国家自然科学基金(90820307)

作品数:8被引量:10H指数:2
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相关作者:吴睿洁倪兵朱宏伟钱晨灿李勇杰更多>>
相关机构:中国科学院首都医科大学宣武医院华东师范大学中国科学院大学更多>>
相关期刊:《华东师范大学学报(自然科学版)》《Science China Mathematics》《Acta Mathematicae Applicatae Sinica》《生物化学与生物物理进展》更多>>
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非线性常微分方程的解在无穷处的渐近行为(英文)
《华东师范大学学报(自然科学版)》2016年第6期94-101,118,共9页SERGEY Prokhozhiy 倪明康 
国家自然科学基金(11471118,30921064,90820307);中科院创新项目;上海PMMP重点实验室
本文研究了非线性常微分方程v"-c_1(v^n)'-c_2v^p=0解的渐近行为.考虑了所有参数间的相互关系.确立了第一渐近项以及在第二渐近项下存在的诸多情形.同时研究了正负值下的柯西问题.
关键词:常微分方程 渐近行为 非线性 
The Impulsive Solution for a Semi-linear Singularly Perturbed Differential-difference Equation被引量:1
《Acta Mathematicae Applicatae Sinica》2016年第2期333-342,共10页Ai-feng WANG Mei XU Ming-kang NI 
Supported by the National Natural Science Foundation of China(N.11501236,N.11471118,N.30921064 and 90820307),the Innovation Project in the Chinese Academ;Department of Mathematics,Shanghai Key Laboratory of PMMP,East China Normal University
The impulsive solution for a semi-linear singularly perturbed differential-difference equation is studied. Using the methods of boundary function and fractional steps, we construct the formula asymptotic expansion of ...
关键词:singularly perturbed differential-difference equation delay argument asymptotic expansion im-pulsive solution boundary function 
目标和干扰子之间的拓扑性质差异可以削弱拥挤效应(英文)
《生物化学与生物物理进展》2014年第2期146-152,共7页吴睿洁 王波 卓彦 
supported by grants from The Ministry of Science and Technology of China(2012CB825500,2010IM030800);The National Natural Science Foundation of China(30921064,91132302,90820307)~~
'拥挤效应'被认为是外周视觉物体辨认过程中的一个重要瓶颈.它是指当目标被干扰子包围,在外周视野呈现时,观察者辨认目标的能力被大大削弱,尤其是当目标和干扰子之间存在某种相似性时.许多研究分别试图在不同层次上提出解释这一现象的机...
关键词:拥挤效应 拓扑知觉 知觉组织 外周视觉 
Setup and data analysis for functional magnetic resonance imaging of awake cat visual cortex被引量:1
《Neuroscience Bulletin》2013年第5期588-602,共15页Manxiu Ma Chencan Qian Yanxia Li Zhentao Zuo Zuxiang Liu 
supported by grants from the Ministry of Science and Technology of China (2012CB825500, 2012IM030100, 2010IM030800);the National Natural Science Foundation of China (91132302, 90820307)
Functional magnetic resonance imaging(fMRI)is one of the most commonly used methods in cognitive neuroscience on humans.In recent decades,fMRI has also been used in the awake monkey experiments to localize functiona...
关键词:functional magnetic resonance imaging cat motion correction non-rigid motion 
SINGULARLY PERTURBED SEMI-LINEAR BOUNDARY VALUE PROBLEM WITH DISCONTINUOUS FUNCTION被引量:2
《Acta Mathematica Scientia》2012年第2期793-799,共7页丁海云 倪明康 林武忠 曹扬 
Supported by National Natural Science Foundation of China(11071075, 11171113);National Natural Science Foundation of China-subsidized by CAS Knowledge Innovation Project (30921064,90820307);Shang Natural Science Foundation(10ZR1409200);Division of Computational Science,E-institute of Shanghai Jiaotong University(E03004)
A class of singularly perturbed semi-linear boundary value problems with discontinuous functions is examined in this article. Using the boundary layer function method, the asymptotic solution of such a problem is give...
关键词:Singular perturbation asymptotic expansion boundary layer function in-variant manifold 
On higher-dimensional contrast structure of singularly perturbed Dirichlet problem被引量:4
《Science China Mathematics》2012年第3期495-507,共13页NI MingKang WANG ZhiMing 
supported by National Natural Science Foundation of China (Grant Nos. 11071075,11171113);the NSFC-the Knowledge Innovation Program of the Chinese Academy of Science(Grant Nos. 30921064,90820307);Shanghai Municipal Natural Science Foundation (Grant Nos. 10ZR1409200,11ZR1410200);E-Institutes of the Shanghai Municipal Education Commission (Grant No. N.E03004)
In this paper,we address the existence and asymptotic analysis of higher-dimensional contrast structure of singularly perturbed Dirichlet problem.Based on the existence,an asymptotical analysis of a steplike contrast ...
关键词:higher-dimensional contrast structure singular perturbation internal layer heteroclinic orbit 
海马参与工作记忆目标匹配增强及其时间过程--基于颅内脑电的研究被引量:1
《生物化学与生物物理进展》2011年第11期1027-1035,共9页倪兵 钱晨灿 吴睿洁 朱宏伟 刘祖祥 李勇杰 
北京市自然科学基金(5082008);国家重点基础研究发展计划(973)(2005CB522800,2004CB318101);国家自然科学基金(30621004,90820307)资助项目~~
已有的研究结果表明,海马参与记忆的编码和提取,并且它会受到新发生事件与已存储记忆匹配或者不匹配的影响.先前的功能磁共振研究报道,在延迟匹配任务中,目标匹配增强作为一种工作记忆成分,与物体性质和位置的整合有关,能够显著地激活...
关键词:工作记忆 海马 匹配增强 颅内脑电 事件相关电位 
Motion speed modulates walking direction discrimination: The role of the feet in biological motion perception被引量:1
《Chinese Science Bulletin》2011年第19期2025-2030,共6页CAI Peng YANG XiaoYing CHEN Lin JIANG Yi 
supported by the National Basic Research Program of China (2011CB711000);the Knowledge Innovation Program of Chinese Academy of Sciences (09CX202020);the National Natural Science Foundation of China (30921064, 31070903 and 90820307)
The human visual system is tuned to the motions of biological entities, which provide potentially vital information for survival. The current study examines the interplay between motion speed and motion direction perc...
关键词:行走方向 运动知觉 速度调节 生物 运动速度 运动方向 视觉系统 相互作用 
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