a unit amplitude square wave f(t)=1 for 0<t<T, and f(t)=-1 for -T<t<0.
there is a system which permits angular frequencies < 4 pi/T to be transmitted and >4pi/T to be absorbed.
how to find the form of lower pass filter?
a unit amplitude square wave f(t)=1 for 0<t<T, and f(t)=-1 for -T<t<0.
there is a system which permits angular frequencies < 4 pi/T to be transmitted and >4pi/T to be absorbed.
how to find the form of lower pass filter?