This system consists of sonic sonde, magnetic locator sub, gamma ray tool, depth system, surface preprocessing unit, data acquisition interface, PC486 and thermal plotter.
该系统由声波、磁定位和自然伽马下井仪、深度系统、地面预处理电路、数据采集控制接口电路、486微机和热敏绘图仪等构成。
The functions of the measurement system include scanning of microelectrode, acquiring and smoothing of experimental data and displaying of three kinds of potential distribution maps on the plotter.
扫描测量和数据采集速度快，信号测量精度高，各种电位分布图形清晰直观；
The data transfer of USB used in this paper conquers some disadvantages, such as low speed, complex of connecting and so on, providing a new pattern interface for the data transfer of plotter .
本论文采用的USB这种传输方式，克服了以往绘图机利用并行电缆带来地低速、迮线复杂等种种缺点，为绘图机的数据传输提供了一种崭新的新型接口。
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