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Entropy of Chaotic Oscillations of Currents in the Chua Circuit and its HMM Analysis
Chaotic Oscillations Chua Circuit Hidden Markov Model
2010/4/2
We study entropy of chaotic oscillation of electric currents in the Chua circuit controlled by triggering a pulse that brings the orbit that goes onto an unstable branch back to a stable branch. A num...
Lie algebraic analysis and simulation of high-current pulsed beam transport in a solenoidal lens
solenoidal lens Lie algebraic space charge effect nonlinearity
2009/12/24
Recent calculations of the transport of a high-current beam in a solenoidal lens have made progress to the second order with the Lie algebraic method. A review of the theory and our simulation to rea...
针板电极荷电液体射流不稳定性分析（Analysis of Instability for Charged Liquid Jets with the Needle-plate Electrodes）
液体射流 不稳定性 静电场
2009/9/11
基于荷电液体射流的模型和广义坐标下的Lagrange方程，建立了静电场作用下无粘性液体射流的色散方程，并对该方程进行了数值求解，分析了若干因素对荷电液体射流的轴对称模型和非轴对称模型的影响。研究结果表明：随着电场强度的增大，荷电液体射流的最大扰动增长率增大。低电压时静电场对轴对称射流的不稳定性有显著作用，电压逐渐升高时非轴对称模型逐渐占据主导地位，最终导致液滴的破碎；随着射流半径的减小，荷电液体射...
New test and analysis of position-sensitive-silicon-detector
position sensitive position distortion particle telescope charge division method
2009/8/14
We have tested and analyzed the properties of two-dimensional Position-Sensitive-silicon-Detector (PSD) with new integrated preamplifiers. The test demonstrates that the best position resolution for 5...
Theoretical and numerical analysis of coherent Smith-Purcell radiation
Smith-Purcell radiation van den Berg model induced surface current model coherence
2009/8/14
Coherent enhancement of Smith-Purcell radiation has attracted people's attention not only in adopting a better source but also in beam diagnostics aspect. In this paper, we study the intrinsic mechani...
Growth and microindentation analysis of pure and doped Sb2Se3 crystals
Sb2Se3 microindentation energy gap doping
2010/4/8
Pure and doped antimony selenide (Sb2Se3, Sb2Se2.8Te0.2, and Sb2Se2.6Te0.4) crystals have been grown from melt by the Bridgman Stockbarger method. X-ray powder diffraction analysis was carried out to ...