High-Accuracy Multi-Sensor Geolocation Technology to Support Geophysical Data Collection at MEC Sites

摘要

The primary objective of the research presented in this report was to develop accurate and reliable geolocation algorithms and tools based on multi-sensor integration, to significantly improve the state-of-the-art in sensor georegistration and to support the collection of geophysical data used to characterize unexploded ordnance (UXO) and munitions and explosives-of- concern (MEC) sites in various environments. The most important tangible outcomes and achievements are: the design and prototype implementation of the new system, based on quadruple-integration of the Global Positioning System (GPS), Inertial Navigation System (INS), Pseudolite (PL), and Terrestrial Laser Scanning (TLS) able to address the needs for high-accuracy navigation for a non- contact mapping system in various environments. The sensor integration technology demonstrated here is innovative; while GPS/INS integration has been used to support sensor georeferencing for a number of years, integration of PLs and the laser scanning device is a novel idea.