搜索结果: 1-11 共查到“航空、航天科学技术 alternative”相关记录11条 . 查询时间(0.187 秒)
Alternative Position, Navigation, and Timing--The Need for Robust Radionavigation
Alternative Position Navigation Timing Radionavigation
2015/6/25
Positioning, Navigation, and Timing (PNT) services provide both essential (safety and security) and economically beneficial applications worldwide in the 21st century.
Preliminary Assessment of Alternative Navigation Means for Civil Aviation
Preliminary Assessment Alternative Navigation Means Civil Aviation
2015/6/25
The Federal Aviation Administration (FAA) is looking to develop alternative navigation means to global navigation satellite systems (GNSS) and GPS. While the national airspace (NAS) includes many navi...
Alternative Characterization of Analog Signal Deformation for GNSS‐GPS Satellites
Analog Signal Deformation GNSS‐GPS Satellites
2015/6/24
Currently, analog signal deformation is described using individual-chip step response curves for each GPS/WAAS-GEO satellite. Such a set of curves is helpful– it allows us to have an overall idea of t...
Alternative Position Navigation & Timing (APNT) Based on Existing DME and UAT Ground Signals
Position Navigation Timing (APNT) Based Existing DME UAT Ground Signals
2015/6/24
The United States (US) Federal Aviation Administration (FAA) is developing alternative position navigation and timing (APNT) technologies to maintain efficient and safe operations even with a degradat...
Capacity Study of Two Potential Alternative Position Navigation and Timing (APNT) Technologies for Aviation
Capacity Study Potential Alternative Position Navigation Timing (APNT) Technologies Aviation
2015/6/24
The Federal Aviation Administration (FAA) is seeking to develop alternative position navigation and timing (APNT) systems in order to minimize the impact of a degradation of the Global Positioning Sys...
The Need for a Robust Precise Time and Frequency Alternative to Global Navigation Satellite Systems
Robust Precise Time Frequency Alternative Global Navigation Satellite Systems
2015/6/24
Positioning, Navigation, and Timing (PNT) services are key enablers of both essential safety and security applications and economically beneficial capacity and efficiency applications worldwide.
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...
Distance Measuring Equipment Accuracy Performance Today and for Future Alternative Position Navigation and Timing (APNT)
Distance Measuring Equipment Accuracy Performance Future Alternative Position Navigation Timing (APNT)
2015/6/24
Distance Measuring Equipment (DME) is seeing renewed interest for its ability to support future aviation navigation and surveillance needs. It is one of the primary technologies being examined by the ...
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...
Containing a Difficult Target: Techniques for Mitigating DME Multipath to Alternative Position Navigation and Timing (APNT)
Containing Difficult Target Techniques Mitigating DME Multipath Alternative Position Navigation Timing (APNT)
2015/6/24
Distance measuring equipment (DME)/Tactical Air Navigation (TACAN) has been serving aviation for approximately 60 years. It has been a primary navigation aid in the national airspace (NAS) for much of...
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...