aperham
Newbie level 5
show that below equivalent has any quantity between (-fc) and (fc):an upper band filter.
y=[e^x'(t)][cos(wt+x(t)]
w=2πfc and x'(t) is the hilbert transformation of x(t).
y=[e^x'(t)][cos(wt+x(t)]
w=2πfc and x'(t) is the hilbert transformation of x(t).