Dsp的Fir，IIr，FFT变换，考式用的，精简的-Dsp of Fir, IIr, FFT transform, test type used to streamline the

包括信号系统和系统响应，FFT谱分析，双线性法设计IIR数字滤波器，窗函数法设计FIR数字滤波器，四部分matlab仿真程序，以及必要的说明。-Including the signal system and the system response, FFT spectrum analysis, bilinear Design of IIR digital filters, window function method for the design FIR digital filters, fou

基本的数字信号处理程序。包括基本幅频相频特性，快速fft，ifft，iir滤波器，fir滤波器等。-Basic digital signal processing. Including basic amplitude-frequency phase-frequency characteristics, fast fft, ifft, iir filter, fir filters.