介绍了以电缆固有的电参数为检测对象，以单片机为处理核心的电缆测试仪的设计原理及其基本组成。
Aiming at the inherent electrical parameters of cables and using monolithic processor as the process core, the design principles and basic configuration of a cable testing instrument are introduced.
介绍了一种新型水平井电缆对接工具的设计原理及设计要点。
The principle and structure of a new trigger horizontal oil well cable butt tool are introduced.
通过对OFDM(正交频分复用)技术原理及测井电缆传输特性的分析，设计出满足测井电缆所需的调制解调器。
Based on analyzing the theory of OFDM (Orthogonal Frequency Division Multiplexing) and characteristic of cable transmission, the Modem of high speed cable telemetry system has been designed.
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