Zobrazeno 1 - 10
of 1 742
pro vyhledávání: '"transmission line model"'
Autor:
Song Jin, JunHwa Kwon, Jong Min Lee, Ye‐Rim Kim, Justin Georg Albers, Young‐Woo Choi, Sung Mook Choi, KwangSup Eom, Min Ho Seo
Publikováno v:
Advanced Science, Vol 11, Iss 45, Pp n/a-n/a (2024)
Abstract Carbon corrosion poses a significant challenge in polymer electrolyte membrane fuel cells (PEMFCs), leading to reduced cell performance due to catalyst layer degradation and catalyst detachment from electrodes. A promising approach to addres
Externí odkaz:
https://doaj.org/article/36c23a9175f84bd89a44ce6391ad36e5
Autor:
Huang, Lei a, Zhang, Xuexia a, b, c, ⁎, Jiang, Yu a, Tang, Shuangxi a, Liao, Hongbo a, Huang, Ruike a, Dong, Sidi a
Publikováno v:
In Energy Conversion and Management 1 February 2025 325
Publikováno v:
IEEE Open Journal of Antennas and Propagation, Vol 5, Iss 4, Pp 933-941 (2024)
This article presents the synthesis and design of 3-D microwave absorber with 70° angular stability for C-band and X-band. The operating principle is firstly investigated, where the absorber is considered as an energy convertor. With the help of our
Externí odkaz:
https://doaj.org/article/646f68afcc514a76909e53c185f3b4cc
Publikováno v:
IEEE Access, Vol 12, Pp 96404-96410 (2024)
In this paper, transmission-line theory is applied to implement a physical model for compact one-turn inductors, which simultaneously incorporates the frequency-dependent effects introduced by the conductor skin effect and the loss originated by the
Externí odkaz:
https://doaj.org/article/8116d6bbc48041459689947268734dbf
Publikováno v:
Atmosphere, Vol 15, Iss 11, p 1265 (2024)
An engineering model to represent positive return strokes is introduced as an extension of the Modified Transmission Line model with Linear Current Decay (MTLL). This extension is grounded in experimental data on the electric fields and currents asso
Externí odkaz:
https://doaj.org/article/1c4ff63bda7a4763be39c5669614d504
Publikováno v:
Micro and Nano Engineering, Vol 23, Iss , Pp 100262- (2024)
Plasmonic metamaterial absorbers (PMAs) designed for multispectral imaging in the infrared (IR) with uncooled microbolometers are investigated. The study presents Fourier transform infrared spectroscopy (FTIR) measurements of PMAs consisting of metal
Externí odkaz:
https://doaj.org/article/7699208b86714f63b7c1e6aa888f3b16
Publikováno v:
Journal of Modern Power Systems and Clean Energy, Vol 11, Iss 4, Pp 1305-1315 (2023)
In the voltage source converter based high-voltage direct current (VSC-HVDC) grids, fast and reliable protections are the key technologies. The traditional protection schemes are easily affected by fault resistance, line distributed capacitance, etc.
Externí odkaz:
https://doaj.org/article/31af4b7beacc4223aa5eb92016db08f8
Autor:
Hossein Malekpoor, Mehdi Hamidkhani
Publikováno v:
IEEE Access, Vol 11, Pp 59164-59173 (2023)
A low-profile broadband $2\times 2$ printed slot array with V-shaped slots by loading broadband artificial magnetic conductor (AMC) is demonstrated. A proposed wideband printed array with tapered V-shaped slots with the feeding of coplanar-waveguide
Externí odkaz:
https://doaj.org/article/a1e7d353df9f4016ada647146db30fc0
Autor:
Tian-Xi Feng, Lei Zhu
Publikováno v:
IEEE Open Journal of Antennas and Propagation, Vol 4, Pp 303-311 (2023)
This article proposes a class of ultra-wideband 3-D microwave absorbers with composite slotlines and microstrip lines from synthetic design to practical implementation. Firstly, the general equivalent transmission line (TL) model of the proposed 3-D
Externí odkaz:
https://doaj.org/article/cfcb928b265244b68723f33992da2939
Publikováno v:
Hangkong gongcheng jinzhan, Vol 13, Iss 5, Pp 179-186 (2022)
Airborne GJB289A bus is used to realize the physical connection between various avionics equipment,and its reliability directly affects the normal operation of aircraft avionics system.In order to analyze the typical electrical fault characteristics
Externí odkaz:
https://doaj.org/article/663dc10e14ea4efaae3fa2651619a61d