Q1: Refer to Fig. 1, Fig. 2 and Fig. 3: a. Find exponential Fourier series and sketch the corresponding spectra of the periodic impulse train &, (t) shown In Fi b. Find the Fourier transform of the periodic impulse train &T, (t) shown In Fig. 1. c. Refer to Fig. 2, write a mathematical expression for the signal g(t). d. Find the G(f). e. If the spectrum G(f) of the signal g(t) is as shown in Fig. 3, sketch the spectrum of G(f). |8r. (t) -||||||||| 1 2 1.5 - 1 -0.5 0.5 1.5 2 t(us) - Fig. 1 Multiplier g(t) g(t) -1 f (MHz) Sr. (t) Fig. 3 Fig. 2

Q1: Refer to Fig. 1, Fig. 2 and Fig. 3: a. Find exponential Fourier series and sketch the corresponding spectra of the periodic impulse train &, (t) shown In Fi b. Find the Fourier transform of the periodic impulse train &T, (t) shown In Fig. 1. c. Refer to Fig. 2, write a mathematical expression for the signal g(t). d. Find the G(f). e. If the spectrum G(f) of the signal g(t) is as shown in Fig. 3, sketch the spectrum of G(f). |8r. (t) -||||||||| 1 2 1.5 - 1 -0.5 0.5 1.5 2 t(us) - Fig. 1 Multiplier g(t) g(t) -1 f (MHz) Sr. (t) Fig. 3 Fig. 2

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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Q1: Refer to Fig. 1, Fig. 2 and Fig. 3: a. Find exponential Fourier series and sketch the corresponding spectra of the periodic impulse train &r, (t) shown In Fig.1. b. Find the Fourier transform of the periodic impulse train 87, (t) shown In Fig. 1. c. Refer to Fig. 2, write a mathematical expression for the signal g(t). d. Find the G(f). e. If the spectrum G(f) of the signal g(t) is as shown in Fig. 3, sketch the spectrum of G(f). 87, (t) 1 2 1.5 -1 - 0.5 0.5 1.5 t(µs) → Fig. 1 GS) Multiplier g(t) g(t) -1 1 f (MHz) ST. (t) Fig. 3 Fig. 2
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Sketch the amplitude spectra in detail :(in frequency domain) the signals a(t), b(t) and c(t) in the block diagram, respectively. Label the amplitude spectra of the frequency axis in kHz; not
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Q1. A periodic function is represented by a Fourier series that has a finite number of terms. The amplitude and phase spectra are shown in Fig. Q1(a) and (b), respectively. a) Write the expression for the function using the trigonometric form. b) Is the function an even, odd function or half-wave symmetry? c) Calculate the rms value d) Write the exponential form of the Fourier series. e) Using MATLAB, plot the periodic signal. An 0.25 0.38 0.16 0.11 0.08 0.06 0.05 0 п 2п 3п 4п 5п бп (a) W Figure Q1 270° 180° 90° 237.8° 90°º 258° 262.7° 90° 90° 0 п 2п 3п 4п 5п бп (b) (0)