Radar radiation source signal depth pulse internal feature automatic extraction method
A radar signal, automatic extraction technology, applied in the direction of instruments, biological neural network models, calculations, etc., can solve the problems of insufficient objectivity, achieve the effect of clear classification boundaries, high accuracy rate, and enhanced linear separability
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[0036] The technical solution of the present invention will be further described below in conjunction with embodiments.
[0037] First, the autoencoder framework is analyzed, and then the SAE is obtained by imposing specific sparsity constraints. Finally, the sparse autoencoder is optimized and its training scheme is determined, and the deep intra-pulse features of the radar signal are automatically extracted using the coding layer parameters.
[0038] When optimizing the deep autoencoder for extracting intra-pulse features, you first need to add sparse constraints to the deep autoencoder, then increase the number of hidden layers and neurons, adjust the distribution of hidden layer nodes and change the weights The basic framework of DAE is optimized based on the sharing method of DAE; finally, the appropriate cost function and its optimization strategy are selected according to the needs of different tasks, the hidden layer quality factor and the performance index of systematic par...
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