时变带宽信号的扩展傅立叶级数表示

2013 9th International Conference on Information, Communications & Signal Processing Pub Date : 2013-12-01 DOI:10.1109/ICICS.2013.6782834

R. Shavelis, M. Greitans

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引用次数: 0

摘要

本文提出了经典傅立叶级数的一种扩展，用于分析具有时变谱含量的信号。与经典级数相比，如果根据信号的时变带宽选择扩展傅立叶级数的基频，则可以减少表示信号的系数的数量。对各种测试信号的数值结果证明了该序列的优越性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Extended Fourier series representation of signals with time-varying bandwidth

The paper proposes an extension of the classical Fourier series for analysis of signals with time-varying spectral content. This, in comparison to classical series, allows reducing the number of coefficients that represent the signal if the fundamental frequency of the extended Fourier series is chosen according to the time-varying bandwidth of the signal. The advantage of the proposed series is demonstrated by numerical results for various test signals.

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2013 9th International Conference on Information, Communications & Signal Processing

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