Results 191 to 200 of about 83,591 (207)

Accurate Reconstruction and Suppression for Azimuth Ambiguities in Spaceborne Stripmap SAR Images [PDF]

IEEE Geoscience and Remote Sensing Letters, 2017
In this letter, an accurate mathematical model for azimuth ambiguity in stripmap synthetic aperture radar (SAR) images is first constructed, with an azimuth ambiguity factor (AAF) defined as the residual amplitude and phase terms of ambiguities.
Chanika Sukawattanavijit, Wei Yang, Hui Kuang   +2 more
exaly   +2 more sources

Suppressing the azimuth ambiguities in synthetic aperture radar images

IEEE Transactions on Geoscience and Remote Sensing, 1993
This paper proposes a method for removing the azimuth ambiguities from synthetic aperture radar (SAR) images. The basic idea is to generaste a two-dimensional reference function for SAR processing which provides, in addition to the matched filtering for
Alberto Moreira
exaly   +1 more source

Adaptive removal of azimuth ambiguities in SAR images

IEEE Transactions on Geoscience and Remote Sensing, 2005
We introduce an innovative algorithm that is capable of suppression of strong azimuth ambiguities in single-look complex (SLC) synthetic aperture radar images, to be used both for detected products and for interferometric surveys.
A M Guarnieri
exaly   +1 more source

Accounting for azimuth ambiguities in interferometric performance analysis [PDF]

, 2012
Azimuth ambiguities affect the interferometric performance of SAR systems, causing a bias in the interferometric phase and a modulation of the interferometric coherence, as also visible in some TanDEM-X interferograms.
Michelangelo Villano, Gerhard Krieger
exaly   +2 more sources

Azimuth Ambiguities Removal for Ship Detection Using Full Polarimetric X-Band SAR Data

IEEE Transactions on Geoscience and Remote Sensing, 2014
Synthetic aperture radar (SAR) ship detection is an important application in the field of maritime security. Azimuth ambiguities caused by the aliasing of the Doppler phase history of each point are often visible in SAR images particularly in ocean areas
Domenico Velotto, Susanne Lehner
exaly   +2 more sources

Calibration of SIMO Formations With Azimuth Ambiguities

IEEE Transactions on Geoscience and Remote Sensing
Formations of small satellites are gaining momentum as an alternative to single synthetic aperture radar (SAR) systems, allowing them to improve performance and reduce costs. Each sensor operates with a low pulse repetition frequency (PRF), so swath size
Andrea Virgilio Monti-Guarnieri, Naomi Petrushevsky   +1 more
exaly   +2 more sources

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Azimuth Ambiguities Suppression Using Group Sparsity and Nonconvex Regularization for Sliding Spotlight Mode: Results on QILU-1 SAR Data

2022
Mingqian Liu, Zhongqiu Xu, Bingchen Zhang   +2 more
exaly  

Suppression of Azimuth Ambiguities of Strong Point-Like Targets for Multichannel SAR Systems

IEEE Geoscience and Remote Sensing Letters, 2017
Xingzhao Liu, Xiaojiang Guo, Yesheng Gao   +2 more
exaly  

Reconsideration of Azimuth Ambiguities in SAR

IEEE Transactions on Geoscience and Remote Sensing, 1987
R Keith Raney
exaly  

Suppression of azimuth ambiguities in spaceborne stripmap SAR using accurate restoration modeling

2015
Wei Yang, Zhuo Li
exaly