apparent directional angle 视方位角
antenna directional angle [电讯] 天线指向角 ; [电讯] 天线定向角
Directional Angle Difference 指向角差
desirable directional angle 期望方向角
Using this method the problem of measuring target directional angle in anti-TBM aimed warhead was solved.
将该方法应用到反导定向战斗部中，解决了反导定向战斗部确定目标方向角信息的技术难题。
This paper educed the error calculation formula of the mine directional Angle by using the method of guidance relation connected with the triangle observation.
本文采用导向联系三角形观测方法，导出了矿井定向角度的误差计算公式。
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