| 一种基于OFDM技术的900kbit/s测井数据传输系统 |
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| 引用本文： | 张菊茜,卢涛,李群,张艺,李谦,陈伟,顾庆水,伍瑞卿.一种基于OFDM技术的900kbit/s测井数据传输系统[J].测井技术,2009,33(1). |
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| 作者姓名： | 张菊茜 卢涛 李群 张艺 李谦 陈伟 顾庆水 伍瑞卿 |
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| 作者单位： | 1. 中海油田服务股份有限公司技术中心,北京,101149
2. 电子科技大学,四川,成都,610054 |
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| 摘 要： | 常规的单载波调制技术在带宽有限的测井电缆上的低传输速率制约着成像测井技术的发展.在分析测井电缆传输特性和OFDM技术原理的基础上,设计了一种基于OFDM技术的测井电缆高速数据传输系统,并介绍了基于OFDM技术的测井电缆高速数据传输系统的参数设计和工作原理,给出了不同长度测井电缆上的测试结果.电缆实测结果表明,在7 000 m长的测井电缆上,基于OFDM技术的测井电缆高速数据传输系统可获得900 kbit/s以上的数据传输速率和低于5E-8的误码率.当变压器的接入模式为Mode-Ⅱ时,系统最高的数据传输速率可达到1.1 Mbit/s.
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| 关 键 词： | 测井电缆 正交频分复用 高速数据传输 调制解调器 |
900 kbit/s Data Transmission System Based on OFDM for Wireline Logging |
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| ZHANG Ju-qian,LU Tao,LI Qun,ZHANG Yi,LI Qian,CHEN Wei,GU Qing-shui,WU Rui-qing.900 kbit/s Data Transmission System Based on OFDM for Wireline Logging[J].Well Logging Technology,2009,33(1). |
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| Authors: | ZHANG Ju-qian LU Tao LI Qun ZHANG Yi LI Qian CHEN Wei GU Qing-shui WU Rui-qing |
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| Affiliation: | 1.R&D Center of China Oilfield Services Limited;Beijing 101149;China;2.University of Electronic Science and Technology of China;Chengdu;Sichuan 610054;China |
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| Abstract: | To solve the low data transmission rate problem in the conventional single carrier modulation method for logging cable and enhance the data transmission rate,a new data transmission system with high data transmission rate for logging cable is proposed,which is based on the Orthogonal Frequency Division Multiplexing(OFDM) technology.The working principle of OFDM modem and the procedure of data transmission system are also presented and lots of tests are carried out on logging cables with different lengths.It... |
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| Keywords: | logging cable OFDM high data transmission rate MODEM |
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