First demonstration of RFI mitigation in the phase synchronization of LT-1 bistatic SAR

Y Cai, J Li, Q Yang, D Liang, K Liu… - … on Geoscience and …, 2023 - ieeexplore.ieee.org
The innovative bistatic synthetic aperture radar (BiSAR) mission LuTan-1 (LT-1) uses a
noninterrupted synchronization scheme to achieve high-precision phase synchronization …

A modified 2-D notch filter based on image segmentation for RFI mitigation in synthetic aperture radar

Z Fu, H Zhang, J Zhao, N Li, F Zheng - Remote Sensing, 2023 - mdpi.com
Synthetic aperture radar (SAR), as an active microwave sensor, can inevitably receive radio
frequency interference (RFI) generated by various electromagnetic equipment. When the …

Simultaneous screening and detection of RFI from massive SAR images: A case study on European Sentinel-1

N Li, H Zhang, Z Lv, L Min, Z Guo - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Currently, the spaceborne synthetic aperture radar (SAR) system transmits a great deal of
data to the ground processing station and generates massive images daily, only a tiny …

Learning time–frequency information with prior for SAR radio frequency interference suppression

J Shen, B Han, Z Pan, G Li, Y Hu… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
In the complex electromagnetic environment, radio frequency interference (RFI) from other
radiation sources often conflicts with synthetic aperture radar (SAR) systems, which overlaps …

Mitigate the LFM-PRFI in SAR data: Joint down-range and cross-range filtering

Z Lv, H Fan, Z Chen, J Qiu, M Ren… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Synthetic aperture radar (SAR), an active remote sensing equipment, shares the spectrum
with devices in the same frequency band and is, therefore, easy to affect by pulse radio …

Smart jamming against SAR based on nonlinear frequency-modulated signal

N Li, D Cheng, P Lu, G Shu… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
The traditional methods of jamming against synthetic aperture radar (SAR), which are
implemented based on linear frequency-modulated (LFM) signals, are currently unable to …

An radio frequency interference mitigation approach for spaceborne SAR system in low SINR condition

Y Mao, Y Huang, X Yu, Y Xin, Y Wang… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Synthetic aperture radar (SAR) is a kind of active imaging radar, which can obtain high-
resolution wide-swath SAR images, especially for spaceborne SAR systems. In practical …

Joint radio frequency interference and deceptive jamming suppression method for single-channel SAR via subpulse coding

G Nie, G Liao, C Zeng, X Zhang… - IEEE Journal of Selected …, 2022 - ieeexplore.ieee.org
The radio frequency interference (RFI) and deceptive jamming (DJ), as two major external
threats to synthetic aperture radar (SAR) systems, can greatly reduce the readability and …

A joint azimuth multichannel cancellation (JAMC) antibarrage jamming scheme for spaceborne SAR

S Cheng, X Sun, Y Cai, H Zheng, W Yu… - IEEE Journal of …, 2022 - ieeexplore.ieee.org
The azimuth multichannel synthetic aperture radar (SAR) increases the swath width by
reducing the pulse repetition frequency (PRF), thus providing an effective scheme for …

Robust block subspace filtering for efficient removal of radio interference in synthetic aperture radar images

H Yang, P Lang, X Lu, S Chen, F Xi… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Due to spectrum sharing, spaceborne synthetic aperture radar (SAR) often experiences
signal interference emitted by ground radio systems. Interference removal methods for SAR …