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 …

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 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 …

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 …

New subaperture imaging algorithm and geometric correction method for high squint diving SAR based on equivalent squint model

L Zhen-yu, L Yi, X Meng-dao, B Zheng - 电子与信息学报, 2015 - jeit.ac.cn
The ordinary full-aperture SAR imaging algorithms are inapplicable to focus high squint
diving SAR subaperture data due to its property of vertical velocity which brings variance in …

New slant range model and azimuth perturbation resampling based high-squint maneuvering platform SAR imaging

X Xuying, L Gen, M Yanheng… - Journal of Systems …, 2021 - ieeexplore.ieee.org
Strong spatial variance of the imaging parameters and serious geometric distortion of the
image are induced by the acceleration and vertical velocity in a high-squint synthetic …

NLCS-SAR imaging algorithm with range-walk correction in frequency domain based on dive model

ZY Xiao, HP Xu, CS Li - 电子与信息学报, 2013 - jeit.ac.cn
The ordinary SAR imaging algorithms are inapplicable to missile-borne terminal guidance
SAR due to its properties of high-speed, dive and high-squint. Based on the precise SAR …