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作者分析了胎儿心音频谱特点。通过带通数字滤波及匹配滤波等方法,正确检测胎儿心率,为建立胎儿心音的胎儿心率监护仪提供了基础。
The author analyzed the fetal heart sound spectrum characteristics. Through the band-pass digital filtering and matched filtering and other methods, the correct detection of fetal heart rate, fetal heart rate fetal heart rate monitor for the establishment of the foundation.