Title :
A velocity vector estimation algorithm tested on simulated SAR raw data
Author :
Radius, A. ; Solimini, D.
Author_Institution :
DISP Tor Vergata Univ., Rome
Abstract :
This paper presents an improved method for estimating the velocity vector of a moving target from SAR raw data. The velocity estimate is carried out without a priori information by a recursive procedure coupling Along Track Interferometry (ATI) for the range component to the Impulse Reference Function (IRF) analysis for the azimuth component. To develop and test the estimation scheme, a dual channel SAR raw data simulator has been built and the retrieval algorithm has been implemented, taking into consideration the coupled effect of the two velocity components. Significant statistics have been generated by considering different targets and backgrounds, simulating scenes with constant backscatter, vehicles in a shrubs environment and ships at sea.
Keywords :
oceanographic techniques; radar interferometry; ships; vehicle dynamics; along track interferometry; constant backscatter; impulse reference function; moving target; sea environment; ships; shrubs environment; simulated SAR raw data; vehicles; velocity vector estimation algorithm; Azimuth; Backscatter; Information analysis; Information retrieval; Interferometry; Layout; Recursive estimation; Statistics; Target tracking; Testing; Along-Track Interferometry; Synthetic Aperture Radar;
Conference_Titel :
Geoscience and Remote Sensing Symposium, 2007. IGARSS 2007. IEEE International
Conference_Location :
Barcelona
Print_ISBN :
978-1-4244-1211-2
Electronic_ISBN :
978-1-4244-1212-9
DOI :
10.1109/IGARSS.2007.4422856
