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  • Title: A microcomputer program for real-time data acquisition in the perinatal physiology laboratory.
    Author: Dale PS, Ducsay CA, Gilbert RD, Koos BJ, Longo LD, Power GG.
    Journal: J Dev Physiol; 1989 Mar; 11(3):185-8. PubMed ID: 2809133.
    Abstract:
    This report describes a real-time data acquisition system using the IBM PC-AT microcomputer, and software specifically engineered for the perinatal physiology laboratory. The system samples up to sixteen analog signals at a rate ranging from 1 to 1024 Hz. Calibrated digital values are displayed on the computer monitor and stored on disk. The system can perform algebraic computations and estimate derivatives. Pattern recognition algorithms are included for the detection and characterization of uterine contractions and fetal breathing movements. Two different noise-rejection filters are implemented. Output of signals via a digital-to-analog converter is supported. The system has been used to record a broad variety of physiologic variables in a number of different studies.
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