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The accuracy of a DEM derived from ASTER data using differential GPS measurements
ASTER DEM GCPs RMSE Accuracy Assessment
2015/9/17
ASTER is a high-spatial resolution, multispectral imaging system flying aboard TERRA, a satellite launched in December 1999 as part of NASA’s Earth Observing System (EOS). An ASTER scene covering 61.5...
TERRAIN PARAMETER RETRIEVAL USING IRS 1C/1D STEREO DATA IN CONJUNCTION WITH DIFFERENTIAL GPS MEASUREMENTS
DEM drainage network validation
2015/8/31
In the past few decades due to enormous development in satellite photogrammetry, more opportunities are available to have a stereo pair
from the space borne missions. Indian Remote Sensing satellites...
VALIDATION OF CARTOSAT-1 DEM USING DIFFERENTIAL GPS MEASUREMENTS
CARTOSAT-1 Stereo data DGPS DEM
2015/8/28
With the availability of CARTOSAT-1 data with stereo capability, it is possible to generate accurate Digital Elevation Model (DEM) for
large area. Terrain parameters such as elevationt, slope, aspect...
VALIDATING SRTM DEM WITH DIFFERENTIAL GPS MEASUREMENTS – A CASE STUDY WITH DIFFERENT TERRAINS
EGM96 Orthometric Geoid
2015/8/28
The SRTM (Shuttle RADAR Topographic Mission) which was flown in February 2000 is the first mission using space-borne singlepass
interferometric SAR. In this mission first simultaneous dual-polarizati...
Simulation of ionospheric error on GPS signals due to changes in the direction of mobile station positions in differential GPS
Ionosphere Ray-tracing dGPS Baseline
2015/8/27
Ionospheric propagation delay is one of the major sources of error in global positioning system (GPS) precision. Therefore, accurate estimation of the ionospheric delay is required to correct GPS posi...
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...
System Identification of a Farm Vehicle Using Carrier-Phase Differential GPS
System Identification Farm Vehicle Carrier-Phase Differential GPS
2015/6/29
The automatic operation of farm vehicles can have great benefits both in farm productivity and hazardous or impossible operations. Automatic control offers many potential improvements over human contr...
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...