Abstract:Having analysed the requirement that convolution characteristic system requires amplitude and phase spectra of input signals to satisfy, as well as the characteristics of amplitude and phase spectra of actual signals, the author put forward the concept of normalization of amplitude and phase spectra, and painted out that the logarithmic derivative method far calculating complex cepstrum is used on condition that an input time series is a normalized series, namely, a series whose amplitude and phase spectra are normalized, The normalized hamomarphic filtering system far convolution can be generalized into a practical one, This paper also gives the realization approach, it not only perfects the theory of hamamarphic deconvalutian but also favours practice.
收稿日期: 1987-03-05
引用本文:
陈伟钟. 论褶积同态滤波系统——澄清同态反滤波文献中的一些问题[J]. 石油地球物理勘探, 1988, 23(2): 241-253.
Chen Weizhong. on homomorphic filtering system for convolution——Clarifying some problems in papers relating to homomorphic decovolution. OGP, 1988, 23(2): 241-253.