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 …

[HTML][HTML] 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 …

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 …

Finding ground-based radars in SAR images: Localizing radio frequency interference using unsupervised deep learning

KA Sørensen, A Kusk, P Heiselberg… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Synthetic aperture radar (SAR) satellite images are used increasingly more for Earth
observation. While SAR images are useable in most conditions, they occasionally …

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 …

[HTML][HTML] MCSNet: A radio frequency interference suppression network for spaceborne SAR images via multi-dimensional feature transform

X Li, J Ran, H Zhang, S Wei - Remote Sensing, 2022 - mdpi.com
Spaceborne synthetic aperture radar (SAR) is a promising remote sensing technique, as it
can produce high-resolution imagery over a wide area of surveillance with all-weather and …

[HTML][HTML] Extension and evaluation of SSC for removing wideband RFI in SLC SAR images

B Chen, Z Lv, P Lu, G Shu, Y Huang, N Li - Remote Sensing, 2022 - mdpi.com
Synthetic aperture radar (SAR), as a wideband radar system, is easily contaminated by radio
frequency interference (RFI), which affects the imaging quality of SAR. The subband spectral …