目录1引言.............................................................................................................................12基于MATLAB的FFT算法实现..............................................................................22.1系统总体流程图...............................................................................................22.2FFT运算规律及编程思想...............................................................................32.2.1语音信号的采集.....................................................................................32.2.2DIT-FFT算法的基本原理......................................................................32.2.3DIT-FFT算法的运算规律及编程思想..................................................53Matlab程序实现.......................................................................................................104系统人机对话界面...................................................................................................134.1GUI简介.........................................................................................................134.2界面设计.........................................................................................................134.3运行调试.........................................................................................................145心得体会...................................................................................................................16参考文献......................................................................................................................17附录Ⅰ..........................................................................................................................18附录Ⅱ..........................................................................................................................21课程设计说明书1引言MATLAB是矩阵实验室（MatrixLaboratory）的简称，是美国MathWorks公司出品的商数学软件，用于算法开发、数据可视化、数据分析以及数值计算...
