top

  Info

  • Utilizzare la checkbox di selezione a fianco di ciascun documento per attivare le funzionalità di stampa, invio email, download nei formati disponibili del (i) record.

  Info

  • Utilizzare questo link per rimuovere la selezione effettuata.

Biblioteca

MARC Lista (tabellare)
China Satellite Navigation Conference (CSNC 2021) . Volume III : proceedings / / Changfeng Yang, Jun Xie, editors
China Satellite Navigation Conference (CSNC 2021) . Volume III : proceedings / / Changfeng Yang, Jun Xie, editors
Edizione [1st ed. 2021.]
Pubbl/distr/stampa Gateway East, Singapore : , : Springer, , [2021]
Descrizione fisica 1 online resource (XXIII, 678 p. 404 illus., 318 illus. in color.)
Disciplina 621.380422
Collana Lecture Notes in Electrical Engineering
Soggetto topico Artificial satellites in navigation
ISBN 981-16-3146-8
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Professional GNSS Applications -- GNSS Applications for the Mass Market -- GNSS and Their Augmentations -- Satellite Orbits and Precise Positioning -- Time Frequencies and Precision Timing -- Autonomous Navigation and Intelligent Operation -- GNSS Signal Processing -- GNSS User Terminals -- PNT Architectures and New PNT Technologies -- PoliciesStandards and Intellectual Property Rights.
Record Nr. UNINA-9910485013903321
Gateway East, Singapore : , : Springer, , [2021]
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
China satellite navigation conference (CSNC 2021) proceedings . Volume II / / Changfeng Yang, Jun Xie, editors
China satellite navigation conference (CSNC 2021) proceedings . Volume II / / Changfeng Yang, Jun Xie, editors
Edizione [1st ed. 2021.]
Pubbl/distr/stampa Singapore : , : Springer, , [2021]
Descrizione fisica 1 online resource (XXII, 684 p. 406 illus., 353 illus. in color.)
Disciplina 621.380422
Collana Lecture Notes in Electrical Engineering
Soggetto topico Artificial satellites in navigation
Artificial satellites in telecommunication
ISBN 981-16-3142-5
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Professional GNSS Applications -- GNSS Applications for the Mass Market -- GNSS and Their Augmentations -- Satellite Orbits and Precise Positioning -- Time Frequencies and Precision Timing -- Autonomous Navigation and Intelligent Operation -- GNSS Signal Processing -- GNSS User Terminals -- PNT Architectures and New PNT Technologies -- Policies Standards and Intellectual Property Rights.
Record Nr. UNINA-9910483599803321
Singapore : , : Springer, , [2021]
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
China Satellite Navigation Conference (CSNC 2022) Proceedings . Volume II / / Changfeng Yang and Jun Xie
China Satellite Navigation Conference (CSNC 2022) Proceedings . Volume II / / Changfeng Yang and Jun Xie
Autore Yang Changfeng
Pubbl/distr/stampa Singapore : , : Springer, , [2022]
Descrizione fisica 1 online resource (673 pages)
Disciplina 629.045
Collana Lecture Notes in Electrical Engineering
Soggetto topico Artificial satellites in navigation
Artificial satellites in telecommunication
ISBN 981-19-2580-1
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Record Nr. UNINA-9910568294803321
Yang Changfeng  
Singapore : , : Springer, , [2022]
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
China Satellite Navigation Conference (CSNC 2022) proceedings . Volume I / / Changfeng Yang and Jun Xie, editors
China Satellite Navigation Conference (CSNC 2022) proceedings . Volume I / / Changfeng Yang and Jun Xie, editors
Pubbl/distr/stampa Singapore : , : Springer, , [2022]
Descrizione fisica 1 online resource (586 pages)
Disciplina 623.893
Collana Lecture notes in electrical engineering
Soggetto topico Artificial satellites in navigation
Artificial satellites in telecommunication
ISBN 981-19-2588-7
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Record Nr. UNINA-9910568279203321
Singapore : , : Springer, , [2022]
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
China Satellite Navigation Conference (CSNC 2022) proceedings . Volume II / / Changfeng Yang and Jun Xie, editors
China Satellite Navigation Conference (CSNC 2022) proceedings . Volume II / / Changfeng Yang and Jun Xie, editors
Pubbl/distr/stampa Cham, Switzerland : , : Springer, , [2022]
Descrizione fisica 1 online resource (634 pages)
Disciplina 623.893
Collana Transdisciplinary perspectives in educational research
Soggetto topico Artificial satellites in navigation
Artificial satellites in telecommunication
ISBN 981-19-2576-3
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Record Nr. UNINA-9910568294503321
Cham, Switzerland : , : Springer, , [2022]
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
China Satellite Navigation Conference (CSNC 2024) Proceedings [[electronic resource] ] : Volume I / / edited by Changfeng Yang, Jun Xie
China Satellite Navigation Conference (CSNC 2024) Proceedings [[electronic resource] ] : Volume I / / edited by Changfeng Yang, Jun Xie
Autore Yang Changfeng
Edizione [1st ed. 2024.]
Pubbl/distr/stampa Singapore : , : Springer Nature Singapore : , : Imprint : Springer, , 2024
Descrizione fisica 1 online resource (569 pages)
Disciplina 621.382
Altri autori (Persone) XieJun
Collana Lecture Notes in Electrical Engineering
Soggetto topico Telecommunication
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
ISBN 981-9969-28-X
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Intro -- Editorial Board -- Preface -- Contents -- GNSS Applications -- UAV Dam Crack Detection System Based on Beidou and LIDAR -- 1 Introduction -- 2 Current Status of Research -- 3 System Introduction -- 4 System Implementation -- 4.1 Data Acquisition -- 4.2 Data Management -- 4.3 Data Processing -- 4.4 Control Center -- 5 Crack Detection Simulation Experiment -- 6 Innovation and Application Prospects -- 6.1 Innovation Points -- 6.2 Application Prospects -- 6.3 Uncertainties and Shortcomings -- References -- Beidou+5G-Based Plug-In Data Platform to Enhance the Accuracy of Smart Terminal App Applications -- 1 Introduction -- 2 Plug-In Data Platform Design -- 3 Experimental Results and Analysis -- 3.1 Quality Comparison of GNSS Observations -- 3.2 Navigation and Positioning Results and Analysis -- 4 Conclusions -- References -- Analysis on Effects of L-Band Solar Radio Bursts on GNSS -- 1 Introduction -- 2 Background -- 2.1 Surveillance Background -- 2.2 Fundamentals of Data -- 3 Effects on Receiving Signals -- 3.1 Analysis of Carrier-To-Noise Ratio Interference of GPS Signal in IGS Tracking Stations -- 3.2 Interference Analysis of Carrier-To-Noise Ratio of Swarm Satellites GPS Signal -- 3.3 The Relationship Between Altitude Angle of the Receiver to the Sun and the Change of Its Carrier-To-Noise Ratio -- 3.4 Characteristic of Interference -- 4 Effects on Positioning -- 5 Conclusion -- References -- GNSS-IR Retrieval of Soil Moisture in Sugarcane Plantation Based on Cross-Correlation Satellite Selection Method -- 1 Introduction -- 2 Principles and Methods -- 3 Experiment Analysis -- 4 Conclusion -- References -- Extraction of Soil Moisture Based GNSS-R Considering Vegetation Factors -- 1 Introduction -- 2 Observation Data -- 2.1 CYGNSS GNSS-R Data -- 2.2 SMAP Data -- 2.3 ISMN Data -- 3 Methodology -- 4 Results and Analysis.
4.1 Evaluation at Quasi-global Scale -- 4.2 Validation at In-situ Sites -- 5 Conclusion and Discussion -- References -- A Non-contact Tilt Compensation Method Based on Monocular Camera/GNSS/INS -- 1 Introduction -- 2 Coordinate System, Symbol Definition -- 3 Basic Model of Non-contact Measurement -- 4 Error Analysis of Non-contact Measurement -- 5 Camera Attitude Optimization -- 5.1 Get Camera Prior Pose -- 5.2 Reconstruction of 3D Model -- 5.3 Optimizing Camera Pose -- 6 Experiment and Results -- 6.1 Experimental Design -- 6.2 Experimental Results -- 7 Conclusion -- References -- CYGNSS High Spatiotemporal Resolution Flood Monitoring Based on POBI Interpolation: A Case Study of 2022 Pakistan Catastrophic Floods -- 1 Introduction -- 2 Data and Methods -- 2.1 Study Area -- 2.2 CYGNSS Data -- 2.3 SMAP Data and SMOS Data -- 2.4 CYGNSS SR -- 2.5 POBI Spatial Interpolation Method -- 3 Results -- 3.1 SR Threshold -- 3.2 SMAP Flood Monitoring Results -- 3.3 CYGNSS Flood Monitoring Results After POBI Interpolation -- 4 Conclusion -- References -- Modeling and Performance Evaluation of TomoSAR System Based on Reflected Signal of Beidou Navigation Satellite -- 1 Introduction -- 2 Signal Model of GNSS-TomoSAR -- 3 GNSS-TomoSAR Performance Indicators -- 4 Verification by Simulation -- 5 Conclusion -- References -- Soil Moisture Inversion Based on Dual-Frequency Signal of QZSS GEO Satellite -- 1 Introduction -- 2 Experiment Theory -- 2.1 Principle of GNSS-R Soil Moisture Inversion -- 2.2 QZSS System and L1 C/A, L5 Signal Characteristics -- 2.3 Signal Power Acquisition -- 3 Experiment and Results -- 3.1 Area of Study -- 3.2 Soil Moisture Detection Results -- 4 Generalize -- References -- Comparison and Analysis of Tidal Level Monitoring Accuracy Between GNSS-IR and Satellite Altimetry -- 1 Introduction -- 2 Datasets Description -- 2.1 Datasets.
2.2 Unification of Time Bases -- 2.3 Elevation Datum Conversion -- 2.4 Principle of GNSS-IR Technology -- 2.5 Principle of Satellite Altimetry Technology -- 3 Comparison and Characterization of Tide Level Monitoring Between GNSS-IR and Satellite Altimetry -- 4 Conclusions -- References -- Performance Assess of BDS-3 PPP-B2b Signal Service and Its Application in Precipitable Water Vapor Retrieval -- 1 Introduction -- 2 Methodology -- 2.1 The Theoretical Methods of PPP -- 2.2 The Atmospheric Water Vapor Retrieval Method Based on PPP-B2b Signal -- 3 Evaluation of the PPP-B2b Signal Service Range -- 3.1 Accuracy Evaluation of Satellite Orbit Corrected by PPP-B2b Signal -- 3.2 Accuracy Evaluation of Satellite Clock Offset Corrected by PPP-B2b Signal -- 3.3 Evaluation of PPP-B2b Service Performance -- 4 Application of PPP-B2b Signal in Water Vapor Retrieval -- 4.1 Accuracy Evaluation of ZTD -- 4.2 Accuracy Evaluation of PWV -- 5 Conclusion -- References -- Deformation Monitoring Experiment and Data Analysis of Beidou Surface Deformation Measuring Radar and GBSAR -- 1 Introduction -- 2 Introduction to Beidou Surface Deformation Measurement Radar -- 3 Data Acquisition and Deformation Inversion -- 3.1 Experimental Design and Data Acquisition -- 3.2 PS Point Selection and Error Compensation -- 3.3 Three-Dimensional Deformation Inversion -- 3.4 Comparison of Deformation with Monitoring Points -- 4 Experimental Results -- 5 Conclusion -- References -- Research on Zenith Tropospheric Delay Model Based on TCN Improving HGPT2 Model -- 1 Introduction -- 2 Data -- 3 Models and Methods -- 3.1 GPT3 Model -- 3.2 HGPT2 Model -- 3.3 Temporal Convolutional Network -- 4 Experiment and Discussion -- 4.1 Comparison Between HGPT2ZTD and GPT3 ZTD -- 4.2 Accuracy of TCNZTD -- 5 Conclusion -- References -- Prediction of Ionospheric TEC Based on BLS-LSTM-GRU Hybrid Model.
1 Introduce -- 2 Data and Preprocessing -- 2.1 Data -- 2.2 Pretreatment -- 3 Methods -- 3.1 Width Learning Network Principle and Structure -- 3.2 Principles and Structure of the LSTM Neural Network -- 3.3 Principles and Structure of GRU Gated Cycle Unit Network -- 3.4 A Hybrid Model Based on the BLS-LSTM-GRU -- 4 Experiment -- 4.1 Data Collation and Experimental Setup -- 4.2 Evaluation Indicators -- 4.3 Accuracy Assessment of Different Test Sites -- 4.4 Assessment of Accuracy Under Different Geomagnetic Conditions -- 5 Conclusion -- References -- Heavy Rainfall Prediction Model Using Sample Entropy Derived from GNSS-PWV and PSO-SVM -- 1 Introduction -- 2 Study Area and PWV Sample Entropy Extraction -- 2.1 Study Area -- 2.2 The Method of GNSS Inversion PWV -- 2.3 GNSS-PWV Time Domain Feature Extraction -- 2.4 GNSS-PWV Sample Entropy Extraction -- 3 PSO-SVM-Based Heavy Rainfall Prediction Model -- 3.1 PSO-SVM Algorithm -- 3.2 Model for Predicting Heavy Rainfall -- 3.3 Evaluation Indicators -- 4 Results and Discussion -- 4.1 Feature Correlation Analysis -- 4.2 Effect of Different Features on Model Prediction Results -- 4.3 Impact of Different Machine Learning Algorithms on Model Prediction Results -- 4.4 Forecasting Model Comparison -- 5 Conclusion -- References -- High Precision ZTD Model for the Chinese Southeast Region Using ERA5 Reanalysis Data -- 1 Introduction -- 2 Elevation Normalization Factor Grid -- 2.1 Calculate ZTD by ERA5 Reanalysis Data -- 2.2 Elevation Normalization Factor Fit -- 3 ZTD Spatial and Temporal Characteristics Analysis -- 4 Regional Troposphere Zenith Total Delay Grid Model -- 5 Conclusion -- References -- Research on the Construction of "BeiDou Navigation Satellite System Application Industry Development Index" System -- 1 Background -- 1.1 Present Situation Analysis -- 1.2 Necessity -- 2 System Design.
2.1 Construction Purpose -- 2.2 Modeling Method -- 2.3 Algorithm -- 2.4 Data Sources -- 2.5 Construction of the BDTT -- 2.6 BDI Report Form -- 3 Achievements -- 4 BDI Value Mining and Scenario Application Research -- 4.1 Social Value Mining and Application: "BeiDou Low Carbon Monitor Index" -- 4.2 Economic Value Mining and Application: "BDS Investment Index" -- 4.3 Scientific and Technological Value Mining and Application: "BDS Scientific Research Index" -- 4.4 Commercial Value Mining and Application: BDTT -- 4.5 Mining and Application of Industrial Chain Ecological Value: Research on BDS Industry Derivative Business -- 5 Conclusion -- References -- Design and Implementation of Integrated Navigation and Positioning System for Towed Streamer Marine Seismic Exploration -- 1 Introduction -- 2 Requirements Analysis -- 2.1 Real-Time Navigation and Positioning Scene -- 2.2 Near-real-time Navigation and Positioning Scene -- 2.3 Positioning Data Post-processing Scene -- 3 Design of Crucial Algorithms -- 3.1 Real-Time Algorithm -- 3.2 Near-real-time Algorithm -- 3.3 Post-processing Algorithm -- 4 System Implementation -- 5 System Verification -- 5.1 Simulation Data Experiment -- 5.2 Measured Data Experimental Validation -- 6 Conclusion -- References -- Analysis of GNSS Coordinate Time Series in North China by Independent Component Analysis -- 1 Introduction -- 2 Data and Methods -- 2.1 GNSS Coordinate Time Series -- 2.2 Coordinate Time Series Fitting Model -- 2.3 Noise Analysis on Residual Coordinate Time Series -- 2.4 Spatial Noise Analysis of Residual Time Series -- 3 Results and Analysis -- 3.1 Noise Model of GNSS Residual Coordinate Time Series -- 3.2 Spatiotemporal Decomposition by ICA and CME Signal Identification -- 3.3 The Influence of CME on GNSS Coordinate Time Series -- 4 Conclusions and Prospect -- References.
A Machine-Learning-Based Missing Data Interpolation Method for GNSS Time Series.
Record Nr. UNINA-9910760292603321
Yang Changfeng  
Singapore : , : Springer Nature Singapore : , : Imprint : Springer, , 2024
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
China Satellite Navigation Conference (CSNC 2024) Proceedings [[electronic resource] ] : Volume III / / edited by Changfeng Yang, Jun Xie
China Satellite Navigation Conference (CSNC 2024) Proceedings [[electronic resource] ] : Volume III / / edited by Changfeng Yang, Jun Xie
Autore Yang Changfeng
Edizione [1st ed. 2024.]
Pubbl/distr/stampa Singapore : , : Springer Nature Singapore : , : Imprint : Springer, , 2024
Descrizione fisica 1 online resource (650 pages)
Disciplina 621.382
Altri autori (Persone) XieJun
Collana Lecture Notes in Electrical Engineering
Soggetto topico Telecommunication
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
ISBN 981-9969-44-1
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto 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.
Record Nr. UNINA-9910760300303321
Yang Changfeng  
Singapore : , : Springer Nature Singapore : , : Imprint : Springer, , 2024
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
China Satellite Navigation Conference (CSNC 2024) Proceedings . Volume II / / Changfeng Yang and Jun Xie, editors
China Satellite Navigation Conference (CSNC 2024) Proceedings . Volume II / / Changfeng Yang and Jun Xie, editors
Edizione [First edition.]
Pubbl/distr/stampa Singapore : , : Singapore, , [2024]
Descrizione fisica 1 online resource (630 pages)
Disciplina 621.380422
Collana Lecture Notes in Electrical Engineering Series
Soggetto topico Artificial satellites in navigation
Artificial satellites in telecommunication
ISBN 981-9969-32-8
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Intro -- Editorial Board -- Preface -- Contents -- GNSS and Their Augmentations -- A Study on SBAS-RTK Integrated Positioning Technologies -- 1 Introduction -- 2 RTK Service Risk Analysis -- 2.1 RTK Fault Factor -- 2.2 Performance Impact Analysis -- 3 SBAS-RTK Integrated Positioning -- 3.1 SBAS Positioning -- 3.2 Data Detection -- 3.3 Weighted RTK Positioning -- 3.4 Data Check -- 4 Test and Verification -- 5 Summary -- References -- Research on the TESLA Authentication Algorithm for BDSBAS -- 1 Introduction -- 2 Principles of SBAS Message Authentication -- 2.1 Authentication Principle -- 2.2 SBAS Authentication Structure -- 3 BDSBAS Message Authentication Design -- 3.1 Chinese Commercial Cryptography Standard Algorithm -- 3.2 Design of the TESLA Authentication Protocol Based on the Chinese Commercial Cryptography Algorithm -- 3.3 SBAS User -- 3.4 Message Design -- 3.5 BigMAC -- 3.6 LittleMAC -- 4 Simulation Experiment -- 4.1 Key Performance Indicators -- 4.2 Simulation Analysis -- 5 Conclusion -- References -- Single Satellite Positioning Method and Error Characteristic Analysis of LEO Navigation Satellites -- 1 Introduction -- 2 Single Satellite Pseudo-Range and Doppler Positioning Principle and Error Modeling -- 2.1 Measurement Model -- 2.2 LSM Positioning Algorithm Utilizing Pseudo-Range and Doppler -- 2.3 CRLB of Positioning Error -- 2.4 Error Ellipsoid of Positioning Error -- 3 Simulation and Verification -- 3.1 Simulation Conditions -- 3.2 Simulation Results -- 4 Conclusion -- References -- A High Dynamic Positioning Algorithm for Ka Band LEO Satellites in Beam Polling Mode -- 1 Introduction -- 2 Pseudo range And Doppler Positioning Equation -- 3 Low Orbit Ka Band Signal Positioning Mode -- 3.1 Polling Mode -- 3.2 Problems in Low Earth Orbit Ka Band Satellite Positioning -- 4 Integrated Navigation Positioning Algorithm.
4.1 Tightly Coupled Mode -- 4.2 Principle of Accumulated Error Estimation and Correction -- 5 The Design of Kalman Filter -- 5.1 State Variables -- 5.2 State Transition Matrix -- 5.3 Accumulated Variables -- 5.4 Observation Calculation -- 5.5 Measurement Matrix -- 5.6 Q Matrix and R Matrix -- 5.7 Setting of Initial Value of State Variables and Initial P Matrix -- 6 Simulation and Result Analysis -- 6.1 Simulation Parameter Setting -- 6.2 Simulation Result -- 7 Conclusion -- References -- Spoofing Monitoring Method Research of GNSS Based on LEO Doppler Measurement -- 1 Introduction -- 2 Spoofing Monitoring Algorithm Based on Doppler -- 2.1 Spoofing Interference Scenario -- 2.2 Default Detection Algorithm -- 2.3 Recognition Algorithm of Spoofing -- 3 Simulation and Result Analysis -- 3.1 Simulation Parameter and Index Setting -- 3.2 Simulation Result -- 3.3 Analysis of Simulation Results -- 4 Conclusion -- References -- Credibility Monitoring Research of BDS Based on LEO/INS -- 1 Introduction -- 2 Credibility Monitoring Algorithm -- 2.1 Kalman Filter Algorithm -- 2.2 Integrated Navigation System Design -- 2.3 Fault Detection Algorithm -- 2.4 Fault Recognition Algorithm -- 3 Simulation Result Analysis -- 3.1 Simulation Parameter and Index Setting -- 3.2 Simulation Result -- 4 Conclusion -- References -- ARAIM Integrity and Continuity Considering Fault Detection and Exclusion -- 1 Introduction -- 2 Integrity and Continuity Risk -- 2.1 Integrity and Continuity Risk Considering FD -- 2.2 The Need Analysis of Fault Exclusion for Dual-Constellation GPS/BDS -- 2.3 Integrity and Continuity Risk Considering FDE -- 3 Integrity and Continuity Risk Bounds for FDE -- 3.1 Integrity Risk Evaluation -- 3.2 Continuity Risk Allocation -- 4 Performance Evaluation -- 4.1 Simulation Conditions Setting -- 4.2 Parameter Determination -- 4.3 Availability Analysis.
5 Conclusion -- References -- A Coupled RTK/INS Positioning Method Based on Robust Estimation -- 1 Introduction -- 2 The Basic Theory of Robust RTK -- 2.1 Mathematical Model of RTK -- 3 Robust Kalman Filtering Algorithm -- 3.1 Mathematical Model of RTK/INS Coupled Navigation -- 3.2 Robust Kalman Filter Based on Innovation -- 4 Analysis of Experimental Results -- 4.1 Experimental Environment -- 4.2 Analysis of Experimental Results -- 4.3 Comparison of Classical Kalman and Robust Kalman Filter -- 5 Conclusion -- References -- Optimal Allocation Method of Integrity Risk Indicator for Multiple Risk Sources in PPP-RTK -- 1 Introduction -- 2 The Principle of Integrity Risk Index Optimal Allocation Method -- 3 Integrity Risk Index Optimization Allocation Steps -- 3.1 Failure Mode Settings -- 3.2 Construction of Protection Level -- 3.3 Allocation Model Construction -- 4 Simulation Experiment -- 4.1 Sensitivity Analysis of ISM Parameters -- 4.2 Global Simulation of Optimal Distribution of Integrity Risk Indicators -- 5 Summary -- References -- Reliability and Backup Strategy Analysis of Low-Earth Orbit Navigation Constellation -- 1 Introduction -- 2 Constellation Configuration and Reliability Requirements -- 2.1 Constellation Configuration Design -- 2.2 Constellation Launch Program -- 2.3 Constellation System Reliability Requirements -- 2.4 Single Satellite Reliability Design and Principle of Network Supplement -- 3 Satellite Reliability Model and Constellation Reliability Calculation Method -- 3.1 Satellite Reliability Model [3] -- 3.2 Reliability Calculation Method of Constellation System -- 4 Constellation Network Supplement and Reliability Analysis in Operation Phase -- 4.1 Analysis of Constellation Backup Criterion -- 4.2 Strategy of Network Supplement and Reliability Analysis -- 4.3 5-Year Lifetime Satellite -- 4.4 8-Year Lifetime Satellite.
4.5 Backup Mode Optimization -- 5 Summary -- References -- An Asynchronous Observation Positioning Algorithm Based on Factor Graph Optimization -- 1 Introduction -- 2 Model of Asynchronous Observation System -- 3 Basic Principle and Algorithm Flow the FGO Method -- 3.1 Fundamental Principle -- 3.2 Algorithm Flow -- 4 Simulation -- 4.1 Simulation Parameters -- 4.2 Simulation Result -- 5 Conclusion -- References -- Evaluation and Analysis of Uplink Signal Interference in GEO Satellite System -- 1 Introduction -- 2 Analysis of Uplink Interference in GEO Satellite System -- 2.1 Uplink Calculation Model -- 2.2 Performance Analysis of Transparent Transponder Under Interference Conditions -- 2.3 Downlink Calculation Model -- 3 Signal Interference Calculation Method Based on Spectral Separation Coefficient -- 3.1 Single-Signal Interference Calculation Method -- 3.2 Multi-signal Interference Calculation Method -- 4 Analysis of the Influence of Uplink Interference on the Carrier-to-Noise Ratio -- 4.1 Influence of Interference Signal Power -- 4.2 Influence of the Number of Interference Stations -- 4.3 The Effect of Interference Station Deployment Location -- 5 Conclusion -- References -- Impact of Temporally Correlated Error on ARAIM ISM During Ionospheric Storm Period -- 1 Introduction -- 2 Ionospheric Delay Error Under Stormy Conditions -- 3 The Conservative Representation of Gauss Markov Process -- 4 Measurement Error Caused by Ionospheric Storm -- 4.1 Ionosphere Error in Ionosphere-Free Combination Measurement Under Stormy Conditions -- 4.2 Ionospheric Error in Carrier Smoothed Code During Storm Period -- 5 Simulation -- 5.1 Measurement Error Caused by the Second-Order Ionospheric Term -- 5.2 Global simulation of ARAIM -- 6 Conclusions -- 7 Appendix -- References -- Scintillation Identification Based on Spectral Features -- 1 Introduction.
2 Scintillation Spectrum Features -- 3 Scintillation Detection with Different Spectrum Features -- 3.1 Scintillation Data Process and Labeling -- 3.2 Training and Test of ML Models -- 3.3 Identification Accuracy -- 3.4 Result of Scintillation Identifications -- 4 Deeper Analysis -- 5 Conclusion -- References -- Centimeter-Level Real-Time Orbit Determination and Accuracy Analysis of LEO Satellite with POD4LEO Software -- 1 Introduction -- 2 GNSS Real-Time Products -- 2.1 Recovery Method -- 2.2 Orbit Accuracy -- 2.3 Clock Error Accuracy -- 3 Mathematical Model -- 3.1 Observation Model -- 3.2 Dynamics Model -- 3.3 Estimation Method -- 4 Test and Results -- 4.1 Processing Strategy -- 4.2 Results -- 4.3 SISRE (Orbit) -- 5 Summary -- References -- Impact Analysis of BeiDou Satellite Integrity Events in 2022 -- 1 Introduction -- 2 Integrity Performance Assessment Methods and Description of Abnormal Event Phenomena -- 2.1 Integrity Performance Assessment Methods -- 2.2 Integrity Performance Assessment Methods -- 3 The Impact of Abnormal Event -- 3.1 Comparison of Accuracy Assessment Result and Impact Analysis of the Event in the First Quarter of 2022 and 2021 -- 3.2 Comparison of Continuity Assessment Result and Impact Analysis of the Event in the First Quarter of 2022 and 2021 -- 3.3 Comparison of Continuity Assessment Result and Impact Analysis of the Event in the First Quarter of 2022 and 2021 -- 4 RAIM Fault Detection and Exclusion -- 5 Conclusion -- References -- Analysis of Navigation Augmentation Performance Based on LEO Satellite Communication Constellation -- 1 Introduction -- 2 An Architecture of Navigation Augmentation System Based on LEO Communication Constellation -- 2.1 Overall System Architecture -- 2.2 Spatial-Temporal Reference -- 2.3 Constellation and Frequency.
3 Analysis of Navigation Augmentation Performance Based on LEO Communication Constellation.
Record Nr. UNINA-9910760288803321
Singapore : , : Singapore, , [2024]
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
China Satellite Navigation Conference (CSNC) 2020 Proceedings: Volume I [[electronic resource] /] / edited by Jiadong Sun, Changfeng Yang, Jun Xie
China Satellite Navigation Conference (CSNC) 2020 Proceedings: Volume I [[electronic resource] /] / edited by Jiadong Sun, Changfeng Yang, Jun Xie
Edizione [1st ed. 2020.]
Pubbl/distr/stampa Singapore : , : Springer Singapore : , : Imprint : Springer, , 2020
Descrizione fisica 1 online resource (xxv, 752 pages)
Disciplina 621.380422
Collana Lecture Notes in Electrical Engineering
Soggetto topico Electrical engineering
Aerospace engineering
Astronautics
Remote sensing
Geophysics
Communications Engineering, Networks
Aerospace Technology and Astronautics
Remote Sensing/Photogrammetry
Geophysics/Geodesy
ISBN 981-15-3707-0
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Satellite Navigation Applications -- Navigation and Location-based Service -- Satellite Navigation Signal and Signal Processing -- Satellite Orbit and System Error Processing -- Spatial Frames and Precise Positioning -- Time Primary Standard and Precision Time Service -- Satellite Navigation Augmentation Technology -- Test and Assessment Technology -- User Terminal Technology -- PNT System and Multi-source Fusion Navigation -- Anti-interference and Anti-spoofing Technology -- Policies, Regulations, Standards and Intellectual Properties -- Technologies for Navigation of Autonomous Systems.
Record Nr. UNINA-9910407738403321
Singapore : , : Springer Singapore : , : Imprint : Springer, , 2020
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
China Satellite Navigation Conference (CSNC) 2020 Proceedings: Volume II [[electronic resource] /] / edited by Jiadong Sun, Changfeng Yang, Jun Xie
China Satellite Navigation Conference (CSNC) 2020 Proceedings: Volume II [[electronic resource] /] / edited by Jiadong Sun, Changfeng Yang, Jun Xie
Edizione [1st ed. 2020.]
Pubbl/distr/stampa Singapore : , : Springer Singapore : , : Imprint : Springer, , 2020
Descrizione fisica 1 online resource (783 pages)
Disciplina 621.380422
Collana Lecture Notes in Electrical Engineering
Soggetto topico Electrical engineering
Aerospace engineering
Astronautics
Remote sensing
Geophysics
Communications Engineering, Networks
Aerospace Technology and Astronautics
Remote Sensing/Photogrammetry
Geophysics/Geodesy
ISBN 981-15-3711-9
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Satellite Navigation Applications -- Navigation and Location-based Service -- Satellite Navigation Signal and Signal Processing -- Satellite Orbit and System Error Processing -- Spatial Frames and Precise Positioning -- Time Primary Standard and Precision Time Service -- Satellite Navigation Augmentation Technology -- Test and Assessment Technology -- User Terminal Technology -- PNT System and Multi-source Fusion Navigation -- Anti-interference and Anti-spoofing Technology -- Policies, Regulations, Standards and Intellectual Properties -- Technologies for Navigation of Autonomous Systems.
Record Nr. UNINA-9910407738303321
Singapore : , : Springer Singapore : , : Imprint : Springer, , 2020
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui