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Performance Evaluation of On-Airport Local Area Augmentation System Architectures
Performance Evaluation On-Airport Local Area Augmentation System Architectures
2015/6/29
Recently there has been growing demand for a Category III precision landing system architecture which is completely contained on airport property. In response, Stanford is exploring different Local Ar...
Flight Test Evaluation of a Prototype Local Area Augmentation System Architecture
Flight Test Prototype Local Area Augmentation System Architecture
2015/6/29
A Local Area Augmentation System (LAAS) architecture alternative has been developed to provide satellite navigation performance compliant with the stringent requirements for aircraft precision approac...
A Local-Area GPS Pseudolite-Based Mars Navigation System
Local-Area GPS Pseudolite-Based Mars Navigation System
2015/6/29
Tasks envisioned for future generation Mars rovers sample collection, area survey, resource mining, habitat construction, etc.– will require greatly enhanced navigational capabilities over those posse...
Sigma Overbounding using a Position Domain Method for the Local Area Augmentaion of GPS
Sigma Overbounding Position Domain Method Local Area Augmentaion GPS
2015/6/25
The local area augmentation system (LAAS) is a differential GPS navigation system being developed to support aircraft precision approach and landing navigation with guaranteed integrity and availabili...
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...
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...
Guidance, Navigation, and Separation Assurance for Local-Area UAV Networks: Putting the Pieces Together
Guidance Navigation Separation Assurance Local-Area UAV Networks
2015/6/24
This paper examines the guidance methodology needed to implement networks of autonomously-flown unmanned aerial vehicles (UAVs) controlled by centralized ground stations (GSs). The intended operations...
Local-Area Differential GNSS Architectures Optimized to Support Unmanned Aerial Vehicles (UAVs)
Local-Area Differential GNSS Architectures Optimized Unmanned Aerial Vehicles (UAVs)
2015/6/24
As the applications of Unmanned Aerial Vehicles (UAVs) expand, UAVs will be combined into networks that cooperate to perform various missions within 10 to 200 km of a centralized controller. GNSS is t...
FACTORS THAT INFLUENCE LOCAL AREA ACCESS AND PROCESSING OF SATELLITE REMOTE SENSING DATA
Low cost Local Area Access ERS and SPOT Reception Data Processing Decision Support
2014/12/30
There is a pressing need for timely and efficient flows of environmental information to support operational decision making in resource management at local and national scales. Remote sensing data can...
In this study, using the multinomial logit model, we investigate what factors influence farmers' choices between the alternatives of agricultural work, nonagricultural work, temporary migration, and p...
Optimal design of periodical ship route in a local area using continuous and discrete type models in cooperation
transportation system discrete type models
2009/3/27
To optimize sea transportation system, two models are used in cooperation, namely continuous model and discrete model. Discrete model takes each container and each ship as discrete variables and simul...