中文说明：华中科技大学信号与系统实验教程。介绍了信号的合成与分解，傅里叶级数、傅里叶变换，拉普拉斯变换与小波变换的实现代码，具有GUI的界面。
English Description：
Signal and system experiment course of Huazhong University of science and technology. Introduced the signal synthesis and decomposition, Fourier series, Fourier transform, Laplace transform and wavelet transform implementation code, with GUI interface.