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[期刊论文] 作者:Liu Dang-Ting,Tian Ye,Chen Geng-Hua,Yang Qian-Sheng, 来源:中国物理B(英文版) 年份:2008
Based on the results of explicit forms of free energy density for each possible arrangement of magnetization fluxes in large-scale two-dimensional (2D) square...
[期刊论文] 作者:Li Zhuo,Chen Geng-Hua,Zhang Li-Hua,Yang Qian-Sheng,Feng Ji, 来源:中国物理(英文版) 年份:2005
We present acomplementary least-mean-square algorithm of adaptive filtering for SQUID-based magnetocardiography, in which both rapid convergence and fine tracki...
[期刊论文] 作者:Zhu Xiao-Bo,Wei Yan-Feng,Zhao Shi-Ping,Chen Geng-Hua,Yang Qian-Sheng, 来源:中国物理(英文版) 年份:2004
Current-voltage characteristics of the surface intrinsic Josephson junctions under a magnetic field parallel to CuO2planes have been studied experimentally. Fis...
[期刊论文] 作者:Li Zhuo,Chen Geng-Hua,Zhang Li-Hua,Yang Qian-Sheng,Feng Ji, 来源:中国物理(英文版) 年份:2006
We present a new least-mean-square algorithm of adaptive filtering to improve the signal to noise ratio for magneto-cardiography data collected with high-temper...
[期刊论文] 作者:HAN Bing,CHEN Geng-Hua,ZHAO Shi-Ping,YANG Qian-Sheng,YAN Sha-Lin,LU Rong-Tao, 来源:中国物理快报(英文版) 年份:2000
We fabricated direct-current superconducting quantum interference device magnetometers with single layer epitaxial Tl2Ba2CaCu2Ox films on 36.8°SrTiO3 bicrystal...
[期刊论文] 作者:Li Zhuo,Liu Dang-Ting,Tian Ye,Chen Geng-Hua,Zhang Li-Hua,Yang Qian-Sheng,Feng Ji, 来源:中国物理(英文版) 年份:2007
In this paper, we have developed an algorithm based on singular value decomposition (SVD) for matrix. And the novel SVD algorithm with normalized period of card...
[期刊论文] 作者:Zhu Xue-Min,Ren Yu-Feng,Yu Hong-Wei,Zhao Shi-Ping,Chen Geng-Hua,Zhang Li-Hua,Yang Qian-Sheng, 来源:中国物理(英文版) 年份:2006
Considering the properties of slow change and quasi-periodicity of magnetocardiography (MCG) signal, we use an integrated technique of adaptive and low-pass fil...
[期刊论文] 作者:TIAN Ye,KONG Xiang-Yan,WANG Hui-Wu,ZHAO Shi-Ping,CHEN Geng-Hua,YANG Qian-Sheng,CAO Lie-Zhao, 来源:中国物理快报(英文版) 年份:2004
Current density and local magnetic field of spontaneous magnetization states in one-dimensional superconducting connected coer-junction arrays have been analyse...
[期刊论文] 作者:LIU Dang-Ting,TIAN Ye,REN Yu-Feng,YU Hong-wei,ZHANG Li-Hua,YANG Qian-Sheng,CHEN Geng-Hua, 来源:中国物理快报(英文版) 年份:2008
We present a new filter scheme for magnetocardiogram (MCG) signal processing based on the quasi-periodic characteristic of the signals. The key points of this s...
[期刊论文] 作者:CAO Ning,WEI Yan-Feng,ZHAO Ji-Min,ZHAO Shi-Ping,YANG Qian-Sheng,ZHANG Zhi-Guo,FU Pan-Ming, 来源:中国物理快报(英文版) 年份:2008
Quasiparticle dynamics of an optimally doped Bi2Sr2 CaCu2O8+δ single crystal is investigated by the femtosecond pump-probe technique. Temperature dependences o...
[期刊论文] 作者:WEI Yan-Feng,ZHAO Shi-Ping,ZHU Xiao-Bo,CHEN Geng-Hua,REN Yu-Feng,YU Hong-Wei,YANG Qian-Sheng, 来源:中国物理快报(英文版) 年份:2007
We study the microwave response of surface intrinsic Josephson junctions on Bi2Sr2CaCu2O8+δ, in which bending pancake vortex lines are introduced in a controll...
[期刊论文] 作者:Kong Xiang-Yan,Wang Hui-Wu,Tian Ye,Huang Xu-Guang,Zhang Li-Hua,Ren Yu-Feng,Chen Geng-Hua,Yang Qian-Sheng, 来源:中国物理(英文版) 年份:2004
An adaptive filter based on Data-Reusing Least-Mean-Square algorithm has been proposed and applied in magnetocardiography (MCG) to suppress ambient noise. Numer...
[期刊论文] 作者:WEI Yan-Feng,ZHAO Shi-Ping,ZHU Xiao-Bo,CHEN Geng-Hua,REN Yu-Feng,YU Hong-Wei,YANG Qian-Sheng,HU Yun, 来源:中国物理快报(英文版) 年份:2005
Microwave-field responses of the surface intrinsic Josephson junctions (IJJs) of Bi2Sr2 CaCu2 O8+δ superconductors are investigated. The IJJs are fabricated us...
[期刊论文] 作者:LI Zhuo,ZHU Xue-Min,ZHANG Li-Hua,HUANG Xu-Guang,REN Yu-Feng,CHEN Geng-Hua,YANG Qian-Sheng,FENG Ji, 来源:中国物理快报(英文版) 年份:2006
An economical magnetocardiogram (MCG) system is built in our laboratory. It mainly consists of a MCG data acquisition stage equipped with two high-Tc supercondu...
[期刊论文] 作者:Hong-Wei,Ding Hong-Sheng,Zhao Shi-Ping,Chen Geng-Hua,Zhou Yue-Liang,Zhang Li-Hua,He Yu-Sheng,Yang Qian-Sheng, 来源:中国物理(英文版) 年份:2004
A non-destructive evaluation system based on high-Tc dc-SQUID (superconducting quantum interference device)incorporating a gradient field excitation has been bu...
[期刊论文] 作者:ZHU Xiao-Bo(朱晓波),WEI Yan-Feng(魏彦锋),ZHAO Shi-Ping(赵士平),CHEN Geng-Hua(陈赓华),YANG Qian-Sheng(杨乾声), 来源:中国物理快报(英文版) 年份:2004
Well-characterized surface intrinsic Josephson junctions (IJJs) on Bi2Sr2 CaCu2 Os+δ single crystals are fabricated by in situ cryogenic cleavage of the crysta...
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