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of 1 139
pro vyhledávání: '"Propagation Loss"'
Autor:
Federico Melli, Fabio Giovanardi, Kostiantyn Vasko, Lorenzo Rosa, Fetah Benabid, Luca Vincetti
Publikováno v:
Results in Optics, Vol 16, Iss , Pp 100726- (2024)
The effect on confinement loss of thickness variations along the perimeter of the tubes composing the cladding of inhibited-coupling guiding Tube Lattice hollow-core fibers is investigated by using the Azimuthal Fourier Decomposition technique (devel
Externí odkaz:
https://doaj.org/article/dffd3b8ecede46dc8a80f515e5abf0b0
Publikováno v:
Results in Optics, Vol 15, Iss , Pp 100657- (2024)
This is the first part of two papers where we propose and apply a methodology for confinement loss analysis in tube lattice fibers (TLFs). The methodology is based on azimuthal Fourier decomposition (AFD) of the fiber’s cladding and core modes alon
Externí odkaz:
https://doaj.org/article/97e5ef4f467e4925aa16ca54c8459a6c
Autor:
Hanjie Ji, Lixin Guo, Jinpeng Zhang, Yiwen Wei, Xiangming Guo, Yusheng Zhang, Tianhang Nie, Jie Feng
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 17, Pp 10067-10082 (2024)
The evaporation duct is a prevalent atmospheric structure in the marine lower troposphere with significant regional nonuniformity. This structure can trap radio waves inside its layer and enable them to propagate over the horizon with less loss. Ther
Externí odkaz:
https://doaj.org/article/e28a1d336afb4dc49e51c25163e8c4bd
Autor:
Mike O. Ojo, Irene Viola, Silvia Miretti, Eugenio Martignani, Stefano Giordano, Mario Baratta
Publikováno v:
Sensors, Vol 24, Iss 10, p 2991 (2024)
The agricultural sector is amidst an industrial revolution driven by the integration of sensing, communication, and artificial intelligence (AI). Within this context, the internet of things (IoT) takes center stage, particularly in facilitating remot
Externí odkaz:
https://doaj.org/article/b15589fe63054948892c3c05d0c89b06
Publikováno v:
Polish Maritime Research, Vol 30, Iss 1, Pp 126-134 (2023)
The development of IoT (the Internet of Things) wireless transmission opens a new era in communication systems. In the next years, the development and implementation of IoT systems will be very dynamic. It can be seen that the solutions of LTE – NB
Externí odkaz:
https://doaj.org/article/f6469b1849074185bba6ead35b24c72d
Publikováno v:
IEEE Access, Vol 11, Pp 138108-138121 (2023)
As a typical application of intelligent transportation systems (ITS), the electronic toll collection (ETC) system has been widely used on highways due to its excellent toll efficiency. In the actual traffic environment, there usually exists more than
Externí odkaz:
https://doaj.org/article/71b3124eda1846b2a7ff401afe684e5d
Publikováno v:
Nanophotonics, Vol 12, Iss 3, Pp 531-538 (2023)
An on-chip quantum light source based on spontaneous four-wave mixing is an essential element for developing quantum photonic integrated circuit technology, which has the advantage of no connection loss owing to the integration of the source into pho
Externí odkaz:
https://doaj.org/article/83d69cab3e5f41f19bd701411ebd080c
Akademický článek
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Akademický článek
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Publikováno v:
Dianxin kexue, Vol 38, Pp 54-64 (2022)
To solve the problem of small coverage area and discontinuous coverage of large fixed-wing aerospace emergency base stations, a design scheme for continuous coverage of UAV emergency base stations was proposed.Based on the analysis of the coverage ca
Externí odkaz:
https://doaj.org/article/e67138ea9f97443aaa898309b5ee9f64