Attenuation-moisture test was carded out based on the principle of UHF signal transmission attenuation.
根据特高频信号传输衰减原理进行衰减-吸潮性试验。
The demonstration facility is designed, demonstrating the basic principle and process during the course of wireless transmission by infrared ray as instruction signal through observing the waveform.
设计一种演示装置，并通过示波器观察试验过程中各部分信号波形，达到演示红外光波作为无线传输的指令信号载体的过程和红外线遥控的基本原理。
According to couplings' structure and operating principle, it analyzed the drive system dynamics with coupling, described the transmission process of torque, and showed the dynamical signal flow.
根据液力耦合器的结构和工作原理，分析了液力耦合器辅助启动时驱动装置的力矩传递关系及数学模型，并以动态信号流程图的形式进行直观表达；
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