The Squinted High Resolution SAR Based On Frequency Synthetic Bandwidth

P Shao, Y Li, M Xing - EUSAR 2014; 10th European …, 2014 - ieeexplore.ieee.org
To suppress the high grating-lobe caused by phase discontinuity of frequency bandwidth
synthetic, a new approach of frequency synthetic bandwidth is proposed in this paper. First …

Algorithms for the Application of High Squint Large Region Image Formation to Hi-Band Airborne SAR

YL Li, DN Liang - 电子与信息学报, 2008 - jeit.ac.cn
Based on the squinted mode Synthetic Aperture Radar (SAR), this paper describes the
relationship between system parameters (wavelength, squint angle, resolution, swath) and …

A stepped frequency chirp scaling algorithm for high resolution SAR imaging

W Zhai, Y Zhang - … 3rd International Asia-Pacific Conference on …, 2011 - ieeexplore.ieee.org
A radar imaging method which combining stepped frequency chirp signal (SFCS)
processing and chirp scaling imaging algorithm to achieve high resolution in both range and …

Chirp scaling imaging algorithm of SAR in high squint mode based on range walk removal

Y Wu, H Song, J Peng - 电子与信息学报, 2010 - jeit.ac.cn
SAR echo signal in high squint mode features large range walk and small range curvature.
An improved CS imaging algorithm based on range-walk removal is proposed. First, range …

Imaging approach for airborne stepped-frequency synthetic aperture radar in the squinted mode

R Liu, Y Wang - Journal of applied remote sensing, 2017 - spiedigitallibrary.org
For synthetic aperture radar (SAR) imaging, a stepped-frequency chirp signal is widely used
to obtain ultrahigh range resolution. There are mainly two challenges in the stepped …

Azimuth nonlinear chirp scaling integrated with range chirp scaling algorithm for highly squinted SAR imaging

Q Zhai, W Wang, J Hu, J Zhang - Progress In Electromagnetics Research, 2013 - jpier.org
The difficulty of focusing high-resolution highly squinted SAR data comes from the serious
azimuth-range coupling, which needs to be compensated in the procedure of imaging …

Investigation on high precision sub-band synthesizing and processing method for very-high-resolution airborne SAR

P WANG, X WANG, N LI, W YU, R Wang - 电子与信息学报, 2017 - jeit.ac.cn
The past decades have witnessed an increasing attention for detailed observation with
developing of Synthetic Aperture Radar (SAR). The higher the resolutions of SAR images …

A high squint airborne sar imaging algorithm with low prf

T Yu, W Li - 2015 IEEE China Summit and International …, 2015 - ieeexplore.ieee.org
In this paper, we analyze the geometry and the echo characteristic of the airborne squint
mode Synthetic Aperture Radar (SAR), and propose an imaging algorithm which can adapt …

[PDF][PDF] Nonlinear frequency scaling algorithm for high squint spotlight SAR data processing

L Jin, X Liu - EURASIP Journal on Advances in Signal Processing, 2008 - Springer
This paper presents a new approach for the squint-mode spotlight SAR imaging. Like the
frequency scaling algorithm, this method starts with the received signal dechirped in range …

High‐Resolution Squinted SAR Imaging Algorithm Applied in the Near‐Field Environment

S Wang, S Wang, W Liu - Complexity, 2020 - Wiley Online Library
In the squinted synthetic aperture radar (SAR) imaging of the near‐field environment, range‐
dependent characteristic of squint angle cannot be ignored, which causes azimuth …