Now showing items 1-2 of 2
The Validity of Using a Geographic Information System's Viewshed Function as a Predictor for the Reception of Line-of-Sight Radio Waves
(Virginia Tech, 2001-08-31)
A Geographic Information System (GIS) viewshed is the result of a function that determines, given a terrain model, which areas on a map can be seen from a given point(s), line or area. In the communications industry, this ...
GIS and Satellite Visibility: Viewsheds from Space
(Virginia Tech, 2005-04-28)
The Global Positioning System (GPS) has recently become the significant mapping tool for millions of customers worldwide, providing its users with accurate terrestrial positions almost instantaneously. The functionality ...