Results 61 to 70 of about 229,198 (350)

Time for a change in phased array radar architectures- part II: The d-radar [PDF]

open access: yes, 2015
A novel multifunction phased array radar is introduced, characterized by conformal arrays, extensive usage of digital beam forming and separation between Tx and Rx arrays.
Piracci, EG   +14 more
core   +1 more source

PAMIR - a wideband phased array SAR/MTI system [PDF]

open access: yes, 2022
S.165-172Air- and spaceborne imaging radar systems in forthcoming surveillance and reconnaissance tasks have to meet increasingly severe demands. The next generation of top-level synthetic aperture radar (SAR) systems will comprise, among others, high ...
Ender, J., Brenner, A.
core   +1 more source

A Multi-Source Radar Data Complementary Enhancement Generation Method Based on Diffusion Model

open access: yesRemote Sensing
Multi-source radar data fusion has become increasingly vital for advancing weather monitoring and forecasting. However, effectively integrating Doppler radar with an X-band phased-array radar remains challenging.
Yuan Peng   +4 more
doaj   +1 more source

New‐Era Polymer Thermoelectrics: Material Innovations, Doping Frontiers, Decoupling Strategies, and Unconventional Applications

open access: yesAdvanced Materials, EarlyView.
The field of polymer thermoelectrics is entering a new era, featuring breakthroughs in addressing the conventional performance disparity between p‐type and n‐type polymers, pioneering doping frontiers, and sophisticated decoupling strategies. This review explores innovations in molecular design and superior stabilities, bridging the gap from ...
Suhao Wang
wiley   +1 more source

Analysis of Onboard Verification Flight Test for the Salinity Satellite Scatterometer

open access: yesSensors, 2023
The upcoming Salinity Satellite, scheduled for launch in 2024, will feature the world’s first phased array radar scatterometer. To validate its capability in measuring ocean surface backscatter coefficients, this paper conducts an in-depth analysis of ...
Yongqing Liu   +7 more
doaj   +1 more source

High-resolution phased array radar imaging by photonics-based broadband digital beamforming.

open access: yesOptics Express, 2019
A photonics-based broadband phased array radar is demonstrated to realize high-resolution imaging based on digital beamforming. This photonics-based phased array radar can achieve a high range resolution enabled by a large operation bandwidth, and can ...
Bindong Gao   +4 more
semanticscholar   +1 more source

Neuromorphic Electronics for Intelligence Everywhere: Emerging Devices, Flexible Platforms, and Scalable System Architectures

open access: yesAdvanced Materials, EarlyView.
The perspective presents an integrated view of neuromorphic technologies, from device physics to real‐time applicability, while highlighting the necessity of full‐stack co‐optimization. By outlining practical hardware‐level strategies to exploit device behavior and mitigate non‐idealities, it shows pathways for building efficient, scalable, and ...
Kapil Bhardwaj   +8 more
wiley   +1 more source

Adaptive beamforming for large arrays in satellite communications systems with dispersed coverage [PDF]

open access: yes, 2011
Conventional multibeam satellite communications systems ensure coverage of wide areas through multiple fixed beams where all users inside a beam share the same bandwidth. We consider a new and more flexible system where each user is assigned his own beam,
Larue de Tournemine, Cécile   +5 more
core   +1 more source

Why The Phased-Mimo Radar Outperforms The Phased-Array And Mimo Radars

open access: yes, 2010
Publication in the conference proceedings of EUSIPCO, Aalborg, Denmark ...
Aboulnasr Hassanien, Sergiy A. Vorobyov
openaire   +2 more sources

Space‐Time Coding Conformal Metasurfaces for Multifrequency Beam Steering and Shaping

open access: yesAdvanced Materials, EarlyView.
Space‐time coding conformal metasurfaces enable dynamic wave control on curved surfaces by combining programmable spatial patterns with temporal modulation. This study shows that a single conformal aperture can independently manipulate multiple frequency components, achieving multifunctional beam shaping and steering, with implications for ...
Filippo Pepe   +8 more
wiley   +1 more source

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