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The correction of timing errors due to tape speed variation in the tape recording of physiological data (1980)

Mitchell, R. H. ; Ruff, S. ; Jenkins, J. G.

Springer

Medical & biological engineering & computing 18 (1980), S. 353-357

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ISSN: 1741-0444

Keywords: Tape speed variation ; Heart rate variability ; Electrocardiography

Source: Springer Online Journal Archives 1860-2000

Topics: Biology , Chemistry and Pharmacology , Medicine

Notes: Abstract A high degree of system accuracy is required for the recording and analysis of heart rate and beat-to-beat variability in newborn infants. Many tape recording systems at present in use do not provide this. A technique is described using a recorded clock signal of known frequency to correct the inter-beat intervals for inaccuracy due to tape speed variations. This has improved the resolution of the system from 7·5 ms to 1·5 ms, and reduced the overall error from 1·5% to 0·3%.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF02443390

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