搜索结果: 1-13 共查到“航空、航天科学技术 positioning”相关记录13条 . 查询时间(0.046 秒)
Ionospheric Scintillation Effects on Single and Dual Frequency GPS Positioning
Ionospheric Scintillation Effects Dual Frequency GPS Positioning
2015/6/26
The low latitude ionosphere poses a challenge to both GPS users and Satellite-Based Augmentation System(SBAS) providers. Single and dual frequency GPS receivers used in low-latitude regions can suffer...
A Reference Point-based Precise Relative Positioning Method Using a Single Frequency Receiver
Point-based Precise Relative Positioning Method Single Frequency Receiver
2015/6/26
This paper investigates how to take advantage of the known position of a point at which a single frequency GPS receiver is located. Using this reference point and a single frequency receiver, a precis...
Performance of Hybrid Positioning System Combining GPS and Television Signals
Performance Hybrid Positioning System Combining GPS Television Signals
2015/6/25
In spite of the global coverage and the penetration into a daily life of GPS (global positioning system), GPS receivers have not been able to overcome the critical weakness of a GPS signal in indoor a...
Mitigation of Anomalous Ionosphere Threat to Enhance Utility of LAAS Differentially Corrected Positioning Service (DCPS)
Mitigation Anomalous Ionosphere Threat LAAS Differentially Corrected Positioning Service (DCPS)
2015/6/25
Local Area Augmentation System (LAAS) can be used for both Category I (CAT I) precision approach and Differentially Corrected Positioning Service (DCPS) navigation applications. Through its support of...
Enabling the LAAS Differentially Corrected Positioning Service (DCPS):Design and Requirements Alternatives
Enabling LAAS Differentially Corrected Positioning Service (DCPS) Requirements Alternatives
2015/6/25
Young Shin Park is a Ph.D. Candidate in Aeronautics and Astronautics in the Global Positioning System (GPS) Research Laboratory at Stanford University. Her current research interests are enabling LAAS...
GBAS Differentially Corrected Positioning Service Ionospheric Anomaly Errors Evaluated in an Operational Context
GBAS Differentially Corrected Positioning Service onospheric Anomaly Errors
2015/6/25
Tim Murphy is Technical Fellow with Boeing Commercial Airplanes where he is a member of the Electronic Systems organization. Tim has 25 years of experience in radio navigation communications and surve...
Ionospheric Threat Parameterization for Local Area Global-Positioning-System-Based Aircraft Landing Systems
Ionospheric Parameterization Local Area Global-Positioning-System-Based Aircraft Landing Systems
2015/6/25
Observations of extreme spatial rates of change of ionospheric electron content and the characterization strategy for mitigation applied by the U.S. local area augmentation system are shown. During ex...
In the next decade, several important developments will have a major impact on civil aviation: the deployment of Galileo and Compass, the modernization of GPS, and the fact that all these core constel...
A Testbed for Studying Automatic Dependent Surveillance Broadcast (ADS-B) Based Range and Positioning Performance to Support Alternative Position Navigation and Timing (APNT)
Testbed Automatic Dependent Surveillance Broadcast (ADS-B) Positioning Performance Position Navigation Timing (APNT)
2015/6/24
As air traffic continues to grow, the Global Navigation Satellite System (GNSS) plays an increasingly important role in enabling the air space to efficiently handle the increase load. In fact, it will...
Design and Test of Algorithms and Real-Time Receiver to use Universal Access Transceiver (UAT) for Alternative Positioning Navigation and Timing (APNT)
Design Algorithms Real-Time Receiver Universal Access Transceiver (UAT) Alternative Positioning Navigation Timing (APNT)
2015/6/24
The FAA Alternative Positioning Navigation and Timing (APNT) effort is developing technologies to provide navigation service capable of sustaining operations in the event of the loss of Global Navigat...
中国民航飞行学院航空电子设备课件 Global Positioning System。
We discuss the use of some new time transfer techniques for computing TAI time links. Precise point positioning (PPP) uses GPS dual frequency carrier phase and code measurements to compute the link be...
Comparing Multicarrier Ambiguity Resolution Methods for Geometry-Based GPS and Galileo Relative Positioning and Their Application to Low Earth Orbiting Satellite Attitude Determination
Multicarrier Ambiguity Resolution Methods Geometry-Based GPS Galileo Relative Positioning Low Earth Orbiting Satellite Attitude Determination
2009/9/3
This paper presents an evaluation of several GNSS multicarrier ambiguity (MCAR) resolution techniques for the purpose of attitude determination of low earth orbiting satellites (LEOs). It is based on ...