Feature-Independent Aperture Evaluator for the Curvilinear SAR

Curvilinear synthetic aperture radar (SAR), as a more practicable 3-D SAR imaging system, utilizes parametric target feature estimates extracted from the received data to reconstruct the target image. The reconstructed image quality is then impacted by the estimation accuracy of the features. In thi...

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Veröffentlicht in:IEEE geoscience and remote sensing letters 2007-04, Vol.4 (2), p.191-195
Hauptverfasser: Su, Zhigang, Peng, Yingning, Wang, Xiutan
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Peng, Yingning
Wang, Xiutan
description Curvilinear synthetic aperture radar (SAR), as a more practicable 3-D SAR imaging system, utilizes parametric target feature estimates extracted from the received data to reconstruct the target image. The reconstructed image quality is then impacted by the estimation accuracy of the features. In this letter, through discussing the correlation between the system parameters and the estimation performance of the curvilinear SAR, a conclusion can be drawn on how the overall location accuracy of a target is determined by the correlation between the azimuth and elevation coordinates of the flight path, compactly characterizing the curvilinear aperture. Consequently, a new index, determined only with the aperture parameters, is proposed as an aperture evaluator, which is referred to as the feature-independent aperture evaluator (FAE). FAE can be used for guiding the operational aperture design
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subjects Aperture evaluation
Apertures
Azimuth
Correlation
curvilinear synthetic aperture
Data mining
Design engineering
Elevation
Feature extraction
Flight paths
Geometry
Image quality
Image reconstruction
Radar polarimetry
Radar scattering
Scattering parameters
Synthetic aperture radar
synthetic aperture radar (SAR)
three-dimensional target images
title Feature-Independent Aperture Evaluator for the Curvilinear SAR
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