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High-precision Time Synchronization Algorithm for Unmanned Aerial Vehicle Ad Hoc Networks based on Bidirectional Pseudo-range Measurements 期刊论文
AD HOC NETWORKS, 2024, 卷号: 152, 页码: 14
作者:  Bai, Kaiyuan;  Wu, Jianfeng;  Wu, Huabing
收藏  |  浏览/下载：2/0  |  提交时间：2023/12/13
time synchronization  sub-nanosecond accuracy  wireless ad hoc networks  distributed algorithm  multi-hop dynamic networks  transmission delay elimination  
针对eLORAN系统窄带干扰的权函数陷波算法 期刊论文
电子与信息学报, 2023, 卷号: 45, 期号: 3, 页码: 996
作者:  刘时尧;  华宇;  张首刚
收藏  |  浏览/下载：2/0  |  提交时间：2023/12/13
Enhanced LORAN (eLORAN)  Notch Filter (NF)  Weight-Function Notch Filter (WF-NF) algorithm  In-band interference  Detection frequency difference  增强型罗兰  NF陷波器  权函数陷波算法  带内干扰  检测频差  
Prompt Frequency Stabilization of Ultra-Stable Laser via Improved Mean Shift Algorithm 期刊论文
ELECTRONICS, 2022, 卷号: 11, 期号: 9, 页码: 10
作者:  Fan, Le;  Jiao, Dongdong;  Liu, Jun;  Chen, Long;  Xu, Guanjun;  Zhang, Linbo;  Liu, Jie;  Dong, Ruifang;  Liu, Tao;  Zhang, Shougang
收藏  |  浏览/下载：0/0  |  提交时间：2022/08/15
auto-locking  ultra-stable laser  mean shift algorithm  scanning  transmission signal  
A Shrink-Branch-Bound Algorithm for eLoran Pseudorange Positioning Initialization 期刊论文
REMOTE SENSING, 2022, 卷号: 14, 期号: 8, 页码: 21
作者:  Liu, Kaiqi;  Yuan, Jiangbin;  Yan, Wenhe;  Yang, Chaozhong;  Guo, Wei;  Li, Shifeng;  Hua, Yu
收藏  |  浏览/下载：0/0  |  提交时间：2022/08/15
pseudorange positioning  branch and bound  nonlinear least squares  eLoran  trust region reflective algorithm  initialization  
Optimization of ground tracking stations for BDS-3 satellite orbit determination 期刊论文
ADVANCES IN SPACE RESEARCH, 2021, 卷号: 68, 期号: 10, 页码: 4069-4087
作者:  Zhang, Rui;  Tu, Rui;  Zhang, Pengfei;  Fan, Lihong;  Han, Junqiang;  Wang, Siyao;  Hong, Ju;  Lu, Xiaochun
Adobe PDF(4989Kb)  |  收藏  |  浏览/下载：4/0  |  提交时间：2021/11/26
Bds-3  Satellite Orbit Determination  Ground Tracking Station  Optimization Algorithm  Inter-satellite Link  
Online algorithm for variance components estimation 期刊论文
COMMUNICATIONS IN NONLINEAR SCIENCE AND NUMERICAL SIMULATION, 2021, 卷号: 97, 页码: 13
作者:  Zhang, Xinggang;  Lu, Xiaochun
收藏  |  浏览/下载：0/0  |  提交时间：2021/11/29
Batch-EM algorithm  Stochastic approximation  Precise point positioning  Kalman filter  
Recursive estimation of the stochastic model based on the Kalman filter formulation 期刊论文
GPS SOLUTIONS, 2021, 卷号: 25, 期号: 1, 页码: 7
作者:  Zhang, Xinggang;  Lu, Xiaochun
收藏  |  浏览/下载：0/0  |  提交时间：2021/11/29
Variance components estimation  Batch EM algorithm  Precise point positioning  Kalman filter  Real-time mode  
An Improved Long-Period Precise Time-Relative Positioning Method Based on RTS Data 期刊论文
SENSORS, 2021, 卷号: 21, 期号: 1, 页码: 21
作者:  Lu, Yangwei;  Ji, Shengyue;  Tu, Rui;  Weng, Duojie;  Lu, Xiaochun;  Chen, Wu
收藏  |  浏览/下载：1/0  |  提交时间：2021/11/29
GNSS  satellite receivers  positioning error  positioning algorithm  
Automatic Calibration of Process Noise Matrix and Measurement Noise Covariance for Multi-GNSS Precise Point Positioning 期刊论文
MATHEMATICS, 2020, 卷号: 8, 期号: 4, 页码: 20
作者:  Zhang, Xinggang;  Li, Pan;  Tu, Rui;  Lu, Xiaochun;  Ge, Maorong;  Schuh, Harald
收藏  |  浏览/下载：11/0  |  提交时间：2020/09/01
EM-algorithm  multi-GNSS  PPP  process noise  observation covariance matrix  extended Kalman filter  machine learning  
eLoran系统ASF网格应用算法研究 期刊论文
宇航计测技术, 2020, 卷号: 40, 期号: 5, 页码: 43
作者:  李云;  华宇;  燕保荣;  郭伟
收藏  |  浏览/下载：2/0  |  提交时间：2021/11/29
eLoran system ASF(Additional Secondary Factor)grid  Interpolation algorithm Error  E罗兰系统  附加二次相位因子网格  插值算法  误差