reference orbit 中文意思是什麼
reference orbit
解釋
基準軌道-
To sum up, tested and validated by data sets of shenzhou iv unmanned spacecraft and precise orbit ephemeris, the algorithms presented in the thesis can improve orbit accuracy and reduce random noise considerablely. derived conclusions have important value for reference, and lay the firm technological foundation for future applications
總之，經過神舟四號飛船實測數據計算和精密星歷檢驗，表明本文提出的各種定軌方法可以較好的提高定軌精度，減少隨機噪聲，所得出的結論對于實際應用具有重要的參考價值，並為將來的應用奠定了堅實的技術基礎。 -
It has some important potential applications in geodesy and geodynamics, including the definition, practical realization, and the interconnection of different reference frames, determining the geocentric positions of vlbi stations, estimation of the gravity field of the earth, and satellite orbit determination using the delay and delay rate observables
它在大地測量和地球動力學方面很有應用潛力，如不同參考框架的定義、實現和相互連接，利用延遲和延遲速率來進行vlbi測站地心坐標的測定，地球重力場的估計和衛星定軌等。 -
The distinct trait of sun synchronic orbit satellite is that there will be the same sun conditions in the subpoint of the satellite wherever the satellite is, it benefits the earth reference equipments. and the regressive orbit satellitr ' s trait is that the satellite can cover the earth periodic, it benefits the dynamic reconnaissance. because of these merits, the sun synchronic and regressive orbit become one of the most popular orbit types
太陽同步軌道的主要特點是衛星在任一時刻其星下點的陽光條件基本相同，這對衛星上對地儀器的工作是非常有利的。而回歸軌道的特點是周期性地覆蓋地球，這有利於對地球上動態目標的偵察。由於以上的優點，太陽同步回歸軌道成了所有衛星軌道中最常見的軌道之一。 -
First, the structure of the second generation ctdrs isl was discussed in this paper, the characteristic of coverage in the second generation ctdrs by the characteristic of orbit and the simulation model of isl was analyzed then the effect of the isl establishing process analyzed. second, the discussing and analyzing focus on the characteristic of signal during the establishing isl process, establishing the orbit model, the technology of doppler frequency shift capturing and tracking sequence and the effect of background noise, then the theory analyzing the parameters we have just mentioned, and this will support the reference for the implement of project. the simulation and test of the isl of ctdrs and analyzing from theoretical basis to implement of simulation were mainly focused in this paper
其中討論了二代中繼星捕獲跟蹤系統星間鏈路的模擬方案的組成結構，利用軌道特性對二代中繼衛星系統的覆蓋特性進行分析，搭建了星間鏈路的模擬模型，其中包括中繼衛星和用戶衛星在內的軌道模型、星間鏈路模型、用戶星信號調制模型等，並對星間鏈路建立過程的影響進行分析;重點針對星間鏈路建立過程的信號特性，軌道模塊的建立、多普勒頻移技術、背景噪聲影響、載波的捕獲與跟蹤技術等進行了實際參數的設計與理論分析。 -
So combine the item of " space environment primary numerical simulation platform ", this thesis is focus on the research of orbit design and analysis. the main achievements in this thesis can be summarized as follows : 1. introduce the reference frame and time system used in orbit design particularly
本文結合「空間環境利用初級數值模擬平臺」課題，進行軌道設計與分析的研究，主要作了以下幾方面的工作： 1 、詳細介紹了用於軌道設計的坐標系統和時間系統，分析了二體軌道特性和發射窗口的基本特性。 -
In the dynamic method, starting from the analytical solutions of the cw equations, the flying - around orbit is proved to be an ellipse centered at the reference satellite, and its description parameters are presented, hi the kinetic method, flying - around conditions and equations in kinetic form are obtained by first order approximating, and the description parameters of the relative orbit are given
動力學方法從cw方程的解析解出發，證明了繞飛軌道是以參考衛星為中心的橢圓，定義了繞飛軌道的描述參數並給出了其表達式。運動學方法通過一階近似，得到了運動學形式的繞飛條件和繞飛方程，給出了繞飛軌道各參數的表達式。 -
The design was based on the security reference model of csss, the architecture of which is a subset of the corba security architecture. lastly, the paper took large efforts to analyze the orb connection management, orb pseudo - object, object reference, and ior for orbit. based on the analysis, the paper implemented the ssl - based security service for orbit by modifying and complementing the orbit source.
提出設計之後，本文比較詳細地剖析了orbit中的連接管理、 orb偽對象、 orb初始化、對象引用、 ior ，在此基礎上對orbit源碼作了大量修改、補充，使之支持ssl的嵌入，最終實現通信加密、用戶認證、訪問控制和審計等安全服務。 -
The idea behind the experiment is simple : put a spinning gyroscope into orbit around the earth, with the spin axis pointed toward some distant star as a fixed reference point
實驗背後的原理十分簡單：將轉動的回轉儀放在環繞地球的軌道，轉軸指向遠處星體，作為固定基準點。
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