小波变换和motion信号处理(一)
小波变换和motion信号处理(二)
小波变换和motion信号处理(三)
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en.wikipedia.org
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In mathematics, a wavelet series is a representation of a square-integrable (real- or complex-valued) function by a certain orthonormal series generated by a wavelet. This article provides a formal, mathematical definition of an orthonormal wavelet and of the integral wavelet transform. A function ψ ∈ L 2 ( R ...