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J. Cent. South Univ. (2018) 25: 2451-2461 DOI: https://doi.org/10.1007/s11771-018-3928-z A K-means clustering based blind multiband spectrum sensing algorithm for cognitive radio LEI Ke-jun(雷可君)1... Germany, part of Springer Nature 2018 Abstract: In this paper, a blind multiband spectrum sensing (BMSS) method requiring no knowledge of noise power, primary signal and wireless channel is proposed......
Optimization of sensing time and cooperative user allocation for or-rule cooperative spectrum sensing in cognitive radio networkLIU Xin(刘鑫), ZHONG Wei-zhi(仲伟志), CHEN Kun-qi(陈琨奇) (College of Astronautics, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China)Abstract:In order to improve the throughput of cognitive radio (CR), optimization of sensing time and cooperative user......
Visual sensing of weld pool in variable polarity TIG welding of aluminium alloy ZHANG Guang-jun(张广军), YAN Zhi-hong(闫志鸿), WU Lin(吴 林) State Key Laboratory of AWPT, Harbin Institute of Technology...; Abstract: The passive visual sensing method was successfully applied to monitor the weld pool in TIG welding of aluminium alloy......
Ionic liquids for electrochemical energy storage devices applicationsHuan Liu,Haijun YuCollege of Materials Science & Engineering,Key Laboratory of Advanced Functional Materials,Ministry of Education... for several energy applications, especially for clean and sustainable energy storage and conversion materials and devices. Ionic liquids exhibit high thermal and electrochemical stability coupled......
in miniaturized magnetostrictive devices. The films were fabricated on different substrates to compare their different magnetic and structural properties. It showed much more magnetostriction and higher impact......
Preparation and Properties of Sensing Membrane for Fiber OpticOxygen Sensor姜德生摘 要:Four sensing membranes based on fluorescence quenching were prepared... relationship in large scale with tan0/tanfor all of the sensing membranes. They have super properties such as excellent limit of detection ,fast response time and good reproducibility. The stability......
Hydrogen Sensing Property of Lanthanum Complex Fluoride吴明娒,任玉芳摘 要:<正> Four potentiometric sensor cells have been prepared by using La0.95Pb0.05F2.95 as solidelectrolyte(SE) and various materials as electrodes.The sensor cell "Bi(BiF3)|SE|Pt"exhibits the best per-formance with its 90% response time as short as 75 s to 100 Pa H2 in air at room......
Fabrication and Properties of Ag/Mg0.2Zn0.8O/La0.67Ca0.33MnO/p+-Si Resistive Switching Heterostructure Devices韦长成,王华,XU Jiwen,ZHANG Yupei,CHEN QisongSchool of Materials Science and Engineering... technique. The Ag/MZO/LCMO/p+-Si devices exhibit a bipolar, reversible, and remarkable current-voltage characteristic at room temperature. An obvious multilevel resistive switching effect is observed......
Organic Light Emitting Devices Based on Terbium Complex Xu Denghui1,Wang Ruifen2,Xiao Jing1,Xu Ying1,Deng Zhenbo1 (1.Institute of Optoelectronics Technology,Key Laboratory of Information Storage and Display, Beijing Jiaotong University, Beijing 100044, China;2.Department of Chemistry, Hebei Normal University, Shijiazhuang 050091, China) Abstract:Rare earth complex Tb(BA)3phen was synthesized......
Organic Light Emitting Devices Based on Terbium Complex 王瑞芬1,徐登辉2,肖静2,徐颖2,张志锋2,邓振波2 (1.Department of Chemistry,Hebei Normal University,Shijiazhuang,050091,China;2.Institute of Optoelectronics Technology,Key Laboratory of Information Storage and Display,Beijing Jiaotong University,Beijing,100044,China) Abstract:Rare earth complex TbY(m-MOBA)6(phen)2·2H2O was synthesized,which was first used......