综合运用信号与系统、数字信号处理的理论知识进行频谱分析和滤波器设计，通过理论推导得出相应结论，再利用MATLAB作为编程工具进行计算机实现从而加深对所学知识的理解，建立概念。-The integrated use of signals and systems, digital signal processing theory of knowledge spectrum analysis and filter design, the corresponding results obtained t

基于MATLAB的时域采样以及频谱分析，对初学者很有用-MATLAB-based time domain sampling and spectral analysis, is useful for beginners

基于matlab对语音信号的分析，利用各种滤波器，频谱分析等功能。-Based on matlab analysis of speech signals, using various filters, spectral analysis and other functions.

图像频谱分析MATLAB程序，适合于所有需要的波形-Image spectrum analysis MATLAB program