Zobrazeno 1 - 10
of 271
pro vyhledávání: '"Chi Feng Chen"'
Publikováno v:
IEEE Access, Vol 12, Pp 13502-13512 (2024)
This paper presents a novel design method for multifunctional filtering diplexers integrated with single-pole double-throw switches having three operating modes: Modes 1–3. Modes 1 and 2 involve the operation of switchable filters with different fr
Externí odkaz:
https://doaj.org/article/c64f4084edf84dfd882a7169498020d4
Publikováno v:
IEEE Access, Vol 11, Pp 141127-141136 (2023)
In this paper, a multifunctional microwave balun filter and balun diplexer design method is introduced. Through the proposed novel coupling structure and the use of miniaturized grid resonators, not only can the overall circuit area be reduced, but a
Externí odkaz:
https://doaj.org/article/f7ef761983124ffca2ef48a4d57ecddd
Publikováno v:
Water Science and Technology, Vol 86, Iss 9, Pp 2288-2302 (2022)
Night markets are attractive tourist sites in Asian cities. However, the outdoor activities produce different types of pollutants. Air pollution and solid waste in night markets have received much attention, but wastewater pollution from night market
Externí odkaz:
https://doaj.org/article/255b21f971de4f768e1a90702d637486
Publikováno v:
IEEE Access, Vol 10, Pp 65562-65571 (2022)
This study proposed a novel methodology for designing bandpass multiplexer-integrated power dividers (PDs) that provide frequency division, frequency selection, and power division. New coupling schemes for the multiplexer-integrated PDs were presente
Externí odkaz:
https://doaj.org/article/7b9b1266ca614652ba4fe37ae1a59670
Publikováno v:
Electronics Letters, Vol 58, Iss 1, Pp 19-21 (2022)
Abstract A new bandpass filter (BPF) with two switchable operating passbands has been proposed. The BPF topology is formed by switchable resonators and stepped‐impedance resonators. The two operating bands can be switched on and off independently.
Externí odkaz:
https://doaj.org/article/91da4f79b093492a9af790e08ba183e2
Autor:
Chi-Feng Chen, Kai-Wei Zhou, Ruei-Yi Chen, Hsin-Ya Tseng, Yi-Hua He, Wen-Jie Li, Jun-Hong Weng
Publikováno v:
IEEE Access, Vol 9, Pp 53232-53242 (2021)
In this study, a novel circuit model was proposed for the design of multifunction integrated diplexers with frequency division, frequency selection, and power division functions. The proposed highly integrated multifunctional diplexer mainly comprise
Externí odkaz:
https://doaj.org/article/25033e6773a1472fbed65c771606452f
Autor:
Chi-Feng Chen, Kai-Wei Zhou, Ruei-Yi Chen, Hsin-Ya Tseng, Yi-Hua He, Wen-Jie Li, Wei-Cheng Jiang
Publikováno v:
IEEE Journal of Microwaves, Vol 1, Iss 3, Pp 804-809 (2021)
A compact quadruplexer with the functions of frequency division, frequency selection, and power splitting/combining is presented in this article. Four tri-mode stub-loaded resonators were adopted to construct the compact multifunctional quadruplexer
Externí odkaz:
https://doaj.org/article/92b75f245e584b85ae4a5325c9133c2f
Autor:
Chi-Feng Chen
Publikováno v:
IEEE Access, Vol 8, Pp 66438-66447 (2020)
In this study, a new method and structure are proposed to design of a switchable and fully tunable microstrip bandpass filter (BPF). The central frequency and bandwidth (or the resonance frequency of the resonators, coupling coefficient between reson
Externí odkaz:
https://doaj.org/article/a5789cbb3a7e48b7bd76230974d76519
Publikováno v:
Inland Waters. :1-35
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::804fa49eaf90dd58de9cdad05b0c5362
https://doi.org/10.1080/20442041.2023.2218983
https://doi.org/10.1080/20442041.2023.2218983
Publikováno v:
Land, Vol 11, Iss 6, p 951 (2022)
Low-impact development (LID) structures are widely used to mitigate urbanization impacts on hydrology. The performances of such structures are strongly affected by field conditions, such as the ratio of LID area to drainage area and rainfall properti
Externí odkaz:
https://doaj.org/article/78dcc868de7440f2b9a8b4376f53bcb1