| 1. | Precision analyze for gps static precise point positioning 精密单点定位静态精度分析 |
| 2. | A numerical example on gps point positioning is given to show the interesting method 给出演示该方法的gps单点定位算例。 |
| 3. | Kinematic orbit determination of low - earth orbiters based on gps precise point positioning technique 精密单点定位的低轨卫星几何法定轨 |
| 4. | In the third part of the paper , the implement of absolute position is introduced in detail 论文的第三部分详细的阐述了gps单点定位技术的实现方法。 |
| 5. | Algorithms of on - board gps real - time single point positioning and dynamic orbit determination using positioning solutions are mainly studied 本文重点研究星载gps单点实时定位和基于单点定位结果的动力学定轨方法。 |
| 6. | We choose single point pseuodorange positioning method for the mission because the requirements for hardware are easy to access , the costs are fewer than other methods and the accuracy can meet the needs of realized work 采用伪距单点绝对定位方法进行定位,硬件要求简单、效费比高,能达到预期的精度,由此对伪距单点定位测速方法进行介绍。 |
| 7. | Positioning algorithms are constructed . code - phase pseudorange algorithm and carrier - phase differential navigation algorithm are analyzed in details and carried out in computer . the result of simulation demonstrates well 首先选择定位算法,分别研究和仿真实现了伪距测量单点定位算法和载波相位定位算法以及它们的差分算法,仿真结果良好。 |
| 8. | An algorithm of dynamic orbit determination using positioning solutions is studied , and the positioning trajectory is smoothed out by the dynamic model , which reduces random error and improves orbit accuracy greatly 研究了基于单点定位结果的动力学定轨方法,实现了利用动力学模型平滑定位轨迹,极大地减少了定位的随机误差,提高了定轨精度。 |
| 9. | By testing the corrected image map , the mean error of point position was 1 meter , the maximal error was 2 meters , length distortions on x and y axis orientation were not more than 1 % and angle distortion was almost not existing 经检验,单点定位平均偏差为1m左右,最大偏差为2m左右,在x 、 y方向上的长度变形均不大于1 ,基本没有角度变形。 |
| 10. | This paper analyzes the positioning accuracy in resolving kinematic short range baseline , precise point positioning and kinematic long range baseline using phase smoothing pseudorange and introduces the applications of phase smoothing pseudorange to several precise positioning fields 摘要分析了载波相位平滑伪距在动态短基线解算、精密单点定位、动态长基线解算的精度,提出了载波相位平滑伪距在多种高精度定位中的应用。 |