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。
This paper presents a new algorithm used to demodulate high code rate DQPSK telemetry signal by digital frequency measurement.
本文根据高码速率DQPSK遥测信号的特点，介绍了一种通过数字瞬时测频来完成对高码速率DQPSK信号解调的方法。
The experimental results indicate that the application of PROM's multiple-input parallel addition network to the high-bit-rate programmable PCM telemetry frame synchronizer is successful.
系统实验表明，这种PROM化并行加法网络应用于高速可编程PCM遥测帧同步器是行之有效的。
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