基于多载波调制的高速电缆遥测技术研究

A study on high speed cable telemetry technology based on the multi-carrier modulation

文章介绍了石油测井技术前沿的多载波调制高速电缆遥测技术,其主要特点是频谱利用率高,使用先进的调制和均衡技术以消除码间干扰和符号间干扰。文章根据多载波调制高速电缆遥测技术的发展状况、工作原理等,详细分析了多载波调制的种类,同时介绍了信道辨识、比特加载、峰值平均功率比及载波同步等关键技术。

This paper introduces the multi-carrier-modulation-based high speed cable telemetry technology of the logging technology front,which is characterized by its enhanced utility efficiency of frequency spectrum and the usage of advanced modulation and equalization technology to eliminate inter-symbol interference.The technology development status,work principles,the various multi-carrier modulations analysis and the related key techniques such as channel estimation,bit loading,peak-to-average power ratio and carrier synchronization are focused on in this paper.