【摘 要】
：
Carrier-smoothed-code (CSC) algorithm is an e ective pseudorange multipath mitigation technique, which can alleviate the compu- tational burden and reduce the communication bandwidth needed for the tr
【出 处】
：
Progress in Natural Science
论文部分内容阅读
Carrier-smoothed-code (CSC) algorithm is an e ective pseudorange multipath mitigation technique, which can alleviate the compu- tational burden and reduce the communication bandwidth needed for the transmission of GPS observations. This paper presents
其他文献
The dominant source of error in VLBI phase-referencing is the troposphere at observing frequencies above 5 GHz. We compare the tropospheric zenith delays derived from VLBI and GPS data at VLBA station
The algorithm of using one-day-arc to integrate n-days-arc by orbit overlaying is discussed in detail. An example is given, which proves that the orbit integration method can improve the precision of
SVLBI (space very long baseline interferometry) has some important potential applications in geodesy and geodynam- ics, for which one of the most difficult tasks is to precisely determine the orbit of
To obtain higher accurate position estimates, the stochastic model is estimated by using residual of observations, hence, the stochastic model describes the noise and bias in measurements more realist
An algorithm (differential mode) is presented for the improvement of harmonic tidal analysis along T/P tracks, in which the differences between the observed sea surface heights at adjacent points are
Recently,direct acquisition of GPS P-code has received considerable attention to enhance the anti-jamming and anti-spoofing capabilities of GPS receivers. This paper describes a P-code acquisition met
随着GPS的广泛应用,差分定位技术的发展,RTK定位技术应用越来越广泛,尤其在测量中的应用,更得到迅速发展。在测量中如何应用RTK技术的优势,又给测量界提出一个新的课题。本文重点论述RTK的优缺点、主要误差源及应用中应注意的大问题,使其在测量应用中达到快速、可靠、高精度的工作境界。
在介绍Galileo系统空间信号的基础上,以模糊度保持整数为前提,在前人的基础上给出了Galileo系统的四个频率载波与GPS L2载波的组合相位观测值的定义,分析了组合观测值的误差传播规律。最后根据一定的组合标准论述了具有相应特性的组合观测值,并给出一些典型的组合。
比较了GPS快速静态定位和静态定位两种观测方法,最后给出几点结论。
结合TIK正则化算法和移去-恢复技术对航空重力测量数据进行向下延拓的仿真实验。TIK正则化算法能有效的抑制高频噪声和解决向下延拓不稳定的问题。在向下延拓过程中,测量高度、地形引力等因素对延拓结果有影响。利用移去-恢复技术能有效缓解测量高度及地形对航空重力数据向下延拓的影响。仿真实验将不同高度的重力异常向下延拓,研究高度和地形对向下延拓的影响,实验结果表明,在条件允许的情况下,测量高度应该尽可能的低