Results 61 to 70 of about 17,640,042 (143)

High Resolution Wide Swath SAR Imaging with Digital Beamforming - Performance Analysis, Optimization, System Design [PDF]

, 2006
Multi-aperture synthetic aperture radar (SAR) systems in combination with an appropriate coherent processing of the individual aperture signals enable high resolution wide swath (HRWS) SAR imaging.
Moreira, Alberto, Gebert, Nicolas, Krieger, Gerhard   +2 more
core  

Brief Analysis on the Development and Application of Multi-Input Multi-Output Synthetic Aperture Radar

Leida xuebao, 2014
Recently, a novel conception of Synthetic Aperture Radar (SAR) based on Multi-Input Multi-Output (MIMO) technology draws much attention for its potential advantages.
Zhou Wei, Liu Yong-xiang, Li Xiang, Ling Yong-shun   +3 more
doaj   +1 more source

An Efficient Multichannel SAR Channel Phase Error Calibration Method Based on Fine-Focused HRWS SAR Image Entropy

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2022
Azimuth multichannel synthetic aperture radar (SAR) is a useful approach to solving minimum antenna area constraint and realizing high resolution and wide swath (HRWS) imaging by multichannel signal reconstruction.
Jixiang Xiang, Xiaojie Ding, Guang-Cai Sun, Zijing Zhang, Mengdao Xing, Wenkang Liu   +5 more
doaj   +1 more source

Multi-Channel ScanSAR for High-Resolution Ultra-Wide-Swath Imaging [PDF]

, 2008
Multi-channel radar systems enable to overcome the inherent limitation of conventional synthetic aperture radar (SAR). An example is the combination of digital beamforming on receive in elevation with multi-aperture SAR signal reconstruction in azimuth ...
Moreira, Alberto, Gebert, Nicolas, Krieger, Gerhard   +2 more
core  

High-resolution wide-swath SAR processing with compressed sensing

, 2022
S.3830-3833This paper derives a signal processing method based on compressed sensing (CS) for multi-channel high-resolution wide-swath (HRWS) synthetic aperture radars (SARs) and discusses the applicability of CS for reconstructing the SAR image from ...
Cerutti-Maori, D., Sikaneta, I., Ender, J., Prunte, L.   +3 more
core   +1 more source

A Novel Azimuth Doppler Signal Reconstruction Approach for the GEO-LEO Bi-Static Multi-Channel HRWS SAR System

IEEE Access, 2019
For the geosynchronous-low earth orbit (GEO-LEO) bi-static multi-channel high-resolution and wide-swath synthetic aperture radar (HRWS SAR) system, a novel azimuth Doppler signal reconstruction algorithm is developed based on an equivalent baseline ...
Shuang-Xi Zhang, Shaojie Li, Yanyang Liu, Meng-Dao Xing, Junli Chen   +4 more
doaj   +1 more source

An Improved Imaging Algorithm for HRWS Space-Borne SAR Data Processing Based on CVPRI

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2023
In space-borne synthetic aperture radar (SAR), the sliding spotlight mode can acquire images with both high-resolution and wide-swath in azimuth direction.
Yanan Guo, Pengbo Wang, Xinkai Zhou, Tao He, Jie Chen   +4 more
doaj   +1 more source

Mitigation of Suppressive Interference in AMPC SAR Based on Digital Beamforming

Remote Sensing
Multichannel Synthetic Aperture Radar (MC-SAR) systems, such as Azimuth Multi-Phase Centre (AMPC) SAR, provide an effective solution for achieving high-resolution wide-swath (HRWS) imaging by reducing the pulse repetition frequency (PRF) to increase the ...
Zhipeng Xiao, Feng He, Zaoyu Sun, Zehua Zhang   +3 more
doaj   +1 more source

Ultra Wide Swath Imaging With Multi-Channel SAR Systems [PDF]

, 2008
Multi-channel radar systems allow for overcoming the inherent limitation of conventional synthetic aperture radar (SAR). An example is the combination of digital beamforming on receive in elevation with multi-aperture SAR signal reconstruction in azimuth
Bordoni, Federica, Moreira, Alberto, Younis, Marwan, Gebert, Nicolas, Krieger, Gerhard   +4 more
core  

Multidimensional Waveform Encoding for Synthetic Aperture Radar Remote Sensing [PDF]

, 2007
This paper introduces and analyses the innovative concept of multidimensional waveform encoding for spaceborne synthetic aperture radar (SAR). The combination of this technique with digital beamforming on receive enables a new class of highly ...
Moreira, Alberto, A. Moreira, G. Krieger, Gebert, Nicolas, Krieger, Gerhard, N. Gebert   +5 more
core   +1 more source