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< Page ,Total 486 >
How to write a script of CAI in physics CPCI-SSH CPCI-S
会议论文 | 1998 , 284-285 | 6th International Conference on Computers in Education (ICCE 98)
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Abstract :

How to write a script of CAI in physics is discussed with the following topics: the choice of subject, scheme of demonstration, setting up mathematical model and design of interface between the user and computer.

Keyword :

Lorentz force category No. G434 computer assisted instruction magnetic focusing

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GB/T 7714 Tong, WX . How to write a script of CAI in physics [C] . 1998 : 284-285 .
MLA Tong, WX . "How to write a script of CAI in physics" . (1998) : 284-285 .
APA Tong, WX . How to write a script of CAI in physics . (1998) : 284-285 .
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Quantitative analysis of exponential stability of nonlinear continuous neural networks EI CPCI-S Scopus
会议论文 | 1998 , 3545 , 104-107 | International Symposium on Multispectral Image Processing and Pattern Recognition
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Abstract :

In this paper,a characteristic function is defined and used to quantitatively characterize exponential stability of nonlinear continuous neural network. By utilitizing the function, We address many important aspects of network, including global and local exponential stability. The estimates of the domain of attraction of stable equilibrium point; the estimates of convergent rate of the network trajectories. A sufficient and necessary condition for network to be locally exponentially stable is obtained. Our method is simple and practical,and our results generalize those in 1-3.

Keyword :

domain of attraction local exponential stability convergence rate global exponential stability monotone norm neural network

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GB/T 7714 Wang, LS , Tan, Z , Huang, RS . Quantitative analysis of exponential stability of nonlinear continuous neural networks [C] . 1998 : 104-107 .
MLA Wang, LS 等. "Quantitative analysis of exponential stability of nonlinear continuous neural networks" . (1998) : 104-107 .
APA Wang, LS , Tan, Z , Huang, RS . Quantitative analysis of exponential stability of nonlinear continuous neural networks . (1998) : 104-107 .
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An automatic registration algorithm for DSA images based on wavelet transform CPCI-S
会议论文 | 1998 , 3545 , 504-507 | International Symposium on Multispectral Image Processing and Pattern Recognition
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Abstract :

Registration is a problem of motion estimation (ME). The conventional ME methods often can not trade off between the estimation precision and computational complexity. This proposed method based an wavelet transform is a multi-scale block matching one, which rakes the fall advantage of the self-similarity that occurs after the wavelet transforming. The precision is from coarse to fine, which accelerates the matching procedure and reduces the computation consumption noticeably. This multi-scale registration algorithm has been proved practicable and useful in the real application.

Keyword :

wavelet transform Digital Subtraction Angiography motion estimation registration

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GB/T 7714 Ji, Z , Mou, XQ , Jiang, YF et al. An automatic registration algorithm for DSA images based on wavelet transform [C] . 1998 : 504-507 .
MLA Ji, Z et al. "An automatic registration algorithm for DSA images based on wavelet transform" . (1998) : 504-507 .
APA Ji, Z , Mou, XQ , Jiang, YF , Cai, YL . An automatic registration algorithm for DSA images based on wavelet transform . (1998) : 504-507 .
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Measurement and research on the best electrode separation for 35kV vacuum interrupters EI CPCI-S Scopus
会议论文 | 1998 , 18 , 484-487 | Proceedings of the 1998 18th Interantional Symposium on Discharges and Electrical Insulation in Vacuum. Part 1 (of 2)
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Abstract :

A synthetic circuit is used to measure and research 35kV exposed shield type vacuum interrupters with cup axial magnetic field type electrodes. Experimental results show that there is a limitation of the best separation for 35kV vacuum interrupters. In this range, the probability of reignition is lower and the post are withstand-voltage is higher. This paper analyzes the experimental results and points out that it is necessary to reduce the contact spacing of vacuum interrupters and vacuum circuit breakers.

Keyword :

electrode separation reignition 35kV vacuum interrupter

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GB/T 7714 Li, Jin , Feng, Zhou , Jing, Yan et al. Measurement and research on the best electrode separation for 35kV vacuum interrupters [C] . 1998 : 484-487 .
MLA Li, Jin et al. "Measurement and research on the best electrode separation for 35kV vacuum interrupters" . (1998) : 484-487 .
APA Li, Jin , Feng, Zhou , Jing, Yan , Jimel, Wang . Measurement and research on the best electrode separation for 35kV vacuum interrupters . (1998) : 484-487 .
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Pressure consideration to predict peak heat fluxes in saturated and pressurized HeII CPCI-S
会议论文 | 1998 , 821-825 | 17th International Cryogenic Engineering Conference
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Abstract :

This paper discussed the pressure of liquid helium and its effect on heat transfer between a wire and superfluid helium. A mathematical model including pressure parameter to unify the calculation of peak heat fluxes in both pressurized and saturated HeII is recommended The calculated results by the model for both baths corresponding with experimental conditions well agree with those of measurement. The temperature distributions inside sample, in liquid helium in the vicinity, and on the boundary surface between them are also qualitatively worked out by the model. The most part of temperature difference is dropped on the boundary surface due to larger Kapitza resistance.

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GB/T 7714 Li, YZ , Chen, CZ . Pressure consideration to predict peak heat fluxes in saturated and pressurized HeII [C] . 1998 : 821-825 .
MLA Li, YZ et al. "Pressure consideration to predict peak heat fluxes in saturated and pressurized HeII" . (1998) : 821-825 .
APA Li, YZ , Chen, CZ . Pressure consideration to predict peak heat fluxes in saturated and pressurized HeII . (1998) : 821-825 .
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High resolution germanium diode level detector for cryogenic liquids CPCI-S
会议论文 | 1998 , 827-830 | 17th International Cryogenic Engineering Conference
WoS CC Cited Count: 1
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Abstract :

Because of the heat transfer performance of semiconductor germanium diode in gas phase being very different from that in liquid phase, the notable difference in temperature and forward voltage output will be existed when the germanium diode comes from liquid phase up to gas phase, or vice versa. On the basis of this principle, a high resolution level detector by using semiconductor germanium diodes for cryogenic liquids has been developed and used widely in researches and industrial applications. Its resolution and stability are greatly improved in comparison with carbon resistor detector and other kinds of detectors made of other materials at present.

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GB/T 7714 Chen, LF , Wu, YY , Lu, Y . High resolution germanium diode level detector for cryogenic liquids [C] . 1998 : 827-830 .
MLA Chen, LF et al. "High resolution germanium diode level detector for cryogenic liquids" . (1998) : 827-830 .
APA Chen, LF , Wu, YY , Lu, Y . High resolution germanium diode level detector for cryogenic liquids . (1998) : 827-830 .
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A new model for the DOA estimation of the coherent signals CPCI-S
会议论文 | 1998 , C329-C332 | IEEE International Symposium on Circuits and Systems (ISCAS 98)
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Abstract :

Based on the movement of the sources, a new model for the DOA estimation of the coherent signals is proposed herein under which the signals and their multipath counterparts are decorrelated without spatial smoothing or spatial signature estimation. and the cyclic methods such as cyclic MUSIC and evelic ESPRIT can be directly employed in the multipath scenarios so that the signal selectivity and interference suppression can be achieved in practical mobile communication. The effectiveness of this new model is demonstrated by simulation results.

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GB/T 7714 Jin, L , Yao, ML , Yin, QY . A new model for the DOA estimation of the coherent signals [C] . 1998 : C329-C332 .
MLA Jin, L et al. "A new model for the DOA estimation of the coherent signals" . (1998) : C329-C332 .
APA Jin, L , Yao, ML , Yin, QY . A new model for the DOA estimation of the coherent signals . (1998) : C329-C332 .
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A novel method on solving coupled heat and mass transfer in porous media with a moving phase-change front CPCI-S
会议论文 | 1998 , 781-784 | 17th International Cryogenic Engineering Conference
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Abstract :

Equivalent Coupled Diffusional Model (ECDM) is applied to set up governing equations for heat and mass transfer problem in porous media with a moving phase-change front. Variable time step method with Block Tridiagonal Matrix Algorithm (BTDMA) is employed to solve the equations. A new way of calculating the variable time step is put forward. The results agree well with experimental data. It indicates the validity of the equations and the new method.

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GB/T 7714 Guo, YY , Liu, YZ , Gong, DQ . A novel method on solving coupled heat and mass transfer in porous media with a moving phase-change front [C] . 1998 : 781-784 .
MLA Guo, YY et al. "A novel method on solving coupled heat and mass transfer in porous media with a moving phase-change front" . (1998) : 781-784 .
APA Guo, YY , Liu, YZ , Gong, DQ . A novel method on solving coupled heat and mass transfer in porous media with a moving phase-change front . (1998) : 781-784 .
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Convergence conditions of waveform relaxation methods for circuit simulation EI CPCI-S Scopus
会议论文 | 1998 , E232-E235 | Proceedings of the 1998 IEEE International Symposium on Circuits and Systems, ISCAS. Part 5 (of 6)
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Abstract :

For two general classes of circuits which are described by nonlinear differential-algebraic equations and linear differential-algebraic equations respectively, we present convergence conditions of the waveform relaxation methods, in which the proofs are based on the operator spectral theory and are identical. These convergence conditions reveal the types of splittings of the equations for which the waveform relaxation methods will converge.

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GB/T 7714 Jiang, Yao Lin , Wing, Omar . Convergence conditions of waveform relaxation methods for circuit simulation [C] . 1998 : E232-E235 .
MLA Jiang, Yao Lin et al. "Convergence conditions of waveform relaxation methods for circuit simulation" . (1998) : E232-E235 .
APA Jiang, Yao Lin , Wing, Omar . Convergence conditions of waveform relaxation methods for circuit simulation . (1998) : E232-E235 .
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On the modeling of a chaotic circuit containing a bent hysteresis resistor EI CPCI-S Scopus
会议论文 | 1998 , B358-B361 | Proceedings of the 1998 IEEE International Symposium on Circuits and Systems, ISCAS. Part 5 (of 6)
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Abstract :

This paper discusses the modeling of a third order nonlinear circuit containing a resistor with so-called bent hysteresis characteristic. It is pointed out that the model given in [2] is incorrect. A correct model is derived in the present paper. The computer simulation shows that the model of Newcomb's circuit proposed in the present paper agrees with the experiment shown in [3].

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GB/T 7714 Xia, Cheng Quan , Du, Min . On the modeling of a chaotic circuit containing a bent hysteresis resistor [C] . 1998 : B358-B361 .
MLA Xia, Cheng Quan et al. "On the modeling of a chaotic circuit containing a bent hysteresis resistor" . (1998) : B358-B361 .
APA Xia, Cheng Quan , Du, Min . On the modeling of a chaotic circuit containing a bent hysteresis resistor . (1998) : B358-B361 .
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