Is a constant a periodic signal? Explain why it is or is not periodic and, if it is periodic what is its fundamental period?
What will be an ideal response?
A constant is periodic because it repeats for all time. The fundamental period of a periodic signal is defined as the minimum positive time in which it repeats. A constant repeats in any time, no matter how small. Therefore since there is no minimum positive time in which it repeats it does not have a fundamental period.
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