gusucode.com > 基于4PAM调制性能误码率仿真源码程序 > 基于4PAM调制性能误码率仿真源码程序/srrc_fir.m

    function h=srrc_fir(a,N,Fs,T)
% FIR SRRC filter
% h=srrc_fir(a,N,Fs,T)
% a: roll-off factor
% N: filter delay in symbol period T
% Fs: samples/symbol
% T: symbol period

% Create a square root raised cosine filter.
h = rcosine(1/T,Fs,'fir/sqrt',a,N);