椭圆轨道

追踪椭圆轨道目标Hill制导及其误差分析

Hill 's Guidance for Pursuing a Target on Elliptical Orbit and Analysis of Its Error

并基于椭圆轨道的空间交会停靠的动力学方程为实际背景，用此方法和PID方法进行了仿真比较，从仿真结果可以看出全系数控制方法的优越性。

The result is that the all coefficient adaptive control method is better than the PID control method in the base of the relative motion equation in elliptical orbit .

所以，这是一个椭圆轨道，这是P，这是。

So here is an ellipse , A here is P and here is A.

建立了旋转椭球体地球模型和椭圆轨道卫星轨道模型，在此基础上详细阐述了星载SAR中瞬时斜距的求解方法。

This dissertation is established the rotating ellipsoid Earth model and the elliptical satellite orbit and describes detailly the method for solving the instantaneous slant range of spaceborne SAR on this basis .

在分析单星载SAR完整信号模型的基础上，建立了一种基于地球椭球模型和卫星椭圆轨道模型的单发多收分布式星载SAR回波数据的仿真模型。

After analyzing the signal model of single spaceborne SAR the distributed spaceborne SAR raw data are produced using a signal model based on ellipsoid model of the earth and elliptical orbit of satellite .

布朗和巴蒂金在《天文学杂志》（TheAstronomicalJournal）上联合发表了一篇论文，提出详细的旁证，认为天文学家们观测到的现象——在遥远的椭圆轨道上运行的六个小天体——证明了这颗行星的存在。

In a paper published in The Astronomical Journal , Dr. Brown and Dr. Batygin lay out a detailed circumstantial argument for the planet 's existence in what astronomers have observed - a half-dozen small bodies in distant elliptical orbits .

详细地论述了椭圆轨道条件下星载SAR目标的多普勒特性，推导了卫星姿态变化下多普勒参数的表达式，证明了卫星姿态变化对星载SAR成像的影响。

The paper discusses in detail the Doppler property of the space-borne SAR target in the elliptical orbit , deduces the Doppler parameters expression with the satellite attitude variety , and illuminates the impact of satellite attitude changes to the space-borne SAR imaging .

利用不同的C值，经过不同的组合，可以求得Kepler椭圆轨道解，以及考虑J2或J3项摄动的不同解。此方法宜于推广使用。

When the special C values are applied by means of different combinations , we can obtain the analytic solution due to the J_2 or J_3 oblateness perturbation for the long-range ballistic vehicle , as well as the solution of Kepler 's ellipse .

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 .

在考虑地球非球形引力J2项摄动时，用Lyaounov势函数法推导了连续和离散两种控制方法，以保持与控制运行于椭圆轨道的小卫星编队飞行位置。

The continuous and discrete control methods to keep the position of micro-satellite forming flying that flied in ellipse orbit when J_2 perturbation was in consideration were derived by using Lyapunov potential function in this paper .

在此基础上对两个不定向椭圆轨道进行了详尽的分类讨论，并给出以F-g曲线求整体最佳过渡的方法。

On the basis of these a thorough classified discussion about two unfixed direction elliptic trajectories is given and the F g curve method is presented to look for the best transfer of the whole situation .

移动卫星通信系统低椭圆轨道星座设计

Constellation design of low elliptical orbits on mobile satellite communication systems

区域性覆盖椭圆轨道卫星通信系统星座设计

Constellation design using elliptic orbits for regional coverage satellite communication system

椭圆轨道编队飞行相对动力学初始化条件

Relative dynamics and initialization condition for formation flying in elliptical orbits

大椭圆轨道上空间探测卫星轨道性能分析

The orbital performance analysis for space exploring satellite with high eccentricity

一种有效的中椭圆轨道卫星星座设计与分析

Design and Analysis of an Effective Medium Ellipse Orbit Satellites Constellation

水平冲量作用下共面椭圆轨道上航天器的交会

Rendezvous Between Two Spacecrafts With Coplanar Elliptic Orbits Using The Horizontal Impulse

虑及核运动的电子椭圆轨道

On the Electron Elliptic Orbit Paying Regard to the Nuclear in Motion

基于椭圆轨道的空间交会停靠全系数自适应控制方法研究

Space rendezvous and berthing and study of the control method

椭圆轨道编队飞行的典型模态与构型保持控制方法

Representative Formation-keeping Mode and Control for Spacecraft in Eccentric Orbits

航天器椭圆轨道自主交会的自适应学习控制策略

Adaptive Learning Control Strategy for Autonomous Rendezvous of Spacecrafts on Elliptical Orbit

水平推力作用下共面椭圆轨道的最优转移

Optimal Transfer Between Coplanar Elliptic Orbits Using the Horizontal Thrusts

从比耐公式到类氢原子电子的量子化椭圆轨道

From Binet Equation to Quantize Elliptical Orbit of Electron in Hydrogen-like Atom

椭圆轨道卫星编队燃料最优机动实时算法

Real-time Algorithm for Formation Satellite Fuel-optimal Maneuvers in Elliptic Orbits

考虑地球扁率的大椭圆轨道编队飞行优化设计

J_2 Optimization Design of Formation Satellites in Highly Elliptic Orbits

但是，一般的解决方法，还是需要一个椭圆轨道。

But the general solutions call for a elliptical orbit .

氢原子中电子椭圆轨道的简单处理

A simple treatment of the elliptical orbit of the electron in hydrogen atom

考虑地球扁率影响的任意椭圆轨道小推力最优交会控制

Optimum Low-Thrust Power Rendezvous between Neighboring Elliptic Orbits Considering the Oblateness of Earth

椭圆轨道真近点角的级数计算方法

Calculating Method of Series for the True Anomaly of a Spacecraft Elliptic Orbit

第三章在分析了适用于构造区域卫星定位系统的卫星轨道类型后，提出了利用静止卫星和同步椭圆轨道卫星构造星座的方案。

Chapter 3 proposed a constellation scheme for a regional satellite navigation system .