多功能读入MATLAB的函数，可定义其参数-A signal object contains signal data, that is a collection of real or complex valued samples. A signal can be one or multi-dimensional. The number of dimensions is the number of axes that are needed to describe

This scr ipt take the image of the parameter one, resize and resample this and save the resampled image in the dir of parameter 2, the third parameter is for set the dimensions (you should change this in the scr ipt code.