Error analysis based on the technology of multiple sub-band signal splicing in range direction
D Li, B Li, X Sun, D Han, R Liu… - … Conference on Electrical …, 2024 - spiedigitallibrary.org
Larger transmitting bandwidth is needed to get range direction high-resolution imaging in
Synthetic Aperture Radar (SAR) system. Though, large bandwidth signal faces many …
Synthetic Aperture Radar (SAR) system. Though, large bandwidth signal faces many …
A PGA and Time Domain Correlation Based Synthetic Bandwidth Method for High Range Resolution SAR System
T Tang, L Cui, P Wang, J Chen… - IGARSS 2022-2022 IEEE …, 2022 - ieeexplore.ieee.org
Ultra-high spatial resolution is an important development direction of spaceborne synthetic
aperture radar (SAR). The finer the resolution, the more details can be obtained from the …
aperture radar (SAR). The finer the resolution, the more details can be obtained from the …
Joint FPGA and Multi-DSP SAR Efficient Imaging System Based on WFBP Algorithm
S Lu, Y Song, Y Zhang, Z Li, JJ Wu… - IGARSS 2023-2023 …, 2023 - ieeexplore.ieee.org
The joint FPGA and multi-DSP imaging architecture has found widespread use in airborne
SAR and satellite-based SAR. However, traditional back-projection (BP) algorithms are not …
SAR and satellite-based SAR. However, traditional back-projection (BP) algorithms are not …
Accurate estimation of stitching error for high‐resolution multi‐sub‐bands SAR system with image sharpness analysis
J Chen, K Wang, W Yang - Electronics Letters, 2016 - Wiley Online Library
Multi‐sub‐bands stitching technique is an effective method to achieve ultra‐high range
resolution in synthetic aperture radar (SAR) system. However, sub‐bands stitching error …
resolution in synthetic aperture radar (SAR) system. However, sub‐bands stitching error …
Measurement and calibration of amplitude-phase errors in wideband multi-channel SAR
J Ying-Xin, W Yan-Fei - 电子与信息学报, 2013 - jeit.ac.cn
Multi-channel SAR technique is an effective solution to obtain high-resolution images with
better than 0.1 m. A radar transceiver channel scheme which consists of one wideband …
better than 0.1 m. A radar transceiver channel scheme which consists of one wideband …
[PDF][PDF] Channel error compensation for multi-channel SAR based on cost function
Z Lei, D Yun-kai, W Yu, Z Shi-chao, Y Liang - Journal of Radars, 2014 - edit.radars.ac.cn
Multi-channel in azimuth is a technique to achieve high-resolution as well as wide-swath in
Synthetic Aperture Radar (SAR) systems. Channel error is inevitable in multi-channel …
Synthetic Aperture Radar (SAR) systems. Channel error is inevitable in multi-channel …
A novel synthetic bandwidth method in BP image space for stepped-frequency SAR
H Kebin, Z Xiaoling, W Hui, S Jun - 2014 IEEE Radar …, 2014 - ieeexplore.ieee.org
The stepped-frequency synthetic aperture radar (SFSAR) has been widely used to obtain
high-range-resolution image. Combining the sub-band echoes to form a wideband signal is …
high-range-resolution image. Combining the sub-band echoes to form a wideband signal is …
Channel error correction for ultra-high resolution airborne SAR system with synthetic bandwidth
M Zhang, C Liu, YF Wang - 电子与信息学报, 2011 - jeit.ac.cn
Synthetic bandwidth technique provides an effective way to achieve the ultra high range
resolution of airborne SAR. But in the real synthetic bandwidth system, the correlation is …
resolution of airborne SAR. But in the real synthetic bandwidth system, the correlation is …
Image formation algorithm for highly-squint strip-map SAR onboard high-speed platform using continuous PRF variation
H Zeng, J Chen, W Yang, Y Zhu… - 2014 IEEE Geoscience …, 2014 - ieeexplore.ieee.org
In highly-squint strip-map Synthetic Aperture Radar (SAR) onboard high-speed platform, the
large range-walk is eliminated by continuously varying its pulse repetition interval (PRF) …
large range-walk is eliminated by continuously varying its pulse repetition interval (PRF) …
Investigation on high precision sub-band synthesizing and processing method for very-high-resolution airborne SAR
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 …
developing of Synthetic Aperture Radar (SAR). The higher the resolutions of SAR images …