Zobrazeno 1 - 10
of 418
pro vyhledávání: '"four port"'
Publikováno v:
Journal of Cardiothoracic Surgery, Vol 19, Iss 1, Pp 1-11 (2024)
Abstract Background At present, research comparing the short-term postoperative outcomes of anatomical resection in lung cancer under different ports of da Vinci robot-assisted surgery is insufficient. This report aimed to compare the outcomes of thr
Externí odkaz:
https://doaj.org/article/1a551baa48a943c69032f4c0c0c178f5
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-14 (2024)
Abstract This paper presents a family of four-port electronic circulators adhering to a new topology symmetry that enables linear, low-loss transistor-based circuit implementations. The underlying principle of operation employs a property of the $$90
Externí odkaz:
https://doaj.org/article/4a6a0ed2a0fc496096c96a5f0d3fa1e6
Autor:
Zeeshan Shoukat, Muhammad Saeed Awan, Talha Makshoof, Mujahid Zulfiqar, Sohail Ilyas, Muhammad Zubair
Publikováno v:
Pakistan Armed Forces Medical Journal, Vol 74, Iss 2 (2024)
Objective: To compare the complications among patients undergoing three-port versus four-port laparoscopic cholecystectomy at our tertiary care hospital. Study Design: Comparative cross-sectional study. Place and Duration of Study: Department of
Externí odkaz:
https://doaj.org/article/9653471ef12c494fb108b17620046f4e
Autor:
Yongchun Liang, Shuo Lin
Publikováno v:
Energy Reports, Vol 9, Iss , Pp 271-278 (2023)
Existing electric vehicles are mainly powered by batteries, which have short driving miles, inconvenient charging, still a large proportion of charging electricity from fossil-fuel power plant, and still not solving the pollution problem from the sou
Externí odkaz:
https://doaj.org/article/63e309075bcb4dd8aa9db27de8eea05e
Publikováno v:
IEEE Access, Vol 11, Pp 52050-52065 (2023)
This paper presents a novel high-gain non-isolated Four Port DC-DC converter (FPC) topology for hybrid energy applications. The proposed four-port dc-dc converter interfaces four power ports of three input ports and one output port. High output volta
Externí odkaz:
https://doaj.org/article/9b179e18ca534706b02c74329c4a9bf0
Akademický článek
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Autor:
Hao Bai
Publikováno v:
Energy Reports, Vol 8, Iss , Pp 472-479 (2022)
The soft open point (SOP) replaces the traditional feeder switch based on controllable electronic converter, it provides real-time and accurate active and reactive power flow control. To address the optimization effects of SOP on the operating effici
Externí odkaz:
https://doaj.org/article/4fca83d64e2e40589735aa713bf9102f
Publikováno v:
IEEE Open Journal of Power Electronics, Vol 3, Pp 705-722 (2022)
A recently introduced Dual Three-Phase Active Bridge Converter (D3ABC) provides two three-phase ac ports (ac${}_{1}$ and ac${}_{2}$), two dc ports (dc${}_{1}$ and dc${}_{2}$), and galvanic isolation between the ports ac${}_{1}$, dc${}_{1}$ (primary s
Externí odkaz:
https://doaj.org/article/c5a901bc7d9c43f4a455401e5467d606
Publikováno v:
IEEE Access, Vol 10, Pp 9232-9240 (2022)
A wideband four-port single-patch antenna for fifth-generation (5G) MIMO access-point application in 3.3-5.0 GHz (41% centered at 4.15 GHz) is presented. The antenna uses a simple square patch of size 42 mm $\times$ 42 mm ( $0.58 \boldsymbol {\lambda
Externí odkaz:
https://doaj.org/article/2b7d713802b1482686f216be65c69a9e
Publikováno v:
IEEE Access, Vol 10, Pp 81296-81308 (2022)
Based on applying the hybrid metal walls and half-wavelength diagonal open-slots, a four-port square patch antenna (SPA) having high port isolation (>20 dB) and low radiation correlation (envelope correlation coefficients < 0.01) for 2.4/5/6 GHz (2.4
Externí odkaz:
https://doaj.org/article/6d44df9d657343eaa9909fc0357a27f8