刘亚军,孙东奎,刘锋,杨德斌,徐金梧

• 1:北京科技大学机械工程学院
• 2:北京嘉禾石油技术有限公司
• 3:北京信息科技大学光电信息与仪器北京市工程研究中心

摘要(Abstract)：

为实现有效的电磁波随钻测量,提出一种基于磁感应波的甚低频无线通信模型,并建立系统模型。通过系统的电流色散方程对系统带宽、传播能量等进行推导分析。针对磁感应波随钻测量系统中发生微变的参数,通过引入网络中相邻节点之间的传递因子和互感品质因数,建立了系统的传递方程。针对信号逐级传输过程中的谐振频率偏差损耗,增加连续可调电感进行频率补偿。最后搭建磁感应网络实验平台进行测试,结果表明信号在甚低频磁感应波智能钻杆系统中可以实现远距离的通信,当信噪比为-2 d B且保证通信速率为2 kbit/s时,通信距离可达1 800 m。

关键词(KeyWords)： 随钻测量;无线通信;甚低频磁感应波

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(编号:61273071);; 北京市自然科学基金(编号:8142028)

作者(Author): 刘亚军,孙东奎,刘锋,杨德斌,徐金梧

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