Which is the correct mathematical expression of the signal in the figure? 0.4 -0.4 10 20 30 40 50 60 70 80 n 2Tn 2Tn (a) xn = :0.4 sin 20 (b) xn = 0.4 sin 40 2Tn (c) In 0.8 sin (d) xn = 0.8 sin 20 40
Which is the correct mathematical expression of the signal in the figure? 0.4 -0.4 10 20 30 40 50 60 70 80 n 2Tn 2Tn (a) xn = :0.4 sin 20 (b) xn = 0.4 sin 40 2Tn (c) In 0.8 sin (d) xn = 0.8 sin 20 40
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:Which is the correct mathematical expression of the signal in the figure?
0.4
-0.4
10
20
30
40
50
60
70
80
2πη
2πη
(a)
0.4 sin
20
(b) Xn
0.4 sin
Xn
40
2Tn
2Tn
(c) xn = 0.8 sin
20
(d) xn = 0.8 sin
40
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