1)sound transmission loss隔声量
1.A new method of sound transmission loss measurement using a modified four-microphone impedance tube was proposed in this paper to investigate the microporous membrane s acoustic performance.为研究微孔薄膜材料的透声性能,搭建了改进的四传声器阻抗管隔声量测试系统,推导了阻抗管中隔声量的传递损失矩阵算法,此算法可以有效地分离隔声管中透射波与二次反射波,使测试结果不受隔声管末端材料吸声性能的影响,与原四传声器算法相比物理意义更明确。
2.FEM calculated the sound transmission loss and revealed the reasons that the sound transmission loss had dropped in resonance region.用有限元分析方法计算了圆形薄板在夹持和自由放置等情况下的振动模态,揭示了单层板在共振区隔声量下降的机制,并计算出试样在共振区的隔声量,与实验结果符合良好。
英文短句/例句
1.Study on Acoustic Transmission Loss in 4-channel Impedance Tube with Single-sensor单传声器四通道驻波管隔声量的测试研究
2.Stiffness Determination of Steel Keels for Predicting Sound Reduction Index of Double Panel Partitions双层轻板墙隔声量予计中对钢龙骨刚度的确定
3.Quality Controls of Decoration Construction of Acoustic Noise Material隔声吸声材料的装饰施工与质量控制
4.Measurement code for airborne sound insulation of dwellings住宅建筑空气隔声测量规范
5.Methods and Applications of Sound Absorption and Insulation Measurements Based on Transfer Functions;基于传递函数的吸声隔声测量方法与应用研究
6.sound control glass隔音玻璃，隔声玻璃
7.Influence of flanking transmission of filler wan in test opening on laboratory measurement of airborne sound insulation of building elements实验室隔声测量中试件洞填隙墙传声影响的检验
8.Researches on Novel Structure SAW Mass Sensor and Isolation Technologies of SAW Integrated Acoustic Path新结构声表面波质量传感器及声表面波集成声路隔离吸声技术的研究
9.Mearsurement of the Shunt Volume or Atrial Sepal Defect by Multiplane Transesophageal Echocardiography多平面经食道超声心动图测量房间隔缺损分流量
10.Analysis on high frequency vibration isolation of coupled sound cavity-structure model based on statistical energy method基于统计能量法的声场-结构耦合模型高频振动隔振分析
11.barrier correction屏障的隔声修正数值
12.Code for sound insulation design of civil buildings民用建筑隔声设计规范
13.correction for the effect of barrier屏障的隔声修正系数
14.Walls have ears. Don't speak loudly.隔墙有耳，不要大声讲。
15.The clatter of mahjong-tiles came from the dining-room next door.牌声从隔壁大餐间传来。
16.silencer(sound deadener)噪音消声器（隔音材料）
17.and by measuring the time interval between the taps and the receipt of the echoes,测出回声间隔的时间，
18.The laughter from the next room is very distracting.隔壁房间的笑声很吵人。
相关短句/例句
sound insulation隔声量
1.Based on the acoustical basic theory,a formula is derived to study sound insulation performance of plate in air with a steady flow.根据声学基本理论,具体推导了有流条件下匀质中间层隔声量的计算公式;详细讨论了流速影响隔声量的5种途径。
2.We compared and analyzed the influences on the sound Insulation of the wall under the circumstances of with glass wool between the panels or without it and by changing the layer amounts of the panels on the two side of the keels.从二层增加到四层,隔声量提高6dB;板墙中增加玻璃棉夹芯层,隔声量也提高6dB。
3.In addition,the authors also research on influence about radix board,add ons board ply and add ons board material for sound insulation quantity.利用统计能量法估算了有限结构复合阻尼钢板的隔声量 ,研究了基板、附加板厚度和附加板材料对隔声量的影响。
3)transmission loss隔声量
1.Introduces the principle of determination of acoustics transmission loss coefficient of materials by four-microphone method.介绍了在阻抗管中对材料的垂直入射隔声量的测试原理,详细介绍了使用四传感器法测试隔声量的测试方法。
4)high sound insulation高隔声量
5)Measurement of sound insulation隔声测量
6)weighted sound isolation计权隔声量
延伸阅读
声量【声量】 （术语）圣教量之异名。(参见：量)
