搜索结果: 1-8 共查到“航空、航天科学技术 anomalies”相关记录8条 . 查询时间(0.016 秒)
Satellite magnetic anomalies of the Antarctic crust
Antarctic crust magnetic anomalies ADMAP satellite surveys airborne surveys
2015/9/28
Spatially and temporally static crustal magnetic anomalies are contaminated by static core field effects above spherical harmonic degree 12 and dynamic, large-amplitude external fields. To extract cru...
LAAS Study of Slow-Moving Ionosphere Anomalies and Their Potential Impacts
Ionosphere Anomalies Potential Impacts
2015/6/26
Triggered by several severe ionosphere storms that have occurred in recent years, research has been done to studying those anomalies, the physics behind them, and their potential impact on augmented G...
Prior Probability Model Development to Support System Safety Verification in the Presence of Anomalies
Prior Probability Model Development Support System Safety Verification
2015/6/26
Assessments of “prior probabilities” of faults that must be mitigated are essential to integrity and safety verification for safety-critical systems. In the case of Global Navigation Satellite System ...
Position-Domain Geometry Screening to Maximize LAAS Availability in the Presence of Ionosphere Anomalies
Geometry Screening LAAS Availability Presence Ionosphere Anomalies
2015/6/26
All fault modes in the Local Area Augmentation System should be mitigated within the specified integrity risk allocation to guarantee the safety of a landing aircraft.However, monitoring within the LA...
Low-Elevation Ionosphere Spatial Anomalies Discovered from the 20 November 2003 Storm
Low-Elevation Ionosphere Spatial Anomalies Discovered
2015/6/25
This paper presents data from low-elevation satellites on 20 November 2003 in the Ohio region, the area of the largest validated gradients seen to date. As viewed by multiple CORS stations in central ...
Targeted Ephemeris Decorrelation Parameter Inflation for Improved LAAS Availability during Severe Ionosphere Anomalies
Targeted Ephemeris Decorrelation Parameter Inflation Improved LAAS Availability Ionosphere Anomalies
2015/6/25
The Local Area Augmentation System (LAAS) is a ground-based differential GNSS system designed to provide precision approach for aircraft landing at a LAAS-equipped airport.
The Impact and Mitigation of Ionosphere Anomalies on Ground-Based Augmentation of GNSS
Ionosphere Anomalies Ground-Based Augmentation GNSS
2015/6/25
This paper describes the impact that extreme ionospheric spatial gradients occurring during severe ionosphere storms have on GNSS Ground Based Augmentation Systems (GBAS) and how the U.S. Local Area A...
Long Term Monitoring of Ionospheric Anomalies to Support the Local Area Augmentation System
Long Term Monitoring Ionospheric Anomalies Local Area Augmentation System
2015/6/25
Extremely large ionospheric gradients can pose a potential integrity threat to the users of Local Area Augmentation System (LAAS), and thus the development of an ionospheric anomaly threat model is es...