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What is the complex conjugate property of a fourier series?

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in Signals and Systems by (1.2m points)
What is the complex conjugate property of a fourier series?

(a) It leads to convolution

(b) It leads to time reversal

(c) It leads to multiplication

(d) It leads to addition of signals

I have been asked this question during a job interview.

Question is taken from Fourier Series Properties in division Fourier Series of Signals and Systems

1 Answer

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by (42.1k points)
Right option is (b) It leads to time reversal

Easiest explanation: x(t) ↔ Xn

Y(t) = *x(t) ↔Yn=*X-n

It leads to time reversal.

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