The invention discloses a towed pulse ground penetrating radar device and a detection method, and relates to the technical field of geophysical exploration, and the device comprises an orthogonal encoder which is used for detecting the number of rotation turns of a platform wheel of a towed platform and generating a first pulse signal; the logic control circuit is used for capturing the first pulse signal and generating a second pulse signal; the balun is used for receiving the second pulse signal and generating a first trigger signal; the Gaussian pulse generator is used for receiving the first trigger signal and generating a unipolar Gaussian pulse; the micro-strip short-circuit line is used for receiving the unipolar Gaussian pulse and shaping the unipolar Gaussian pulse into a Gaussian single-cycle pulse; the transmitting antenna is used for receiving the Gaussian single-cycle pulse and radiating the Gaussian single-cycle pulse to the underground; and the receiving antenna is used for receiving radar echoes reflected by the underground medium to the Gaussian single-cycle pulse. The towed platform is adopted to realize high-speed detection of the ground penetrating radar on the urban underground space, and the problem of low construction efficiency of the traditional ground penetrating radar is effectively solved.

    本发明公开了一种拖曳式脉冲探地雷达装置及探测方法,涉及地球物理勘探技术领域,该装置包括:正交编码器,用于检测拖曳平台的平台轮的转动圈数,产生第一脉冲信号;逻辑控制电路,用于捕获第一脉冲信号,产生第二脉冲信号;巴伦,用于接收第二脉冲信号,产生第一触发信号;高斯脉冲发生器,用于接收第一触发信号,产生单极性的高斯脉冲;微带短路线,用于接收单极性的高斯脉冲,将其整形成高斯单周波脉冲;发射天线,用于接收高斯单周波脉冲,将其向地下辐射;接收天线,用于接收地下介质对高斯单周波脉冲反射的雷达回波。本发明采用拖曳平台实现探地雷达对城市地下空间的高速探测,有效解决了传统探地雷达施工效率低的问题。


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    Title :

    Pull-type pulse ground penetrating radar device and detection method


    Additional title:

    一种拖曳式脉冲探地雷达装置及探测方法


    Contributors:
    LIN JUN (author) / PI SHUAI (author) / WANG TIANHAO (author)

    Publication date :

    2023-12-08


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    G01S RADIO DIRECTION-FINDING , Funkpeilung / B62D MOTOR VEHICLES , Motorfahrzeuge / G01V Geophysik , GEOPHYSICS



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