国家重点基础研究发展计划(2012CB921504)

作品数:41被引量:87H指数:5
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相关作者:刘晓宙张淑仪龚秀芬刘晓峻陶超更多>>
相关机构:南京大学教育部江苏大学中国科学院更多>>
相关期刊:《Science China(Physics,Mechanics & Astronomy)》《南京大学学报(自然科学版)》《Chinese Physics B》《Chinese Journal of Acoustics》更多>>
相关主题:ACOUSTIC光声成像ENHANCEMENTTRANSMISSIONLIMITED更多>>
相关领域:理学一般工业技术自动化与计算机技术电子电信更多>>
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Study of Cadmium-Doped Zinc Oxide Nanocrystals with Composition and Size Dependent Band Gaps被引量:1
《Chinese Journal of Chemical Physics》2018年第2期197-202,246,共7页Hai-xiao Zhang Yue-tao Yang Xiao-jun Liu 
supported by the National Basic Research Program of China (No.2012CB921504);the National Natural Science Foundation of China (No.11074127)
Cadrniurn-doped zinc oxide nanocrystals in the quantum confinement region have been firstly synthesized by a fast and facile sonochernical method. The alloyed structure of the nanocrystals is confirmed by X-ray diflra...
关键词:Alloyed nanocrystal Structure SPECTROSCOPY SONOCHEMISTRY 
低频声波的定向辐射被引量:2
《物理》2017年第10期669-676,共8页刘晓宙 全力 丁二亮 鲁庚熹 
国家重点研发计划(批准号:2017YFA0303702);国家重点基础研究发展计划(批准号:2012CB921504);国家自然科学基金(批准号:11474160)资助项目
实现低频声波在空间中的定向传播,是一个迫切需要解决的关键科学问题。为实现低频声波的定向传播,要考虑影响声波指向性的因素:声源辐射面积、辐射面结构和所辐射声波的频率。而影响声波传播的因素有:(1)媒质的性质,例如声阻抗、声衰减;...
关键词:低频声波 边界条件 Mie共振结构 
Acoustic-electromagnetic slow waves in a periodical defective piezoelectric slab
《Chinese Physics B》2017年第7期207-211,共5页李小娟 葛欢 范理 张淑仪 张辉 丁劲 
Project supported by the National Basic Research Program of China(Grant No.2012CB921504);the National Natural Science Foundation of China(Grant Nos.11374154,10904067,and 11174142);the Natural Science Foundation of Jiangsu Province of China(Grant No.BK20151375);the Special Fund for Research in Quality Inspection of Public Welfare Industry,China(Grant No.201510068)
Coupled slow waves, slow acoustic waves, and electromagnetic waves are simultaneously achieved based on a piezoelectric material, in which a line defect is created within a honeycomb lattice array of cylindrical holes...
关键词:piezoelectric material phononic crystals group velocity slow wave 
Propagation characteristics of laser-generated like-Rayleigh waves in viscoelastic adhesive coating/substrate structures被引量:1
《Chinese Journal of Acoustics》2016年第4期516-529,共14页GUAN Yijun SUN Hongxiang YUAN Shouqi ZHANG Shuyi GE Yong 
supported by National Basic Research Program of China(2012CB921504);Major Program of National Natural Science Foundation of China(51239005);National Natural Science Foundation of China(11404147,11174142);Natural Science Foundation of Jiangsu Province(BK20140519);China Postdoctoral Science Foundation(2015M571672);Research Fund for Advanced Talents of Jiangsu University(11JDG118);Training Project of Young Backbone Teachers of Jiangsu University
The propagation characteristics of laser-generated like-Rayleigh waves in viscoelastic adhesive coating/substrate structures were studied.Considering the viscoelasticity of the coating and substrate,we have establishe...
关键词:Propagation characteristics of laser-generated like-Rayleigh waves in viscoelastic adhesive coating/substrate structures 
Controls of pass-bands in asymmetric acoustic transmission
《Chinese Physics B》2016年第12期92-97,共6页孙宏祥 张淑仪 袁寿其 
Project supported by the National Basic Research Program of China(Grant No.2012CB921504);the Major Program of the National Natural Science Foundation of China(Grant No.51239005);the National Natural Science Foundation of China(Grant Nos.11174142 and 11404147);the Natural Science Foundation of Jiangsu Province,China(Grant No.BK20140519);the China Postdoctoral Science Foundation(Grant No.2015M571672);the Training Project of Young Backbone Teachers of Jiangsu University,China;the Research Fund for Advanced Talents of Jiangsu University,China(Grant No.13JDG106)
The controls of the pass-bands in an asymmetric acoustic transmission system are investigated numerically and ex- perimentally, and the system consists of a periodical rectangular grating and two uniform brass plates ...
关键词:asymmetric acoustic transmission pass-band control grating diffraction Lamb mode 
Improving the performance of acoustic invisibility with multilayer structure based on scattering analysis
《Chinese Physics B》2016年第12期9-16,共8页蔡琛 袁樱 阚威威 杨京 邹欣晔 
Project supported by the National Natural Science Foundation of China(Grant Nos.11274168,11374157,11174138,11174139,11222442,and 81127901);the National Basic Research Program of China(Grant Nos.2010CB327803 and 2012CB921504)
In this paper, acoustic scattering from the system comprised of a cloaked object and the multilayer cloak with only one single pair of isotropic media is analyzed with a recursive numerical method. The designed acoust...
关键词:METAMATERIALS acoustic cloaking SCATTERING INVISIBILITY 
An acoustic bending waveguide designed by anisotropic density-near-zero metamaterial
《Chinese Physics B》2016年第12期32-35,共4页王洋洋 丁二亮 刘晓宙 龚秀芬 
Project supported by the National Basic Research Program of China(Grant No.2012CB921504);the National Natural Science Foundation of China(Grant No.11474160);the Fundamental Research Funds for the Central Universities,China(Grant No.020414380001);the State Key Laboratory of Acoustics,Chinese Academy of Sciences(Grant No.SKLA201609);the Priority Academic Program Development of Jiangsu Higher Education Institution,China
Anisotropic metamaterial with only one component of the mass density tensor near zero (ADNZ) is proposed to control the sound wave propagation. We find that such an anisotropic metamaterial can be used to realize pe...
关键词:acoustic bending waveguide anisotropic metamaterials mass density tensor near zero 
黏弹性胶粘涂层-基底结构中激光激发类瑞利波的传播特性被引量:2
《声学学报》2016年第5期575-584,共10页管义钧 孙宏祥 袁寿其 张淑仪 葛勇 
国家重点基础研究发展计划项目(2012CB921504);国家自然科学重点基金项目(51239005);国家自然科学基金项目(11174142;11404147);江苏省自然科学基金项目(BK20140519);中国博士后基金项目(2015M571672);江苏大学高级人才基金项目(11JDG118)和江苏大学青年骨干教师培养工程项目资助
研究黏弹性胶粘涂层/基底结构中激光激发类瑞利波的传播特性。考虑涂层及基底的黏弹性,在频域中建立环氧树脂涂层/铝基底、环氧树脂涂层/铜基底、环氧树脂涂层/泡沫基底等结构中激光激发类瑞利波的有限元数值模型,研究类瑞利波的波形及...
关键词:波传播特性 基底结构 胶粘涂层 激光激发 瑞利波 黏弹性 环氧树脂涂层 衰减曲线 
利用先验估计自适应加窗的准静态超声弹性成像位移估计算法被引量:3
《声学学报》2016年第5期597-604,共8页欧阳灵 刘晓宙 刘杰惠 龚秀芬 
国家重点基础研究发展计划(2012CB921504);国家自然科学基金(11274166);声场声信息国家重实验室开放课题(SKLA201609)资助
准静态弹性成像技术是基于组织压缩前和压缩后超声回波射频信号进行组织运动重构的弹性成像技术。提出了一种基于先验估计的自适应窗函数算法,在位移估计过程中,使用已估计的临近窗的时延值作为先验信息,自动调整截取压缩后射频信号段...
关键词:超声弹性成像 估计算法 先验估计 自适应窗 位移估计 加窗 准静态 利用 
An acoustic Maxwell's fish-eye lens based on gradient-index metamaterials被引量:2
《Chinese Physics B》2016年第10期178-181,共4页袁保国 田野 程营 刘晓峻 
supported by the National Basic Research Program of China(Grant No.2012CB921504);the National Natural Science Foundation of China(Grant Nos.11574148,11474162,1274171,11674172,and 11674175);the Specialized Research Fund for the Doctoral Program of Higher Education,China(Grant Nos.20110091120040 and 20120091110001)
We have proposed a two-dimensional acoustic Maxwell’s fish-eye lens by using the gradient-index metamaterials with space-coiling units. By adjusting the structural parameters of the units, the refractive index can be...
关键词:gradient index Maxwell's fish-eye acoustic lens BROADBAND 
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