Subaperture imaging algorithm for missile-borne SAR

H JIANG, S CHEN, H ZHAO, M HAN, S ZHANG - 电子与信息学报, 2017 - jeit.ac.cn
In the missile borne subaperture SAR mode, the complicate motion of the platform and the
strong coupling between range and azimuth present substantial difficulty for echo data …

Improved back-projection imaging algorithm for approximate forward looking missile-borne SAR

X YE, G ZHANG, X HU, R CHEN, Y SUN - 北京航空航天大学学报, 2015 - bhxb.buaa.edu.cn
In order to solve the problems that the existing high squint missile-borne synthetic aperture
radar (SAR) algorithm can not deal with too high squint angle, and that the calculated …

An imaging algorithm for missile-borne SAR with downward movement based on azimuth nonlinear chirp scaling

S Zhou, M Bao, P Zhou, MD Xing, Z Bao - 电子与信息学报, 2011 - jeit.ac.cn
During the downward movement for missile-borne SAR, the assumption that echo signal
invariance in azimuth is not accurate, which is caused by high vertical velocity and …

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 …

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 …

A large scene imaging algorithm for missile-borne side-looking SAR

Y Yi, L Zhang, X Liu, N Liu, D Shen - 电子与信息学报, 2010 - jeit.ac.cn
The large range migration produced by missile diving acceleration flight make SAR image
difficult. This paper establishes the echo model of the missile-borne SAR by using the high …

An On-Board Imaging Processing Algorithm for Stripmap Mode of Azimuth Multichannel Spaceborne SAR

Y Liu, D Chen, W Xing, X Zhou, GC Sun… - IEEE Journal on …, 2023 - ieeexplore.ieee.org
In the traditional processing methods of azimuth multichannel spaceborne synthetic aperture
radar (SAR), the azimuth spectrum reconstruction and subsequent azimuth focusing are …

Range Doppler algorithm based missile-borne SAR imaging with diving maneuver

Y Qin, J Wang, H Wang, X Li - 电子与信息学报, 2009 - jeit.ac.cn
The general relative range model for non-linear trajectory is built firstly, followed by the
maneuver induced phase errors analysis. The quantitative conditions of ignoring these …

Research on real-time signal processing of the missile-borne SAR

Z He, J Zhu, B Zhou - 电子与信息学报, 2008 - jeit.ac.cn
In this paper, the theoretical analyses and simulations of the SAR imaging processing are
firstly made, the time-domain sub-aperture algorithm which is used to implement missile …

An efficient imaging algorithm for missile-borne side-looking SAR

Y Yu-sheng, Z Lin-rang, L Nan, L Xin, S Dong - 2009 - IET
This paper presents an efficient imaging algorithm for missile-borne SAR. In the course of
missile's diving flight, it is difficult to use the traditional imaging principle because of the …