The comb filter is constructed based on Fourier kernel function

The Fourier kernel function is defined as

Its Fourier transform is

the comb filter is defined as

The bandwidth is 2k0，The center frequency is fc

How do I program that? thank you

[Walter Roberson]

Please read http://www.mathworks.com/matlabcentral/answers/6200-tutorial-how-to-ask-a-question-on-answers-and-get-a-fast-answer