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What is the fundamental frequency of discrete –time wave shown in fig a?

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in Signals and Systems by (1.2m points)
What is the fundamental frequency of discrete –time wave shown in fig a?

(a) π/6

(b) π/3

(c) 2π/8

(d) π

This question was addressed to me in semester exam.

My question comes from Classification of Signals topic in chapter Signals and Systems Basics of Signals and Systems

1 Answer

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The correct choice is (b) π/3

Best explanation: Omega = 2* π / N. In the given example the number of samples in one period is N = 6. By substituting the value of N =6 in the above equation then we get fundamental frequency as π/3.

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