Optimal Doppler-aided smoothing strategy for GNSS navigation
Optimal Doppler-aided smoothing strategy for GNSS navigation
复制标题
GNSS 导航的最优多普勒辅助平滑策略
DOI：
10.1007/s10291-015-0512-y
复制
发表时间：
2016
期刊：
影响因子：
4.9
通讯作者：
Bofeng Li
中科院分区：
文献类型：
--
作者：
Zebo Zhou;Bofeng Li
Carrier-phase-smoothed code (CPSC), i.e., smoothing of the code using carrier phases, has widely been used to reduce the code noise in GNSS applications. However, the efficiency of CPSC suffers significantly from cycle slips, interruptions and jitters. The GNSS Doppler, as an instantaneous measurement, is robust and immune to cycle slips and proven useful in GNSS-challenged environments. We develop optimal Doppler-smoothed code based on the principle of minimum variance using the Hatch filter for two typical applications, which are called pure Doppler-smoothed code (PDSC) and continued Doppler-smoothed code. PDSC results from smoothing the code using only Doppler, whereas in case of continued Doppler-smoothed code, the smoothing continues using Doppler once the carrier phase becomes unavailable. Furthermore, in order to refine the Doppler-smoothed code model, a balance factor is introduced for adjusting the contributions of raw code and Doppler measurements to the smoothed code in case the Doppler noise is relatively large. Finally, experiments are carried out to demonstrate the performance of the theory, which verifies its validity and efficiency.
登录
查看更多内容
影响因子：
--
作者：
F. Graas;Shane-Woei Lee
通讯作者：
F. Graas;Shane-Woei Lee
DOI：
--
发表时间：
2011
期刊：
--
影响因子：
--
作者：
M. Bahrami;M. Ziebart
通讯作者：
M. Bahrami;M. Ziebart
影响因子：
6.7
作者：
Li Bofeng
通讯作者：
Li Bofeng
DOI：
10.1007/978-3-642-29187-6_39
发表时间：
2012
期刊：
--
影响因子：
--
作者：
Zebo Zhou;Yunzhong Shen;Bofeng Li
通讯作者：
Zebo Zhou;Yunzhong Shen;Bofeng Li
影响因子：
4.9
作者：
Kuusniemi, H;Lachapelle, G;Takala, JH
通讯作者：
Takala, JH