毫微秒电磁脉冲在探测地下浅层目标中的应用

APPLICATION OF NANOSECOND ELECTROMAGNETIC PULSE IN DETECTING SHALLOW SUBSURFACE TARGETS

由分析毫微秒电磁脉冲在探测地下目标的基本理论,提出了实施方案以及关键部件的设计,研制了有特色的行波天线。实践证明,该方案设计的装置辐射效率高,行波特性好。对埋地深度在1m左右的金属管道,能快速、清晰地显示和打印目标特性。

Basic scheme of detecting subsurface targets with EM pulse of nanoseconds, especially the design of travelling wave antenna of high quallity are described in this paper. The antenna is of three layers in structure, which possesses higher radiation efficiency and better travelling wave properties.Fine resolution graph and high speed display are employed in terminal processing. Target properties of metal pipes hurried about 1m depth can be clearly disp-layed. High resolution and short processing time, compared with internal and external similar devices, make it possible to meet the needs of actual engineering.