Higher Order Spectra Analysis of Nonstationary Harmonizable Random Processes
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概要
- 論文の詳細を見る
In the correspondence discrete Wigner higher order spectra (WHOS) of harmonizable random signals are addressed and their relations with polyspectra (HOS) are illustrated. It is shown, that discrete WHOS of a random stationary signal do not reduce to the aliased polyspectra in a similar way as Wigner distribution (WD) reduces to the power spectrum of a random signal. Wigner 2nd-order time-frequency distribution of deterministic signals and the 3rd-order spectrum of stationary signals are presented in their modified forms to be used to estimate time-varying third-order spectrum of discrete nonstationary random harmonizable processes.
- 社団法人電子情報通信学会の論文
- 1995-07-25
著者
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FUJII Nobuo
Department of Electrical and Electronic Systems Engineering, Faculty of Information Science and Elec
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Fujii N
Graduate School Of Science And Engineering Tokyo Institute Of Technology
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Zavarsky Pavol
Department of Physical Electronics, Tokyo Institute of Technology
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Fujii Nobuo
Department Of Civil Engineering
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Zavarsky Pavol
Department Of Electrical Engineering Nagaoka University Of Technology
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Zavarsky Pavol
Department Of Physical Electronics Tokyo Institute Of Technology
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