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Application of GPS in Distributed SAR Satellite
Distributed SAR Satellite DEM GPS INSAR GMTI Baseline Estimation
2015/11/20
In this paper, we proposed a new Distributed SAR Satellite(DSS) using one passive satellite with a dual receive antenna(DRA) flying in formation with an already existing conventional SAR satellite. Su...
Atmospheric Effects Removal of ASAR-derived InSAR Products Using MERIS Data and GPS
Satellite remote sensing,Calibration Interferometric SAR (InSAR) Spatial modeling Atmosphere Water vapor MERIS
2015/11/20
As confirmed by many scientists, atmosphere has intensive contaminative role on Interferometric Synthetic Aperture Radar (InSAR) measurements. Atmospheric parameters, always influence radar’s phase bu...
针对接收机持续性地测量载波相位值时会出现周跳现象从而降低数据处理精度的问题，提出一种改进GPS 的组合周跳探测与修复方法。通过分析周跳发生的原由，对电离层残差法进行了分析，指出了它的不足。采用载波 观测值线性拟合的方法进行辅助探测的改进，对周跳进行修复，并通过实例分析进行验证。仿真结果表明：该方法 能较好地弥补电离层残差法的不足，并能有效地探测与修复。
PERFORMANCE OF KALMAN FILTER FOR GPS DATUM CONVERSION
GPS Datum conversion Kalman filter Recursive algorithm Error covariance Measurement noise
2015/9/28
This paper focuses on modeling of errors like ionospheric delays, atmospheric delays Tropospheric delays, Multipath effects and dilution of precision etc., affecting the GPS signals as they travel fro...
福建农林大学资源与环境学院测量学课件第7章 全球定位系统（GPS）及其应用。
HEIGHT ACCURACY BASED ON DIFFERENT RTK GPS METHOD FOR ULTRALIGHT AIRCRAFT IMAGES
Aerial images positioning image processing accuracy
2015/9/21
Height accuracy is one of the important elements in surveying work especially for control point’s establishment which requires an accurate measurement. There are many methods can be used to acquire he...
UAV ONBOARD PHOTOGRAMMETRY AND GPS POSITIONNING FOR EARTHWORKS
UAV GPS photogrammetry direct georeferencing metrology lever-arm delay
2015/9/21
Over the last decade, Unmanned Airbone Vehicles (UAVs) have been largely used for civil applications. Airborne photogrammetry has found place in these applications not only for 3D modeling but also as...
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...
A NEW SURVEY ON SELF-TUNING INTEGRATED LOW-COST GPS/INS VEHICLE NAVIGATION SYSTEM IN HARSH ENVIRONMENT
GPS/INS integration Extended Kalman Filter Fuzzy Inference System
2015/9/10
Nowadays, Global Positioning System (GPS) receivers are aided by some complementary radio navigation systems and Inertial Navigation Systems (INS) to obtain more accuracy and robustness in land vehicu...
Analyzing Virtual Reference Station for GPS surveying: experiments and applications in a test site of the northern Apennine (Italy)
GPS Virtual Reference Stations Rapid Static Survey Landslide Monitoring
2015/9/1
The availability of a GPS network of 10-20 km mean size, provides good topographical support for the measurement of ground displacements, even at a local scale such as a landslide. In particular, a se...
Ionospheric error analysis in gps measurements
Differential GPS error sources ionospheric errors carrier-phase positioning Geometry-Free Linear Combination RTK GPS
2015/9/1
The results of an experiment aimed at evaluating the effects of the ionosphere on GPS positioning applications are presented in this paper. Specifically, the study, based upon a differential approach,...
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...
The RING network: improvement of a GPS velocity field in the central Mediterranean
geodesy seismotectonics CGPS network GPS data analysis Central Mediterranean
2015/8/28
Since 2004, a continuous Global Positioning System (GPS) network is operated by the Istituto Nazionale di Geofisica e Vulcanologia (INGV) to investigate active tectonic processes in Italy and surround...