轨道确定

配置积分方法在GPS卫星轨道确定中的应用

The Application of Collocation Integration Method in the Orbit Determination of GPS Satellites

利用GPS接收机的精确轨道确定技术

An Accurate Orbit Determination Technique Using GPS Receiver

GPS卫星受力分析与轨道确定

Force Analysis and Orbit Determination of GPS

研究了卫星利用CCD紫外敏感器进行自主轨道确定的方法。

An autonomous orbit determination method using the CCD ultraviolet sensors is studied .

轨道确定的传统估计算法是最小二乘算法和Kalman滤波。

The classical algorithms for orbital determination are least square estimation ( LSE ) and Kalman filtering .

结果表明，利用星载GPS进行定轨的误差在十几米左右，基本满足了轨道确定的要求。

The result shows that the error in GPS-based orbit determination is abort decade meters and meets the requirement of orbit determination .

GEOSATGM的精密轨道确定及精度估计

Precise orbit determination and accuracy estimation for Geosat GM

利用两个短弧段的天基测角资料实现对GEO空间目标的轨道确定是天基空间目标监视系统需解决的重要问题之一。

Orbit determination for GEO objects using two short arcs from space based optical observations plays a key role in the space-based space surveillance systems .

针对GEO卫星轨道确定中系统误差的影响，提出了顾及系统误差的几何法定轨的方法。

The detection ability of systematic errors is researched based on tracking station distribution . ( 2 ) A geometry OD method considering systematic errors for GEO satellite is developed .

在此基础上，针对深空导航的轨道确定过程中可能存在的初始估计信息误差较大、状态及量测误差不服从高斯分布等问题，将UPF（unscentedparticlefilter）引入到导航方案中。

On this basis , the Unscented Particle Filter ( UPF ) is introduced to the navigation scheme to overcome the shortcomings of large initial estimation errors and non-Gaussian distribution of the state or measurement errors that may exist in the determination of the deep space orbit .

在GEO卫星轨道确定中，系统误差如卫星钟差、测站钟差、卫星转发器时延、地面站设备时延和测站偏差等，已经成为GEO卫星定轨数据处理中的关键问题。

One of the most important problems in the data processing of GEO satellite orbit determination ( OD ) is the validation and control of systematic errors , such as satellite clock error , receiver clock error , time delay of satellite transponder and tracking station equipment bias .

考虑到基于扩展卡尔曼滤波的轨道确定存在的问题，提出利用基于Unscented卡尔曼滤波来估计探测器的位置、速度及无模型加速度，提高了轨道估计精度和保证了算法的稳定性。

Considering the problems of orbit determination algorithm based on extended Kalman filter , the position , and velocity of spacecraft and the un-modeled acceleration are estimated by using the Unscented Kalman filter to improve the precision of or - bit estimation and ensure the stability of algorithm .

基于最小二乘的编队飞行卫星相对轨道确定

Relative Orbit Determination of Satellite Formation Flying Based on Least Squares

编队卫星短弧段相对轨道确定方法研究

Study on Relative Orbit Determination Method of Satellites Formation with Short-arc

最后给出了此方法应用到了卫星轨道确定问题中的数字仿真实例。

Finally a simulation is given to estimate the satellite orbit .

卫星轨道确定模型误差的深度加权核估计方法

Data Depth Weight Kernel Estimator of Satellite Orbit Determination Model Error

基于星光大气折射的卫星自主轨道确定

Autonomous orbit determination for earth satellites by starlight atmospheric refraction

移动站的运动对轨道确定影响的分析

The Analysis for the Effect of Motion of Observation Station on Orbit Determination

分布式航天器相对轨道确定方法

Study on Relative Orbit Determination Method of Distributed Spacecrafts

卫星自主轨道确定的自校准滤波

A Self-Calibration Filter for Satellites Autonomous Orbit Determination Systems

近地卫星自主轨道确定和控制系统研究

Study on the Autonomous Orbit Determination and Control System of Near Earth Satellite

在卫星自主轨道确定中，敏感仪器和其使用方法是很关键的问题。

Sensitive apparatus and its application method are key problems in autonomous orbit determination .

基于星光折射航天器自主轨道确定

Autonomous Orbit Determination by Stellar Refraction for Spacecraft

自主轨道确定中日月摄动对卫星轨道倾角的影响

Lunisolar Perturbation in Autonomous Orbit Determination for Satellite

通过减少地面系统日常的轨道确定工作和跟踪任务，自主导航可以简化航天器的地面系统。

Autonomous navigation will simplify ground system on spacecraft tracking and routine orbit determination .

基于非线性约束的参数估计方法及其在轨道确定中的应用

The Method of Parameter Estimation Based on Nonlinear Constraint Condition and Application on Orbit Determination

粒子滤波在卫星轨道确定中的应用

Satellites orbit determination based on particle filtering

空间目标轨道确定专家系统

Space Target Orbit Determination Expert System

月球卫星的自主轨道确定

Autonomous Orbit Determination for Lunar Satellites

提出的观测数据双向稳健补偿方法有效地解决了同一采样时间内测量元素的匹配问题，以及折射误差的修正问题，确保了卫星轨道确定的精度。

The robust compensation method proposed can solve the matching problem and the refraction error correction problem effectively .