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Yanyu Wei
Researcher at University of Electronic Science and Technology of China
Publications - 362
Citations - 2408
Yanyu Wei is an academic researcher from University of Electronic Science and Technology of China. The author has contributed to research in topics: Traveling-wave tube & Terahertz radiation. The author has an hindex of 20, co-authored 309 publications receiving 1831 citations. Previous affiliations of Yanyu Wei include Chinese Ministry of Education.
Papers
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Journal ArticleDOI
Attempt on Applying Semi-Metallic Supporting Rods to a Wideband Ka-Band Helix TWT
Lingna Yue,K. Chen,Xiao-Wei Hu,Shengzhe Lv,Shirong Wang,Guoqing Zhao,Baorong Qiu,Li Huang,Huaying Gao,Deng Yang,Jin Xu,Wenxiang Wang,Hairong Yin,Bao-Quan Sun,Bao-Liang Hao,Yanyu Wei +15 more
TL;DR: In this article , a helix traveling-wave tube (TWT) with semi-metallic rods operating at 26.5-40 GHz was proposed to provide widebandwidth interaction with a compact structure, low gain fluctuation, adequate output power, and electronic efficiency.
Proceedings ArticleDOI
Parametric design of folded waveguide for a 60GHz high efficient traveling-wave tubes
TL;DR: In this article, a folded waveguide (FW) is designed for 60GHz central frequency traveling-wave tubes (TWTs) at millimeter and sub-millimeter wave range, and the optimized structural parameters for the FW circuit with high interaction impedance, low cold-test attenuation and fairly flat phase velocity dispersion are obtained.
Proceedings ArticleDOI
Design and Cold Test of a Ka-band Fan-Shaped Metal Loaded Helix Traveling Wave Tube
Li Yixin,Lingna Yue,Baorong Qiu,Huaying Gao,Shirong Wang,Guoqing Zhao,Jin Xu,Hairong Yin,Zhaoyun Duan,Mingzhi Huang,Yubin Gong,Wenxiang Wang,Yanyu Wei +12 more
TL;DR: In this paper, a fan-shaped metal loaded helix traveling wave tube working at the Ka-band was described, which has gain of 37.3-48.7dB, electronic efficiency of 15.18-19.42% and output power is greater than 286W when it works at a voltage of 9KV and a current of 210mA.
Journal ArticleDOI
Simplified approach to the nonlinear analysis in helix slow-wave-structure for a traveling wave tube
TL;DR: In this article, a stationary 1-D nonlinear code based on Lagrangian disk model is developed on the basis of a simple set of analytical expressions to study nonlinear dynamics in the helix slow-wave structure used in a traveling wave tube.
Journal ArticleDOI
Investigation of the Dielectric-Loaded, Ridged Helical Groove Slow-Wave System for the Millimeter Wave TWT
TL;DR: In this paper, a dielectric-loaded, ridged helical groove slow-wave structure for the millimeter wave traveling wave tube is presented, and the effects of the groove depth, ridge dimensions and the Dielectric permitivety on the wave propagating properties and the interaction impedance are investigated in detail.