DFT, DCT, MDCT, DST and signal Fourier spectrum analysis

L. Yaroslavsky; Ye Wang

DFT, DCT, MDCT, DST and signal Fourier spectrum analysis

Interdisciplinary Engineering

Research output: Contribution to journal › Conference article › peer-review

Abstract

DFT, DCT, DST and MDCT are compared in terms of their resolution power for signal Fourier spectrum analysis and energy compaction properties. For test sinusoidal signals with random frequency it was shown by computer simulation that the resolution power of the transforms is not uniform within the frequency band and that on average over the frequency range, DFT, DCT and DST have almost the same resolution power, while MDCT slightly remises them in this respect.

Original language	English
Article number	7075327
Journal	European Signal Processing Conference
Volume	2015-March
Issue number	March
State	Published - 31 Mar 2000
Event	2000 10th European Signal Processing Conference, EUSIPCO 2000 - Tampere, Finland Duration: 4 Sep 2000 → 8 Sep 2000

Cite this

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abstract = "DFT, DCT, DST and MDCT are compared in terms of their resolution power for signal Fourier spectrum analysis and energy compaction properties. For test sinusoidal signals with random frequency it was shown by computer simulation that the resolution power of the transforms is not uniform within the frequency band and that on average over the frequency range, DFT, DCT and DST have almost the same resolution power, while MDCT slightly remises them in this respect.",

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AU - Yaroslavsky, L.

AU - Wang, Ye

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N2 - DFT, DCT, DST and MDCT are compared in terms of their resolution power for signal Fourier spectrum analysis and energy compaction properties. For test sinusoidal signals with random frequency it was shown by computer simulation that the resolution power of the transforms is not uniform within the frequency band and that on average over the frequency range, DFT, DCT and DST have almost the same resolution power, while MDCT slightly remises them in this respect.

AB - DFT, DCT, DST and MDCT are compared in terms of their resolution power for signal Fourier spectrum analysis and energy compaction properties. For test sinusoidal signals with random frequency it was shown by computer simulation that the resolution power of the transforms is not uniform within the frequency band and that on average over the frequency range, DFT, DCT and DST have almost the same resolution power, while MDCT slightly remises them in this respect.

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DFT, DCT, MDCT, DST and signal Fourier spectrum analysis

Abstract

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