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广东11选5 > 新闻 > 内容
了解雷达测速是什么
编辑:深圳市兆广安科技有限公司   时间:2019-07-11

雷达测速广东11选5主要是利用多普勒效应(Doppler Effect)原理:当目标向雷达天线靠近时,反射信号频率将高于发射机频率;反之,当目标远离天线而去时,反射信号频率将低于发射机频率。如此即可借由频率的改变数值(目标面对雷达飞行,多普勒频率为正,当目标背向雷达飞行,多普勒频率为负),计算出目标与雷达的相对速度。 现已经广泛用于警察超速测试等行业。

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GONGSIDIZHI: SHENZHENSHINANSHANQUZHUGUANGLUZHUGUANGCHUANGXINKEJIYUAN1DONG617

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