远地点

卫星轨道近地点和远地点能量平衡式

Energy Balance Equation at Perigee and Apogee of Satellite Orbit

装备特别好的是远地点望远镜。

Particularly well equipped are the apogee telescopes .

黏合剂活性基团对HTPB推进剂力学性能的影响机制双组元液体推进剂远地点发动机

Mechanism of influence of active groups in binder on mechanical properties of HTPB propellants bipropellant liquid apogee motor

STW试验通信卫星远地点发动机飞行实验

Space-flight tests of the apogee boost motor for STW experimental communications satellite

STW试验通讯卫星远地点发动机真空总冲测试技术

The measuring technology on vacuum total impulse of the apogee booster for STW experimental communication satellite

本论文针对远地点入轨高精度需求，研究大椭圆轨道转移中途修正控制问题，取得如下创新研究成果：提出了一种基于Lambert问题的终端控制法。

Aiming at acquiring high apogee accuracy , this paper does research in middle way correction control during the large elliptic orbit transfer and has got such achievements . A control method based on the terminal of Lambert problem was proposed .

文中还以FG-15远地点发动机为例介绍了我国固体推进技术的水平。

To show the progresses made by China in this field , the FG-15 apogee motor used on Chinese DFH-2 geostationary communications satellite is introduced at the end of the article .

月球初航一号在第三次变轨时到达远地点165000公里高。

Chandrayaan-1 reached the third orbit with an apogee of1,65,000 km .

高比冲双组元液体远地点火箭发动机研究

Research on the High Specific Impulse Bipropellant Liquid Apogee Engine

液体远地点发动机工作期间卫星的姿态控制问题

The attitude control problems of satellite as Liquid Apogee moter is working

基于递推二次规划算法的燃料最优有限推力远地点变轨

RQP Based Finite Thrust Apogee Orbit Transfer with Minimum Fuel

关于地球静止卫星远地点变轨策略的札记

Note on Apogee Maneuver Scheme for the Geostationary Satellite

地球同步卫星远地点最省燃料小推力多次变轨

Minimum-fuel low-thrust multiple-burn apogee maneuver for the geostationary satellite

有效载重与远地点的关系在断点中指定的重载符号超过一个

More than one overloaded symbol specified in breakpoint

现在我们要看看，近地点和远地点的情况。

Now we want to know what the situation is with perigee and with apogee .

文章采用极大值原理，研究了在远地点采用多次变轨的最优变轨过程。

Based on the maximum principle , the optimal multiple-burn strategy is studied in this paper .

椭圆轨道半长轴为，近地点到远地点。

A The ellipse has a semimajor axis A , - 2a perigee to apogee & is2a .

双组元液体推进剂远地点发动机

Bipropellant liquid apogee motor

接着将“远地点可达”概念应用于平面三体模型下的向月飞行的轨道研究；

Then ," coverage apogee " condition is applied to trajectory study under planar polar three bodies model .

如果这是一个围绕，地球的椭圆形轨道，那么这是近地点，这是远地点。

If this is an ellipse around the Earth , then this would be perigee and this would be apogee .

远地点月球或人造卫星轨道上离地球中心最远的点用望远镜对准月亮。

The point in the orbit of the moon or of an artificial satellite most distant from the center of the earth .

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。

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

另外，平面外倾角调整应尽可能在近地点和远地点完成，以使对升交点赤经的影响最小。

Moreover , out-plane inclination maneuver should be completed at perigee or apogee to influence right ascension of ascending node the least .

推力有限时，地球同步轨道卫星在远地点变轨的弧段很长，会导致较多的燃料消耗。

In the case of finite thrust apogee maneuver for the geostationary satellite , the fuel consumption increases due to the long burn arc .

文章给出在发射静止卫星过程中，固体远地点发动机点火时间和点火姿态的最佳值确定方法。

This paper provides a method for determining the optimum time and attitude in process of geostationary satellite launch at which the solid-apogee motor to be fired .

知道周期，知道远地点，和近地点在哪里，知道轨道周期-，知道了想知道的一切。

We know the period , we know where apogee is , we know where perigee is , - we know the orbital period & anything we want to know .

在采用小推力远地点发动机的情况下，地球静止卫星在远地点变轨的策略宜按整星功能实现和优化的原则确定。

Under the Condition of utilization low-thrust apogee motor , the apogee maneuver scheme for the geostationary satellite is defined by the Principle of realization and optimization of entire satellite function .

接着重点对空间目标环境进行了分析，从散射截面积、周期分布、偏心率分布、倾角分布、近地点远地点高度和半长轴等多个方面进行了归纳总结。

Then space target environment are analyzed , including scatter cross section , cycle distribution , inclination distribution , eccentricity distribution , perigee altitude , apogee altitude , and Semi-major axis .

据有关方面初步调查，卫星的远地点发动机因燃料阀发生故障不能正常运转是造成失败的原因。

According to preliminary investigations by concerned parties , the cause of the failure was that the satellite 's apogee engine was unable to normally operate because of a breakdown in the fuel valve .

本文将全系数自适应控制方法用于带有液体晃动和挠性太阳帆板的三轴稳定地球同步轨道卫星在远地点发动机工作期间的姿态自适应控制。

In this paper , the all-coefficient adaptive control method is adapted to the adaptive attitude control of three-axis stabilized satellite with liquid propellant and flexible solar arrays during the liquid apogee motor operating .