how to perform time scaling( expansion and compression ) on continuous and bounded signal?
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a matlab code to perform time scaling( expansion and compression ) on continuous and bounded signal?
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Daniel kiracofe
2016 年 11 月 13 日
well to give a proper answer, we need more information about what you are trying to do. But in the general sense, a signal in matlab is usually just a representated vector, and the time information is usually a separate vector. e.g.
t=0:0.001:10;
signal = sin( 10 * 2 * pi * t);
plot(t, signal);
So to do scaling on the time, you don't have to touch the signal vector, just scale the time vector. e.g. tscale=t*2, or tscale=t/2 or whatever you want.
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