The system takes ARM as the core and employs signal amplifying, filtering, and anti-baseline drift circuits.

该装置以ARM为核心，包括低功耗的双路心电信号放大、滤波、抗基线漂移电路。

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The magnetic induction head is electrically connected with the input end of the magnetic signal amplifying test display;

磁信号放大检验显示器由小功率双运放大器耦合一个检验显示开关电路而成；

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This instrument consists of three parts: optical receiving system, signal amplifying and controlling system, and display system.

该仪器由光学接收系统、信号放大与处理系统及显示系统三部分组成。

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This is commonly used in the immune system as well, but it's a way of amplifying a signal.

免疫系统也常使用这种方法,但这主要是一种放大信号的方式

耶鲁公开课 - 生物医学工程探索课程节选

Rectifying a signal sounds like an altogether humbler task than amplifying it.

ECONOMIST: The middle age of the transistor