雷达测速仪是利用多普勒测速原理，获得运动目标的频率偏移信号。
Police traffic radar USES the theory of Doppler speed detection to measure the offset of the frequency.
本文介绍了用微波暗室法校准雷达测速仪的工作原理，并对校准系统进行了描述和误差分析。
This paper introduces the operation principle for the calibration of radar speedometer with a microwave anechoic chamber. A calibration system and its error analysis is described briefly.
那时，我心里开始诅咒发明雷达测速仪的人。突然我意识到我的生活也在快车道上奔跑，这种忙乱并没有为我生命中带来更多的实质性好处。
At that moment, while cursing the invention of radar, I realized that life in the fast lane doesn't reap any benefits.
这里将测速仪与被测对象集成在一个台面上，直观演示了测速雷达的工作原理。
The working principle of the speed radar detector is visually demonstrated by integrating the speed device with the potential objects to be tested.
这里将测速仪与被测对象集成在一个台面上，直观演示了测速雷达的工作原理。
The working principle of the speed radar detector is visually demonstrated by integrating the speed device with the potential objects to be tested.
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