Zobrazeno 1 - 10
of 427
pro vyhledávání: '"Transmitted power"'
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 90, Iss 931, Pp 23-00255-23-00255 (2024)
This paper addresses a method for devising an undamped periodic structure that suppresses energy propagation due to a specific wave mode based on the Wave and Finite Element (WFE) method. Then, structural modifications to reduce the active transmitte
Externí odkaz:
https://doaj.org/article/6d181ceba0c045f3aad60bc6f3bf43dd
Publikováno v:
Engineering and Technology Journal, Vol 41, Iss 2, Pp 456-466 (2023)
Several scientists have proposed using an underwater wireless optical communication system (UWOC) to deliver high-speed data services using the abundant optical spectrum. However, wireless optical signal propagation faces an antagonistic environment
Externí odkaz:
https://doaj.org/article/4706534e632649ef94ffef5a4dee1dc6
Publikováno v:
IEEE Access, Vol 11, Pp 21554-21561 (2023)
The main goal of this work is to mitigate the cost of modified EHV line of the Egyptian transmission network. The existing HVAC line is replaced by four configurations, the first one is double circuit operating with an AC potential and bipolar DC cir
Externí odkaz:
https://doaj.org/article/6a92c1e7e11241b58c1d664a00c7c738
Publikováno v:
Актуальные вопросы пожарной безопасности, Vol 12, Iss 2, Pp 33-40 (2022)
The article considers the issues of possible using tethered telecommunication platforms on the base of unmanned aerial vehicles (UAV) for signal retranslation of ground robotic complexes (RTC) control when performing emergency rescue operations in em
Externí odkaz:
https://doaj.org/article/c17761a1473b474dbe68a4f73a43f946
Autor:
Likang Wang, Rui Huo
Publikováno v:
Inventions, Vol 8, Iss 5, p 118 (2023)
The low-frequency vibro-acoustic characteristics of a mechanical equipment—floating raft—cylindrical shell—underwater acoustic field coupled system with nonlinear supports are studied in this paper. Firstly, the state space equations were estab
Externí odkaz:
https://doaj.org/article/a9339efa2e924166b5c85e693751a1bf
Publikováno v:
Journal of Sustainable Energy, Vol 11, Iss 2, Pp 77-84 (2020)
The exact method of transient and steady-state calculating processes in multi-wire lines without losses under arbitrary initial and limited conditions is described. As examples, the results of calculations of the throughput of three-phase lines with
Externí odkaz:
https://doaj.org/article/8485d7f343554b1b86f23a563e0a67e1
Autor:
Fahri Vatansever
Publikováno v:
Uludağ University Journal of The Faculty of Engineering, Vol 25, Iss 2, Pp 679-692 (2020)
Sistemler için birçok güç tanımlamaları yapılmıştır. Farklı güç tanımlamaları ve bileşenlerinin doğru bir şekilde hesaplanması ve ölçülmesi son derece önemlidir. Bu amaçla çok sayıda yöntemler ve teknikler geliştirilmişti
Externí odkaz:
https://doaj.org/article/4efad95b5c3949bb8bdf25448a602e7f
Publikováno v:
IEEE Access, Vol 8, Pp 148214-148225 (2020)
User equipment (UE) is required to comply with the relevant radio frequency (RF) electromagnetic field (EMF) exposure limits, which are of relevance to establish the maximum permissible transmitted power and the maximum equivalent isotropically radia
Externí odkaz:
https://doaj.org/article/1584cf53cdcd441a84d0c7befc9e72e9
Autor:
Ae-Kyoung Lee, Hyung-Do Choi
Publikováno v:
IEEE Access, Vol 8, Pp 163176-163185 (2020)
The aim of this paper is to present the measurement results of the transmitted (Tx) power levels of mobile phones in currently operating wireless communication networks in Seoul in 2015 and 2017 and the calculation results of the specific absorption
Externí odkaz:
https://doaj.org/article/17e3ba72eb8d499cbc964b99fc79824e
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