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介绍了瞬变电磁仪的应用现状,提出了瞬变电磁仪数据采集部分的设计思路,给出了组成框图,并对核心部分的高速A/D采集模块和FPGA模块做出了比较详细的介绍。最终通过实验证明了数据采集部分可以较好的还原出测试输入波形和瞬变电磁信号波形,达到了预期的设计目标。
The application status of the transient electromagnetic instrument is introduced, the design idea of the data acquisition part of the transient electromagnetic instrument is put forward, the block diagram is given, and the core high speed A / D acquisition module and FPGA module are introduced in detail . Finally, the experiment proves that the data acquisition part can better restore the test input waveform and the transient electromagnetic signal waveform, and achieve the expected design goal.