loweq.m

来自「这是关于模拟调制的MATLAB源代码」· M 代码 · 共 8 行

function x1=loweq(x,ts,f0)
%          x1=loweq(x,ts,f0)
%LOWEQ  Return the lowpass equivalent of the signal x.
%       f0 is the center frequency
%       ts is the sampling interval
t=[0:ts:ts*(length(x)-1)];
z=hilbert(x);
x1=z.*exp(-j*2*pi*f0*t);