This paper proposed a modem based on adaptive equalization and QAM in oil logging for cable telemetry communication systems with high date rate.
提出一种适用于石油测井领域高速电缆遥测通信系统，基于自适应均衡和QAM正交振幅调制技术的调制解调器的原理和实现方法。
Introduced are the design scheme and realization of Modem in high speed cable telemetry system.
介绍了高速电缆遥传系统中的调制解调器设计方案及实现。
Through the analysis the characteristic of cable transmission, it is the first time for using the OFDM in the high speed cable telemetry system, and has given the result of this realized system.
通过对测井电缆传输特性的分析，首次使用OFDM 的先进成果，设计出新型的高速电缆遥传系统，并给出了系统实现的成果。
At present, coding for logging cable telemetry system often USES Manchester code.
目前，测井电缆遥传系统的编码方法是曼彻斯特编码。
On the base of this, high - speed cable telemetry system has been designed.
在此基础上，进行高速电缆遥传系统的设计。
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.
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.
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。
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