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noise sound
相关语句
  噪声
     The Design and Implementation of High Precision and Low Noise Sound Sensor Node
     高精度低噪声声音传感器节点的设计与实现
短句来源
     Prediction of Cutting Noise Sound Power from Large Size Cold Saw Machine
     大型冷锯机锯切噪声声功率的预估
短句来源
     By applying the engineering method and the simple method, We tested the power level of the noise sound in the inner combustion of Hunan Engine Factory's 6105Q-1C type diesel vehicle engine, compared its noise performance with that of other engines of the same type, and evaluated its overall performance.
     采用内燃机噪声声功率级测定的工程法和简易法对湖南动力机厂的6105Q-1C型车用柴油机进行了噪声声功率级的测试.
短句来源
     MANAGING WAY OF SEVERAL TYPICAL MACHINE TOOL NOISE SOUND
     几种典型机床噪声的治理
短句来源
     The test shows that the noise sound power level of the diesel in standard situation is 113 dB(A),which is lower than the limit of China′s medium-size diesel engines and that of the same products in China.
     测试发现,该柴油机在标定工况下的噪声声功率级为113dB(A),已满足国际规定要求,并且低于我国中小型功率柴油机噪声限值及国内同类机型产品的噪声值.
短句来源
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  噪声声
     Prediction of Cutting Noise Sound Power from Large Size Cold Saw Machine
     大型冷锯机锯切噪声声功率的预估
短句来源
     By applying the engineering method and the simple method, We tested the power level of the noise sound in the inner combustion of Hunan Engine Factory's 6105Q-1C type diesel vehicle engine, compared its noise performance with that of other engines of the same type, and evaluated its overall performance.
     采用内燃机噪声声功率级测定的工程法和简易法对湖南动力机厂的6105Q-1C型车用柴油机进行了噪声声功率级的测试.
短句来源
     The test shows that the noise sound power level of the diesel in standard situation is 113 dB(A),which is lower than the limit of China′s medium-size diesel engines and that of the same products in China.
     测试发现,该柴油机在标定工况下的噪声声功率级为113dB(A),已满足国际规定要求,并且低于我国中小型功率柴油机噪声限值及国内同类机型产品的噪声值.
短句来源
     In this article some acoustic characteristic indices of maximum pink noise sound pressure level, frequency transmission characteristic, sound transmission gain, non-uniformity of sound field and distortions, are recommended.
     本文对厅堂扩声系统的最大粉红噪声声压级、传输频率特性、传声增益、声场不均匀度、失真等声学特性指标提出建议。
短句来源
     The conventional method for the analysis of the interior field noise sound level of the complicated structure is very difficulty, but the finite element method provides a very powerful methodology for analyzing vibration and acoustic problems with complicated geometry and boundary conditions. Therefore, this method can be used to acoustic-structural coupled system and to accomplish the theoretical analysis and prediction of noise response during design stages and provide the sound design basis for the analysis of the acoustic-structural coupling system.
     传统理论方法对复杂结构的内场噪声声压级进行预估非常困难,而有限元等方法则可以对几何形状和边界条件复杂的振动问题和声学问题进行数值分析,将其用于声场-结构耦合系统分析,可在设计阶段实现噪声响应的理论分析与预测,为声振耦合特性的分析研究提供声学设计的基础。
短句来源
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  “noise sound”译为未确定词的双语例句
     The intelligent acoustic quantification (AQi) was based on the backscatter radiation , AQi can recognize the endocardium automatically, identify the tissue and blood or the noise sound at the real time, distinguish the tissue from the blood precisely.
     智能声学定量技术(AQi)是在背向散射基础上,自动识别心内膜,实时鉴别组织和血液、噪音信号,较准确地将组织和血液区分开来。
短句来源
     This paper describes the application of multimedia to electric power plant simulation. It introduces the programming mehtod of the following functions: furnace flame, drum level, environment noise, sound alarm, operation guidance and local operation scene.
     应用多媒体技术可实现炉膛火焰监视、汽包水位监视、控制室环境声音、语音报警、操作指导功能的仿真和就地操作场景仿真。
短句来源
     According to technical requirements for the sets of suppressing the noise,sound insulation house is designed and made,whose value of suppressing the noise is 32dB(A).
     根据对该降噪装置的技术要求 ,所设计制造完成的隔声房降噪量达 3 2dB(A)。
短句来源
     As an application, combining software and hardware, all kinds of weight noise sound level measurement and real-time noise octave analyzes realized synchronously.
     虚拟式声强分析仪以傅里叶变换为基础,利用软件和硬件相结合的方法实现了对总声强级及其相应倍频程的实时测量和分析。
短句来源
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  noise sound
This function is derived from the response of an auditory-nerve fibre to a white-noise sound stimulus.
      
3).4.The relationship between the instantaneous spike frequency in the A1 afferent and that recorded simultaneously in neurone 501 is linear over the entire range of A1 spike frequencies evoked by white noise sound stimuli (Fig.
      
The noise/sound reverberation actually occurs between the vehicle and reflective walls, which degrades sound abatement performance.
      
One example is that a 25 mm increase in tyre width will increase the rolling noise sound power level by about 1 dB.
      
Noise/sound correlators are used to examine the sound generated by leaks at erent positions on the pipe network.
      
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In this article some acoustic characteristic indices of maximum pink noise sound pressure level, frequency transmission characteristic, sound transmission gain, non-uniformity of sound field and distortions, are recommended. They are based on measurements together with the evaluation of existing equipments and the operational performance of the electroacoustic facilities which are available in China. Some experimental results and the state-of -theatre that have been achieved abroad are also...

In this article some acoustic characteristic indices of maximum pink noise sound pressure level, frequency transmission characteristic, sound transmission gain, non-uniformity of sound field and distortions, are recommended. They are based on measurements together with the evaluation of existing equipments and the operational performance of the electroacoustic facilities which are available in China. Some experimental results and the state-of -theatre that have been achieved abroad are also taken into consideration. For the time being the different levels of the acoustic characteristic indices as standard of speech or performance system are preferable.

本文对厅堂扩声系统的最大粉红噪声声压级、传输频率特性、传声增益、声场不均匀度、失真等声学特性指标提出建议。它是以一些测量和使用效果的评价以及我国电声设备达到的使用特性为基础,还考虑了某些实验结果和国外达到的水平。当前对语言或演出用的扩声系统采用不同等级的声学特性指标是可取的。

There are six parameters of the indoor design calculation for comfort air conditioning. They are air velocity, relative humidity, air temperature, outdoor air requirement, noise sound level and dust concentration in air, which deal with thermal comfort standard and health criteria. According. to the problems which were appeared in investigation and measurement, on the basis of primary theoretical calculation and analysis, and reference of the international, home and abroad standards, the recommended values...

There are six parameters of the indoor design calculation for comfort air conditioning. They are air velocity, relative humidity, air temperature, outdoor air requirement, noise sound level and dust concentration in air, which deal with thermal comfort standard and health criteria. According. to the problems which were appeared in investigation and measurement, on the basis of primary theoretical calculation and analysis, and reference of the international, home and abroad standards, the recommended values for six parameters were given in this paper. They will be reference data for designing air conditioning engineering in high-rise building and working out relevant standards and codes.

在舒适性空调中,涉及到热舒适标准与卫生要求的室内设计计算参数有六项:风速、空气相对湿度、温度、新风量、噪声声级、含尘量。本文针对调查测定中所遇到的问题,在一定的理论计算分析基础上,参考有关国际标准,国外标准,国内标准,对上述六项参数提出了具体的推荐值,以供高层建筑空调设计和制订有关标准、规范时参考。

The concept of image walls as a counterpart of the well known image source concept is introduced and applied to the calculation of traffic noise levels under reverberant conditions like in a long linear street tunnel or in urban streets. According to this concept a traffic stream of equally spaced vehicles with identical acoustic power output is equivalent to just one source situated between a pair of rigid image walls. This pair of walls, together with the tunnel's boundaries form an enclosure for which the...

The concept of image walls as a counterpart of the well known image source concept is introduced and applied to the calculation of traffic noise levels under reverberant conditions like in a long linear street tunnel or in urban streets. According to this concept a traffic stream of equally spaced vehicles with identical acoustic power output is equivalent to just one source situated between a pair of rigid image walls. This pair of walls, together with the tunnel's boundaries form an enclosure for which the classical formulae frorm room acoustics may be used for calculating the reverberant traffic noise sound pressure levels. Two application examples are given and compared with measured data.

本文提出“虚墙”法作为众所周知的虚声源法的对偶,并将它应用于车行隧道和城市街道等混响声场的交通噪声计算。根据这个概念,由单车种等间距分布的车流所产生的声场可等效于位于—对假想的刚硬墙壁之间的单一车辆所产生的声场。这对虚墙与隧道或街道的边界形成一个围闭空间,使得经典室内声压级计算公式可以应用于计算交通噪声混响声压级。本文还给出两个应用实例与实测数据相比较。

 
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