During convolution on a signal, why is impulse response’s flip needed during the process?
During convolution on a signal, why is impulse response’s flip needed during the process?
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During convolution on a signal, why is impulse response’s flip needed during the process?
Of course you does not have to flip one of the signals, but in that case it’s called the cross-correlation, where not only the reverse is needed, but also the complex conjugate of a signal is required. See this question and answers.