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详细地研究了m阶尺度函数,特别是D(N)m,n(t)和信号的采样,零阶保持逼近。导出了信号初始近谱的计算方法。对信号的一维Malat算法的实施作了系统的讨论
The m-order scale function, especially the sampling of D (N) m, n (t) and the signal, is studied in detail. The method of calculating the initial near-spectrum of the signal is derived. The implementation of signal one-dimensional Malat algorithm is discussed systematically