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A Station-Specific Ionospheric Modeling Method for the Estimation and Analysis of BeiDou-3 Differential Code Bias Parameters 北斗三号差分码偏参数估计与分析的台站电离层建模方法
IF 2.2 3区 地球科学
Navigation-Journal of the Institute of Navigation Pub Date : 2022-01-01 DOI: 10.33012/navi.509
Ningbo Wang, Zishen Li, A. Krankowski, X. Huo
{"title":"A Station-Specific Ionospheric Modeling Method for the Estimation and Analysis of BeiDou-3 Differential Code Bias Parameters","authors":"Ningbo Wang, Zishen Li, A. Krankowski, X. Huo","doi":"10.33012/navi.509","DOIUrl":"https://doi.org/10.33012/navi.509","url":null,"abstract":"","PeriodicalId":56075,"journal":{"name":"Navigation-Journal of the Institute of Navigation","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77262183","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Navigator Notes 导航器的笔记
IF 2.2 3区 地球科学
Navigation-Journal of the Institute of Navigation Pub Date : 2022-01-01 DOI: 10.33012/navi.512
R. Langley
{"title":"Navigator Notes","authors":"R. Langley","doi":"10.33012/navi.512","DOIUrl":"https://doi.org/10.33012/navi.512","url":null,"abstract":"","PeriodicalId":56075,"journal":{"name":"Navigation-Journal of the Institute of Navigation","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76797982","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
High-Accuracy Static Baseline Estimation using NavIC L5 Observables 基于NavIC L5观测数据的高精度静态基线估计
IF 2.2 3区 地球科学
Navigation-Journal of the Institute of Navigation Pub Date : 2022-01-01 DOI: 10.33012/navi.517
A. Althaf, H. Hablani
{"title":"High-Accuracy Static Baseline Estimation using NavIC L5 Observables","authors":"A. Althaf, H. Hablani","doi":"10.33012/navi.517","DOIUrl":"https://doi.org/10.33012/navi.517","url":null,"abstract":"The estimation of static baselines using NavIC L5 double-differenced (DD) pseudoranges and carrier phases is investigated. We estimate the baseline with increasing accuracy by using the DD pseudoranges, smoothing the DD pseudoranges with the DD carrier phases, fixing the ambiguities in DD carrier phases, and imposing height-constraints on ambiguity and baseline estimates. Using the DD pseudoranges in estimating a 6-m baseline, the 3D root-mean-square error (RMSE) is 1.71 m. By incorporating the DD carrier-phase measurements and fixing its ambiguities, we achieved a 3D steady-state accuracy of 3 cm and convergence time of 23 minutes for a 350-m baseline in the secondary service area of NavIC. Further performance gains were achieved using a height-constrained solution in which 3D steady-state accuracy and convergence time was improved to 1 cm and 8 minutes, respectively.","PeriodicalId":56075,"journal":{"name":"Navigation-Journal of the Institute of Navigation","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74970951","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Role of Antennas on GNSS Pseudorange and Multipath Errors and Their Impact on DFMC Multipath Models for Avionics 天线对GNSS伪距和多径误差的影响及其对航电DFMC多径模型的影响
IF 2.2 3区 地球科学
Navigation-Journal of the Institute of Navigation Pub Date : 2022-01-01 DOI: 10.33012/navi.532
S. Caizzone, Mihaela‐Simona Circiu, W. Elmarissi, C. Enneking, M. Rippl, M. Sgammini
{"title":"The Role of Antennas on GNSS Pseudorange and Multipath Errors and Their Impact on DFMC Multipath Models for Avionics","authors":"S. Caizzone, Mihaela‐Simona Circiu, W. Elmarissi, C. Enneking, M. Rippl, M. Sgammini","doi":"10.33012/navi.532","DOIUrl":"https://doi.org/10.33012/navi.532","url":null,"abstract":"Current satellite navigation systems are providing more and more dual-frequency capabilities, enabling improved navigation accuracy and a reduction of residual errors (e","PeriodicalId":56075,"journal":{"name":"Navigation-Journal of the Institute of Navigation","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80921241","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
INS Stochastic Noise Impact on Circular Error Probability of Ballistic Missiles 随机噪声对弹道导弹圆误差概率的影响
IF 2.2 3区 地球科学
Navigation-Journal of the Institute of Navigation Pub Date : 2022-01-01 DOI: 10.33012/navi.523
Salem Abd El-Hakem Hegazy, A. Kamel, I. Arafa, Y. Elhalwagy
{"title":"INS Stochastic Noise Impact on Circular Error Probability of Ballistic Missiles","authors":"Salem Abd El-Hakem Hegazy, A. Kamel, I. Arafa, Y. Elhalwagy","doi":"10.33012/navi.523","DOIUrl":"https://doi.org/10.33012/navi.523","url":null,"abstract":"","PeriodicalId":56075,"journal":{"name":"Navigation-Journal of the Institute of Navigation","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81185009","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Real-Time Precise GPS Orbit and Clock Estimation With a Quasi-Orbit-Fixed Solar Radiation Pressure Model 基于准轨道固定太阳辐射压力模型的实时精确GPS轨道和时钟估计
IF 2.2 3区 地球科学
Navigation-Journal of the Institute of Navigation Pub Date : 2022-01-01 DOI: 10.33012/navi.549
Peizhao Liu, Junping Chen
{"title":"Real-Time Precise GPS Orbit and Clock Estimation With a Quasi-Orbit-Fixed Solar Radiation Pressure Model","authors":"Peizhao Liu, Junping Chen","doi":"10.33012/navi.549","DOIUrl":"https://doi.org/10.33012/navi.549","url":null,"abstract":"Real-time precise global navigation satellite system (GNSS) orbit and clock products play a key role for real-time GNSS-based applications, both in the scientific and industrial communities. Different from the typical two-step procedure to generate orbit and clock solutions separately, we estimate the real-time orbit and clock products simultaneously using a Kalman filter. For this purpose, we developed a GNSS data processing software that can run in pseudo-real-time mode with RINEX files and is ready to run in real-time mode once given the real-time observation stream. Meanwhile, a quasi-orbit-fixed solar radiation pressure (SRP) model is developed. In order to verify the performance of the software and the new SRP model, several experiments with a global network of 60 tracking stations over a time span of three months were conducted to generate real-time Global Positioning System (GPS) orbit and clock products. Then, the results were assessed in terms of accuracy and efficiency, both critical for real-time precise GNSS applications. Compared to the International GNSS Service (IGS) final orbits, the real-time GPS orbit accuracy was 2.82 cm, 5.45 cm, and 5.47 cm in the radial, along-track, and cross-track components, respectively. The precision of the clock product in terms of standard deviation (STD) value was about 0.1 ns. Moreover, the average execution time per epoch was usually less than 1.0 s, which ensures the high efficiency of the processing.","PeriodicalId":56075,"journal":{"name":"Navigation-Journal of the Institute of Navigation","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89445149","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Precise Onboard Time Synchronization for LEO Satellites 低轨道卫星精确星载时间同步
IF 2.2 3区 地球科学
Navigation-Journal of the Institute of Navigation Pub Date : 2022-01-01 DOI: 10.33012/navi.531
F. Kunzi, O. Montenbruck
{"title":"Precise Onboard Time Synchronization for LEO Satellites","authors":"F. Kunzi, O. Montenbruck","doi":"10.33012/navi.531","DOIUrl":"https://doi.org/10.33012/navi.531","url":null,"abstract":"Onboard time synchronization is an important requirement for a wide range of low Earth orbit (LEO) missions such as altimetry or communication services, and extends to future position, navigation, and timing (PNT) services in LEO. For GNSS-based time synchronization, continuous knowledge about the satel lite’s position is required and, eventually, the quality of the position solution defines the timing precision attainable through GNSS measurements. Previous research has shown that real-time GNSS orbit determination of LEO satellites can achieve decimeter-level accuracy. This paper characterizes the performance of GNSS-based real-time clock syn chronization in LEO using the satellite Sentinel-6A as a real-world case study. The satellite’s ultra-stable oscillator (USO) and triple-frequency GPS/Galileo receiver provide measurements for a navigation filter representative of real-time onboard processing. Continuous evaluation of actual flight data over 14 days shows that a 3D orbit root-mean-square (RMS) error of 11 cm and a 0.9-ns clock standard deviation can be achieved.","PeriodicalId":56075,"journal":{"name":"Navigation-Journal of the Institute of Navigation","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81375386","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
High-Precision Vision Localization System for Autonomous Guided Vehicles in Dusty Industrial Environments 多尘工业环境下自动导向车辆的高精度视觉定位系统
IF 2.2 3区 地球科学
Navigation-Journal of the Institute of Navigation Pub Date : 2022-01-01 DOI: 10.33012/navi.502
Xingjie Liu, Guolei Wang, Ken Chen
{"title":"High-Precision Vision Localization System for Autonomous Guided Vehicles in Dusty Industrial Environments","authors":"Xingjie Liu, Guolei Wang, Ken Chen","doi":"10.33012/navi.502","DOIUrl":"https://doi.org/10.33012/navi.502","url":null,"abstract":"Autonomous guided vehicles (AGVs) are widely used in ports and warehouses during the ongoing Fourth Industrial Revolution (Industry 4.0). AGVs can transfer cargoes to their correct destinations or carry industrial robots to work from various directions. In cases like Arthur et al. (2008) and Hofacker (1993), engineers put a robot on an AGV to finish aircraft manufacturing instead of a fixed robotic system such as a gantry crane or guide rail on the ground. An AGV can avoid structural transformation and has high adaptability in various applications. However, highly accurate AGV localization is required for safe driving and precise robotic operations. Several studies have investigated high-precision localization methods for AGVs since 1908. A classical method involves setting magnetic or electric cables underground for tracking. AGVs would follow the cable path by electromagnetic induction (Chen et al., 2004) using special sensors. This method is still widely used in modern factories. It can maintain a position accuracy of around 10 mm. However, it damages the original ground and can be easily affected by magnetic and electric fields. Some studies used a monocular camera (Wu et al., 2019) to track colored stripes and quick response (QR) codes. The positioning error in those studies could be State Key Laboratory of Tribology, Tsinghua University, Beijing, China","PeriodicalId":56075,"journal":{"name":"Navigation-Journal of the Institute of Navigation","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84095122","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Robust Modeling of GNSS Orbit and Clock Error Dynamics GNSS轨道和时钟误差动力学鲁棒建模
IF 2.2 3区 地球科学
Navigation-Journal of the Institute of Navigation Pub Date : 2022-01-01 DOI: 10.33012/navi.539
Elisa Gallon, M. Joerger, B. Pervan
{"title":"Robust Modeling of GNSS Orbit and Clock Error Dynamics","authors":"Elisa Gallon, M. Joerger, B. Pervan","doi":"10.33012/navi.539","DOIUrl":"https://doi.org/10.33012/navi.539","url":null,"abstract":"both applications, dynamic models for the three main error sources","PeriodicalId":56075,"journal":{"name":"Navigation-Journal of the Institute of Navigation","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79118326","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Impact of GNSS-Band Radio Interference on Operational Avionics gnss波段无线电干扰对作战航空电子设备的影响
IF 2.2 3区 地球科学
Navigation-Journal of the Institute of Navigation Pub Date : 2022-01-01 DOI: 10.33012/navi.516
O. Osechas, Friederike Fohlmeister, T. Dautermann, M. Felux
{"title":"Impact of GNSS-Band Radio Interference on Operational Avionics","authors":"O. Osechas, Friederike Fohlmeister, T. Dautermann, M. Felux","doi":"10.33012/navi.516","DOIUrl":"https://doi.org/10.33012/navi.516","url":null,"abstract":"GNSS outages due to intentional jamming affecting the airspace over the Eastern Mediterranean have received significant","PeriodicalId":56075,"journal":{"name":"Navigation-Journal of the Institute of Navigation","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72519580","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
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