Wavenumber-domain imaging algorithm for high squint SAR based on azimuth variation range model
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 …
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
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 …
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 …
maneuvering platforms, the traditional geometric model and imaging algorithms cannot be …
Wavenumber-domain imaging algorithm for high squint diving SAR based on axes rotation
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 …
algorithms are unavailable in the diving stage with high squint angle. To deal with these …
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 …
accelerations, a new approach is provided for airborne SAR data processing under …
A modified range model and Doppler resampling based imaging algorithm for high squint SAR on maneuvering platforms
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 …
high squint (HS) synthetic aperture radar (SAR) with constant acceleration. One is effective …
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 …
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 …
diving SAR subaperture data due to its property of vertical velocity which brings variance in …
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 …
SAR due to its properties of high-speed, dive and high-squint. Based on the precise SAR …
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 …
image are induced by the acceleration and vertical velocity in a high-squint synthetic …
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