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© IRL Press

A simple algorithm for averaging multiple cycles of waveforms having varying cycle periods

PeterH. Abbrecht 2, Irene M. Thio 1 and Richard R. Kyle

Departments of Physiology and Medicine, Uniformed Services University of the Health Sciences Bethesda, MD 209814–4799, USA

2To whom reprint requests should be sent

We present a simple method for averaging multiple cycles of a waveform having cycles with varying periods. This averaging process preserves the morphology of the waveform by converting fixed time per point data into fixed fraction of cycle data. The algorithms are implemented using the ASYST system, which provides efficient code for performing the computations and permits straightforward integration of the data acquisition and analysis tasks. An example is given of the results of the program in processing cyclical waveforms obtained in respiratory research.

Received on December 13, 1990; accepted on March 21, 1991

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