What is the discrete-time signal obtained after sampling the analog signal x(t)=cos(2000*pi*t)+sin(5000*pi*t) at a sampling rate of 5000samples/sec?
A. cos(2.5*pi*n)+sin(pi*n)
B. cos(0.4*pi*n)+sin(pi*n)
C. cos(2000*pi*n)+sin(5000*pi*n)
D. None of the mentioned
Answer:A
What is the discrete-time signal obtained after sampling the analog signal x(t)=cos(2000*pi*t)+sin(5000*pi*t) at a sampling rate of 5000samples/sec?
A. cos(2.5*pi*n)+sin(pi*n) B. cos(0.4*pi*n)+sin(pi*n) C. cos(2000*pi*n)+sin(5000*pi*n) D. None of the mentioned
Explanation: From the given analog signal, F1=1000Hz F2=2500Hz and Fs=5000Hz