Expansions and Discussions of the Phase Gradient Algorithm
JS Bates - 1998 - digitalcommons.usu.edu
The Phase Gradient Autofocus algorithm (PG A) is widely used in spotlight mode SAR for
motion compensation. The PG A algorithm has been proven to be a superior autofocus …
motion compensation. The PG A algorithm has been proven to be a superior autofocus …
[图书][B] The phase gradient autofocus algorithm with range dependent stripmap SAR
JS Bates - 2003 - search.proquest.com
Abstract The Phase Gradient Autofocus (PGA) algorithm is widely used in spotlight mode
SAR for motion compensation. The Maximum Likelihood PGA (ML PGA) algorithm has been …
SAR for motion compensation. The Maximum Likelihood PGA (ML PGA) algorithm has been …
Extending the phase gradient autofocus algorithm for low-altitude stripmap mode SAR
DG Thompson, JS Bates… - Proceedings of the 1999 …, 1999 - ieeexplore.ieee.org
The phase gradient autofocus (PGA) algorithm has been widely used in spotlight synthetic
aperture radar (SAR) to remove motion-induced blurs in the images. The PGA algorithm has …
aperture radar (SAR) to remove motion-induced blurs in the images. The PGA algorithm has …
[引用][C] PACE: An autofocus algorithm for SAR
J Kolman - IEEE International Radar Conference, 2005., 2005 - ieeexplore.ieee.org
A highly accurate phase error estimation algorithm can enable or enhance the performance
of many existing and emerging applications of synthetic aperture radar (SAR). In some …
of many existing and emerging applications of synthetic aperture radar (SAR). In some …
Range dependent phase gradient autofocus
DG Thompson, JS Bates, DV Arnold… - IGARSS'98. Sensing …, 1998 - ieeexplore.ieee.org
The Phase Gradient Autofocus (PGA) algorithm has been widely used in spotlight synthetic
aperture radar (SAR) to remove motion-induced blurs in the images. The PGA algorithm has …
aperture radar (SAR) to remove motion-induced blurs in the images. The PGA algorithm has …
An autofocus technique for video-SAR
R Linnehan, J Miller, E Bishop… - Algorithms for Synthetic …, 2013 - spiedigitallibrary.org
General Atomics Aeronautical Systems, Inc.(GA-ASI) is designing a real-time, video-SAR
(synthetic aperture radar) mode for a test bed radar system. Typically, the flight path for video …
(synthetic aperture radar) mode for a test bed radar system. Typically, the flight path for video …
Implementation of phase gradient autofocus algorithm for spotlight SAR
M Kuźniak, M Malanowski - Photonics Applications in …, 2007 - spiedigitallibrary.org
The phase gradient autofocus (PGA) technique is used for automatic estimation and
correction of phase errors in spotlight mode synthetic aperture radar (SAR) imagery. This …
correction of phase errors in spotlight mode synthetic aperture radar (SAR) imagery. This …
Analysis of SAR autofocus performance
RM Naething, RD West - Radar Sensor Technology XVII, 2013 - spiedigitallibrary.org
High quality focused SAR imaging dictates that the relative phase error over an aperture
must be kept below a fraction of a wavelength. On most deployed SAR systems the internal …
must be kept below a fraction of a wavelength. On most deployed SAR systems the internal …
Algorithms for focused linear SAR imaging
CJ Oliver, DP Belcher, AP Blake… - Algorithms for synthetic …, 1994 - spiedigitallibrary.org
This paper outlines the methods adopted by the DRA to obtain focused linear synthetic
aperture radar (SAR) images from a long-range, airborne, X-band SAR. We compare the …
aperture radar (SAR) images from a long-range, airborne, X-band SAR. We compare the …
Considerations for autofocus of spotlight-mode SAR imagery created using a beamforming algorithm
CV Jakowatz Jr, DE Wahl - Algorithms for Synthetic Aperture …, 2009 - spiedigitallibrary.org
In recent papers the authors discussed the advantages of forming spotlight-mode SAR
imagery from phase history data via a technique that is rooted in the principles of phased …
imagery from phase history data via a technique that is rooted in the principles of phased …