基于原始观测值的单频精密单点定位算法
王利， 张勤， 涂锐， 刘站科 - 测绘学报, 2015 - xb.chinasmp.com
研究了一种基于GPS 原始观测值的单频PPP 算法. 该算法通过增加电离层延迟先验信息,
空间和时间约束的虚拟观测方程, 将电离层延迟当作未知参数与其他定位参数一并进行估计来 …
空间和时间约束的虚拟观测方程, 将电离层延迟当作未知参数与其他定位参数一并进行估计来 …
电离层延迟对单频GPS 点的影响及改正方法研究
张超， 戴吾蛟， 石强， 曾凡河， 匡翠林 - 武汉大学学报(信息科学版), 2018 - ch.whu.edu.cn
电离层延迟是单频GPS 地面沉降监测点的最主要误差源, 如何削弱该误差的影响是提高单双频
混合地面沉降监测系统精度的关键. 采用中国广州南沙单双频混合GPS 地面沉降监测网数据 …
混合地面沉降监测系统精度的关键. 采用中国广州南沙单双频混合GPS 地面沉降监测网数据 …
A kind of single-frequency precise point positioning algorithm based on the raw observations
W Li, Z Qin, TU Rui, LIU Zhanke - Acta Geodaetica et …, 2015 - xb.chinasmp.com
A kind of single-frequency precise point positioning (PPP) algorithm based on the raw
observations is presented in this paper. By this algorithm, the ionospheric delays were …
observations is presented in this paper. By this algorithm, the ionospheric delays were …
GPS 单双频混合方法在地表形变监测中的应用
匡翠林， 张晋升， 卢辰龙， 易重海 - 武汉大学学报(信息科学版), 2016 - ch.whu.edu.cn
在地表形变监测中, 若全采用双频GPS 则费用过高, 若全采用单频GPS 则因电离层误差得不到较
好消除而导致精度下降. 针对这一问题, 本文采用GPS 单双频混合模式, 即通过解算监测区域 …
好消除而导致精度下降. 针对这一问题, 本文采用GPS 单双频混合模式, 即通过解算监测区域 …
Influence of Ionosphere Delay on Single Frequency GPS Point and Its Correction Method
C ZHANG, W DAI, Q SHI, F ZENG… - … and Information Science …, 2018 - ch.whu.edu.cn
Ionosphere delay is the dominant error source of single frequency GPS ground deformation
monitoring point coordinate precision, how to reduce the error source influence is the key …
monitoring point coordinate precision, how to reduce the error source influence is the key …
Single-and Dual-Frequency Mixed Mode GPS Network for Ground Deformation Monitoring
C KUANG, J ZHANG, C LU, Z YI - Geomatics and Information …, 2016 - ch.whu.edu.cn
Ground subsidence monitoring is costly if we use dual-frequency GPS receivers for all
stations while positioning precision will decrease if we use single-frequency GPS receivers …
stations while positioning precision will decrease if we use single-frequency GPS receivers …
[PDF][PDF] Design and verification of GPS IF software analogue signal simulator
H Feijiang, L Xiaochun, L Xiaoyong, Z Wenxi… - cmnt.lv
For the need of GPS intermediate-frequency (IF) analogue signal in various dynamics and
disturbances, this paper has proposed a design to realize GPS IF signal simulator with …
disturbances, this paper has proposed a design to realize GPS IF signal simulator with …