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Carrier Differential GPS for Real-Time Control of Large Flexible Structures
Carrier Differential GPS Real-Time Contro Large Flexible Structures
2015/6/29
Current lab tests demonstrate vibration and orientation control of highly exible vehicles using only the GPS carrier to measure motion. A 30-foot long test structure has been constructed that is suspe...
Differential Loran-C
Differential Loran-C
2015/6/26
The U. S Coast Guard and Federal Aviation Administration are cooperating in a major effort to define and analyze the performance of a new Enhanced Loran system as a backup for GPS provided services. E...
Evaluation of Two Types of Dual-Frequency Differential GPS Techniques under Anomalous Ionosphere Conditions
Dual-Frequency Differential GPS Techniques Ionosphere Conditions
2015/6/26
Strong ionosphere storms are a potential threat for the Local Area Augmentation System (LAAS). During these storms,large spatial and temporal gradients of the ionosphere component on the GPS signals c...
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...