快速傅立叶变换的matlab算法实现。（是一个按照时间抽取的基-2快速傅里（基-2 FFT-DIT）。输入倒位序，输出自然顺序。-Fast Fourier Transform algorithm matlab. (Which is a time of extraction in accordance with the base-2 Fast Fu-ri (base-2 FFT-DIT). Enter the inversion sequence, the output of natural or

在Matlab中设计GUI，并将源码作为主界面的回调函数，按下相应的按钮实现相应的功能，包含信号的产生，卷积，傅里叶变换等功能，具体每个模块的功能实现请参照我上传的其他几个源码，谢谢。-Design of GUI in Matlab, and source as the callback function of the main interface, press the corresponding button to achieve the corresponding functions, in

课程设计时编写的matlab程序代码，用平面波展开法计算二维声子晶体带隙,使用拉亚普诺夫指数的公式。- Course designed to prepare the matlab program code, Computation Method D phononic bandgap plane wave, Raya Punuo Fu index using the formula.