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Start signal only when trigger is activated, not at the beginning of simulation

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Number seven
Number seven 2019-4-26
关闭： MATLAB Answer Bot 2021-8-20
Hi everyone,
Basically, what I want to do is to produce a combination of two signals whenever a certain trigger is activated. These two signals are two steps, where the first step occurs for around 10 samples and the second one is kept at a constant level immediately after the first one is over, i.e. after 11 samples.
I tried using an enabled system, where the hold signal is a combination of step signals that starts at value=1, goes on for 10 samples, jumps to value=2 for 1 sample and returns to value=0. In this way, the held signal is the last one read. However, I don't know how to "start" the signal only when the trigger is activated.
My question (or similar) has already been asked before, but it was 6 years ago, so maybe MATLAB has already implemented this function and I don't know of it.
Thank you!
Bernardo

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