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Figure below shows a DFT coefficients of a sinewave. 600 500 400 X300 200 100 0 0 DFT of a Sinewave 50 100 150 200 250 300 350 400 450 k Following parameters are known: fs = 1 kHz, N = K = 500. Assuming that some aliasing has taken place, i.e. the signal frequency is certainly higher than half of the sampling frequency, the best estimate of the sinewave frequency (considering the offered answers) is 800 ♦ ✓ Hz.

Figure below shows a DFT coefficients of a sinewave. 600 500 400 X300 200 100 0 0 DFT of a Sinewave 50 100 150 200 250 300 350 400 450 k Following parameters are known: fs = 1 kHz, N = K = 500. Assuming that some aliasing has taken place, i.e. the signal frequency is certainly higher than half of the sampling frequency, the best estimate of the sinewave frequency (considering the offered answers) is 800 ♦ ✓ Hz.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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Figure below shows a DFT coefficients of a sinewave. 600 500 400 X300 200 100 0 0 DFT of a Sinewave 50 100 150 200 250 300 350 400 450 k Following parameters are known: fs = 1 kHz, N = K = 500. Assuming that some aliasing has taken place, i.e. the signal frequency is certainly higher than half of the sampling frequency, the best estimate of the sinewave frequency (considering the offered answers) is 800 ♦ ✓ Hz.
Transcribed Image Text:Figure below shows a DFT coefficients of a sinewave. 600 500 400 X300 200 100 0 0 DFT of a Sinewave 50 100 150 200 250 300 350 400 450 k Following parameters are known: fs = 1 kHz, N = K = 500. Assuming that some aliasing has taken place, i.e. the signal frequency is certainly higher than half of the sampling frequency, the best estimate of the sinewave frequency (considering the offered answers) is 800 ♦ ✓ Hz.
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