基于Walsh-Hadamard变换的递归自适应傅里叶分析仪的结构和频率自适应

Journal of Measurement Science and Instrumentation Pub Date : 2001-05-21 DOI:10.1109/IMTC.2001.928259

C. Benedecsik, A.R. Varkonyikoczy

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引用次数: 1

摘要

自适应傅立叶分析仪可以很好地测量基频未知的周期信号。本文首先提出了基于Walsh Hadamard变换的变换域自适应傅立叶分析仪的进一步发展，其计算量更少。并对频率确定方法进行了研究，提出了一种新的频率确定方法。

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Structure and frequency adaptation of the recursive adaptive Fourier analyzer based on the Walsh-Hadamard transformation

The measurement of a periodic signal with an unknown basic frequency can be done well with an adaptive Fourier analyzer. This paper presents first a further development of the transform domain adaptive Fourier analyzer, based on the Walsh Hadamard transform, which requires less computation. The frequency determination methods are also studied and a new method is proposed.

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Journal of Measurement Science and Instrumentation

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