transfer orbit

A solar polar mission trajectory design is performed using this method in the low-thrust heliocentric transfer orbit design.

在太阳高纬度探测器轨道设计中，利用该方法设计了小推力转移轨道，并结合了文中提出的借力飞行轨道倾角确定算法，通过木星借力实现了太阳极轨轨道的设计任务。

The autonomous optical navigation algorithm based on Earth-Moon information during the cislunar transfer orbit phase is presented.

基于地月信息提出了一种奔月转移轨道的自主光学导航算法。

Long March 3 ( LM-3) is a three-stage launch vehicle, primarily intended for sending spacecraft into Geosynchronous Transfer Orbit with the GTO capacity of l.

“长征三号”运载火箭是三级火箭，主要用于发射地球同步轨道有效载荷，运载能力为1.5吨。

A study of minimum-fuel coplanar orbit transfer with a fixed thrust

最少燃料消耗的固定推力共面轨道变轨研究

The orbiter-returner combination entered the moon-Earth transfer orbit on Sunday. When the time is right, the orbiter and returner will separate from one another, according to the CNSA. The probe's returner is expected to land at the Siziwang Banner in North China's Inner Mongolia autonomous region in mid-December.

12月13日，嫦娥五号轨道器和返回器组合体成功进入月地转移轨道，后续将择机实施轨道器和返回器的分离，返回器将于本月中旬着陆在内蒙古四子王旗。

The ascender will dock with the orbital-returner combination waiting in the lunar orbit and transfer the samples to earth.

上升器将与在月球轨道上等待的轨道返回器组合体对接，并将样本转移到地球。

Optimization of system and mission ( orbit transfer and north-south station keeping) based on genetic algorithm ( GA) about GEO satellite using Arcjet propulsion sysytem has been probed.

采用遗传算法（GA）对Arcjet用于GEO卫星的变轨与南北位置保持（NSSK）进行了任务和系统优化计算分析。

spacecraft Into the geosynchronous transfer orbit speed of 10.25 kilometers requirements/ s;

航天器进入地球同步转移轨道运行所需速度为10.25公里／秒；

Take the terminal state, transfer time and energy consumption standard as constraint condition, a method of design the optimal energy transfer orbit is given, a transfer orbit based on continuous velocity pulse maneuver is getted and diminish the energy consumption in the orbit transfer.

本文以末值状态，转移时间和能耗指标等作为约束条件，给出了最优能耗转移轨道的设计方法，得到基于连续速度脉冲机动的转移轨道，减小了轨道转移过程中的能量消耗。

Optimal time control of low-thrust orbit transfer for making three-statellite constellation

形成三星星座的小推力变轨的时间最短控制

Application of the Multi-objective Evolutionary Algorithm in Midcourse Correction of Spacecraft Transfer Orbit

多目标进化算法在航天器转移轨道中途修正中的应用

Finite multiple burn orbit transfer error analysis via covariance matrix

利用协方差矩阵研究有限多次点火时轨道转移误差

Optimal Control for Minimizing Energy or Fuel in Finite-thrust Orbit Transfer

有限推力能量、燃料最优轨道转移控制

Discussion on orbit transfer by a single impulse

关于脉冲式轨道改变的讨论

The two satellites were placed respectively in LEO ( low earth orbit ) and geostationary transfer orbit.

两颗卫星分别进入近地轨道和地球同步转移轨道.

A fast design method for transfer orbit of lunar probe is presented using overlap conic curve method aimed at lunar landing transfer orbit and lunar satellite transfer orbit.

利用重叠圆锥曲线方法，针对着陆型和月球卫星型两种地月转移轨道，给出了一种地月转移轨道的快速设计方法。

Based on the current state of the spacecraft, make the transfer nominal terminal as control target, the Lambert algorithm was used to re-plan the transfer orbit, and impose appropriate controls make the spacecraft entering the transfer orbit.

该方法根据航天器当前状态，以转移终端标称状态为控制目标，采用Lambert算法重新规划转移轨道，并施加合适控制使其进入转移轨道。

An Orbit Transfer Method for Concomitant Satellite Approaching and Flying-around

伴随卫星接近绕飞的轨道控制方法研究

In this context, this paper also carries out comprehensive related researches, such as the orbit design and computation of the Earth-Mars transfer orbit, the selection of its launch window, and mid-course trajectory correction maneuver, etc..

文中以此为背景，对地火转移轨道的轨道设计、轨道计算、发射窗口选择和中途轨道修正等进行了全方面的研究。

spin stability is taken for the small lunar explorer to build up the solid motor firing attitude when it was injected from the earth berth orbit to the earth moon transfer orbit.

小型月球探测器由地球停泊轨道向地月转移轨道射入时，要求采用自旋稳定来建立发动机的点火姿态。

RQP Based Finite Thrust Apogee Orbit Transfer with Minimum Fuel

基于递推二次规划算法的燃料最优有限推力远地点变轨

Low Energy Transfer Orbit to the Moon Considering Longitude of the Ascending Node of the Moon

考虑月球升交点黄经的地月低能转移轨道

The probe entered the earth-moon transfer orbit as scheduled, with a perigee of 200 kilometers and apogee of 380,000 kilometers.

嫦娥三号已经按照计划进入了近地点高度200公里、远地点高度约38万公里的地月转移轨道。