-7 -3 0 3 (a) (b) -20元 -10元 元 10元 20元 2π 4元 6元 8元 -8x -6 -4元 -2 -π/4 π/4 ✓ ✓ (d) 2π 1

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)
10th Edition
ISBN:9781337399128
Author:Russell E. Smith
Publisher:Russell E. Smith
Chapter4: Electric Meters
Section: Chapter Questions
Problem 23RQ: What basic concept is used in a digital meter to calculate the circuit characteristics being...
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Question

For each of the periodic signals shown, find the compact trigonometric Fourier series and sketch the amplitude and phase spectra.

-7
-3
0
3
(a)
(b)
-20元
-10元
元
10元
20元
2π
4元
6元
8元
-8x
-6
-4元
-2
-π/4
π/4
✓ ✓ (d)
2π 1
Transcribed Image Text:-7 -3 0 3 (a) (b) -20元 -10元 元 10元 20元 2π 4元 6元 8元 -8x -6 -4元 -2 -π/4 π/4 ✓ ✓ (d) 2π 1
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