中文摘要：

该文设计了一种快速胎儿心电信号采集系统,包括前端信号采集模块、微控制模块以及上位机软件应用模块。前两个模块分别由ADS1294芯片和STM32F103芯片来完成,最后一个模块在VC＋＋平台上开发出来。通过使用FT245RL芯片,该系统实现了ARM与PC机之间的串并行转换通信方式,可以大大提高数据传输速率,同时其功耗低、精度高且结构简单,能够从母亲腹壁上采集到胎儿心电信号,并将其转换成24 bit的数字信号。

英文摘要：

A rapid fetal ECG signal acquisition system is designed, which includes three modules： a front-end signal acquisition module, a micro control module and a PC software application module. The first two modules are accomplished through the ADS1294 and the STM32F103 chips, respectively, and the third one is developed in VC＋＋ platform. By using the FT245RL chip, the proposed system implements the serial-parallel conversion communication between ARM and PC, improving the data transmission rate largely. Also, it has a simple structure, with low power consumption and high precision. Furthermore, it can collect fetal ECG signals from mother＇s abdominal wall and convert them into the 24-bit digital signals.