Results 11 to 20 of about 1,983,376 (193)
IEEE Access, 2020 The dynamic and static hysteresis properties as well as loss properties of grain oriented (GO) silicon steel sheet are measured under the AC-DC hybrid excitation containing both DC bias and harmonic components.
Xiaojun Zhao +4 more
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Variable-speed rotor helicopters: Performance comparison between continuously variable and fixed-ratio transmissions [PDF]
, 2016 Variable speed rotor studies represent a promising research field for rotorcraft performance improvement and fuel consumption reduction. The problems related to employing a main rotor variable speed are numerous and require an interdisciplinary approach.
Benini, Ernesto +1 more
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General design of multiway multisection power dividers by interconnecting two-way dividers [PDF]
, 2007 It is common practice to design multiway power dividers by interconnecting two-way power dividers. Transmission lines are used to link the two-way dividers.
Lancaster, MJ, Morris, KA, Zhou, J
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Machines, 2023 In the short/vertical take-off and landing aircraft propulsion system, the vertical take-off/landing and rapid flight are switched through the engagement and disconnection of the dry friction clutch. The smooth and rapid connection of the friction clutch
Chu Zhu +3 more
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Shock and Vibration, 2021 Rolling bearings are important parts of mechanical equipment. However, the early failures of the bearing are usually masked by heavy noise. This brings about difficulties to the extraction of its fault features.
Shaoning Tian +5 more
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Energy Reports, 2021 With electric vehicles (EVs) being widely accepted as a clean technology to solve carbon emissions in modern transportation, lithium-ion batteries (LIBs) have emerged as the dominant energy storage medium in EVs due to their superior properties, like ...
Zuolu Wang +4 more
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Study on Data Transmission Mechanism of Triangular Monopole Antenna in Water Injection Pipe
Shiyou jixie, 2021 To address the problems of low transmission efficiency of downhole data monitoring systems, difficulty in transmitting large amounts of data, and inability to upload data when the well is shut in, a downhole wireless short transmission device is designed.
Jiang Hao +4 more
doaj
The Journal of Engineering, 2018 A highly efficient integrated transmission unit – external generating wave movable teeth transmission − was proposed and two kinds of typical transmission types were researched.
Yali Yi, Yunfei Gao, Rui Wei, Herong Jin
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Experimental Demonstration of Dual Polarization Nonlinear Frequency Division Multiplexed Optical Transmission System [PDF]
, 2017 Multi-eigenvalues transmission with information encoded simultaneously in both orthogonal polarizations is experimentally demonstrated. Performance below the HD-FEC limit is demonstrated for 8-bits/symbol 1-GBd signals after transmission up to 207 km of ...
Da Ros, Francesco +4 more
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A GA-based simulation system for WMNs: performance analysis for different WMN architectures considering transmission rate and OLRS protocol [PDF]
, 2016 (c) 2016 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works for resale or ...
Barolli, Admir +5 more
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