Author:Matsebe, O; Namoshe, M; Tlale, NDate:2010The goal of the chapter is to provide an opportunity for researchers who are new to, or interested in, this exciting area of research with the basics, background information, major issues, and the state-of-the-art as well as future challenges ...Read more
Author:Kleynhans, W; Olivier JC; Wessels, Konrad J; Van Den Bergh F; Salmon BP; Steenkamp Karen CDate:15 Dec 2009It is proposed that the NDVI time-series derived from MODIS satellite data can be modelled as a triply (mean, phase and amplitude) modulated cosine function. Secondly, a non-linear Extended Kalman Filter is developed to estimate the parameters ...Read more
Author:Burke, Michael G; Sabatta, DDate:Nov 2009Global Positioning Systems (GPS) provide an effective means of outdoor localisation. Unfortunately they are subject to a variety of errors, particularly in cluttered environments where GPS signal is not always available. Whilst GPS positional ...Read more
Author:Olivier, JCDate:May 2009An extended Kalman filter (EKF) is proposed to estimate the frequencies and chirp rate of multiple superimposed chirped pulses. The estimation problem is a difficult one, where maximum likelyhood methods are very complex especially if more ...Read more