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本文从PDA信号的基本特征出发,提出了基于小波变换思想的PDA信号处理方法,以小波系数表征信号的时-频特性,可同时实现PDA信号的识别和参数提取.
In this paper, based on the basic characteristics of PDA signal, a PDA signal processing method based on wavelet transform is proposed. The time-frequency characteristics of signal are represented by wavelet coefficients, which can simultaneously identify and extract PDA signal.