00996cam0-22003491i-450 99000412674040332120200110125507.088-15-03007-7FED01000412674(Aleph)000412674FED0100041267419990604d1989----km-y0itay50------baitay-------001ydPlatone e la teoria delle ideeDavid RossBolognaIl Mulinoc1989313 p.21 cmUniversale paperbacks Il mulino226PlatoneTeoria della conoscenza18420Ross,David26514ITUNINARICAUNIMARCBK990004126740403321P.1 PLATO/S 149Bibl.31840FLFBCP.1 PLATO/S 149 BISBIBL. 2015/533FLFBCZIT-18122748MA1ZIT-18222748MA1FLFBCMA1Plato's theory ofideas1492087UNINA12721nam 22008055 450 991076030030332120231101232000.0981-9969-44-110.1007/978-981-99-6944-9(MiAaPQ)EBC30853367(Au-PeEL)EBL30853367(DE-He213)978-981-99-6944-9(CKB)28652799500041(EXLCZ)992865279950004120231101d2024 u| 0engurcnu||||||||txtrdacontentcrdamediacrrdacarrierChina Satellite Navigation Conference (CSNC 2024) Proceedings Volume III /edited by Changfeng Yang, Jun Xie1st ed. 2024.Singapore :Springer Nature Singapore :Imprint: Springer,2024.1 online resource (650 pages)Lecture Notes in Electrical Engineering,1876-1119 ;1094Print version: Yang, Changfeng China Satellite Navigation Conference (CSNC 2024) Proceedings Singapore : Springer Singapore Pte. Limited,c2023 9789819969432 Intro -- Editorial Board -- Preface -- Contents -- Satellite Orbit Determination and Precise Positioning -- Performance Analysis of BDS-3 Klobuchar Model -- 1 Introduction -- 2 Klobuchar model -- 3 Comparison on model algorithm -- 3.1 Main function -- 3.2 Mapping function -- 3.3 Other Formulas -- 4 Results and analysis -- 4.1 Average correction accuracy -- 4.2 Correction accuracy for different latitudes -- 4.3 Interchangeability of BDSKlob and GPSKlob models -- 5 Conclusions -- References -- Analysis of the Impact of Tonga Volcano Eruption on Satellite Navigation Services -- 1 Introduction -- 2 Analysis of the Tonga volcano eruption on satellite signal propagation -- 2.1 The Analysis of Troposphere Delay -- 2.2 The Analysis of Ionosphere Delay -- 3 Impact of Tonga Volcanic Explosion on Satellite Navigation Service and Monitoring -- 3.1 Impact on User Navigation and Positioning Services -- 3.2 Monitoring of Ionospheric Impacts -- 4 Conclusion -- References -- Prediction of Satellite Solar Radiation Pressure Parameters Based on Recurrent Neural Network -- 1 Introduction -- 2 Research Review -- 3 Recurrent Neural Network Model -- 4 Prediction Method of Satellite Solar Radiation Pressure Parameters Based on Recurrent Neural Network -- 5 Test Results and Analysis -- 6 Conclusions -- References -- Real-Time Kinematic Orbit Determination of GEO Satellite with the Onboard GNSS Receiver -- 1 Introduction -- 2 TTS-2 -- 2.1 Onboard GPS Data -- 2.2 Post-Process OD Results -- 3 Test Strategy -- 3.1 Data Preprocessing -- 3.2 OD Strategy -- 3.3 Test Design -- 4 Analysis and Results -- 4.1 Scenario 1 -- 4.2 Scenario 2 -- 5 Summarize -- References -- Analysis of the Contributions of ISL to the Precise Orbit Determination of BDS-3 Satellites -- 1 Introduction -- 2 Inter-Satellite Links -- 2.1 Observation Model -- 2.2 Data Processing -- 3 Results and Analysis.3.1 Incorporate Only ISL Range Observations -- 3.2 Incorporate Only ISL Clock Observations -- 3.3 Incorporate Both ISL Range and Clock Observations -- 4 Conclusion -- References -- BDS-3/GNSS Multi-frequency PPP Rapid Ambiguity Resolution -- 1 Introduction -- 2 Multi-frequency and Multi-system PPP-AR Principle -- 2.1 Multi-frequency Undifferenced and Uncombined PPP Observation Equations -- 2.2 Multi-frequency PPP-AR Based on BIAS Products -- 2.3 Rapid Ambiguity Resolution Strategy -- 3 Experiment Results -- 3.1 CNES BIAS Product Performance -- 3.2 BDS-3 Multi-frequency PPP-AR -- 3.3 GNSS Multi-frequency PPP-AR -- 3.4 Single-Epoch PPP-WAR -- 4 Conclusion -- References -- Effect of Troposphere Parameter Estimation on BDS PPP -- 1 Introduction -- 2 Mathematical Models and Methods -- 2.1 Precision Point Positioning Model -- 2.2 Tropospheric Delay Estimation Methods -- 3 Data Sources and Experimental Protocols -- 3.1 Data Sources -- 3.2 Experimental Protocols -- 4 Analysis of Experimental Results -- 4.1 ZTD Analysis -- 4.2 Analysis Based on PPP and ZTD Accuracy -- 5 Conclusion -- References -- Comprehensive Analysis of the Cycle Slip Detection Threshold in Kinematic PPP During Geomagnetic Storms -- 1 Introduction -- 2 Theory and Methods -- 2.1 TurboEdit Cycle Slip Detection Method -- 2.2 Adaptive GF Threshold Model -- 3 Space Weather Indices Variations -- 4 Experimental Analysis -- 4.1 Data Processing Strategies -- 4.2 Analysis of the Experiment Results -- 5 Conclusion -- References -- Analysis of Rapid Re-initialization Performance of Precise Point Positioning for Low-Cost Receiver -- 1 Introduction -- 2 Mathematical Model -- 2.1 Undifferenced and Uncombined Model -- 2.2 Time-Differenced Model -- 3 Partial Cycle Slip Fixing -- 3.1 Partial Cycle Slip Subset Filtering -- 3.2 Cycle Slip Estimate and Testing -- 4 Experimental Results and Analysis.4.1 Processing Strategy -- 4.2 Experimental Analysis -- 5 Conclusions -- References -- Prototype of Real-Time Orbit Service for LEO Navigation Satellite System -- 1 Introduction -- 2 Real-Time LEO POD System -- 2.1 System Composition -- 2.2 System Working Principle -- 3 Data Set and Processing Strategies -- 3.1 Data Set -- 3.2 Processing Strategies of LEO POD -- 3.3 Processing Strategies of Dynamic Orbit Prediction -- 3.4 Processing Strategies of Broadcast Ephemeris Fitting -- 4 Results and Analysis -- 4.1 Analysis of Near-Real-Time Kinematic Orbit Accuracy -- 4.2 Analysis of Dynamic Prediction Orbit Accuracy -- 4.3 Analysis of LEO Broadcast Ephemeris Accuracy -- 5 Conclusion -- References -- BDS3-Based Precise Orbit Determination for LEO Satellites with Single-Receiver Ambiguity Fixing -- 1 Introduction -- 2 Single-Receiver Ambiguity Fixing -- 3 Orbit Determination Strategy -- 4 Result Evaluation -- 4.1 Ambiguity Fixing Performance -- 4.2 Orbit Evaluation -- 4.3 Baseline Evaluation -- 5 Conclusion -- References -- Assessment About Parameters Selection Strategy of ECOMC Solar Radiation Pressure Model for BDS-3 Satellites During the Earth Eclipsing Period -- 1 Introduction -- 2 Applicability Analysis of Solar Radiation Pressure Model -- 2.1 ECOM/ECOMC Solar Radiation Pressure Model -- 2.2 Strategy of Precision Orbit Determination -- 2.3 Analysis of Variation Law of Solar Radiation Pressure Parameters -- 3 ECOMC Model Improvement Method -- 3.1 Correlation Analysis of Solar Radiation Pressure Parameters of ECOMC Model during the Earth Eclipsing Period -- 3.2 Result Analysis -- 4 Conclusions -- References -- Assessment of Solar Radiation Pressure Models for BDS-3 MEO Navigation Satellites -- 1 Introduction -- 2 Methodology of SRP Models -- 2.1 ECOM Series SRP Models -- 2.2 Prior SRP Models -- 3 Metadata and Yaw Mode of BDS-3 MEO Satellites.3.1 Metadata of BDS-3 MEO Satellites -- 3.2 Yaw Mode of BDS-3 MEO Satellites -- 4 Experiments and Analysis -- 4.1 Orbit Determination Strategy -- 4.2 SLR -- 4.3 Orbit Boundary Discontinuities -- 4.4 Analysis for Precise Orbit Products of IGS ACs -- 5 Summary and Conclusions -- References -- Combined Processing of Outlier and Multipath in GNSS Precise Point Positioning -- 1 Introduction -- 2 Combined Processing of Outlier and Multipath -- 3 Experiment Results and Analysis -- 4 Conclusion -- References -- Polar Motion Prediction Based on the Combination of Weighted Least Squares and Vector Autoregressive Models -- 1 Introduction -- 2 Prediction Methodology -- 2.1 Weighted Least Squares Extrapolation -- 2.2 Choice of Weighting Function -- 2.3 Vector Autoregressive Modelling -- 3 Result Analysis -- 3.1 Data Source -- 3.2 Correlation Between the Pole Coordinates -- 3.3 Comparison with the LS+AR -- 3.4 Comparison with the IERS Bulletin A -- 4 Conclusion -- References -- Precise Orbit and Clock Offset Determination of LEO Navigation Satellites Based on Multi-constellation and Multi-frequency Spaceborne GNSS Data -- 1 Introduction -- 2 Data Source and Calculation Principle -- 3 Precision Orbit Determination Analysis -- 3.1 PCO Estimation -- 3.2 DCB Correction -- 3.3 Orbit Accuracy -- 4 Precision Clock Determination Analysis -- 5 Conclusion -- References -- GNSS Carrier Phase Heading Determination with a Single Array Antenna -- 1 Introduction -- 2 Model of Carrier Phase Heading Determination With an Array Antenna -- 3 Iteration-Based Heading Determination Method -- 4 Baseline Constrained AR Method -- 5 Simulation Validation and Analysis -- 5.1 Simulation Setup -- 5.2 Heading Solution Analysis -- 5.3 Impact of the Number of Iterations on Heading Solutions -- 5.4 Impact of C-LAMBDA on Heading Solutions -- 6 Conclusions -- References.Performance Evaluation of BDS-3 Satellite Clocks Based on Inter-Satellite Link and Satellite-Ground Observations -- 1 Introduction -- 2 Method of Satellite Clock Performance Evaluation -- 2.1 Data Preprocessing -- 2.2 Frequency Accuracy -- 2.3 Frequency Drift Rate -- 2.4 Frequency Stability -- 3 Results of Satellite Clock Performance Evaluation -- 3.1 Frequency Accuracy -- 3.2 Frequency Drift Rate -- 3.3 Frequency Stability -- 4 Conclusions -- References -- Global Mapping of Ionospheric ROTI Index and Its Preliminary Application in Analysis of Precise Positioning Degradation -- 1 Introduction -- 2 Data and Methodology -- 2.1 Data -- 2.2 ROTI Index -- 2.3 Mapping Methodology for ROTI Index -- 2.4 Processing Strategy for Precise Point Positioning -- 3 Results and Discussions -- 3.1 Comparisons of Semi-Variogram Models for ROTI Mapping -- 3.2 Global ROTI Mapping for 2017 September 7-8 Storm -- 3.3 Kinematic PPP Degradation During the 2017 September Storm -- 4 Conclusions and Future Work -- References -- Precise Point Positioning Ambiguity Resolution with Multi-frequency Ionosphere-Reduced Combination -- 1 Introduction -- 2 Conventional IFPPP Ambiguity Resolution -- 3 Multi-frequency IRPPP Ambiguity Resolution -- 3.1 Multi-frequency IR Combination Selection -- 3.2 Multi-frequency IRPPP Observation Model -- 4 Experiment Analysis -- 4.1 Result Analysis of FCB -- 4.2 Performance Comparison of IRPPP and IFPPP -- 5 Conclusion -- References -- Simulation Study on Real-Time Orbit Determination Based on GNSS for LEO Satellite Considering the Effect of Electric Propulsion -- 1 Introduction -- 2 RTOD Algorithm -- 2.1 GNSS Measurements -- 2.2 Dynamical Model of LEO -- 2.3 Extended Kalman Filter Model -- 3 Simulation Scenarios and RTOD Strategy -- 3.1 Simulation Scenarios -- 3.2 RTOD Strategy -- 4 Results and Analysis -- 4.1 Tracking Performance.4.2 Acceleration Error.This book presents selected research papers from China Satellite Navigation Conference (CSNC) 2024, held in Jinan, China, on 22–24 May 2024. These papers discuss the technologies and applications of the Global Navigation Satellite System (GNSS) and in particular the latest advances in the China BeiDou System (BDS). They are divided into 8 topics to match the corresponding sessions at CSNC 2024, which broadly covered key topics in GNSS. Readers learn about the BDS and keep abreast of the latest advances in GNSS technologies and applications.Lecture Notes in Electrical Engineering,1876-1119 ;1094TelecommunicationSignal processingAerospace engineeringAstronauticsControl engineeringRoboticsAutomationGeographic information systemsCommunications Engineering, NetworksSignal, Speech and Image Processing Aerospace Technology and AstronauticsControl, Robotics, AutomationGeographical Information SystemTelecommunication.Signal processing.Aerospace engineering.Astronautics.Control engineering.Robotics.Automation.Geographic information systems.Communications Engineering, Networks.Signal, Speech and Image Processing .Aerospace Technology and Astronautics.Control, Robotics, Automation.Geographical Information System.621.382Yang Changfeng1227389Xie Jun1226731MiAaPQMiAaPQMiAaPQBOOK9910760300303321China Satellite Navigation Conference (CSNC 2024) Proceedings3598220UNINA