A signal m(t) with bandwidth 500 Hz is first multiplied by a signal g(t). The resulting signal is passed through an ideal low pass filter with bandwidth 1 kHz. The output of the low pass filter would be :
A. Impulse
B. m(t)
C. 0
D. m(t)del(t)
Answer:C
A signal m(t) with bandwidth 500 Hz is first multiplied by a signal g(t). The resulting signal is passed through an ideal low pass filter with bandwidth 1 kHz. The output of the low pass filter would be :
A. Impulse B. m(t) C. 0 D. m(t)del(t)
Explanation: m (t) g (t)->M (f)*G (f)