Autofocusing of (inverse) synthetic aperture radar for motion compensation

HMJ Cantalloube, CE Nahum - Proceedings of the IEEE 1996 …, 1996 - ieeexplore.ieee.org
Ground imaging from an airborne synthetic aperture radar (SAR) and conversely aircraft
imaging from a ground based radar (ISAR) require the knowledge of the motion of the …

Estimation and correction of complex target motion effects in inverse synthetic aperture imaging of aircraft

T Sparr, SE Hamran… - Record of the IEEE 2000 …, 2000 - ieeexplore.ieee.org
Inverse synthetic aperture radar imaging may be seen as a 3D-to-2D projection of the target.
The projection plane is shown to be determined by the effective rotation of the target as seen …

A new motion compenstion scheme for ISAR imaging

Z Bao, W Deng, J Yang - CIE 1991 International Conference …, 1991 - ui.adsabs.harvard.edu
A motion compensation method for inverse synthetic aperture radar called scattering
centroid tracking technique is presented. It is suitable for tracking targets such as aircrafts …

Synthetic-aperture radar imaging

CJ Oliver - Journal of Physics D: Applied Physics, 1989 - iopscience.iop.org
Synthetic-aperture radar (SAR) has become an important tool for remote sensing of the
environment. However, until recently SAR systems, particularly airborne ones, have been …

Autofocusing using multiscale local correlation

CE Nahum - SAR Image Analysis, Modeling, and Techniques, 1998 - spiedigitallibrary.org
Ground imaging using a Synthetic Aperture Radar (SAR) requires the knowledge of the
antenna trajectory with a relative accuracy of a fraction of the wavelength upon an …

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 …

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 …

Autofocusing SAR images via local estimates of flight trajectory

OO Bezvesilniy, IM Gorovyi, DM Vavriv - International Journal of …, 2016 - cambridge.org
High-resolution imaging with an airborne synthetic aperture radar (SAR) calls for precise
trajectory measurements that can hardly be achieved with common navigation systems. In …

Principles of inverse synthetic aperture radar/ISAR/imaging

MJ Prickett, CC Chen - EASCON 1980; Electronics and …, 1980 - ui.adsabs.harvard.edu
Inverse synthetic aperture radar (ISAR) imaging principles, general motion compensation,
cross-range scaling considerations and preliminary images are presented. Two-dimensional …

Motion errors and compensation possibilities

D Hounam - In AGARD, 1992 - ui.adsabs.harvard.edu
The synthetic aperture radar (SAR) technique relies on knowledge of the relative motion
between the sensor and the target. If the flight path of the sensor is not accurately known or …