Title :
Simulation of LIDAR-based aircraft wake vortex detection using a bi-gaussian spectral model
Author :
Lugan, Sébastien ; Bricteux, Laurent ; Macq, Beno ît ; Sobieski, Piotr ; Winckelmans, Grégoire ; Douxchamps, Damien
Author_Institution :
Univ. Catholique de Louvain, Louvain-la-Neuve
Abstract :
A new spectral model of the return signal from a LIDAR Doppler wake vortex detector is proposed. It has been experimentally discovered during ground-based and flight test campaigns but suffered a lack of theoretical evidence. Using high resolution fluid simulations of wake vortices, we highlight the physical meaning of this model. Comparisons with the traditional single Gaussian model show the superiority of this new approach is consistent with previous experimental results.
Keywords :
atmospheric techniques; geophysical fluid dynamics; optical radar; Gaussian model; LIDAR Doppler wake vortex detector; bi-Gaussian spectral model; flight test campaign; ground-based campaign; high resolution fluid simulations; return signal; Aircraft; Atmosphere; Atmospheric modeling; Computational modeling; Image processing; Infrared detectors; Laboratories; Laser radar; Navier-Stokes equations; Wind speed;
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.2007.4423936