Search Results - "Deng, Wenkai"

Tensile properties of three newly developed Ni-base powder metallurgy superalloys by Tan, Liming, Li, Yunping, Deng, Wenkai, Liu, Yong, Liu, Feng, Nie, Yan, Jiang, Liang

“…Three Ni-base powder metallurgy superalloys have been developed recently, and tensile tests at temperatures ranging from room temperature (RT) to 815 °C were…”
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The Flavor Characteristics and Metabolites of Three Commercial Dried Jujube Cultivars by Jia, Yuyao, Wang, Chao, Zhang, Ying, Deng, Wenkai, Ma, Yicai, Ma, Juanfang, Han, Gang

“…To understand the flavor and metabolite differences between the three commercial dried jujube cultivars (HZ), (HMZ), and (QYX), their soluble sugars, organic…”
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Isothermal and thermomechanical fatigue behavior of Inconel 718 superalloy by Deng, Wenkai, Xu, Jinghao, Hu, Yunming, Huang, Zaiwang, Jiang, Liang

“…The fatigue behavior and damage mechanisms of Inconel 718 are investigated and discussed under thermomechanical fatigue (TMF) and isothermal fatigue (IF) test…”
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An novel immune genetic algorithm and its application in WWTP by Yuge Xu, Yulin Jiang, Wenkai Deng

“…This paper proposes a novel immune genetic algorithm to increase the performances in the complex optimization problems. Rough search and local normal search…”
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A Design Method of Broadband Off-Axis Focusing Metasurfaces by Zhu, Shilong, Gao, Luanfeng, Hu, Yulu, Li, Bin, Deng, Wenkai

“…This paper proposes a method, which is based on the generalized Snell's law and the Pancharatnam-Berry (PB) phase theory, for the design of broadband off-axis…”
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Design of A High Efficiency Wide-Band 200W for Ku-Band Space TWT by Shang, Xinwen, Deng, Wenkai, Li, Jianwei, Li, Yanwei, Yi, Hongxia, Xiao, Liu

“…A Wide-band Ku-band helix space travelling wave tube is designed in this paper. It is achieved by using the two-anode electron gun, the helix with pitch…”
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A Design Method for Interaction Circuit of High Efficiency Helix TWTs by Deng, Wenkai, Shang, Xinwen, Xiao, Liu, Hu, Yulu, Jin, Xiaolin, Gong, Dapeng, Yang, Zhonghai, Huang, Tao

“…In this paper, a design method for the interaction circuit of high efficiency helix traveling-wave tubes (TWTs) is presented. By observing the change of field…”
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A Method for Detecting High Energy Density Electron Beams in Traveling Wave Tubes by Shi, WanLi, Hu, YuLu, Deng, WenKai, Yang, YuFan, Gao, LuanFeng, Li, Bin

“…As the most widely used microwave vacuum electronic devices, the high performance of traveling wave tube is not only needed to be improved in design, but also…”
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Study on Spindle Waveguide SWS for Sheet Beam by Gao, Luanfeng, Hu, YuLu, Deng, Wenkai, Tan, Zheng, Zhu, Xiaofang, Hu, Quan, Li, Bin

“…A novel spindle waveguide SWS suitable for sheet beam is proposed. By optimizing the spindle waveguide SWS, the working bandwidth is increased. And then, the…”
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A Data Mining Based System For Transaction Fraud Detection by Deng, Wenkai, Huang, Ziming, Zhang, Jiachen, Xu, Junyan

“…With the deepening of world trade informationization degree, transaction fraud has been endangering the security of world finance and commerce. The frequency…”
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Data Feedback and Recalculation Analysis for the Helix of Space TWT by Wei, Xiaochen, Hu, Yulu, Wang, Yuan, Deng, Wenkai, Gong, Dapeng, Huang, Tao

“…In view of the difficulty of quality determination for Space traveling wave tube's helix, this article introduces a pitch data feedback tool, which enable…”
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Design of a High Efficiency Miniaturized W-band Pulsed Traveling-Wave Tube by Shang, Xinwen, Deng, Wenkai, Yi, Hongxia, Cui, Xiaodong, Wang, Zicheng, Zhao, Jiandong, Xiao, Liu, Ma, Jing, Jin, Feng, Li, Fei

“…In this paper, a high efficiency miniaturized pulsed traveling-wave tube (TWT) at W-band is designed by using the folded waveguide as the slow-wave structure…”
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Design of a Ku-band Traveling-Wave Tube Based on Optimization Design Tool by Deng, Wenkai, Xiao, Liu, Shang, Xinwen, HU, Yulu, Li, Gubin, Wang, Xiaobing, Zhu, Shilong, Gao, Luanfeng, Yang, Zhonghai, Li, Bin, Huang, Tao

“…In this paper, the pitch profile of a traveling-wave tube (TWT) at Ku-band is designed by using the multiobjective optimization design tool. The simulation…”
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Caculation of The floating potential of the TWT electron gun in EOS by Wang, Xiaobing, Hu, Quan, Zhu, Xiaofang, Deng, Wenkai, Zhu, Shilong, Gao, Luanfeng, Hu, YuLu, Huang, Tao, Li, Bin, Yang, Zhonghai

“…EOS(electron optical simulator) is a three- dimensional steady-state particle trajectory code for finite elements that can be calculated electron guns and…”
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Optimization Method of High Efficiency Collector Based on Energy Distribution Measurement by Wang, Xiaobing, Shang, Xinwen, Hu, Quan, Deng, Wenkai, Zhu, Shilong, Zhu, Xiaofang, Hu, Yulu, Huang, Tao, Li, Bin, Yang, Zhonghai

“…The high efficiency multistage depressed collector (MDC) of traveling wave tube (TWT) can improve the energy recovery efficiency and improve the reliability of…”
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Group Delay Distortion Optimization for a L-band Helix TWT with a Positive-Tapered Pitch Segment by Deng, Wenkai, Hu, Yulu, Hu, Quan, Zhu, Xiaofang, Li, Bin

“…Group delay is an important parameter to evaluate the performance of space traveling wave tubes. In this paper, a positive-tapered pitch profile is introduced…”
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Design of a 250W Ku-Band High Efficiency Space TWT by Deng, Wenkai, Shang, Xinwen, Hu, YuLu, Wang, Xiaobing, Zhu, Shilong, Hu, Quan, Zhu, Xiaofang, Gao, Luanfeng, Huang, Tao, Li, Bin, Yang, Zhonghai

“…A Ku-band helix space traveling wave tube is designed in this paper. The output power, gain, and electronic efficiency are guaranteed by using pitch gradient…”
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An Accurate Measure Method of Loss Power for Space TWT by Peng, Weifeng, Wang, Xiaobing, Deng, Wenkai, Zhu, Shilong, Gao, Luanfeng, Hu, Yulu, Hu, Quan, Gu, Xiaoliang, Lu, Qiru, Zhu, Xiaofang

“…An accurate measuring method of loss power for RF circuit and collector for space TWT is proposed in this paper, which based on the measurement of energy…”
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A Novel Feeback Circuit of Beam-Wave Interaction for THz Amplifier by Gao, Luanfeng, Hu, Yulu, Hu, Quan, Zhu, Xiaofang, Li, Jianqing, Li, Bin, Huang, Tao, Deng, Wenkai, Wang, Xiaobing

“…This paper describes the working and dispersion synchronization condition of the novel beam-wave interaction to develop a watts-level, tunable THz amplifier,…”
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