Unsupervised radar signal sorting method based on deep clustering
A radar signal sorting and radar signal technology, applied in neural learning methods, radio wave measurement systems, instruments, etc., can solve problems such as difficulty in unsupervised identification technology, and achieve the effect of accuracy assurance
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[0018] The technical solutions of the present invention will be described in detail below in conjunction with the accompanying drawings and preferred embodiments.
[0019] The present invention combines deep learning theory and time series data clustering technology, and proposes an unsupervised radar signal sorting method based on deep clustering. This method needs to solve two core problems: an effective dimension reduction method and selecting an appropriate similarity measure.
[0020] The first is an effective dimensionality reduction method. Currently, there are two main methods for extracting features that reflect the changing trend of time series: signal analysis and dimensionality reduction. Signal analysis methods include discrete Fourier transform, discrete wavelet transform, etc.; dimensionality reduction methods include piecewise linear representation, adaptive piecewise constant approximation, symbolic representation, singular value decomposition, etc. Dimensio...
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