1)transmission loss传声损失
1.Measurement of transmission loss of a muffler based on transfer function基于传递函数的消声器传声损失测量技术研究
2.In order to reduce the noise of the engine s exhaust system,an improved muffler model is presented,and the transmission loss of both the former muffler and the modified muffler is calculated and compared.文章建立了排气消声器与发动机的耦合仿真模型,利用该模型对排气消声器的传声损失进行了计算,分析发动机的排气噪声。
3.Based on the use of finite element method and boundary element method,a model of sound transmission loss of single window is established.利用有限元和边界元方法建立了单层隔声窗传声损失(TransmissionLoss)的分析模型,在此基础上分析了不同厚度玻璃的隔声性能。
英文短句/例句
1.Measurement of transmission loss of a muffler based on transfer function基于传递函数的消声器传声损失测量技术研究
2.Measurement of Transmission Loss of Muffler Based on Corrected Transfer Function基于修正传递函数的消声器传声损失测量
3.The Optimal Design and Analysis Based on Transmission Loss of Double-Proof Window;基于传声损失的双层隔声窗结构参数的优化设计与分析
4.Through testing on muffler on a certain motor, the paper evaluates the static performance of sound transmission loss of the muffler.通过对某种发动机使用的消声器进行测试,对消声器的静态传声损失性能作出评价。
5.A Method of Acoustic Transmission Loss Calculated with Background Noise Removal-energy Summation一种用能量谱去噪声计算声传播损失的方法
6.Sea-bed acoustic parameters inversion by explosive sources and transmission loss由爆炸声源及传播损失反演海底声学参数
7.Study on Test Method of Transmission Loss of Vehicle Muffler汽车排气消声器传递损失试验方法的研究
8.Experimental Measurement and Analysis of Transmission Loss of Exhaust Silencers排气消声器传递损失的实验测量与分析
9.Data Processing Software Design of Sound Transmission Loss Based on DADiSP基于DADiSP的水声传播损失数据处理软件设计
10.Numerical Analysis of Transmission Loss of Mufflers with Complex Shape and Catalytic Converter带催化转化器消声器传递损失数值分析
11.Influence of shallow water internal solitary waveson ocean sound propagation and source allocation浅海孤立子内波对海洋声传播损失与声源定位的影响研究
12.sonar dome insertion loss声呐导流罩插入损失
13.sonar dome loss pattern声呐导流罩损失图案
14.The Change of Efferent System Functions of the Noise-induced Hearing Loss Patients;噪声性听力损失者听觉传出神经系统功能的改变
15.Uncertainty of Inverted Geoacoustics Parameters to Sound Transmission Loss Estimation反演海底参数的不确定性对声传播损失预报的影响
16.When the grievous news came, she was choked with tears.噩耗传来, 她痛哭失声。
17.To make(a hidden microphone, for example)ineffective.使失效使(例如,隐蔽的传声器)失去功用
18.an unquestionable (or unequivocal) loss of prestige.对声望毫无疑问的(确实的)损失。
相关短句/例句
Sound transmission loss传声损失
1.Through testing on muffler on a certain motor,the paper evaluates the static performance of sound transmission loss of the muffler.通过对某种发动机使用的消声器进行测试,对消声器的静态传声损失性能作出评价。
2.The influences of plate thickness,moment of inertia and spacing of stiffeners,boundary condition,plate material and angles of incidence of the plane wave on the sound transmission loss of the stiffened plate and the relationship between angles of incidence of the plane wave and.采用有限元法和Rayleigh积分建立了空气中嵌在无限大刚性障板上加筋板结构在简谐平面声波斜入射情况下的声传输计算模型 ,并研究分析了加筋板结构的板厚、肋骨惯性矩和间距、边界条件、板材和平面声波入射角度等对结构传声损失的影响以及平面声波入射角度与隔声低谷的关系 ,得到了一些有意义的结论 ,从而为揭示加筋板结构声传输特性 ,改善结构的隔声性能提供了一定的依据。
3.The sound transmission losse.数值计算表明 :结构的传声损失与结构的固有频率和激励频率密切相关 ,避免共振仍是首要的 ;改变板厚或肋骨惯性矩后 ,由于结构固有频率发生了变化会使得结构传声损失曲线上极小值的位置发生改变 ;当声波从空气经结构向空气中传递时 ,增大板厚或肋骨惯性矩可明显增大结构的传声损失 ;而当声波从空气经结构向水中传递时 ,增大板厚或肋骨惯性矩也增大了结构的传声损失 ,但效果明显不如当声波从空气经结构向空气中传递时显著。
3)acoustic propagation loss声传播损失
1.Analysis of acoustic propagation loss at oilwell port.;油井端口声传播损失分析
4)sound-transmission loss声音的传递损失
5)acoustic loss声损失(声)
6)conductive hearing loss传导性听力损失[声]
延伸阅读
声传1.指传闻之事。