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A new type of GPR high resolution step system

机译:一种新型的GPR高分辨率步进系统

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摘要

Aiming at the difficulty on echo sampling when GPR is used for sub-bottom survey, equivalent time sampling is adopted to design the echo signal collecting system. Meanwhile, a new type of step system is presented which is based on cascaded AD9500. The step system can not only realize high resolution detection, but also give consideration to samples and sampling interval selectable. The experiment results indicate that the new type circuit is stable.
机译:针对GPR技术用于地下探测时回波采样的困难,采用等效时间采样设计回波信号采集系统。同时,提出了一种基于级联AD9500的新型步进系统。步进系统不仅可以实现高分辨率检测,还可以考虑采样和采样间隔的选择。实验结果表明,该新型电路是稳定的。

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