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基于FPGA的岩性密度测井仪测试系统用来完成对岩性密度测井仪的现场检测。文中详细叙述了系统的运行原理、FPGA外部电路、核脉冲信号处理以及FPGA内部逻辑的实现。系统采用三总线在FPGA和单片机之间传递数据,单片机通过以太网和上位机进行通讯。
FPGA-based lithology density logging tool testing system used to complete the lithology density logging instrument on-site testing. The article describes in detail the operating principle of the system, FPGA external circuits, nuclear pulse signal processing and the realization of FPGA internal logic. The system uses three buses to transfer data between the FPGA and the microcontroller, the microcontroller communicates with the host computer via Ethernet.