acous相关论文
这里，我们报导在 2008 年 5 月 12 日在 06:28 UT 在大 Wenchuan 地震以后在中国通过一个 GPS 网络观察的 coseismic ionospheric ......
Bandgap calculation for mixed in-plane waves in 2D phononic crystals based on Dirichlet-to-Neumann m
In this paper, a method based on the Dirichlet-to-Neumann map is developed for bandgap calculation of mixed in-plane wav......
想听到美妙的3D声音吗?Diamond公司的扬声器能发出最佳的3D声音,相比之下,Labtec公司的同类产品则显得有些逊色。 在音质方面,售......
We aim to establish a model of the averaged hole mobility of strained Si grown on(001),(101),and (111) relaxed Si_(1-x)G......
Propagation characteristics of surface acoustic waves(SAWs) in ZnO films/glass substrates are theoretically investigated......
A new estimation method of maximum intensity, such as I spta in CW and I sppa in PW, in high intensity......
Flexible polyurethane (PU) foams with different load-ing mass fraction (0%-2.0%) of fumed silica were synthesized by fre......
Based on the coupled boundary element method-finite element method(BEM-FEM)method and the acoustic transfer vector(ATV)t......
“Real-Time Speech Recognition System”(RTSRS),developed by Institute of Acous-tics Academia SINICA,was honored by an i......
Evaluation on Structure Damage Due to Heavy Rain in Hard Composite Rock-mass in Subsidence Area Based on the displacemen......
The pulse tube cooler has no cryogenic displacer andhas attracted lots of attention in the field of cryocoolerresearch. ......
Measurement of the fluidized velocity in gas-solid fluidized beds based on AE signal analysis by wav
An energy distribution theory was presented based on regular evolvement of energy fraction of acous-tic signals with flu......
声鼻测量法(acoustic rhinometry)是一种测量鼻腔和上咽部几何形状的新方法。仪器由发声装置、放大器、滤波器和计算机等几部分组......
Noninvasive treatment efficacy monitoring and dose control for high-intensity focused ultrasound the
As an effective therapeutic modality, high-intensity focused ultrasound(HIFU) can destroy tumour tissues by thermocoagul......
We measured in the laboratory compressional wave velocity and electrical resistivity on 434 sediment samples collected f......
Containerless treatment of Bi-58.5at%Ga hypermonotectic alloy is successfully performed with acous-tic levitation techni......
复古的潮流!2001年7月索尼推出样式复古的909系列MD,不再用质量轻盈的镁、铝等合金做为MD的外壳,在设计上也非常鲜明的突出了金属......
2016年9月29日是中国科学院院士、IEEE学会终身会士、中国科学院声学研究所特聘研究员侯朝焕先生八十华诞。先生虽然已至杖朝之年,......
Multiple|tone interference is a kind of narrow band interference appears in Direct Sequence (DS) Spread Spectrum (SS) co......
The 11th ICA organized by the French-Speaking Acousticians’Association,under thePatronage of the Acoustics Committee of......
0.General;1.Physical acoustics,2.Underwater sound;3.Mechanical vibration and shock;4.Noise and noise control;5.Ultrasoni......
RESEARCH AND TECHNICAL NOTES DIFFRACTION BY HALF SCREEN WITH FINITE ACOUSTIC IMPEDANCE——A MODIFICATI
A modification to an existing empirical solution of diffraction by a half screen with a finite acous-tic impedance is pr......
Beijing Theater,with a capacity of 1,000 seats,is a multi-purpose theater mainly for dramatic performances.To meet the a......
This paper proposes a denoising algorithm called truncated sparse decomposition(TSD) algorithm,which combines the advant......
A fast algorithm of sound propagation in three dimensional underwater environments is presented. On the basis of the ge......
A kind of piezoresistive ultrasonic sensor based on MEMS is proposed,which is composed of a membrane and two side beams.......
煤炭地下气化是将地下煤炭通过热化学反应在原地转化为可燃气体的技术。但因为在地下,燃烧区域很难监测。本实验依据通过监测煤样......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
为了提高水下声探测能力,提出基于高速DSP的水下声探测系统设计方法,水下声探测系统包括信号采集模块、声回波检测模块、滤波模块......
分别对自然和自然饱水状态下冷冻处理后及未经冷冻处理的煤样开展单轴压缩声发射试验,分析了煤样的强度及变形特征,并对加载过程中......
设计了基于声发射技术的管道泄漏检测无线智能传感器。它将智能化功能结合到传感器中一进行了敏感元件的选型、硬件电路和传感器外......
提出了一种利用声能进行管道智能化检测的方法和技术，分析了管道内的流体发声原理，并对管道各种缺陷造成的波动特征和检测原理进行了......
基于声频共振测试原理,以Labview为开发平台,构建了一种新的高温弹性模量测试平台。该测试平台采用了动态链接库技术来完成数据采......
在跨声速风洞中研究了声激励对于可压缩流中细长旋成体大迎角流动非对称性的影响效果.结果表明,在可压缩流场中,声激励对于细长体......
基于数值模拟技术及有关振动理论，提出了一种建立液体火箭发动机燃烧室声腔模型的方法。为验证方法的可行性，建立了用于带声腔燃烧室......
目的:探讨超声弹性成像技术对乳腺肿块的定性诊断价值。方法:对130例患者共141个乳腺肿块行助力式弹性成像(CUE)检查,分析UE弹性图......
重型商用车驾驶室内噪声主要以中低频结构噪声为主,为确定驾驶室内结构噪声的主要贡献部件,建立重型商用车驾驶室有限元模型,通过......
利用声发射测试和单轴压缩试验相结合的方法,研究了河南焦作矿区的石灰岩在100-800°C高温压缩破坏条件下的声发射过程,结合不......
研究了掺入体积掺量为1.0%、1.5%和2.0%未经油化处理的聚乙烯醇(PVA)纤维对碱激发矿渣砂浆板弯曲性能的影响.同时,利用声发射(AE)......
为了考察航天员对载人飞船泄复压过程中轨道舱内噪声环境的适应性,在km6水平舱进行了相应的模拟试验,对轨道舱中的噪声环境进行了......
设计了开心果碰撞声分拣试验装置,以开闭口果碰撞声的综合对数衰减率之差为判断依据,分析对比了传声器位置、开心果下落高度及碰撞......
我们选用x=0,0.14,0.36,0.54,和0.92的Y3-xBixFe5O12系列单晶，开展了比早期实验更为深入的布里渊散射研究。实验发现对于Bi-YIC晶体......
通过把光斑近似成菱形,把声场近似成阶跃函数找出了倒空效率和时间的函数关系式,在此基础上,建立了一个完整的声光腔倒空激光器的......
针对超薄型Al2O3易碎加工难的问题，提出激光微加工的方法。阐述了激光微加工的原理，通过声光调节激光器的品质因子Q值获取激光巨脉冲......
提出了基于multi-SVDD(multi-Support vector data description)的水下航行器噪声源识别的方法,避免了传统噪声源识别方法无法识别......
期刊
利用有限元和间接边界元的声振耦合方程同时计算结构表面的振动和相应的辐射声场,将结构的物理坐标转化成模态基本量来表示,对完全......
目的: 探讨反复短暂缺血剌激导致缺血预适应(IP)对心肌毛细血管床功能的影响.方法: 复制套扎前降支冠状动脉犬模型.IP组给予缺血5 ......
在裂缝、孔洞型储层评价过程中，如何对裂缝与溶蚀孔洞及其有效性进行识别与判断一直是测井解释的一个难点。针对四川盆地川东北地区......
