The distance between the acoustic-emission source and the receiving transducer, and the background noise level are primary factors in selecting a particular frequency band.
声发射源与接收讯号传感器间的距离以及环境噪声的电平是选择频带的主要依据。
The transducer emits ultrasonic waves into the fluid that are not parallel to the primary flow of fluid through the tank.
该换能器发射不平行于穿过该容器的主要流体流的超声波进入流体。
A health monitoring and fault detect primary scheme is given including optimization on monitoring position and quantity, transducer type selection, fault information abstraction and detect methods.
提出了航天器机械臂的初步的健康监控方案：监测部位的选择，传感器的选择和安装，故障信息提取与故障检测方法的采用。
Linear birefringent effect is the primary factor that makes optical current transducer unpractical.
线性双折射效应是限制光学电流互感器实用化的关键因素。
In this paper, a principle of design of primary side of active optic-electric current transducer is studied and discussed.
对有源光电电流互感器高压侧系统实现方案进行了研究。
In this paper, a principle of design of primary side of active optic-electric current transducer is studied and discussed.
对有源光电电流互感器高压侧系统实现方案进行了研究。
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