@inproceedings{6846f6e51eed46388e24b11022fc6392,
title = "Cram{\'e}r-Rao bounds and estimation algorithms for delay/Doppler and conventional altimetry",
abstract = "Delay/Doppler radar altimetry has been receiving an increasing interest, especially since the launch of the first altimeter in 2010. It aims at reducing the measurement noise and increasing the along-track resolution in comparison with conventional pulse limited altimetry. A semi-analytical model was recently introduced for this new generation of delay/Doppler altimeters. The first contribution of this paper is the derivation of the Cram{\'e}r-Rao bounds (CRBs) associated with the parameters of this recent delay/Doppler model. These bounds are then compared with those obtained for conventional altimetry. The second contribution of this paper is the derivation of a new weighted least squares estimator based on the semi-analytical delay/Doppler model. The performance of this estimator is very promising when compared to other more classical estimators and to the corresponding CRBs.",
keywords = "Cram{\'e}r-Rao bounds, delay/Doppler map, least squares estimation, maximum likelihood estimation, SAR altimetry",
author = "A. Halimi and C. Mailhes and J.-Y. Tourneret",
year = "2013",
language = "English",
isbn = "9780992862602",
series = "European Signal Processing Conference",
publisher = "EUSIPCO",
booktitle = "Proceedings of the 21st European Signal Processing Conference",
note = "21st European Signal Processing Conference 2013, EUSIPCO 2013 ; Conference date: 09-09-2013 Through 13-09-2013",
}