Results 1 to 10 of about 151,553 (228)

An Adaptive Ship Detection Scheme for Spaceborne SAR Imagery [PDF]

Sensors, 2016
With the rapid development of spaceborne synthetic aperture radar (SAR) and the increasing need of ship detection, research on adaptive ship detection in spaceborne SAR imagery is of great importance.
Xiangguang Leng, Kefeng Ji, Shilin Zhou, Xiangwei Xing, Huanxin Zou   +4 more
doaj   +2 more sources

Unambiguous Imaging of Static Scenes and Moving Targets with the First Chinese Dual-Channel Spaceborne SAR Sensor [PDF]

Sensors, 2017
Multichannel synthetic aperture radar (SAR) is a breakthrough given the inherent limitation between high-resolution and wide-swath (HRWS) faced with conventional SAR.
Tingting Jin, Xiaolan Qiu, Donghui Hu, Chibiao Ding   +3 more
doaj   +2 more sources

Deep Analysis of Imaging Characteristics of Spaceborne SAR Systems as Affected by Antennas Using 3D Antenna Pattern [PDF]

Sensors
Spaceborne Synthetic Aperture Radar (SAR) has become an indispensable tool for environmental monitoring, offering all-weather, day-and-night imaging capabilities.
Wei Shi, Heqing Huang, Wenjun Gao, Huaian Zhou, Hua Jiang   +4 more
doaj   +2 more sources

A Review of Spaceborne High-Resolution Spotlight/Sliding Spotlight Mode SAR Imaging

Remote Sensing
Spotlight/sliding spotlight modes can achieve higher resolution than the other imaging modes and are widely used in object detection and recognition applications.
Jianlai Chen, Baolong Wu
exaly   +3 more sources

Accurate Range Modeling for High-Resolution Spaceborne Synthetic Aperture Radar [PDF]

Sensors
Spaceborne synthetic aperture radar (SAR) is an advanced microwave imaging technology that provides all-weather and all-day target information. However, as spaceborne SAR resolution improves, traditional echo signal models based on airborne SAR design ...
Haisheng Li, Junshe An, Xiujie Jiang
doaj   +2 more sources

Research on Turning Motion Targets and Velocity Estimation in High Resolution Spaceborne SAR [PDF]

Sensors, 2020
Xiaolan Qiu
exaly   +2 more sources

A Range Ambiguity Suppression Processing Method for Spaceborne SAR with Up and Down Chirp Modulation [PDF]

Sensors, 2018
Bin Lei, Xiaolan Qiu
exaly   +2 more sources

Spaceborne SAR Non-Along-Track Imaging Mode: Opportunities and Challenges

Leida xuebao, 2022
Spaceborne Synthetic Aperture Radar (SAR) can achieve various performance combinations of resolution and observation bandwidth by adjusting the working modes.
Yan WANG, Lihong KANG, Jie LIU, Hui KUANG, Hanwei SUN, Ke CHEN, Xuan WANG, Haifeng YU, Xilong SUN, Pengnan ZHENG, Shuhao LIU, Tianzhu YI, Lei LIU, Heli GAO, Bing SUN, Running ZHANG, Zegang DING   +16 more
doaj   +1 more source

MCSNet: A Radio Frequency Interference Suppression Network for Spaceborne SAR Images via Multi-Dimensional Feature Transform

Remote Sensing, 2022
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 all-day capabilities.
Xiuhe Li, Jinhe Ran, Hao Zhang, Shunjun Wei   +3 more
doaj   +1 more source

Capability of a Ground-Based Passive Surveillance System to Detect and Track Spaceborne SAR in LEO Orbits

Remote Sensing, 2022
Monitoring the Earth’s surface from the low Earth orbit (LEO) by synthetic aperture radar (SAR) provides meaningful information about a number of human activities such as the ecosystem, agriculture, and of course security matters. During its operation in
David Novák, Ladislav Gregor, Jiří Veselý   +2 more
doaj   +1 more source