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Search Results: 1 - 10 of 128770 matches for " XU Yu-Lin "
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High-capacity three-party quantum secret sharing with superdense coding

Gu Bin,Li Chuan-Qi,Xu Fei,Chen Yu-Lin,

中国物理 B , 2009,
Abstract: This paper presents a scheme for high-capacity three-party quantum secret sharing with quantum superdense coding, following some ideas in the work by Liu et al (2002 Phys. Rev. A 65 022304) and the quantum secret sharing scheme by Deng et al (2008 Phys. Lett. A 372 1957). Instead of using two sets of nonorthogonal states, the boss Alice needs only to prepare a sequence of Einstein--Podolsky--Rosen pairs in d-dimension. The two agents Bob and Charlie encode their information with dense coding unitary operations, and security is checked by inserting decoy photons. The scheme has a high capacity and intrinsic efficiency as each pair can carry 2lbd bits of information, and almost all the pairs can be used for carrying useful information.
A speech enhancement algorithm of independent component analysis imported virtual noisy component
一种引入虚拟噪声分量的独立分量分析语音增强算法

HUANG Lei,LIU Yu-lin,XU Shun,
黄磊
,刘郁林,徐舜

重庆邮电大学学报(自然科学版) , 2007,
Abstract: 简要介绍了有关独立分量分析(ICA)的基本理论和算法后,探讨了独立分量分析在语音增强中的应用。 针对在加噪模型中进行ICA分离时,噪声消除比较困难这一问题通过理论分析,引入了虚拟高斯白噪声的概念,将 其应用在ICA的语音增强算法中得到了解决。仿真试验结果表明,该方法能有效地消除语音信号中的白噪声。
A Formal Language for Programming with Distributed Resources and Scopes
一种基于分布式资源域理论的形式化语言

WANG Xu,HUANG Tao,FENG Yu-lin,
王栩
,黄涛,冯玉琳

软件学报 , 2001,
Abstract:
A THERMODYNAMIC CAVITATION MODEL APPLICABLE TO HIGH TEMPERATURE FLOW
De-Min Liu,Shu-Hong Liu,Yu-Lin Wu,Hong-Yuan Xu
Thermal Science , 2011, DOI: tsci11s1095l
Abstract: Cavitation is not only related with pressure, but also affected by temperature. Under high temperature, temperature depression of liquids is caused by latent heat of vaporization. The cavitation characteristics under such condition are different from those under room temperature. The paper focuses on thermodynamic cavitation based on the Rayleigh-Plesset equation and modifies the mass transfer equation with fully consideration of the thermodynamic effects and physical properties. To validate the modified model, the external and internal flow fields, such as hydrofoil NACA0015 and nozzle, are calculated, respectively. The hydrofoil NACA0015's cavitation characteristic is calculated by the modified model at different temperatures. The pressure coefficient is found in accordance with the experimental data. The nozzle cavitation under the thermodynamic condition is calculated and compared with the experiment.
Effect of Dietary Cysteine Supplementation on Growing Performance, Pelt Quality and Some Serum Biochemical Parameters of Young Rex Rabbit
Tossou Myrlene Carine B,Han Xu-feng,Chen Yu-Lin
European Researcher , 2013,
Abstract: The present study was conducted to evaluate the effects of dietary cysteine, a sulphur containing amino acid supplementation on growth performance, pelt quality and a number of serum biochemical parameters of young Rex Rabbit. One hundred and twenty Rex Rabbits aged 45 days were divided into five dietary treatment groups including one control group and 4 experimental groups. Each group was composed of 24 animals and was fed with different diets for 56 days corresponding to the fattening period. Diet was incorporated with 0% of cysteine (control group) and 0,10%, 0,20%, 0,30% and 0,40% respectively for the experimental groups. At the end of the experiment, results showed that cysteine supplementation to the diet affected average daily gain, live weight,skin length, skin area and pelt weight at the late phase of 42 to 56 days (P<0.05). Feed intake, feed efficiency, skin width and serum biochemical parameters were not affected in our study (P>0.05)
Large-time rescaling behaviors of Stokes and Hele-Shaw flows driven by injection
Yu-Lin Lin
Physics , 2009,
Abstract: In this paper, we give a precise description of the rescaling behaviors of global strong polynomial solutions to the reformulation of zero surface tension Hele-Shaw problem driven by injection, the Polubarinova-Galin equation, in terms of Richardson complex moments. From past results, we know that this set of solutions is large. This method can also be applied to zero surface tension Stokes flow driven by injection and a rescaling behavior is given in terms of many conserved quantities as well.
Perturbation theorems for Hele-Shaw flows and their applications
Yu-Lin Lin
Physics , 2010, DOI: 10.1007/s11512-010-0138-9
Abstract: In this work, we give a perturbation theorem for strong polynomial solutions to the zero surface tension Hele-Shaw equation driven by injection or suction, so called the Polubarinova-Galin equation. This theorem enables us to explore properties of solutions with initial functions close to but are not polynomial. Applications of this theorem are given in the suction or injection case. In the former case, we show that if the initial domain is close to a disk, most of fluid will be sucked before the strong solution blows up. In the later case, we obtain precise large-time rescaling behaviors for large data to Hele-Shaw flows in terms of invariant Richardson complex moments. This rescaling behavior result generalizes a recent result regarding large-time rescaling behavior for small data in terms of moments. As a byproduct of a theorem in this paper, a short proof of existence and uniqueness of strong solutions to the Polubarinova-Galin equation is given.
Classification of degree three polynomial solutions to the Polubarinova-Galin equation
Yu-Lin Lin
Mathematics , 2013,
Abstract: The Polubarinova-Galin equation is derived from zero-surface-tension Hele-Shaw flow driven by injection. In this paper, we classify degree three polynomial solutions to the Polubarinova-Galin equation into three categories: global solutions, solutions which can be continued after blow-up and solutions which cannot be continued after blow-up. The coefficient region of the initial functions in each category is obtained.
Some Remarks on the Fermat Equation
Yu-Lin Chou
Mathematics , 2015,
Abstract: This note gives two results neighboring on Fermat's last theorem that in principle induce elementary proofs of Fermat's last theorem; the first one gives a necessary condition for Fermat's last theorem to be false, and the second one divides Fermat's last theorem into exactly three cases and proves one of those.
A Time-Domain Algorithm for Blind Source Separation of Non-stationary Convolutive Mixtures
一种非平稳卷积混合信号的时域盲源分离算法

Xu Shun,Liu Yu-lin,Chen Shao-rong,
徐舜
,刘郁林,陈绍荣

电子与信息学报 , 2008,
Abstract: In this paper, a time-domain blind source separation algorithm for non-stationary convolutive mixtures is proposed by reprogramming the vectors of convolutive mixture model and generalizing the joint approximate diagonalization method. Firstly the sampling convolutive mixture signals are reseted for matching instantaneous mixture model, then considering non-stationarity of the sources, space whitening and joint block-diagonalization method is exploited to obtain the original signals. This algorithm simplifies the convolutive mixture problem into the instantaneous mixture problem from a new point of view, so it avoids domain transformation and convolution operation, as well as decreases the complexity. Computer simulation verifies its effectiveness and gives the analysis results about the effect on the signal to interference ratio as its parameter changes.
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