[HTML][HTML] Forthcoming spaceborne SAR development
D Yunkai, YU Weidong, Z Heng, W Wei, LIU Dacheng… - 雷达学报, 2020 - radars.ac.cn
Abstract Spaceborne Synthetic Aperture Radar (SAR), which can be mounted on space
vehicles to collect information of the entire planet with all-day and all-weather imaging …
vehicles to collect information of the entire planet with all-day and all-weather imaging …
[HTML][HTML] 未来星载SAR 技术发展趋势
邓云凯, 禹卫东, 张衡, 王伟, 刘大成, 王宇 - 雷达学报, 2020 - radars.ac.cn
星载合成孔径雷达(SAR) 以卫星等空间飞行器为运动平台, 具有全天时, 全天候, 全球观测能力,
已成为一种不可或缺的对地观测手段. 当前, 我国星载SAR 已实现分辨率从米级到亚米级 …
已成为一种不可或缺的对地观测手段. 当前, 我国星载SAR 已实现分辨率从米级到亚米级 …
SAR waveform and mismatched filter design for countering interrupted-sampling repeater jamming
K Zhou, D Li, S Quan, T Liu, Y Su… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
The interrupted-sampling repeater jamming (ISRJ) is coherent and has the characteristic of
suppression and deception to degrade the synthetic aperture radar (SAR) image quality …
suppression and deception to degrade the synthetic aperture radar (SAR) image quality …
An advanced nonlinear frequency modulation waveform for radar imaging with low sidelobe
With the development of high-resolution radar satellite for global comprehensive
environmental monitoring, day-and-night and all-weather surveillance has become an active …
environmental monitoring, day-and-night and all-weather surveillance has become an active …
Quasi-orthogonal waveforms for ambiguity suppression in spaceborne quad-pol SAR
This article deals with the synthesis and analysis of quasi-orthogonal nonlinear frequency
modulation (NLFM) waveforms to mitigate the impairments of ambiguous returns in …
modulation (NLFM) waveforms to mitigate the impairments of ambiguous returns in …
Waveform and filter joint design method for pulse compression sidelobe reduction
K Zhou, S Quan, D Li, T Liu, F He… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
A joint waveform and filter design method is developed for suppressing radar pulse
compression sidelobe level in this article. The problem is formulated as the minimization of …
compression sidelobe level in this article. The problem is formulated as the minimization of …
Smart jamming against SAR based on nonlinear frequency-modulated signal
The traditional methods of jamming against synthetic aperture radar (SAR), which are
implemented based on linear frequency-modulated (LFM) signals, are currently unable to …
implemented based on linear frequency-modulated (LFM) signals, are currently unable to …
Nonlinear frequency modulation signal generator in LT-1
Generally, synthetic aperture radar (SAR) system transmits linear frequency modulation
(LFM) signal to obtain the high-resolution image and weighted windowing is usually …
(LFM) signal to obtain the high-resolution image and weighted windowing is usually …
Mitigating range ambiguities with advanced nonlinear frequency modulation waveform
Range ambiguity suppression is a technical challenge for current synthetic aperture radar
systems. A potential solution is to orthogonally modulate the transmitting pulses; however …
systems. A potential solution is to orthogonally modulate the transmitting pulses; however …
Designing constant modulus complete complementary sequence with high Doppler tolerance for simultaneous polarimetric radar
F Wang, C Pang, H Wu, Y Li… - IEEE Signal Processing …, 2019 - ieeexplore.ieee.org
A pair of waveforms with good auto-and crosscorrelation properties is required in
simultaneous polarimetric radar. Complete complementary sequence (CCS) has ideal range …
simultaneous polarimetric radar. Complete complementary sequence (CCS) has ideal range …