借助MATLAB实现高通数字滤波器的设计-Using MATLAB to achieve high-pass digital filter design

matlab programs for image compression,jpeg,sum of sinusoidals,characteristics of analog lpf/hpf,n point fft

Write MATLAB code that will perform frequency domain filtering using, (a) Ideal LPF. (b) Butterworth LPF. (c) Gaussian LPF. (d) Ideal HPF. (e) Butterworth HPF. (f) Gaussian HPF. (g) Homomorphic filtering.