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Search Results: 1 - 10 of 72954 matches for " Guo-Sheng Hu "
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An Improved Chirplet Transform and Its Application for Harmonics Detection  [PDF]
Guo-Sheng Hu, Feng-Feng Zhu
Circuits and Systems (CS) , 2011, DOI: 10.4236/cs.2011.23016
Abstract: The chirplet transform is the generalization form of fast Fourier transform , short-time Fourier transform, and wavelet transform. It has the most flexible time frequency window and successfully used in practices. However, the chirplet transform has not inherent inverse transform, and can not overcome the signal reconstructing problem. In this paper, we proposed the improved chirplet transform (ICT) and constructed the inverse ICT. Finally, by simulating the harmonic voltages, The power of the improved chirplet transform are illustrated for harmonic detection. The contours clearly showed the harmonic occurrence time and harmonic duration.
The Asymptotic Study of Smooth Entropy Support Vector Regression  [PDF]
Guo-sheng Hu, Jian-hua Zhang
Intelligent Information Management (IIM) , 2012, DOI: 10.4236/iim.2012.43007
Abstract: In this paper, a novel formulation, smooth entropy support vector regression (SESVR), is proposed, which is a smooth unconstrained optimization reformulation of the traditional linear programming associated with an ε-insensitive support vector regression. An entropy penalty function is substituted for the plus function to make the objective function con- tinuous ,and a new algorithm involving the Newton-Armijo algorithm proposed to solve the SESVR converge globally to the solution. Theoretically, we give a brief convergence proof to our algorithm. The advantages of our presented algorithm are that we only need to solve a system of linear equations iteratively instead of solving a convex quadratic program, as is the case with a conventional SVR, and lessen the influence of the penalty parameter C in our model. In order to show the efficiency of our algorithm, we employ it to forecast an actual electricity power short-term load. The experimental results show that the presented algorithm, SESVR, plays better precisely and effectively than SVMlight and LIBSVR in stochastic time series forecasting.
A new subspecies of Primula obconica Hance from Eastern China
鄂报春(Primula obconica Hance)一新亚种

HE Guo-Sheng,HU Chi-Ming,
何国生
,胡启明

中国科学院研究生院学报 , 2002,
Abstract: A new subspecies, Primula obconica subsp. fujianensis, is described. The genus Primula is widely distributed throughout China, but it has never been previously recorded in Fujian and Jiangsu. Recently the authors collected a specimen of the genus from Fujian for the first time. It is obviously closely related to P. obconica, which is one of the most common species in China, ranging from western Yunnan and Sichuan through Guizhou, Hubei to Hunan and northern Guang- dong, with its most easterly extension in southern Jiangxi. Morphologically, the Fujian plant is char- acterized by its much smaller stature and by the scapes being shorter than the leaf rosette, and in many ways it is more closely related to P. obconica subsp. parva, but can be easily distinguished by its smaller, white and homostylous flowers. As it is isolated both in distribution and reproductionwith other subspecies of P. obconica, here it is described as a new subspecies.
Influence and Simulation Model of Operational Parameters on Hydrogen Bio-production Through Anaerobic Microorganism Fermentation Using Two Kinds of Wastes
Yue Shi,Guo-sheng Gai,Xiu-tao Zhao,Yin-yin Hu
Lecture Notes in Engineering and Computer Science , 2009,
Abstract:
Analysis of Protein Profiling of Bacillus subtilis Natural Competence-deficient Mutant BR151pm
Bacillus subtilis自然感受态缺陷株蛋白质表达谱的初步分析

TANG Hu,LIU Guo-Sheng,XIE Zhi-Xiong,SHEN Ping,
唐姬
,刘国生,谢志雄,沈萍

微生物学通报 , 2007,
Abstract: Two-dimensional electrophoresis(2-DE)had been employed to compare the global protein patterns between low transformability Bacillus subtilis BR151 pm and wild strain BR151 p,and 28 protein spots were found to express differentially.Two protein spots which re- markably unexpressed in B.subtilis BR151pm were measured by matrix assisted laser desorption/ionization tandem time-of-flight mass spec- trometry.With peptide mass fingerprinting,two protein spots were identified as Nin and RecA,which were directly involved in the develop-ment of natural competence in B.subtilis. The results determined that strain BR151pm was natural competence-deficient.
Analysis of Protein Profiling of Bacillus subtilis Natural Competence-deficient Mutant BR151pm
Bacillus subtilis自然感受态缺陷株蛋白质表达谱的初步分析

TANG Hu,LIU Guo-Sheng,XIE Zhi-Xiong,SHEN Ping,
唐姬
,刘国生,谢志雄,沈萍

微生物学报 , 2007,
Abstract: Two-dimensional electrophoresis(2-DE)had been employed to compare the global protein patterns between low transformability Bacillus subtilis BR151 pm and wild strain BR151 p,and 28 protein spots were found to express differentially.Two protein spots which re- markably unexpressed in B.subtilis BR151pm were measured by matrix assisted laser desorption/ionization tandem time-of-flight mass spec- trometry.With peptide mass fingerprinting,two protein spots were identified as Nin and RecA,which were directly involved in the develop-ment of natural competence in B.subtilis. The results determined that strain BR151pm was natural competence-deficient.
Analysis on the principle of multilevel optical data recording and the study on the processing of the front signals of a multilevel read-write system
多阶光存储原理分析及其读写系统前端信号处理研究

Xiao Jia-Xi,Qi Guo-Sheng,Hu Hua,Xu Duan-Yi,
肖家曦
,齐国生,胡 华,徐端颐

物理学报 , 2005,
Abstract: This paper utilized the calculation methods in vector diffraction theory, such as the wave_coupled method and the finite difference time domain method, to a nalyze two multilevel optical recording methods in principle. Meanwhile the prin ciple to achieve multilevel optical recording by modulating the amplitude of pha se_change media is also discussed. According to these analysis, the multilevel d ata recording utilizes the mutual action between laser and recording media. Lase r beam has some special effects on the media; simultaneously the media will modu late some characteristics of the light. Generally, the diversities of these cha racteristics are more than two states, so the multilevel data recording can be a chieved by recording these different states. Besides, the design and development of the front signals processing system is also presented. It is an important pa rt of the experimental system for multilevel recording. It can output some servo and error signals such as TE, FE and RF etc, which will be fed back to the appr opriative chip for multilevel recording. Additionally the processing system not only can control the laser power and the writing time of the optical pickup, but it also can make the pickup realize focusing and tracking automatically.
Leaf-TCAM:A Parallel IP Address Lookup Method and Performance Analysis
Leaf-TCAM:一种并行IP路由查找方法及性能分析

ZHU Guo-sheng,YU Shao-hu,DAI Jin-you,
朱国胜
,余少华,戴锦友

计算机科学 , 2010,
Abstract: Features of global routing table and prefix updates were analysized.A parallel IP address lookup scheme based on leaf nodes called Leaf-TCAM was proposed.The global routing table is partitioned into sub-tables and put into K independent TCAM chips.Our scheme can get speedup factor K-1 with 0.1*(K-1) redundant.Prefix expansion is not needed and over 90% prefix updates can be done in random mode.Our scheme can partition the routing table evenly and has low cost when the sub-table is overflow.The power cunsump...
A New Approach to Video Quality Assessment Based on Human Perception and Fusion
一种结合感知与融合的视频质量评价新方法

WANG Zheng-you,HU Guo-sheng,WU Hai-yan,LI Zhen-xing,
王正友
,胡国胜,吴海燕,李振兴

中国图象图形学报 , 2009,
Abstract: 提出了一种结合人眼视觉特性(HVS)和信息融合的视频质量评价新方法.该方法是在结构相似(SSIM)方法基础之上,融合了人眼几个主要视觉特性,如对比敏感度、多通道、视觉掩盖、视觉非线性等.新方法具有SSIM算法简单、高效等特性,同时又满足人眼视觉特性,更好地反映了人的主观感受.通过VQEG Phase I测试数据集的实验结果证明,该方法在非线性回归后相关系数、斯皮尔曼相关系数、线外率等指标均优于传统的其他视频质量评价算法,有效地提高了视频质量评价的主客观一致性.
Differential expression of analgesic proteins in two Paecilomyces gunnii isolates
两株古尼拟青霉菌株的镇痛差异蛋白质组学研究

HU Tuo,ZHU Guo-Sheng,LIU Yong-Xiang,LIU Zuo-Yi,
胡拓
,朱国胜,刘永翔,刘作易

菌物学报 , 2011,
Abstract: Two isolates of Paecilomyces gunnii, anamorph of Cordyceps gunnii, with and without producing analgesic activity, were tested by using proteomic analysis in order to find the correlation between protein differential expression and analgesic activity. The results showed that expression of 51 protein spots significantly increased in the active isolate HZJ-1. Among the spots, structures of 39 proteins with various functions were identified. Most of the proteins were related to metabolism, and the NADP-specific glutamate dehydrogenase might mediate long-term depression of synaptic transmission and reduce pain. The functions of several conserved hypothetical proteins have not been reported, and are needed for further studies.
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