0041] Step 1. Preprocessing the broadband radar HRRP data, the preprocessing includes envelope alignment and amplitude normalization. The preprocessing steps include: perfo...
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