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三频载波多普勒组合的北斗星载钟短稳评估方法

来源:《中南大学学报(自然科学版)2014年第1期》
作者龚航 张鑫 黄新明 朱祥维 王飞雪
概略 on-board clocks (until December 2012) were estimated by the proposed method, with the results of 6×10-12(τ=1 s), 1×10-12(τ=10 s), 4×10-13(τ=100 s), 2×10-13(τ= 1 000 s). The estimation results of this method......

Microstructures and mechanical properties ofTiAl alloy prepared by spark plasma sintering

来源:《中国有色金属学报(英文版)2009年第6期》
作者XIAO Shu-long 韩杰才 于宏宝 陈玉勇 徐丽娟 田竟
概略 ℃/min. The furnace was held at the sintering temperature for 5 min, and then its power was switched off and the sample was cooled with the furnace. A uniaxial pressure of 50 MPa was applied to the powder... with Krool solution (5%HNO3+3%HF+92%H2O (volume fraction)). The compression and three point bending tests were performed using an INSTRON mechanical testing machine. The cylindrical compression test......

Space luminous environment adaptability of missile-borne star sensor

来源:《中南大学学报(英文版)2012年第12期》
作者ZHAO Shu-fang(赵述芳) WANG Hong-tao(王洪涛) WANG Yu(王渝) JI Cai-yan(纪彦)
概略Space luminous environment adaptability of missile-borne star sensorZHAO Shu-fang(赵述芳)1, WANG Hong-tao(王洪涛)2, WANG Yu(王渝)1 , JI Cai-yan(纪彦)3(1. School of Automation, Beijing Institute of Technology..., the adaptability of missile-borne star sensor to space luminous environment was studied. As an example, a certain type of star sensor was considered when imaging to the starry sky on June 22, 2011......

低温环境暖风对改善人体舒适性的实验研究

来源:《中南大学学报(自然科学版)2012年第10期》
作者杨宇 李百战 刘红 李丹蕊
概略低温环境暖风对改善人体舒适性的实验研究杨宇,李百战,刘红,李丹蕊(重庆大学 城市建设与环境工程学院,三峡库区生态环境教育部重点实验室,重庆,400045)摘 要:为探索一种在低温环境中改善人体舒适性的局部供暖方式,于2011年1月在自然通风环境的实验室进行实验,共有62名受试者.设有3个实验工况,分别对受试者的颈部,腹部和小腿进行局部供暖风,实验持续30 min,受试者按照其主观感受填写调查问卷... environment, the experiment was carried out in a natural ventilation environment in January 2011 with 62 subjects. The experiment has 3 setting conditions, i.e. locally applying the warm airflow......

中国铜资源安全演化轨迹模拟与评价

来源:《中国有色金属学报(英文版)2013年第8期》
作者王 昶 左绿水 胡平杰 姚海琳 朱 灏
概略 to obtain the weight. Then, the data of China’s copper from 1992 to 2011 were studied and collected. By processing these data, a comprehensive safety index of China’s copper was got. The results......

行业整合背景下的中国有色金属企业技术效率评价

来源:《中国有色金属学报(英文版)2013年第9期》
作者危 平 唐慧泉 陈 瑶 陈晓红
概略 of 2007 and 2011. Based on financial data from nonferrous metals listed companies, technical efficiency of nonferrous metal minerals mining firms and nonferrous metal smelting, pressing and processing firms......

Forecasting model of residential load based on general regression neural network and PSO-Bayes least squares support vector machine

来源:《中南大学学报(英文版)2011年第4期》
作者何永秀 何海英 王跃锦 罗涛
概略J. Cent. South Univ. Technol. (2011) 18: 1184-1192 DOI: 10.1007/s11771-011-0821-4 Forecasting model of residential load based on general regression neural network and PSO-Bayes least squares... University Press and Springer-Verlag Berlin Heidelberg 2011 Abstract: Firstly, general regression neural network (GRNN) was used for variable selection of key influencing factors of residential load......

A novel technology for control of variable speed pumped storage power plant

来源:《中南大学学报(英文版)2016年第8期》
作者Seyed Mohammad Hassan Hosseini Mohammad Reza Semsar
概略-storage power station [C]// 7th Conference on Power Electronics and Motion Control (IPEMC). Harbin: IEEE, 2012, 4: 2888-2892. [4] HAFEEZ M, UDDIN M N, RAHIM N A. Self-tuned FC and adaptive torque hysteresis-based DTC scheme for IM drive [J]. IEEE Transactions on Industry Applications, 2014, 50: 1410-1420. [5] H Jia-bing. Investigation on switching patterns of direct power control strategies for grid......

基于半监督PCA-LPP流形学习算法的故障降维辨识

来源:《中南大学学报(自然科学版)2016年第5期》
作者唐力伟 张晓涛 王平 邓士杰
概略 of Vibration Engineering, 2013, 26(5): 758-763. [2] 孙斌, 薛广鑫. 基于等距特征映射和支持矢量机的转子故障诊断方法[J]. 机械工程学报, 2012, 48(9): 129-134. SUN Bin, XUE Guangxin. Method of rotor fault diagnosis based on isometric feature... of Vibration and Shock, 2013, 32(5): 149-153. (编辑  陈爱华) 收稿日期:2015-07-22;修回日期:2015-10-19 基金项目(Foundation item):国家自然科学基金资助项目(50775219);军队科研资助项目([2011]107) (Project(50775219) supported by the National......

Numerical analysis of soil-rock mixture’s meso-mechanics based on biaxial test

来源:《中南大学学报(英文版)2016年第3期》
作者徐文杰 张海洋 于玉贞
概略, GUO P. Description of deformation process in inherently anisotropic granular materials [J]. International Journal for Numerical and Analytical Methods in Geomechanics, 2013, 37(5): 478-490. [13... in plane strain extension: analytical solution and comparison with experimental results [J]. Granular Matter, 2011, 13(5): 553-563. [20] WANG J, DOVE J E, GUTIERREZ M S. Discrete-continuum analysis......
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