Results 1 to 10 of about 184,235 (277)

Estimating Significant Wave Height from SAR with Long Integration Times

Applied Sciences, 2022
Synthetic aperture radar (SAR) is an important means of estimating significant wave height with obvious advantages of all-day, all-weather, high resolution and wide swath coverage.
Yawei Zhao, Jinsong Chong, Zongze Li, Xianen Wei, Lijie Diao   +4 more
doaj   +1 more source

Sea Spike Suppression Method Based on Optimum Polarization Ratio in Airborne SAR Images

Sensors, 2021
In the condition of ocean observation for high-resolution airborne synthetic aperture radar (SAR), sea spikes will cause serious interference to SAR image interpretation and marine target detection. In order to improve the ability of target detection, it
Yawei Zhao, Jinsong Chong, Yan Li, Kai Sun, Xue Yang   +4 more
doaj   +1 more source

Measuring Ocean Surface Current in the Kuroshio Region Using Gaofen-3 SAR Data

Applied Sciences, 2021
The Kuroshio is the strongest warm current in the western North Pacific, which plays a crucial role in climate and human activities. In terms of this, the accurate acquisition of ocean surface current velocity and direction in the Kuroshio region is of ...
Yan Li, Jinsong Chong, Kai Sun, Yawei Zhao, Xue Yang   +4 more
doaj   +1 more source

Through-the-Wall Image Reconstruction via Reweighted Total Variation and Prior Information in Radio Tomographic Imaging

IEEE Access, 2020
This paper focuses on the application of radio tomographic imaging in through-the-wall image reconstruction. By using the simple wireless communication devices, e.g., Wi-Fi cards, the whole building layout can be reconstructed with only the received ...
Qichang Guo, Yanlei Li, Xingdong Liang, Jiawei Dong, Ruichang Cheng   +4 more
doaj   +1 more source

SAR Imaging Algorithm of Ocean Waves Based on Optimum Subaperture

Sensors, 2022
Synthetic Aperture Radar (SAR) is widely applied to the field of ocean remote sensing. Clear SAR images are the basis for ocean information acquisitions, such as parameter retrieval of ocean waves and wind field inversion of the ocean surface.
Yawei Zhao, Xianen Wei, Jinsong Chong, Lijie Diao   +3 more
doaj   +1 more source

A Simulation Method of Two-Dimensional Sea-Surface Current Field for Trajectory Crossing Spaceborne SAR

Applied Sciences, 2022
The trajectory-crossing method is an important and effective method for spaceborne SAR (synthetic aperture radar) to detect a two-dimensional current field.
Yan Li, Jinsong Chong, Zongze Li
doaj   +1 more source

Current Developments of Sparse Microwave Imaging

Leida xuebao, 2014
The sparse microwave imaging combines the sparse signal processing theory with radar imaging to obtain new theory, new system, and new methodology of microwave imaging.
Wu Yi-rong, Hong Wen, Zhang Bing-chen, Jiang Cheng-long, Zhang Zhe, Zhao Yao   +5 more
doaj   +1 more source

Accelerated Sparse Microwave Imaging Phase Error Compensation Algorithm Based on Combination of SAR Raw Data Simulator and Map-drift Autofocus Algorithm

Leida xuebao, 2016
Sparse microwave imaging is new concept, theory and methodology of microwave imaging, which introduces the sparse signal processing theory to microwave imaging and combines them together to overcome the paradox of increasing system complexity and imaging
Zhang Zhe, Zhang Bingchen, Hong Wen, Wu Yirong   +3 more
doaj   +1 more source

Fundamental issues in antenna design for microwave medical imaging applications [PDF]

, 2010
This paper surveys the development of microwave medical imaging and the fundamental challenges associated with microwave antennas design for medical imaging applications. Different microwave antennas used in medical imaging applications such as monopoles,
Busawon, Krishna, Elsdon, Michael, Fernando, Michael, Smith, Dave   +3 more
core   +1 more source

RIPless Based Radar Waveform Analysis in Sparse Microwave Imaging

Leida xuebao, 2013
The echo data can be modeled as the product of the Toeplitz matrix and reflectivity of the observed scene. The row of the Toeplitz matrix is the time-shift of the transmitted signal.
Zhao Yao, Zhang Bing-chen, Hong Wen, Wu Yi-rong   +3 more
doaj   +1 more source