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文章设计了便携式车载自动场强测试系统,以解决铁路沿线场强分布参数(如测绘场强中值概率分布等)的车载实时自动测试问题。重点完成了带数字显示及打印终端和自动测试控制接口等的微处理机系统样机的设计与试制工作,并编制了相应的系统软件。微处理机系统采用双μP结构,保证了测试时采样过程控制、数据处理和打印的实时性。论文采用“开放式”这一概念,改进仪器系统结构,提高仪器的性能利用率,获得了较好的效果。
In this paper, a portable vehicle-mounted automatic field strength test system is designed to solve the problem of real-time automatic vehicle test in the field of railway distribution parameters (such as the median probability distribution of mapping field strength). Focus on the completion of a digital display and print terminals and automatic test control interface design and prototype of the microprocessor system prototype, and the preparation of the corresponding system software. Microprocessor system uses dual μP structure to ensure that the testing process of sampling control, data processing and printing real-time. The paper adopts the concept of “openness” to improve the structure of instrumentation system and improve the performance utilization rate of the instrument, and obtains good results.