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从研究矿井电气设备的技术要求和瞬变电磁探测仪器的技术特点入手,实现了用大规模FPGA芯片控制数据采集并进行快速叠加的高速控制技术、2 MHz采样频率与24位转换精度的宽带数据采集技术。研制的矿井瞬变电磁探测采集系统,采样频率高,动态范围大,工频抑制能力强等特点。
Starting from the research of the technical requirements of mine electrical equipment and the technical characteristics of transient electromagnetic detection instruments, the high-speed control technology of large-scale FPGA chip control data acquisition and rapid superposition is realized. The wideband data of 2 MHz sampling frequency and 24-bit conversion accuracy Acquisition technology. Development of mine transient electromagnetic detection acquisition system, high sampling frequency, dynamic range, frequency suppression ability and so on.