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 …

Pulse RFI mitigation in synthetic aperture radar data via a three-step approach: Location, notch, and recovery

N Li, Z Lv, Z Guo - IEEE Transactions on Geoscience and …, 2022 - ieeexplore.ieee.org
In complex electromagnetic environments, synthetic aperture radar (SAR) is severely
affected by radio frequency interference (RFI) from other systems, such as ground-based …

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 …

[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 …

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 …

Extraction and mitigation of radio frequency interference artifacts based on time-series Sentinel-1 SAR data

M Tao, S Lai, J Li, J Su, Y Fan… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Radio frequency interference (RFI) is a critical issue for accurate remote sensing by
synthetic aperture radar (SAR). Existing literature mainly detects and mitigates RFI in the raw …

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 …

Radio frequency interference signature detection in radar remote sensing image using semantic cognition enhancement network

M Tao, J Li, J Chen, Y Liu, Y Fan, J Su… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Radio frequency interference (RFI) is a significant threat to accurate microwave remote
sensing. The RFI signals manifest themselves in unpredictable locations and patterns in the …

[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 …