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检索条件"任意字段=2011年全国压电和声波理论及器件应用研讨会"
187 条 记 录,以下是21-30 订阅
排序:
THE ALGRITHM OF DISPERSION FUNCTION OF RAYLEIGH WAVES' IN POROUS LAYERED HALF-SPACE
THE ALGRITHM OF DISPERSION FUNCTION OF RAYLEIGH WAVES' IN PO...
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2014全国压电和声理论器件应用研讨会
作者: Shou-guo YAN Fu-li XIE Bi-xing ZHANG Institute of Acoustics Chinese Academy of Sciences
Background,Motivation and Objective Porous formation is one of the most common formation in geophysical and engineering geophysical exploration,and one of the most important objects of oil and gas resources ***,gettin... 详细信息
来源: 评论
THEORETICAL MODELING AND OPTIMIZATION DESIGN OF HIGH FREQUENCY PIEZOELECTRIC POLYMER FILM HYDROPHONE ARRAY
THEORETICAL MODELING AND OPTIMIZATION DESIGN OF HIGH FREQUEN...
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2014全国压电和声理论器件应用研讨会
作者: Xin-ran XU Zhen-yu ZHENG Lin-lang BAI Hangzhou Applied Acoustics Research Institute
Background,Motivation and Objective The applications of high frequency sonar have increased in the last few decades,such as seafloor imagery and physical property *** the frequency increases the detection resolution i... 详细信息
来源: 评论
THE SUPPRESSION OF SECOND HARMONIC OF LOW SHAPE FACTOR OF SAW FILTER
THE SUPPRESSION OF SECOND HARMONIC OF LOW SHAPE FACTOR OF SA...
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2014全国压电和声理论器件应用研讨会
作者: Shun Jing LEI Zhi Juan ZHAO Ning Xia Sawtech Co. Ltd
Background,Motivation and Objective In order to realize low shape factor and high sideband rejection of surface acoustic wave(SAW)filter,huge number of interdigital transducers(IDTs)and apodization weighted function a... 详细信息
来源: 评论
SIMULATION OF THE MULTI-MORPH BENDER BAR
SIMULATION OF THE MULTI-MORPH BENDER BAR
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2014全国压电和声理论器件应用研讨会
作者: De-lin WU Dong WANG Institute of Acoustics Chinese Academy of Sciences University of Chinese Academy of Sciences
Background,Motivation and Objective In the well logging industry,it is desirable to measure formation shear velocity because it provides information important for the exploration and production of oil and *** a monopo... 详细信息
来源: 评论
RESEARCH ON THE GPU IMPLEMENTATION OF THE FDTD METHOD FOR THE TWO-DIMENSIONAL PHONONIC BAND STRUCTURE CALCULATIONS
RESEARCH ON THE GPU IMPLEMENTATION OF THE FDTD METHOD FOR TH...
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2014全国压电和声理论器件应用研讨会
作者: Shi-feng CHAI Xiao-xing SU School of Electronic and Information Engineering Beijing Jiaotong University
<正>Background,Motivation and Objective The band structure calculation is an important aspect of the theoretical studies of the phononic crystals(Pn Cs),*** kind of composite material with the periodic spatial var... 详细信息
来源: 评论
REFLECTION OF PLANE WAVES AT SURFACE OF ORTHOTROPIC PIEZOELECTRIC MATERIALS
REFLECTION OF PLANE WAVES AT SURFACE OF ORTHOTROPIC PIEZOELE...
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2014全国压电和声理论器件应用研讨会
作者: Yan-ping KONG Jin-xi LIU Beijing Jiaotong University Institutes of Engineering Mechanics Shijiazhuang Tiedao University Department of Engineering Mechanics
Background,Motivation and Objective Piezoelectric materials have found many applications in the area of signal processing,transduction,and frequency control,where transmission and reflection of wave energy at boundary... 详细信息
来源: 评论
DETECTION OF THE PLASTIC ZONE OF THE CRACK TIP BY THE NON-COLLINEAR MIXING METHOD
DETECTION OF THE PLASTIC ZONE OF THE CRACK TIP BY THE NON-CO...
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2014全国压电和声理论器件应用研讨会
作者: Hai-yang LI Zhi-wu AN Guo-xuan LIAN Xiao-min WANG State Key Laboratory of Acoustics Institute of AcousticsChinese Academy of Sciences
Background,Motivation and Objective The existence and propagation of cracks in solid materials are fatal for mechanical *** to the prior researches,critical stress is related the length of crack and the range of plast... 详细信息
来源: 评论
DESIGN AND MANUFACTURE OF COMBINED CO-VIBRATING VECTOR HYDROPHONES
DESIGN AND MANUFACTURE OF COMBINED CO-VIBRATING VECTOR HYDRO...
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2014全国压电和声理论器件应用研讨会
作者: Qin-dong SUN Xiang-jie SUN Navy Underwater Battlefield Environment Institution Navy Submarine Academy
Background,Motivation and Objective In recent years,there are problems of"shooting long range"whereas"where to shoot"for submarine-launched missiles in the deep sea,due to advances in vibration and... 详细信息
来源: 评论
SIMULATION OF AUTOMATIC SELETION IN MULTI-TARGET MEDIUM USING TIME REVERSAL MIRROR
SIMULATION OF AUTOMATIC SELETION IN MULTI-TARGET MEDIUM USIN...
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2014全国压电和声理论器件应用研讨会
作者: Zhe-fan PENG Chang SU Wei-jun LIN Institute of Acoustics Chinese Academy of Sciences
Background,Motivation and Objective The focusing of acoustic waves in inhomogeneous media is a common and difficult problem to *** focusing can be strongly degraded by sound speed variation and geometrical distortion ... 详细信息
来源: 评论
EFFECT OF TEMPERATURE ON THE FREQUENCY SHIFT OF FBAR
EFFECT OF TEMPERATURE ON THE FREQUENCY SHIFT OF FBAR
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2014全国压电和声理论器件应用研讨会
作者: De-jin HUANG Wen-liang Zhang Ji WANG The Faculty of Mechanical Engineering and Mechanics Ningbo University
Background,Motivation and Objective The piezoelectric thin film bulk acoustic resonators(FBARs)are new devices for frequency control device,oscillator *** devices exhibit several prominent advantages such as small siz... 详细信息
来源: 评论