Asked by Matthew

f(t)=A[u(t)-u(t-10)], where u(t) is the unit step function. Is the energy of this signal finite? Why or why not? If it exists, find the energy of this signal.
Answered by bobpursley
the funcion is zero till time 0, becomes A, then at time 10, it becomes zero again.

the area in the curve is 10A, I am not certain how that relates to energy, it depends on what A is.
Answered by Matthew
The Energy formula is (f(t))^2 dt over the integral from t2 to t1. However, I don't know how to utilize it in this case.
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