initial azimuth 中文意思是什麼
initial azimuth
解釋
起始方位角-
In the stage of the sun and the moon in sight, azimuth of the sun, the earth and the moon in the spacecraft body coordinate system is simulated. combining the simulated azimuth with the ephemeris of the sun and the moon, the state equation and observation equation are modeled. the initial orbital parameters calculated by least square method are used in orbit state equation to predict spacecraft state and to realize autonomous navigation
在日月可見階段，模擬日、地、月敏感器測量信息，即日、地、月在航天器本體坐標系下的方位信息，結合日月星歷，建立狀態方程及觀測方程，通過最小二乘法得到歷元時刻的軌道狀態初始值，將其代入軌道狀態方程進行自主導航。 -
The 29 f globular clusters in the galaxy are selected as samples in my paper ( the space distribution and motional orbits of the samples have not been researched in detail before. ). according to the basic parameters : azimuth coordinates, distances from the sun, radial velocities and proper motions of sample clusters, the initial positions and velocities of the samples are reduced using the galactic coordinates, and their orbits are integrated by numerical method for three different galactic gravitational potential models
本文選用銀河系中29個累積光譜型為f型的球狀星團作為樣本（這些樣本星團的空間分佈和運動特徵都沒有被詳細地討論過） ，根據它們的基本資料：方位坐標、日心距、視向速度，絕對自行等參數，歸算處理得出了各樣本星團的空間分佈和運動速度。 -
The principal initial hole factors influencing primary section trajectory, such as sidetracking position ( formation factors ), primary deviating angle and primary azimuth of the sidetracking position are analysed by spatial plane - tilted method
文章運用空間斜平面法分析了對側?水平井起始段有重要影響的主要初始井眼條件，包括側?點（地層因素） 、側?點初始井斜角、側?點初始方位角等對起始段軌跡的影響。
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