井眼单静脉冲雷达周围不同岩石对连接电缆PMC涂层长度的影响

2014 International Symposium on Antennas and Propagation Conference Proceedings Pub Date : 2014-12-01 DOI:10.1109/ISANP.2014.7026652

Ji-Hyun Jung, Se-Yun Kim

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引用次数: 0

摘要

采用时域有限差分法(FDTD)对水平层状岩石包围的充水井眼单站脉冲雷达信号进行了数值计算。在水平层状岩石的两种情况下，计算了由连接电缆支撑的井眼导波与水平层状岩石相互作用引起的多余雷达信号。在此基础上，分析了沿雷达连接电缆的完美磁导体(PMC)涂层的有限长度对雷达无用信号的抑制作用。

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Effects of different rocks surrounding monostatic pulse radar in a borehole on the length of PMC coating along the connection cable

The signals of monostatic pulse radar in a water-filled borehole surrounded by horizontally layered rocks are numerically calculated using the finite-difference time-domain method (FDTD). In two cases of horizontally layered rocks, unwanted radar signals caused by interactions between borehole guided waves supported by the connection cable and horizontally layered rocks are calculated. Then, suppression of unwanted radar signal is analyzed here depending on the finite length of perfect magnetic conductor (PMC) coating along the connection cable of the radar.

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2014 International Symposium on Antennas and Propagation Conference Proceedings

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