Zobrazeno 1 - 10
of 130 392
pro vyhledávání: '"Directivity."'
This research investigates how the number of elements affects the monopole antenna's planar array's directivity. This study also takes into account the antenna's effect on the whole field it radiates. The monopole antennas are arranged in a planar co
Externí odkaz:
http://arxiv.org/abs/2409.18657
Autor:
Wechsler, Julian, Chetupalli, Srikanth Raj, Halimeh, Mhd Modar, Thiergart, Oliver, Habets, Emanuël A. P.
Capturing audio signals with specific directivity patterns is essential in speech communication. This study presents a deep neural network (DNN)-based approach to directional filtering, alleviating the need for explicit signal models. More specifical
Externí odkaz:
http://arxiv.org/abs/2409.13502
The growing demand for ultra-fast telecommunications, autonomous driving, and futuristic technologies highlights the crucial role of active beam steering at the nanoscale. This is essential for applications like LiDAR, beam-forming, and holographic d
Externí odkaz:
http://arxiv.org/abs/2410.00806
Publikováno v:
Iranian Journal of Geophysics (IJG). 2024, Vol. 18 Issue 2, Following p107-122. 17p.
Autor:
Moazen Dehkordi, Shiva1 (AUTHOR), Mohammadi, Hamidreza1,2 (AUTHOR) h.r.mhmdi@gmail.com
Publikováno v:
Scientific Reports. 7/26/2024, Vol. 14 Issue 1, p1-8. 8p.
Autor:
Aleksiewicz-Drab, Emil1,2 (AUTHOR) aleksandra.ziaja@agh.edu.pl, Ziaja-Sujdak, Aleksandra2 (AUTHOR) rafal.radecki@agh.edu.pl, Radecki, Rafał2 (AUTHOR), Staszewski, Wiesław J.2 (AUTHOR) w.j.staszewskil@agh.edu.pl
Publikováno v:
Sensors (14248220). Jun2024, Vol. 24 Issue 11, p3462. 19p.
Autor:
Pfeiffer, Carl, Wu, Bae-Ian
The Chu circuit model provides the basis for analyzing the minimum radiation quality factor, Q, of a given spherical mode. However, examples of electrically large spherical radiators readily demonstrate that this Q limit has limitations in predicting
Externí odkaz:
http://arxiv.org/abs/2408.07085
Autor:
Luo, Yuancheng
Loudspeaker array beamforming is a common signal processing technique for acoustic directivity control and robust audio reproduction. Unlike their microphone counterpart, loudspeaker constraints are often heterogeneous due to arrayed transducers with
Externí odkaz:
http://arxiv.org/abs/2407.01860
Manipulating underwater pressure waves is crucial for marine exploration, as electromagnetic signals are strongly absorbed in water. However, the multi-path phenomenon complicates the accurate capture of acoustic waves by receivers. Although graded i
Externí odkaz:
http://arxiv.org/abs/2406.17400
Autor:
Said Mikki
Publikováno v:
Electromagnetic Science, Vol 2, Iss 3, Pp 1-19 (2024)
We explore the spatial directivity of radiating quantum source systems, which are defined as any generic source capable of producing photon emission and directing it to specific regions in space. We present a comprehensive definition of quantum direc
Externí odkaz:
https://doaj.org/article/dd0e65a5ed324d8387898476645860a2