介绍了一种采用DSP组成的胎儿心率监护仪的基本结构和工作原理.重点说明了胎儿心率算法的实现。通过实际验证,基本上能准确实时得到胎儿心率。
The paper presents the development and design of an ultrasonic Doppler fetal heart rate monitoring system based on DSP,and explains the realization of a algorithm for detecting fetal heart rate, Clinical practice has proved that this system is able to pick up the real-time fetal heart rate correctly and rapidly.