数字信号处理，离散时间系统的相位、结构与状态变量描述典型题，能更好的理解离散时间系统-Digital signal processing, discrete-time systems the phase, structure and state-variable descr iption of a typical question, can a better understanding of discrete-time systems

离散傅里叶变换的matalb源代码，帮助理解数字信号处理的实现！-Discrete Fourier Transform matalb source. To help understanding of the digital signal processing implementation.