Results 21 to 30 of about 10,913 (119)

Accurate Analysis of Target Characteristic in Bistatic SAR Images: A Dihedral Corner Reflectors Case

Sensors, 2017
The dihedral corner reflectors are the basic geometric structure of many targets and are the main contributions of radar cross section (RCS) in the synthetic aperture radar (SAR) images.
Dongyang Ao, Yuanhao Li, Cheng Hu, Weiming Tian   +3 more
doaj   +1 more source

Electromagnetic Scattering Characteristic Extraction and Imaging Recognition Algorithm: A Review

Leida xuebao, 2022
One remarkable trend in applying synthetic aperture radar technology is the automatic interpretation of Synthetic Aperture Radar (SAR) images. The electromagnetic scattering characteristics have a robust correlation with the target structure, which ...
Mengdao XING, Yiyuan XIE, Yuexin GAO, Jinsong ZHANG, Jiaming LIU, Zhixin WU   +5 more
doaj   +1 more source

Special Issue on Polarimetric SAR Techniques and Applications

Applied Sciences, 2017
Synthetic Aperture Radar (SAR) polarimetry is an active and fruitful field of research in Earth observation. [...]
Carlos Lopez-Martinez, Juan M. Lopez-Sanchez   +1 more
doaj   +1 more source

Ultra-High Resolution Imaging Method for Distributed Small Satellite Spotlight MIMO-SAR Based on Sub-Aperture Image Fusion

Sensors, 2021
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 cost.
Fang Zhou, Jun Yang, Lu Jia, Xingming Yang, Mengdao Xing   +4 more
doaj   +1 more source

Back projection algorithm-based GEO SAR real-time quick Look imaging system

The Journal of Engineering, 2019
Geosynchronous earth orbit synthetic aperture radar (GEO SAR) has the advantages of short revisit period and wide observation range. However, compared with low earth orbit SAR (LEO SAR), GEO SAR has the distinct characteristics of long synthetic aperture
Qingjun Zhang, Tengfei Li, Yu Zhu, Zhongjiang Yu, Zegang Ding, Xin Guo, Zheng Lv   +6 more
doaj   +1 more source

A robust framework for removing G0 distributed noise from Synthetic Aperture Radar images

Cogent Engineering
Synthetic Aperture Radar (SAR) imagery finds widespread applications across engineering disciplines, encompassing vegetation surveys, biomass estimation, and weather-related investigations.
Rajan M. Ragesh, M. Vinayababu, Suresh Shilpa   +2 more
doaj   +1 more source

Airborne Circularly Polarized Synthetic Aperture Radar

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2021
In this article, airborne broadband (maximum 400 MHz bandwidth) C-band circularly polarized synthetic aperture radar (SAR) is proposed and developed for further study on airborne compact polarized synthetic aperture radar (CP SAR) system using circular ...
Josaphat Tetuko Sri Sumantyo, Ming Yam Chua, Cahya Edi Santosa, Good Fried Panggabean, Tomoro Watanabe, Bambang Setiadi, Fransiskus Dwikoco Sri Sumantyo, Kengo Tsushima, Karna Sasmita, Agus Mardiyanto, Edy Supartono, Eko Tjipto Rahardjo, Gunawan Wibisono, Muh Aris Marfai, Retnadi Heru Jatmiko, h Sudaryatno, Taufik Hery Purwanto, Barandi Sapta Widartono, Muhammad Kamal, Daniele Perissin, Steven Gao, Koichi Ito   +21 more
doaj   +1 more source

PRELIMINARY RESULTS OF ESTIMATING SOIL MOISTURE OVER BARE SOIL USING FULL-POLARIMETRIC ALOS-2 DATA [PDF]

The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2016
Synthetic Aperture Radar (SAR) imaging system is one of the most effective way for Earth observation. The aim of this study is to present the preliminary results about estimating soil moisture using L-band Synthetic Aperture Radar (SAR) data.
A. Sekertekin, A. M. Marangoz, S. Abdikan, M. T. Esetlili   +3 more
doaj   +1 more source

Multichannel False-target Discrimination in SAR Images Based on Sub-aperture and Full-aperture Feature Learning

Leida xuebao, 2021
False targets caused by multichannel Synthetic Aperture Radar (SAR) are similar to a defocused ship in both shape and texture, making it difficult to discriminate in the full-aperture SAR image.
Lin MA, Zongxu PAN, Zhongling HUANG, Bing HAN, Yuxin HU, Xiao ZHOU, Bin LEI   +6 more
doaj   +1 more source

Four-dimensional SAR Imaging Algorithm Based on Iterative Reconstruction of Magnitude and Phase

Leida xuebao, 2016
Observation data obtained from the Four-Dimensional (4D) Synthetic Aperture Radar (SAR) system is sparse and non-uniform in the baseline-time plane. Hence, the imaging results acquired by traditional Fourier-based methods are limited by high side lobes ...
Ren Xiaozhen, Yang Ruliang
doaj   +1 more source