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苏联铁路自动控制、远程控制和通信实验室研制成测量列车无线通信参数的自动化测量设备。该设备装设在试验车上,可以测量和记录以下参数:列车无线通信频段内信号及干扰电平,列车无线电台的频偏,100和1400Hz呼叫频率,2130kHz载频,试验车所在位置及其运行速度等。测量过程完全自动化,不需要任何调整或微调。在接收呼叫情况下,1s内即可完成全部测量,然后所有被测参数均自动地送至存储器和自动记录仪。也可手控测量各种参数,任何情况下都能将被测信号电平值和试验车所在坐标的对应关系,同时存储和记录下来。
Soviet Union railway automatic control, remote control and communications laboratory developed into the measurement of wireless communication parameters of the train automatic measurement equipment. The device is mounted on a test car and can measure and record the following parameters: signal and interference level in the train’s wireless communications band, frequency offset of the train radio, frequencies of 100 and 1400 Hz, carrier frequency of 2130 kHz, location of the test car and its Running speed and so on. The measuring process is fully automated and does not require any adjustment or fine tuning. In the case of receiving calls, all measurements can be completed within 1s, and then all measured parameters are automatically sent to memory and automatic recorder. You can also manually measure a variety of parameters, under any circumstances can be measured signal level and the coordinates of the test car where the corresponding relationship, stored and recorded.