I am calibrating radio direction finder or adjusting compasses.
我正在校准无线电测向仪或校正指南针。
Function test and calibration self-heterodyne curve for direction finder on sea trial.
航行试验中测向仪效用试验及自差曲线校正。
A vector amplitude weighing method of direction finder composed of ridged horns is presented and analyzed using results of test.
论文对幅度复加权测向原理进行了详细推导，并利用实际测试结果进行了研究。
Doppler radio Direction Finder is a technology that measures the Angle between radio transmitter and the radio using Doppler effect (Doppler principle).
多普勒无线电测向技术即为利用多普勒效应测定无线电发射设备与接收设备之间夹角的一种技术。
This paper introduces the design idea of Lightning Direction Finder and lightning return stroke models. The technique of accurate orientation as well as its realization is discussed.
介绍了雷电方向探测的设计思想和地闪回击模型，讨论了地闪的精确定向技术及其实现，给出了雷电方向探测仪的主要技术性能和参数。
Countermeasures include a Type 921-a radar warning receiver and direction-finder.
对策系统包括921-A型雷达告警接收器和定向仪。
Countermeasures include a Type 921-a radar warning receiver and direction-finder.
对策系统包括921-A型雷达告警接收器和定向仪。
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