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本文简要介绍日本“MT-7”型移动体远程遥测仪(八通道)的系统组成及工作原理,在汽车试验中校准方法与线性范围方面存在的问题,及应采取的改进措施;同时对该仪器的测试距离、可测量参数进行了摸索性试验。试验表明,该仪器接收天线高为6.5m在两天线相距三公里以内在保持视线情况下,实用性能良好。
This article briefly introduces the system composition and working principle of Japan’s “MT-7” mobile remote telemeter (eight channels), the problems existing in the calibration method and linear range of automotive tests, and the improvement measures that should be taken. At the same time, Instrument testing distance, measurable parameters of the exploratory test. Experiments show that the instrument receiver antenna height of 6.5m within two kilometers away from the antenna within the line of sight to maintain the case, the practical performance is good.