低噪声心电放大器的设计是生物医学电子学研究课题之一，是对心电信息进行数据采集与处理的重要环节。
The design of a low noise electrocardiosignal amplifier, as a research subject of biomedical electronics, is a key link in data acquisition and processing of electrocardiosignal.
利用前置放大器和滤波器有效滤除掉呼吸，心电，人体等干扰。
Preamplifier and filter were used for cancellation of respiratory ECG, body interference.
工程应用测试表明，设计的放大器用于胎儿心电信号提取时，可以提取出清晰胎儿心电。
Engineering application tests show that clear fetal ECG image can be obtained for fetal ECG extraction by using this amplifier.
工程应用测试表明，设计的放大器用于胎儿心电信号提取时，可以提取出清晰胎儿心电。
Engineering application tests show that clear fetal ECG image can be obtained for fetal ECG extraction by using this amplifier.
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