Results 41 to 50 of about 1,598,295 (269)

Advanced Digital Beamforming Concepts for Future SAR Systems [PDF]

, 2010
This paper reviews advanced multi-channel SAR system concepts for the imaging of wide swaths with high resolution. Several novel system architectures employing both direct radiating arrays and reflector antennas fed by a digital array are introduced ...
A. Patyuchenko, Bordoni, Federica, A. Moreira, Krieger, Gerhard, Patyuchenko, Anton, F. Bordoni, Huber, Sigurd, S. Huber, Moreira, Alberto, Younis, Marwan, G. Krieger, Gebert, Nicolas, M. Younis, N. Gebert   +13 more
core   +1 more source

High resolution PolInSAR with the ground-based SAR (GB-SAR) System: measurement and modelling [PDF]

, 2006
Ground-based work is necessary for a comprehensive assessment of the operational potential and limitations of PolInSAR in airborne and satellite SAR applications. A study is made of the performance and usefulness of the UK’s Ground-Based SAR (GB-SAR)
Morrison, Keith, Williams, Mark L., M.L. Williams, K. Morrison   +3 more
core   +1 more source

Flexible Pressure Sensor With Co‐Optimized Sensitivity and Linearity Based on Gradient Toroidal Microstructures

Advanced Materials Technologies, EarlyView.
A flexible piezoresistive pressure sensor with gradient toroidal CNT/PDMS microstructures is reported. The hierarchical geometry enables sequential electrode contact, achieving a sensitivity of 256.20 kPa−1 and linear response (R2 = 0.99) over 0–1000 kPa.
Rongmei Wang, Ruolin Liu, Ming Lei, Yifan Liu, Fengming Hu, Bing Ji, Chao Peng, Jianyi Luo, Bingpu Zhou   +8 more
wiley   +1 more source

Video SAR Moving Target Tracking Using Joint Kernelized Correlation Filter

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2022
Video synthetic aperture radar (ViSAR) has been found very useful for the surveillance of ground moving targets. The target energy can be utilized for ground moving target tracking, while the dynamic shadows of moving targets enable an alternative ...
Chao Zhong, Jinshan Ding, Yuhong Zhang
doaj   +1 more source

MIMO-SAR and the Orthogonality Confusion [PDF]

, 2012
This paper reviews radar architectures that employ multiple transmit and multiple receive channels to improve the performance of synthetic aperture radar (SAR) systems.
A. Patyuchenko, Laskowski, Piotr, M. Villano, Bordoni, Federica, A. Moreira, Krieger, Gerhard, J. Kim, Kim, Junghyo, Lopez-Dekker, Paco, Patyuchenko, Anton, F. Bordoni, Huber, Sigurd, S. Huber, Moreira, Alberto, T. Romme, Younis, Marwan, G. Krieger, P. Lopez-Dekker, Villano, Michealangelo, M. Younis, Rommel, Tobias, P. Laskowski   +21 more
core   +1 more source

Learning Highly Dynamic Skills Transition for Quadruped Jumping Through Constrained Space

Advanced Robotics Research, EarlyView.
A quadruped robot masters dynamic jumps through constrained spaces with animal‐inspired moves and intelligent vision control. This hierarchical learning approach combines imitation of biological agility with real‐time trajectory planning. Although legged animals are capable of performing explosive motions while traversing confined spaces, replicating ...
Zeren Luo, Jiahui Zhang, Yimin Han, Ji Ma, Minghao Lu, Ioannis Havoutis, Peng Lu   +6 more
wiley   +1 more source

F-SAR – DLR’s advanced airborne SAR system onboard DO228 [PDF]

, 2008
The Microwaves and Radar Institute of the German Aerospace Center (DLR) is known for its consistent work on the field of airborne synthetic aperture radar and its application.
Nottensteiner, Anton, Rolf Scheiber, Anton Nottensteiner, Horn, Ralf, Ralf Horn, Scheiber, Rolf   +5 more
core  

Wavy‐Interlocked Stretchable Triboelectric Nanogenerators Enhanced by Liquid Metal Microflowers for Self‐Powered Wearable Motion Monitoring

Advanced Science, EarlyView.
Schematic showing a stretchable triboelectric nanogenerator based on interlocked wavy architectures that uses EGaIn microflower‐embedded PVDF‐TrFE and Nylon‐6 nanofiber membranes. The multi‐petaled, electron‐rich EGaIn microflowers enhance interfacial polarization and capacitance, while the interlocked wavy architecture enlarges the effective contact ...
Qianqian Xu, Huimin Li, Hanmin Zeng, Yahui Meng, Yimeng He, Xinke Hu, Senfeng Zhao, Jianxun Zhang, Peiqiong Zhou, Kechao Zhou, Dou Zhang, Chris Bowen, Yan Zhang   +12 more
wiley   +1 more source

A Joint Moving Target Detection Method in Video SAR Via Low-Rank Sparse Decomposition and Transformer

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Video synthetic aperture radar (SAR) has exhibited considerable potential for detecting and tracking ground moving targets. Numerous classical shadow-based detection methods have been applied in video SAR.
Hui Fang, Guisheng Liao, Yongjun Liu, Cao Zeng, Xiongpeng He, Mingming Xu   +5 more
doaj   +1 more source

Advanced Interferometric SAR Techniques with TanDEM-X [PDF]

, 2008
TanDEM-X is an innovative mission with a TerraSAR-X add-on satellite for high-resolution singlepass SAR interferometry. The TanDEM-X mission has the primary objective of generating a consistent, global DEM with an unprecedented accuracy according to the ...
Hajnsek, Irena, Fiedler, Hauke, Hauke Fiedler, Krieger, Gerhard, Irena Hajnsek, Marwan Younis, Manfred Zink, Werner, Marian, Alberto Moreira, Zink, Manfred, Moreira, Alberto, Younis, Marwan, Gerhard Krieger, Marian Werner   +13 more
core   +1 more source