unit step function to mimic signal

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Weston Ayers
Weston Ayers 2019-3-31
回答： Agnish Dutta 2019-4-8
Im having issues creating my unit step to look like the signal i have it just needs a small sshift that i do not know how to do.
x = square(t-1);
y = -2*square(t-1);
unitstep = zeros(size(t));
unitstep(t>=1)=-1;

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回答（1 个）

Agnish Dutta
Agnish Dutta 2019-4-8
From what I understand, you want the falling edge of your unit step signal to coincide with that of the square wave.
If that is the case then the following fix should work:
unitstep(t>=3)=-1 % Instead of "unitstep(t>=1)=-1;".

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