啁啾z变换的计算代价与广义Goertzel算法

2014 22nd European Signal Processing Conference (EUSIPCO) Pub Date : 2014-11-13 DOI:10.5281/ZENODO.44055

P. Rajmic, Zdeněk Průša, Christoph Wiesmeyr

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引用次数: 9

摘要

对窄带频谱分析领域的两个天然竞争对手，即Chirp z变换(CZT)和广义Goertzel算法(GGA)进行了比较，并重点讨论了计算成本。我们给出的结果表明，对于实际输入数据，GGA在一系列实际情况下优于CZT。理论和实践都证明了这一点。

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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Computational cost of Chirp Z-transform and Generalized Goertzel algorithm

Two natural competitors in the area of narrow-band spectrum analysis, namely the Chirp Z-transform (CZT) and the Generalized Goertzel algorithm (GGA), are taken and compared, with the focus on the computational cost. We present results showing that for real-input data, the GGA is preferable over the CZT in a range of practical situations. This is shown both in theory and in practice.

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2014 22nd European Signal Processing Conference (EUSIPCO)

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