Population
Two sample fetal ECG inputs
Design
Other
Authors
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Performance evaluation on two samples cautions against clinical use; leaves open whether these DSP techniques improve fetal R-wave detection.
Digital signal processing techniques such as narrow band-pass filtering, local peak differencing, autoregressive filtering, and matched filtering are theoretically developed and analyzed to improve fetal R-wave detection from abdominal-lead ECGs.
Azevedo et al. (1980) studied this question.
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