mod_mpsk_020530b.m

2ask,4ask,2fsk,4fsk,2psk,4psk,16qam,gmsk,msk,pi/4qpsk,oqpsk.11种数字信号的生成。

function y = mod_mpsk_020530b (x,n,M)

global k Fc Fd Fs n Fs_n;

% PSK2 Modulation Procedure
if M == 2
    y = cos(2*pi*Fc*n + pi*x -pi/2);
end

if M == 4
    y = cos( 2*pi*Fc*n + pi/2 *x + pi/4);   %% (1,3,5,7)*pi/4 
end