无循环实现S变换，S变换在信号分析中十分有效，它的时空分辨率要高于小波变换，效率很高的程序-This code computes the Stockwell transform (S-Transform) of a one dimensional series without for loop, thereby making it computationally fast and simple. S-Transform was proposed in 1996. A nice tutorial

S变换，1996年Stockwell等提出，一种时频分析方法。-S-transform，rised by Stockwell in 1996， an useful method of time-frequency analysis.