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声场     
相关语句
  sound field
     Finite Element Analysis on the Three-dimensional Sound Field in the Workshop of Type 6HHE-VE6 Compressor
     6HHE-VE6型压缩机厂房三维声场的有限元分析
短句来源
     For the experimental system, the sound field parameters have an optimal scope, which includes that frequency is 20~25 kHz, sound intensity is 0.2 to 0.4 W/cm 2, pulse width is more than 10ms, the irradiation times is higher than 3 min, the intermittent ratio is 3 to 5. the parameters chosen in the experiment provide a basis for field application, and obvious effects are achieved in the field.
     对本实验系统而言,声场参数有一个最佳范围,频率20~25kHz、声强0.2~0.4W/cm2、脉冲宽度大于10ms、声辐照时间大于3min、间歇比3~5。 实验优选出的参数为现场应用提供了依据,并在现场取得了明显的效果。
短句来源
     ②When the cylinder is excited at φ=0 by a harmonic(f=10~1 010Hz) line radial force uniformly distributing along the generator,the directivity pattern of the sound field(r=10a) is between "∞"pattern and "∞"and "8"superposeition pattern.
     ②圆柱壳在φ=0处受沿母线方向均匀分布的简谐(f=10~1 010Hz)线力激励时,水中辐射声场的指向性(r=10a)介于“∞”型和“∞”和“8”叠加的形状之间。
短句来源
     Study of sound field for a standing wave tube system with a Helmholtz Resonator
     具有Helmholtz共振器的驻波管系统声场的研究
     Experimental study of sound field in a standing wave tube with flow and lateral Helmholtz resonator
     具有流动和侧向Helmholtz共振器的驻波管内声场实验研究
更多       
  acoustic field
     Analysis of 1.25D, 1.5D and 1.75D ultrasonic phased array focused acoustic field
     1.25D、1.5D和1.75D超声相控阵列聚焦声场分析
     The conventional method of modal analysis doesn't take the acoustic structural coupled factors into account for the control of vehicle interior noise generated by the interaction of structural vibration and acoustic field.
     车内噪声中的结构噪声是由车身结构振动与车内空腔声场的耦合产生的 ,传统的振动模态分析方法在针对车内噪声控制时由于没有考虑这种耦合特性而存在很大的局限性。
短句来源
     Parallel Calculation and Simulation of Bessel Acoustic Field
     Bessel声场的并行计算和仿真
短句来源
     wavenumber integration method of acoustic field and numerical computation
     声场波数积分方法和数值计算
     Ocean acoustic field prediction and tactical application
     海洋声场预报及战术应用
短句来源
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  sonic field
     Influence of Sonic Field on Growth of Sucrose Crystals
     声场对蔗糖晶体生长的影响
短句来源
     Under the condition of the inhalable particles of burned coal being subject to the action of a high intensity sonic field studied was the impact of different acoustic intensity and particle retention time in sonic field on the change of particle diameter distribution prior to and after the acoustic agglomeration.
     研究了燃煤可吸入颗粒物在高强度声波场作用下,不同声波强度和声场停留时间对于声波团聚前后颗粒粒径分布变化的影响。
短句来源
     This lecture simply introduces the relation between wave and vibration, the classification of ultrasonicwave, the trarsmission character of ultrasonicwave and the sonic field characteristic parameters.
     简要介绍了波与振动的关系,超声波的分类,超声波的传播特性与声场特征量。
短句来源
     The temperature of the sugar saturated solution is decreased from 60℃ to 40℃quickly, and the solut ion is affected by sonic field, the stabillty of sugar saturatedsolution drops.
     将60℃下的过饱和糖液迅速冷却至40℃,并附加一个声场,过饱和糖液的稳定性降低。
短句来源
     Through a theoretical analysis of a plane standing-wave sonic field a test rig on acoustic agglomeration and removal characteristics of burned coal inhalable particles has been designed and set up.
     通过对平面驻波声场的理论分析,设计并建立了燃煤可吸入颗粒物声波团聚清除特性的实验台。
短句来源
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  sound fields
     Analysis of sound fields for a sound reproduction system with three loudspeakers
     一种三扬声器重发系统声场分析
短句来源
     With binaural fitting Triano S(Dual-microphone mode) and Triano 3(Tri-microphone mode), they were tested with speechrecognition in two different sound fields through PB test and investigated by means of questionnaire.
     两组患者双耳配戴实验用两款西门子助听器Triano S(双麦克风指向性模式)和Triano 3(三麦克风指向性模式)耳背机,每款助听器配戴并适应一个月以后,在两个不同的声场中采用言语测试单词予言语分辨率测试,此外结合调查问卷进行评估。
短句来源
     Theoretical Study and Design of a Combined Auralization and Visualization System for En-closed Sound Fields
     封闭声场视听一体化系统理论研究与系统设计
短句来源
     The diffracted sound fields induced by fluid noise of underwater vehicle
     水下航行器流体动力噪声绕射声场研究
     Results Significant differences were found between the mean L50(the S/N at which 50% of running speech is correctly understood) obtained from group A versus group B in Tri-microphone adaptive directional condition in multiple sound fields(P<0.01).
     结果声场评估:两组受试者在配戴助听器3个月后声源定位能力有明显差异,使用频率特异性三麦克风自适应指向性模式者复合噪声源声场中测出L50值,明显低于使用三麦克风自适应指向性模式者(P<0.01);
短句来源
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  sound field
The mean force acting on a small body in an axisymmetric sound field in a real medium
      
The time-average velocity fields of the two-dimensional jet and the intensity of its sound field are in reasonable agreement with the available data.
      
An anomalous displacement of the equivalent dipole source to a region far downstream of the cylinder is found using the method of azimuthal decomposition of the sound field.
      
Numerical calculation of the correlation moments of the sound field scattered by a rough surface
      
Numerically calculated two-dimensional correlation moments of the surface-scattered sound field are presented in the form of correlation surfaces and analyzed.
      
更多          
  acoustic field
Stability of a tangential discontinuity of velocity in an acoustic field
      
Interaction between a supersonic jet and an acoustic field
      
Experimental dependences of the mean velocity and the longitudinal intensity of the turbulence are presented as a function of different parameters for both the unperturbed flow and for the flow in the acoustic field.
      
On the effect of an acoustic field, directed along a jet axis, on the jet
      
In [1] the more general problem of interaction of a supersonic jet with an external acoustic field is also formulated, which is in complete correspondence with the physical scheme of the phenomena developed in that article.
      
更多          
  sonic field
Convective heat transfer in response to a sonic field in saturated sand
      
Milk droplets with uniform dimensions are also produced by creating a sonic field at a constant frequency in the vicinity of the atomizer.
      
With the objective of a preferably diffuse distributed sonic field we applied frequency modulated ultrasound to the material.
      
  sound fields
Comprehensive studies of sound fields in the Kuril-Kamchatka region of the northwestern Pacific
      
The technique, experimental conditions, and main results of comprehensive studies of sound fields in the northwestern region of the Pacific Ocean are presented.
      
The power-frequency, space-time, and correlation characteristics of the sound fields are studied in sonic and infrasonic frequency bands for long-and extra-long-range propagation with the use of cw and explosion-generated sound signals.
      
The role of front zones in the formation of sound fields received at the coastal shelf and in the open ocean is revealed.
      
Results of numerical simulation of the total and coherent sound fields and the coherence parameter for a multimode acoustic signal excited by a monochromatic sound source and propagating in an irregular arctic waveguide are presented.
      
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