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Q2) A signal m(t) has a Fourier transform 1. fi < Ifl < f2. fi = 1 kHz ; f2 = 10 kHz %3D M(f) 0. Elsewhere Suppose we form a signal y(t) = m(t) cos 2n(106)t. Find the range of frequencies for which y(t) has nonzero spectral components. Also find the ratio of the highest to lowest frequencies [ for which | Y(f)|# 0] of y(t). Compare this ration with f2/f1. Is y(t) a narrowband signal ? ( A bandpass signal is said to be narrow band signal if fnigh/flow «1).

Q2) A signal m(t) has a Fourier transform 1. fi < Ifl < f2. fi = 1 kHz ; f2 = 10 kHz %3D M(f) 0. Elsewhere Suppose we form a signal y(t) = m(t) cos 2n(106)t. Find the range of frequencies for which y(t) has nonzero spectral components. Also find the ratio of the highest to lowest frequencies [ for which | Y(f)|# 0] of y(t). Compare this ration with f2/f1. Is y(t) a narrowband signal ? ( A bandpass signal is said to be narrow band signal if fnigh/flow «1).

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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Q2) A signal m(t) has a Fourier transform 1. fi < Ifl < f2. fi = 1 kHz ; f2 = 10 kHz %3D M(f) 0. Elsewhere Suppose we form a signal y(t) = m(t) cos 2n(106)t. Find the range of frequencies for which y(t) has nonzero spectral components. Also find the ratio of the highest to lowest frequencies [ for which | Y(f)|# 0] of y(t). Compare this ration with f2/f1- Is y(t) a narrowband signal ? ( A bandpass signal is said to be narrow band signal if fnigh/flow «1).
Transcribed Image Text:Q2) A signal m(t) has a Fourier transform 1. fi < Ifl < f2. fi = 1 kHz ; f2 = 10 kHz %3D M(f) 0. Elsewhere Suppose we form a signal y(t) = m(t) cos 2n(106)t. Find the range of frequencies for which y(t) has nonzero spectral components. Also find the ratio of the highest to lowest frequencies [ for which | Y(f)|# 0] of y(t). Compare this ration with f2/f1- Is y(t) a narrowband signal ? ( A bandpass signal is said to be narrow band signal if fnigh/flow «1).
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