The DFT Magnitude of a Real-valued Cosine Sequence

Rick Lyons
5 comments

This article may seem a bit trivial to some readers here but, then again, it might be of some value to DSP beginners. It presents a mathematical proof of what is the magnitude of an N-point discrete Fourier transform (DFT) when the DFT's input is a real-valued sinusoidal sequence.



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Assanovich
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ok
9 months ago
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Assanovich
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jk
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Assanovich
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Real cite to study DSP
9 months ago
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Assanovich
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bas
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Assanovich
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