共搜索到4422条信息,每页显示10条信息,共443页。用时:0小时0分0秒375毫秒
STUDY ON TEMPERATURE FIELD INDUCED IN HIGH FREQUENCY INDUCTION HEATING Z.Q. Yao1,J. Hu1,Y.J. Shi1,H. Shen1 (1.School of Mechanical Engineering, Shanghai Jiaotong University, Shanghai 200030, China) Abstract:A mathematical model was established for the temperature field developed during high frequency induction heating (HFIH) by Maxwell''s equations. It required solving the coupled equations......
A Cold Adhesion for Self-fused Alloy Coat by High Frequency Induction ZHANG Zeng-zhi1,AI Bo1 (1.Research Institute of Ecological and Functional Material, China University of Mining and Technology... frequency induction generated by 100kw power with a frequency of 250kHz. The technological parameters of the method were determined through analysis of the thermal magnetism, thermal resistivity and anti......
J. Cent. South Univ. Technol. (2010) 17: 1293-1299 DOI: 10.1007/s11771-010-0634-x Cancellation for frequency offset in OFDM system based on TF-LMS algorithm GUAN Qing-yang(关庆阳), ZHAO Hong-lin(赵洪林...: In an orthogonal frequency division multiplexing (OFDM) system, a time and frequency domain least mean square algorithm (TF-LMS) was proposed to cancel the frequency offset (FO). TF-LMS algorithm is composed......
Motion behavior of non-metallic particles under high frequency magnetic field ZHANG Zhong-tao(张忠涛)1, 2, GUO Qing-tao(郭庆涛)3, YU Feng-yun(于凤云)2, LI Jie(李 捷)1, 2, ZHANG Jian(张 剑)1, 2, LI Ting-ju(李廷... particles in commercial pure aluminum under high frequency magnetic field. At the meantime, multi-pipe experiment was also done to discuss the prospect of continuous elimination of non-metallic particles......
; Natural frequency of tapered high pier considering pile-soil interaction ZHAO Ming... design of tapered high pier, the analysis of natural vibration frequency is of great importance. According to the engineering features of tapered high pier in mountainous area, a vibration......
......
Third-order active-RC complex filter with automatic frequency tuning for ZigBee transceiver applicationsLI Di(李迪)1, JING Zhan(井站)1, YANG Yin-tang(杨银堂)1, WU Xiao-feng(吴笑峰)2, SHI Zuo-chen(石佐辰)1, LIU... MHz bandwidth with a centre frequency of 2 MHz which was required by the ZigBee transceiver applications. An automatic frequency tuning scheme was also designed to accommodate the performance......
Evolution of domain structure and frequency effect on ferroelectric properties in BIT ferroelectrics ZHENG Xue-jun(郑学军)1, 2, LU Jia(卢佳)1, ZHOU Yi-chun(周益春)1,2, WU Bo(吴波)1, CHEN Yi-qiang... for Bi4Ti3O12 (BIT) ferroelectric single crystal under an applied electric field. In the static electric energy induced by an applied alternating electric field, the effects of field frequency......
J. Cent. South Univ. (2016) 23: 1682-1689 DOI: 10.1007/s11771-016-3222-x Rolling element bearing instantaneous rotational frequency estimation based on EMD soft-thresholding denoising and instantaneous fault characteristic frequency ZHAO De-zun(赵德尊), LI Jian-yong(李建勇), CHENG Wei-dong(程卫东), WANG Tian-yang(王天杨), WEN Wei-gang(温伟刚) School of Mechanical Electronic and Control Engineering, Beijing......
Influence of heat treatment on high frequency soft magnetic properties of Finemet amorphous alloy YANG Sha(杨 沙)1, 2, CHEN Bo-qu(陈伯渠) 1, 2, YAN Biao(严 彪) 1, 2, LU Wei(陆 伟) 1, 2, LONG Ling(龙..., Tongji University, Shanghai 200092, China Received 15 July 2007; accepted 10 September 2007 Abstract: In order to study high-frequency soft magnetic properties of Finemet amorphous alloy......