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利用 Ｍｅｌｌｉｎ变换推导了连结小波函数的频域表达式，提出了一种分析非平稳性振动信号的连续小波变换快速算法。介绍了该算法的基本原理、特点及应用，并结合工程实例说明了它的使用效果。
The frequency domain expression of the connected wavelet function is deduced by using Mellin transform. A fast continuous wavelet transform algorithm for analyzing the nonstationary vibration signal is proposed. The basic principle, characteristics and application of this algorithm are introduced. And its application effect is illustrated with engineering examples.