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A signal m(t) with bandwidth 500 Hz is first multiplied by a signal g(t) where . The resulting signal is then passes through an ideal low pass filter with bandwidth 1 kHz the output of the low pass filter would be
  • a)
    δ(t)
  • b)
    m(t)
  • c)
    0
  • d)
    m(t) δ(t)
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
A signal m(t) with bandwidth 500 Hz is first multiplied by a signal g(...
Multiplication in time domain is equivalent to convolution. According to the property of impulse signal, convolution of a signal m(t) with δ(t) is signal itself.
m(t) x g(t)
m(t).
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Most Upvoted Answer
A signal m(t) with bandwidth 500 Hz is first multiplied by a signal g(...
Multiplication in time domain is equivalent to convolution. According to the property of impulse signal, convolution of a signal m(t) with δ(t) is signal itself.
m(t) x g(t)
m(t).
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Community Answer
A signal m(t) with bandwidth 500 Hz is first multiplied by a signal g(...
Multiplication in time domain is equivalent to convolution. According to the property of impulse signal, convolution of a signal m(t) with δ(t) is signal itself.
m(t) x g(t)
m(t).
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