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工程设计学报
Chinese Journal of Engineering Design  2009, Vol. 16 Issue (6): 452-456    DOI:
    
Design of T/ R switch system of groundpenetrating radar
 DAN  Tan-Sheng, FU  Hong-Wei
Department of Radar Engineering, Missile Institute, Air Force Engineering University, Sanyuan 713800, China
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Abstract  Aiming at the problems that serious coupling existing in the double antennas of ground-penetrating radar may intensely impact the signal detection, a high-speed T/R switch system is developed. A series/shunt mode microstrip SPDT was made by using PIN diodes. By ADS simulation and parameter optimization, a SPDT with ultra-wide bandwidth and high isolation was achieved. The power supply and driving circuits were developed and the experiment results show that the switch system meets the requirements of ground-penetrating radars．

Key words： ground-penetrating radar      single pole double throw (SPDT)      insertion loss      isolation     
Published: 28 December 2009
CLC:  TN 405  
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Cite this article:

DAN Tan-Sheng, FU Hong-Wei. Design of T/ R switch system of groundpenetrating radar. Chinese Journal of Engineering Design, 2009, 16(6): 452-456.

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https://www.zjujournals.com/gcsjxb/     OR     https://www.zjujournals.com/gcsjxb/Y2009/V16/I6/452


探地雷达收发开关系统的设计

针对当前探地雷达中双天线存在严重耦合影响了信号检测的问题,开发了一种高速的开关系统.通过ADS电路仿真和参数优化,利用PIN管芯制作了一种串/并联结构的宽带高隔离度微带单刀双掷开关,设计了开关的电源电路和驱动电路.经过实验测量表明该开关系统达到了技术指标要求,能满足探地雷达的要求.

关键词： 探地雷达,  单刀双掷开关,  插损,  隔离度 
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