Wavenumber-domain imaging algorithm for high squint SAR based on azimuth variation range model

Q DONG, Z YANG, Z LI, G SUN, M XING - 电子与信息学报, 2016 - jeit.ac.cn
Due to the acceleration in the moving of the platform, the SAR imaging of highly squinted
maneuvering platform becomes a problem to be solved urgently. The majority of currently …

A doppler resampling based imaging algorithm for high squint SAR with constant acceleration

N LI, B BIE, M XING, G SUN - 电子与信息学报, 2019 - jeit.ac.cn
Abstract A modified SPECtral ANalysis (SPECAN) algorithm based on Doppler resampling
is proposed to deal with the azimuth Space-Variant (SV) phase coefficients of the High …

Maneuvering platform high-squint SAR imaging method based on keystone transform and perturbation resampling

G LI, Y MA, J HOU, G XU - 电子与信息学报, 2020 - jeit.ac.cn
The existence of acceleration and descent velocity makes the imaging parameters of high-
squint SAR mounted on maneuvering platform have obvious two-dimensional spatial …

Focusing of maneuvering high-squint-mode SAR data based on equivalent range model and wavenumber-domain imaging algorithm

Z Li, J Chen, W Du, B Gao, D Guo… - IEEE Journal of …, 2020 - ieeexplore.ieee.org
Due to the complexity of high-squint synthetic aperture radar (SAR) mounted on
maneuvering platforms, the traditional geometric model and imaging algorithms cannot be …

Wavenumber-domain imaging algorithm for high squint diving SAR based on axes rotation

Q DONG, M XING, Z LI, G SUN - 电子与信息学报, 2016 - jeit.ac.cn
Due to the complexity of SAR imaging of maneuvering platform, traditional imaging
algorithms are unavailable in the diving stage with high squint angle. To deal with these …

A novel method of motion compensation for airborne high squint synthetic aperture radar

F Zhou, Q Wan, M XING, Z Bao - ACTA ELECTONICA SINICA, 2007 - ejournal.org.cn
Long synthetic aperture is required in high squint SAR imaging, which is severely influenced
by the nonstationarity of airplanes. Therefore, motion compensation is crucial in high squint …

A modified range model and Doppler resampling based imaging algorithm for high squint SAR on maneuvering platforms

B Bie, Y Quan, GC Sun, W Liu… - IEEE Geoscience and …, 2019 - ieeexplore.ieee.org
There are two technical difficulties to overcome before obtaining a well-focused image from
high squint (HS) synthetic aperture radar (SAR) with constant acceleration. One is effective …

A refined range doppler algorithm for airborne squinted SAR imaging under maneuvers

L Yue-li, L Dian-nong - 2007 1st Asian and Pacific Conference …, 2007 - ieeexplore.ieee.org
Based on the equivalent squint range model which combines velocities and constant
accelerations, a new approach is provided for airborne SAR data processing under …

CA-ECS algorithm for squinted SAR imaging based on constant acceleration model

B Sun, YQ Zhou, J Chen, CS Li - ACTA ELECTONICA SINICA, 2006 - ejournal.org.cn
This paper concentrates on accurate motion compensation method for airborne SAR in
diving model. The equivalent squint range model is deduced in the case of constant …

A modified wave-number domain algorithm for missile-borne squinted SAR data processing

ZY Xiao, HP Xu, CS Li - 电子与信息学报, 2011 - jeit.ac.cn
The Doppler parameters of missile-borne SAR received signal vary much with slant range
due to missiles high speed and non-ideal movements. Thus applying the classical wave …