Accuracy assessment of GPS navigation augmented by SAR and LiDAR-derived Digital Elevation Models
作者： Jing Li , Xiangtao Fan , Cheng Wang , Hong Bao , Yong Xiao
DOI: 10.1080/17538947.2014.965762
关键词: Global Positioning System 、 Satellite navigation 、 Geography 、 Synthetic aperture radar 、 Lidar 、 Artificial intelligence 、 Ranging 、 Time to first fix 、 Computer vision 、 Precision Lightweight GPS Receiver 、 Remote sensing 、 Digital elevation model
摘要: Remotely sensed Digital Elevation Models (DEM) can be used to augment a standalone Global Positioning System (GPS) by adding an extra range observation which measures the distance Earth centre. This method so called height aiding reduce number of GPS satellites required get 3D position fix from four three and hence improve performance navigation algorithm in terms accuracy, reliability availability. Up until now, accuracy aided using higher resolution Synthetic Aperture Radar (SAR) Light Detection Ranging (LiDAR)-derived elevation data has not been fully evaluated broad spectrum scenarios. article provides robust accurate analysis on how much error is introduced 5 m spacing SAR 1 LiDAR-derived DEMs under in-car personal situations. Based experimental results obtained both dynamic static tests, suggestions have made on...
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