ephemeris error

Study and analysis on ephemeris error in double-star positioning system

双星定位系统中星历误差的分析与研究

It s positioning mechanism is different from GPS,and it s positioning accuracy is affected by many factors among which ephemeris error can not be neglected.

双星定位系统是我国自行研制开发的一种区域性卫星定位系统,其定位体制与 GPS 不同,并且其定位精度受到诸多因素的影响,其中星历误差的影响是不可忽略的因素。

Basing on the precision of baseline solution, the main factors relating to high precision GPS data processing, in this paper, GPS phase observation equation, atmosphere refraction correcting, ephemeris errors, adjustment datum, reference frame .

对于GPS控制网来说，如何提高基线解算的精度是提高GPS网点精度的基础，在此基础上，本文针对高精度GPS数据处理中考虑的一些因素，即相位观测模型、大气折射误差改正、星历误差、平差基准、参考框架等方面进行了分析和研究，主要研究内容如下： 系统分析了非差相位观测模型和误差模型，讨论了不同频率载波相位的线性组合及应用。

Precise algorithm for surface errors of reflector antennas and analysis of its electrical performance;

天线表面误差的精确计算方法及电性能分析

Presents a static model for the prediction of surface errors in face milling.

通过对工艺系统的受力分析,考虑整个工艺系统的受力变形对表面加工误差的影响,提出了端铣加工表面误差的静态预报模型。

Freezing influence on the error of water meter

冰冻对水表误差的影响分析

A Novel Wide Area Differential Method on Separated Calculation of Satellite Clock Errors and Ephemeris Errors

星钟和星历误差分离的广域差分新方法

Study and analysis on ephemeris error in double-star positioning system

双星定位系统中星历误差的分析与研究

Effect and Analyse of Broadcast Ephemeris Errors on GPS Survey Precision

卫星星历误差对GPS定位精度的影响与分析

DISCUSSION ABOUT THE INFLUENCE OF ESTABLISHING PRECISION PROJECT CONTROL NET AND THE BROADCASTING ATELLITE CALENDAR’S ERROR TO THE ACCURACY OF THE RELATIVE FIXED POSITION

浅谈GPS建立精密工程控制网、广播星历误差对相对定位精度的影响

the error of a planet

行星观测上位置间的误差

Analysis on the Return Error of Cycloidal Pin Wheel Speed Reducer

摆线针轮行星减速机的回程误差分析

Research on the Error Model of Spaceborne Fiber Optic Gyro Strapdown System;

星载光纤陀螺捷联系统误差建模研究

Measurement Error Analysis for In-Orbit Test of Satellite Communication Payloads

卫星通信有效载荷在轨测试误差分析

Synthetical Error Analysis and Simulation for Double-Star Position System

双星定位系统的综合误差分析与仿真

Phase Error Analyzing of InSAR System Based on Formation-Flying Satellites

基于卫星编队InSAR系统相位误差分析

COSMIC mission and error analysis of GPS radio occultation data

COSMIC计划及掩星数据误差分析

Analysis of Pulsar Time-of-Arrival Measurement Error and Dilution of Precision

脉冲星TOA测量误差及几何精度分析

GEOMETRY ORBIT DETERMINATION OF GEO SATELLITE ATTENDING TO SYSTEMATIC ERRORS

顾及系统误差的GEO卫星几何法定轨

Algorithm and Error Analysis of GNSS Occultation Measurements of the Atmosphere

GNSS掩星探测大气算法及误差分析

The Interpolation Methods for Satellite Coordinate and Clock Offset Based on IGS Precise Ephemeris

基于IGS精密星历的卫星坐标和钟差插值

Research on interpolation method for IGS precise ephemeris and clock bias

IGS精密星历和钟差插值方法的研究

Influence of tracking and pointing error on the performance of inter-satellite optical CDMA communication system

跟瞄误差对星间光码分多址系统性能的影响

Research on the Pointing Error of Telescope Mount in Slr System

卫星激光测距系统的机架指向误差的研究