Proposal-Copula-Based Fusion of Spaceborne and Airborne SAR Images for Ship Target Detection⁎⁎

X Wang, D Zhu, G Li, XP Zhang, Y He - Information Fusion, 2022 - Elsevier
In this paper, we consider the problem of fusion of synthetic aperture radar (SAR) images
from spaceborne and airborne sensors and investigate its applications to inshore ship target …

Design and performance of X-band SAR payload for 80 kg class flat-panel-type microsatellite based on active phased array antenna

S Kim, CM Song, SH Lee, SC Song, HU Oh - Aerospace, 2022 - mdpi.com
The small synthetic aperture radar (SAR) technology experimental project (S-STEP) mission
aims to develop an innovative spaceborne SAR microsatellite as a constellation of 32 …

High-efficiency broadband planar array antenna with suspended microstrip slab for X-band SAR onboard small satellites

K Anim, P Danuor, SO Park, YB Jung - Sensors, 2021 - mdpi.com
In this paper, a high efficiency broadband planar array antenna is developed at X-band for
synthetic aperture radar (SAR) on small satellites. The antenna is based on a multi-layer …

The on-orbit demonstration of the small SAR satellite. Initial calibration and observations

K Orzel, S Fujimaru, T Obata… - 2022 IEEE Radar …, 2022 - ieeexplore.ieee.org
The demand for Synthetic Aperture Radar (SAR) spaceborne data is on a rise. Cloud cover
and sunshine duration are major factors that limit the usability of optical sensors eg an …

Widefield Parametric Polar Format Algorithm for Spotlight SAR Imaging

Z Meng, L Zhang, L Chen - IEEE Journal of Selected Topics in …, 2023 - ieeexplore.ieee.org
For widefield synthetic aperture radar (SAR) imaging, range-dependent motion errors and
range curvature are the main obstacle for range cell migration correction (RCMC) and …

Wind Retrieval from Constellations of Small SAR Satellites: Potential for Offshore Wind Resource Assessment

M Badger, A Fujita, K Orzel, D Hatfield, M Kelly - Energies, 2023 - mdpi.com
The planning of offshore wind energy projects requires wind observations over long periods
for the establishment of wind speed distributions. In the marine environment, high-quality in …

Space demonstration of two-layer pop-up origami deployable membrane reflectarray antenna by 3U CubeSat OrigamiSat-2

G Nakayama, M Moritani, T Tomura, H Sakamoto… - 2023 - digitalcommons.usu.edu
Abstract 3U CubeSat OrigamiSat-2 demonstrates a 50-cm× 50-cm two-layer pop-up Origami
deployable membrane reflectarray antenna in space. The membrane has small stowage …

A three-step imaging algorithm for the constellation of geostationary and low Earth orbit SAR (ConGaLSAR)

P Xiao, W Guo, M Liu, B Liu - IEEE Transactions on Geoscience …, 2021 - ieeexplore.ieee.org
A novel synthetic aperture radar (SAR) constellation called Constellation of Geostationary
and Low Earth Orbit SAR (ConGaLSAR), including one geostationary illuminator and …

Two-Layer Pop-Up Origami Deployable Membrance Reflectarray Antenna Stowed in 1U CubeSat

T Tomura, H Sakamoto, Y Takeda, G Nakayama… - 2022 - digitalcommons.usu.edu
The present paper shows the innovative deployable reflectarray antenna concept that
enables to stow a 1m-by-1m square antenna into 1U CubeSat volume. The antenna is …

Ultra-high resolution imaging method for distributed small satellite spotlight MIMO-SAR based on sub-aperture image fusion

F Zhou, J Yang, L Jia, X Yang, M Xing - Sensors, 2021 - mdpi.com
Small satellite synthetic aperture radar (SAR) has become a new development direction of
spaceborne SAR due to its advantages of flexible launch, short development cycle, and low …