Results 1 to 10 of about 7,102,543 (272)
Configuration Investigation, Structure Design and Deployment Dynamics of Rigid-Reflector Spaceborne Antenna with Deviation-Angle Panel [PDF]
Rigid-reflector spaceborne antennas (RRSAs) are well-suited for high-frequency application scenarios due to their high surface accuracy. However, the low stowing efficiency of RRSAs limits the aperture diameters and further deteriorates the ...
Guodong Tan +6 more
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Design of Wideband High-Gain Patch Antenna Array for High-Temperature Applications
A low-profile, wideband, and high-gain antenna array, based on a novel double-H-shaped slot microstrip patch radiating element and robust against high temperature variations, is proposed in this work.
Ruibo Li +7 more
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Progress and Challenges in Electromechanical Coupling of Radio Telescopes
Radio astronomy is a discipline of dynamics and wonders. The vast universe has many secrets to unravel. As one of the important facilities in this discipline, radio telescopes play a key role in collecting astronomical data and unraveling mysteries. With
Yuefei Yan +9 more
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Motivation Application of chemical named entity recognition (CNER) algorithms allows retrieval of information from texts about chemical compound identifiers and creates associations with physical–chemical properties and biological activities.
O. A. Tarasova +4 more
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Miniaturised element frequency selective surface design for high power microwave applications
A third‐order miniaturised element frequency selective surface (MEFSS) for high‐power microwave (HPM) systems is proposed. The MEFSS design is characterised by the excellent capability to handle high‐power waves and the stable frequency response at large
Kai Wu +4 more
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Research Overview for Door Tests of Civil Airplane
The door is an important part of the aircraft structure.The door test is an important means to verify that the door design meets the requirements of reliability,safety and airworthiness.There are design verification tests and certification tests for ...
GAN Yadong, YAO Xionghua, LIU Wanchun
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Current-injected photovoltaic array for concentrated space solar power station
In this article, the power generation of a concentrated space solar power station (SSPS) is enhanced by current-injected total-cross-tied (TCT-CI) photovoltaic (PV) array.
Xintong Li +6 more
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Design and Optimization of a Micron-Scale Magnetoelectric Antenna Based on Acoustic Excitation
The development of antenna miniaturization technology is limited by the principle of electromagnetic radiation. In this paper, the structure size of the antenna is reduced by nearly two orders of magnitude by using Acoustic excitation instead of ...
Na Li +4 more
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Novel monomer, N, N’-bis(acryloyl) cystinamide (NBACA), was designed and synthesized with L-cystine as row material. By using this NBACA both as the monomer and crosslinker, reduction-sensitive nanohydrogel was prepared in ethanol via distillation ...
Linna Yu +6 more
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Review on building life cycle assessment from the perspective of structural design
The resource-related, environmental and ecological problems raised by building construction activities have drawn a wide range of concerns among researches, especially in China. Those problems have become prominent.
Zai Wang, Ying Liu, Shizhao Shen
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