4) The pulsed cosine signal shown in the following figure is "on" for two cycles and then "off"for a period of time equivalent to 18 cycles of the cosine wave. The signal is periodic and thefrequency of the cosine wave is 200 rad/s.A01020190 200 101 (ms)a) Sketch the frequency spectrum for this signal.b) How would the frequency spectrum change if the frequency of the cosine wave wasdoubled?c) How would the frequency spectrum change if the "off" time was halved?

Frequency Spectrum: No of cycle 18, frequency=200pi rad/sec limit -10 to 10 To find: Sketch…

4) The pulsed cosine signal shown in the following figure is "on" for two cycles and then "off" for a period of time equivalent to 18 cycles of the cosine wave. The signal is periodic and the frequency of the cosine wave is 200 rad/s. JOA N -10 10 1 20 2150 200 10 t (ms) a) Sketch the frequency spectrum for this signal. b) How would the frequency spectrum change if the frequency of the cosine wave was doubled? c) How would the frequency spectrum change if the "off" time was halved?

4) The pulsed cosine signal shown in the following figure is "on" for two cycles and then "off" for a period of time equivalent to 18 cycles of the cosine wave. The signal is periodic and the frequency of the cosine wave is 200 rad/s. JOA N -10 10 1 20 2150 200 10 t (ms) a) Sketch the frequency spectrum for this signal. b) How would the frequency spectrum change if the frequency of the cosine wave was doubled? c) How would the frequency spectrum change if the "off" time was halved?

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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