搜索结果: 1-13 共查到“航天器结构与设计 LAAS”相关记录13条 . 查询时间(0.062 秒)
A Comprehensive Integrity Verification Architecture for On-Airport LAAS Category III Precision Landing
Comprehensive Integrity Architecture On-Airport LAAS Category III Precision Landing
2015/6/29
Future Local Area Augmentation System (LAAS)architectures will most likely be constrained to lie on airport property. Such a system must provide protection against rare events in the GPS Signal in Spa...
Development, Implementation, and Testing of a Prototype LAAS Architecture
Prototype LAAS Architecture
2015/6/29
A Local Area Augmentation System (LAAS) architecture has been developed to provide satellite navigation performance compliant with the stringent requirements for aircraft precision approach and landin...
LAAS Monitoring For A Most Evil Satellite Failure
LAAS Monitoring Most Evil Satellite Failure
2015/6/29
The objective of Signal Quality Monitoring (SQM) is to improve integrity of the space segment of Local Area Aug mentation System (LAAS) by detecting satellite generated GPS signal faults. As seen in t...
LAAS Ionosphere Spatial Gradient Threat Model and Impact of LGF and Airborne Monitoring
LAAS Ionosphere Spatial Gradient Threat Model Airborne Monitoring
2015/6/26
The ionosphere spatial gradient and its temporal rate of change in the vicinity of a LAAS-equipped airport are likely to influence the architecture required to meet the Category II/III precision appro...
Ionosphere Spatial Gradient Threat for LAAS: Mitigation and Tolerable Threat Space
Ionosphere Spatial Gradient Threat LAAS:Threat Space
2015/6/26
The ionosphere spatial gradients under extreme conditions are likely to influence the LAAS architecture,particularly for Category II/III precision approach and landing systems. In previous study, a “m...
LAAS Position Domain Monitor Analysis and Test Results for CAT II/III Operations
LAAS Position Domain Monitor Analysis Test Results CAT II/III Operations
2015/6/26
The Local Area Augmentation System (LAAS) is a differential GPS navigation system being developed to support aircraft precision approach and landing with guaranteed accuracy, integrity, continuity and...
The Impact of Measurement Biases on Availability for CAT III LAAS
Measurement Biases Availability CAT III LAAS
2015/6/26
The original error description for the Local Area Augmentation System (LAAS) assumed unbiased measurement errors. In practice, however, satellite ranging errors may exhibit nonzero means. The LAAS err...
A Comprehensive Ionosphere Storm Data Analysis Method to Support LAAS Threat Model Development
Ionosphere Storm Support LAAS Threat Model
2015/6/26
Several recent papers have analyzed the potential threat of severe ionosphere spatial gradients on LAAS users [1-4]. To support this work, a comprehensive methodology has been developed to analyze WAA...
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...
Assessment of Nominal Ionosphere Spatial Decorrelation for LAAS
Assessment Ionosphere Spatial Decorrelation LAAS
2015/6/26
The Local Area Augmentation System (LAAS) is a ground-based differential GPS system being developed to support aircraft precision approach and landing navigation with guaranteed integrity. To quantita...
Ionosphere Monitoring Methodology for Hybrid Dual-Frequency LAAS
Ionosphere Monitoring Methodology Hybrid Dual-Frequency LAAS
2015/6/26
Strong ionosphere storms are a potential threat for the Local Area Augmentation System (LAAS). During these storms,very large spatial gradients of ionosphere delays might cause significant errors in u...
Data-Replay Analysis of LAAS Safety during Ionosphere Storms
Data-Replay Analysis LAAS Safety Ionosphere Storms
2015/6/25
As reported in [2,4,5], previous Stanford research has identified the potential for severe ionosphere spatial gradients to affect Local Area Augmentation System (LAAS) integrity.
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.