Abstract
AbstractIn this paper, a named oscillation frequency spectrum (OFS) was developed for the frequency analysis of oscillating signal. Various complexing oscillating chemical reactions, which have been widely applied to analytical determination, were examined. The OFS extracted frequency information of these systems successfully and distinguished their respective frequency characteristics clearly. The details were such that the Belousov‐Zhabotinskii (B‐Z) system had three frequency peaks and the Cu(II)‐catalyzed system had two. Every periodic signal had a special OFS. Even if the frequency values of two different signals were identical, their OFS figures were distinct. The OFS realized the extraction and calculation for the multifrequency characteristic of oscillating chemical system accurately. It followed that OFS could be used to analyze the frequency of periodic signal with accuracy and was suitable for many areas. Copyright © 2006 John Wiley & Sons, Ltd.
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