查询词典 sound source

Air brick which is made of cement、clay、coal ash and coal waste has been the main architecture wall-material of development these years,with it's characters as light-quality、heat insulation and sound insulation,even more,it mades proper use of flotsams as well as saving soil-source.

空心砖是近年来发展的主要建筑墙体材料，它主要由水泥、粘土、粉煤灰、煤矸石等材料制作，质量轻，隔热隔音好，尤其种既合理利用了废料又节省土地资源。

Nevertheless,or exactly for that reason,it is the place that is still full of extreme neglect and even hostility toward the noise's aesthetic and political possibilities ,only the lives of every samll and minor activity that has its own aural qualities could not be accumulated and sustained here;the condition for listening to the sound of the collectives of the 'small poeple' and the 'tiny machines',under or maybe beyond the threshold of audibility ,dosesn't seem to be secured sufficiently.surely,this kind of problem is not confined in the particular locality like seoul,or south korea.anyway,this tension and the sense of the absence of condition,together,have been the main source of the two koren resident noise-making.

然而，或许更是因为，这是一个对噪音美学与政治的可能性充满轻蔑与敌视的地方，在这里，那些有自身听感氛围与质量的小众活动不能够集聚起来并很好的持续下去；对於那些倾心于此类音乐并集合在一起的"弱小个体"们和那些"微型机器"，必然是早就远离或超越了肤浅的旋律性和可听性的门槛，看起来并不能稳定地被安置，当然，此类问题不只被局限在一个小的局部，首尔，韩国，无论在哪，这一切产生的张力连同其状况本身，反复地显现在我们眼前，交织在一起，构成了两个韩国人创作原生噪音的来源。

The Phanthera V impresses with the same qualities as its cardioid only counterpart, bringing along a lively and intense sound quality and highlighting the sonic aspects of the source material in a subtle manner.

Phanthera V 的心型指向性给人以深刻的印象。长久发展以来，一个真实的声音和一个精致的外观在某种意义上讲是很难做到完美的。

The optimal collocated positions of secondary source with two microphones are studied and the separate of transfer function method that reduce the influence of acoustic feedback are developed based on plane wave transmission theory of sound and concept of transfer function in a duct. After, In order to identify the variation of the signals and find out individual correlation coefficient, cross correlation function analysis between primary noise signal and reference input signal is processed.

本文根据管道声场的平面波传递理论，进行第二声源与两个感测麦克风之间的位置配置研究，配合数位讯号处理的技术，发展出转移函数分离法，以消除声场回授的影响，之后，再将使用和未使用转移函数分离法的讯号个别与主要噪音源讯号做交互相关函数的运算处理，辨识讯号之间的差异，找出个别的相关性系数。

Position parameters were obtained from the simulation with the model of towed array.Based on the theory of radiated noise forming, the launch noise was simulated according to test condition in Laboratory,and the result showed the launch impulsion noise obeyed SαS distribution. The simulated noise attenuating in deep sea was analyzed with a sound loss translation model.Minimum variance distortionless response,spatially smoothed MVDR, and beam-space multiple signal classification algorithm were adopted to process the signal, hence the source level, the frequency structure and the location of the launch noise were achieved.

基于试验的实际情况，根据潜艇拖曳阵模型，仿真生成了各水听器阵元与本艇的位置关系；根据噪声源理论模型分析产生雷弹发射模拟噪声，利用SαS分布模拟武器发射冲击噪声，仿真分析模拟噪声在海洋环境中的传播衰减，对阵元信号分别利用最小方差无畸变响应法（MVDR 、空间平滑MVDR以及适应子带的波束域多重信号分类算法进行信号处理，得到发射噪声的声源级、频谱结构和方位。

In this model, the noise field in sound shadow region is deduced by applying Huygens-Fresnel principle. It provides a new ideal for deducing the diffraction sound of complicated noise source.

模型中对声影区的声场分布采用惠更斯-菲涅耳原理进行推导计算，给出的理论计算公式可为推导计算其它复杂声源的衍射声提供借鉴。

Generally a very good agreement was observed between experimental and simulated results , not only in terms of source spectra and overall sound levels, but also in terms of the noise source distribution in the rotor plane as a function of frequency and observer position.

一份非常利益协定通常被观察了在实验性和被模仿的结果之间，不仅根据来源光谱和整体声音强度，而且根据噪声源发行在电动子飞机作为频率和观察员位置功能。

The availability of detailed acoustic array measurements on the same turbines provides a unique possibility to assess the predictions not only in terms of source spectra and overall sound levels, but also in terms of the noise source distribution in the rotor plane as a function of frequency and observer position.

详细的音响列阵测量的可及性在同样涡轮提供一种独特的可能性估计预言不仅根据来源光谱和整体声音强度，而且根据噪声源发行在电动子飞机作为频率和观察员位置功能。

To raise the sound intensity of the modulated aerodynamic acoustic source in low frequency region, the resonances in two resonance pipes, a straight pipe and a bi-curved horn were tested by forcing the airflow of sound wave to pass through them.

为提高调制气动声源在低频处的发声强度，将含声波的气流通过直管和双曲喇叭两种谐振管产生共振。

Through combining background noise and measuring environment study,the effects of background noise,surface absorption of the source in different environments as well as the difference between sound intensity measurement and sound pressure measurement are emphasized.

主要将背景噪声与测量环境结合起来，研究背景噪声、声源表面吸收在不同环境中的影响，还对声强法与声压法的差别作了比较。

Plunder melds and run with this jewel!

掠夺melds和运行与此宝石！

My dream is to be a crazy growing tree and extend at the edge between the city and the forest.

此刻，也许正是在通往天国的路上，我体验着这白色的晕旋。