Precise frequency division algorithm for residual aperture‐variant motion compensation in synthetic aperture radar

Q Lu, P Huang, Y Gao, X Liu - Electronics Letters, 2019 - Wiley Online Library
The effects of complicated motion error on synthetic aperture radar have been analysed. A
precise frequency‐division is proposed based on the precise angle‐frequency relation. The …

Simple motion compensation algorithm for unfocused synthetic aperture radar

M Purchla, M Malanowski - Photonics Applications in …, 2004 - spiedigitallibrary.org
Synthetic Aperture Radar (SAR) is a technique used to obtain high-resolution radar images.
It can be carried out in two ways: Focused SAR or Unfocused SAR. Although the first method …

Motion correction in synthetic aperture radar using subaperture techniques

Z Zheng, X Liu, Z Zhou - 2004 IEEE International Conference …, 2004 - ieeexplore.ieee.org
Motion correction is required in airborne synthetic aperture radar to generate high quality
images. The paper proposes a new motion compensation method based on subaperture …

Target motion compensation by spectrum shifting in synthetic aperture radar

HC Chen, CD McGillem - IEEE Transactions on Aerospace and …, 1992 - ieeexplore.ieee.org
Target motion can severely distort the image in a conventional synthetic aperture radar
(SAR) by causing targets having even small components of radial velocity to be lost or to …

Motion compensation and autofocus of range/Doppler or bidimensional processing for airborne synthetic aperture radar

H Cantalloube, C Nahum - Aerospace science and technology, 1998 - Elsevier
The airborne use of synthetic aperture radars suffers from difficulties due to the
nonlinearities and the lack of accuracy in the measuring of the carrier trajectory. An …

Target motion compensation in synthetic aperture radar

HC Chen, CD McGillem - IEEE Aerospace and Electronic …, 1991 - ieeexplore.ieee.org
In a synthetic aperture radar (SAR) targets on the ground that are moving become smeared
as a result of velocity components parallel to the motion of the radar and are moved to …

Aperture weighting technique for video synthetic aperture radar

RW Hawley, WL Garber - Algorithms for Synthetic Aperture …, 2011 - spiedigitallibrary.org
We present a technique for aperture weighting for use in video synthetic aperture radar
(SAR). In video SAR the aperture required to achieve the desired cross range resolution …

Synthetic aperture radar

WM Brown - IEEE Transactions on Aerospace and Electronic …, 1967 - ieeexplore.ieee.org
The general theory of side-looking synthetic aperture radar systems is developed. A simple
circuit-theory model is developed; the geometry of the system determines the nature of the …

Synthetic aperture imaging with maneuvers

JH Mims, JL Farrell - IEEE Transactions on Aerospace and …, 1972 - ieeexplore.ieee.org
A digital processing approach has been devised for performing motion compensation in a
high-resolution airborne synthetic aperture radar in the presence of simultaneous …

Motion compensation for ISAR and noise effect

R Xu, Z Cao, Y Liu - IEEE Aerospace and Electronic Systems …, 1990 - ieeexplore.ieee.org
A method of motion compensation for inverse synthetic aperture radar (ISAR) is proposed.
The techniques of interpolation, cross correlation, and estimation are used together …