搜索结果: 1-13 共查到“航空、航天科学技术 support”相关记录13条 . 查询时间(0.171 秒)
Smart Environments and LBS to support pedestrian navigation
pedestrian navigation Smart Environments
2015/9/28
Within the last few years navigation systems have started to conquer the market in the Western World.
Especially in outdoor environments location based services play an important role for supporting...
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...
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 ...
Evaluation of Signal in Space Error Bounds to Support Aviation Integrity
Evaluation of Signal in Space Error Bounds to Support Aviation Integrity
2015/6/25
The modernization of GPS and the addition of new GNSS constellations bring forth a multitude of new signals with new capabilities. One of the intended purposes of some of these new signals is the prov...
Evaluation of Signal in Space Error Bounds to Support Aviation Integrity
Evaluation Signal Space Error Bounds Support Aviation Integrity
2015/6/25
In order to make use of signals over which they have no control, aviation authorities must have a clear understanding of the commitments and capabilities of these new signals. This paper proposes equa...
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...
A Framework for Analyzing Architectures that Support ARAIM
Framework Analyzing Architectures Support ARAIM
2015/6/24
Advanced Receiver Autonomous Integrity Monitoring (ARAIM) has been studied in recent years as method of providing vertical guidance for aircraft [1]. The aircraft compares the various ranging measurem...
Mixed One-way and Two-way Ranging to Support Terrestrial Alternative Position Navigation & Timing
Mixed One-way wo-way Ranging Terrestrial Position Navigation Timing
2015/6/24
Two-way ranging between the ground station and aircraft can provide true-range measurement allowing for horizontal positioning using only two stations. However,this infrastructure benefit comes at a c...
Qualifying an L5 SBAS MOPS Ephemeris Message to Support Multiple Orbit Classes
Qualifying SBAS MOPS Ephemeris Message Multiple Orbit Classes
2015/6/24
The L1 Minimum Operational Performance Standards (MOPS) were designed under the premise that Satellite Based Augmentation Systems (SBAS) be supported by communications satellites in geostationary orbi...
L1/L5 SBAS MOPS Ephemeris Message to Support Multiple Orbit Classes
SBAS MOPS Ephemeris Message Multiple Orbit Classes
2015/6/24
New satellite orbits ranging from highly eccentric inclined geosynchronous (IGSO), medium (MEO) to low Earth (LEO) orbits are being proposed for future Global Navigation Satellite Systems (GNSS) and S...
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...
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...
Hybrid APNT: Terrestrial Radionavigation to Support Future Aviation Needs
Hybrid APNT Terrestrial Radionavigation Support Future Aviation Needs
2015/6/24
The Federal Aviation Administration (FAA) AlternativePositioning Navigation & Timing (APNT) program is developing and examining solutions to provide terrestrial based radio-navigation capability that ...