研究计算了双线圈传感器的感应电动势、信噪比和趋肤深度，为今后仪器的设计提供了理论依据。
In this paper, we research the induction electromotive force, signal -to-noise ratio of the two-coil sensor, all of these can lay the foundation for designing apparatus.
在心脏上方平置一个大线圈，传感器使线圈产生磁场，磁场为接受器供电。
That is because the transmitter USES a large flat coil, placed over the heart, to generate the magnetic field that powers the receiver.
触发叶轮随发动机转速而旋转，使得转速传感器或拾波线圈产生与发动机转速和活塞位置相对应的触发电压脉冲。
The trigger wheel rotates with engine RPMs and causes the speed sensor, or pickup oil, to produce triggering voltage pulses that correspond to engine speed and piston position.
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