最初的雷达正如它的英文名称“雷达”(radar)所表示的那样，包括两个方面：无线电测物和测距。
The original radar combined these two things, as its English name radar showed: Radio Detection and Ranging.
对基于软件无线电的近距离扩频测距算法进行了研究。
The near field spread spectrum ranging algorithm based on software radio is investigated.
本文给出了无线电测控系统中扩频和测距编码的设计方法。
A design of spread spectrum and ranging code in radio measurement and its control system are given in the paper.
将数字射频存储器(DRFM)应用到机载无线电引信干扰机中用来对脉冲测距引信和脉冲多普勒引信进行干扰。
In the paper, digital radio frequency memory (DRFM) is applied to airborne radio fuze jammer to jam pulse distance-detecting fuze and pulse Doppler fuze.
“装置找到对象，不能被所谓的无线电探测和测距，成为”雷达。
A device to find objects that cannot be seen called Radio Detecting and Ranging became Radar.
RTR高空探测系统保留了无线电经纬仪的优点，增加了测距功能，具有较好的低仰角测风精度。
System of the RTR altitude detection inherits merit of the wireless theodolite , add new function of range finder and have good accuracy of anemography through lower elevation.
RTR高空探测系统保留了无线电经纬仪的优点，增加了测距功能，具有较好的低仰角测风精度。
System of the RTR altitude detection inherits merit of the wireless theodolite , add new function of range finder and have good accuracy of anemography through lower elevation.
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