In this paper, a method of measuring the input mechanical impedance of the array element (longitudinal vibrating transducer) with square radiation head by using impulse sound tube is proposed.
本文提出了以声脉冲管测量辐射头为方形的一种阵元(纵向振动换能器)的输入力阻抗的方法。
The effects on the underwater sound attenuation by the thickness and concentration gradient of polymers were measured in a sound tube at different frequency during the polymers dissolution process.
文中详细研究了梯度高分子溶液在不同频率下,聚合物厚度及梯度结构的变化对反射声衰减效果的影响。
Fans cooling the transmitter wailed with a sound like a high-powered leaf blower — and the thermometer inside the tube began to climb.
冷却发射机的风扇嗡嗡地响着—试管里的温度开始上升了。
No giant sucking sound, just the gentle hissing of an inner tube losing air, threatening a flat tire that could send the American dream machine off the road.
即便听不到较大的泄气声,只是嘶嘶地缓慢漏气,也会使名为“美国梦”的这台汽车的轮胎瘪掉,而偏离了正确的道路。
Others try to recreate a particular sound belonging to a piece of equipment that is old or no longer current, such as the sound created by tube amplifiers.
还有些发烧友则想要重现一些老旧或者不再时兴的设备独特的声音,比如电子管功放发出的声响。
When sound waves enter the cochlea, which is really a tube coiled around, they set a membrane into a back and forth motion and cause a new wave.
当声波进入耳蜗这条盘旋的管道,它令薄膜前后移动并且产生新的波动。
Others try to recreate aparticular sound belonging to a piece of equipment that is old or nolonger current, such as the sound created by tube amplifiers。
还有些发烧友则想要重现一些老旧或者不再时兴的设备独特的声音,比如电子管功放发出的声响。
The sound of the DM-10 and B-100 is somewhat like a single ended triode tube (SET) amplifier, and that is a complement indeed.
马克的声音-10和B - 100是有点像单端三极管管(SET)的放大器,这确实是一个补充。
To detect water leaking of underground tube, the traditional method relies on the sound-electricity transformation. Therefore, detection sensitivity, depth and distance suffer great limitation.
传统的检测地下管道漏水的方法是以声—电转换为基础,这使得灵敏度、深度和距离都受到很大限制。
This article research content and research results mainly includes following parts: Phononic crystals new sound insulating material standing wave tube test modelling.
本文主要研究内容及成果如下:声子晶体新型隔声材料驻波管测试建模。
They are very easy to drive so I can use them at home with my nice tube amp but they also sound good straight out of a portable source.
他们对开车是非常容易的,如此我能在和我的美好管安培的家使用他们,但是他们也笔直地听起来很好从一个手提式的来源。
Methods Use a standing wave tube to measure the sound absorption coefficient of many kinds of grain.
采用驻波管法测量了多种粮食的吸声系数。
Turn it down low for a clean tube sound with just a bit of edge.
当你将它往下调节的时候就能获得干净的电子管音色,具有比较明显的边缘干。
This paper, taking sound velocity limit of long distance separate heat tube as main project, reaches two important conclusions through ample theoretical analysis and experimental study.
本文以长尺分离式热管的声速极限为主要研究内容,通过充分的理论分析和实验研究,得出了两个重要结论。
This paper aims to develop sound absorption and insulation real-time measurement system based on impedance tube, which will be applied in measurement in situ and product line.
本文旨在开发阻抗管吸声与隔声实时测量系统,使之在能够应用于生产线测量与现场测量。
Based on the sound absorption mechanism of Helmholtz Resonator, the advantage of soft tube length is fully used in the new structure, and thus the low-frequency noise can be controled easily.
提出了一种新型的宽频带共振吸声结构,该结构基于赫姆霍兹共振吸声机理,并充分利用了软管在长度上的优势,易于实现对低频噪声的控制。
In this paper, room sound field theory as the basis of measurement based on reverberation chamber and waveguide theory as the basis of measurement based on impedance tube are introduced.
本文介绍了声学特性测量混响室法的基础室内声场理论与阻抗管法的基础管道平面波理论。
The sound absorption coefficient of the material was tested by standing wave tube method.
采用驻波管法测试材料的吸声系数。
No extra EQ, tube saturation or compression was used during recording in order to provide an ultra-realistic sound and feel.
没有多余的情商,管,采用饱和或压缩录制过程中,以提供超逼真的声音和感觉。
The utility model can easily produce various playing styles, with a loud whistling sound and a sound of the chain shackles hitting the tube walls, inspiring the users' interest.
会发出响亮的哨音和链环击打管壁的响声,易激 发使用者的兴趣;
It analyzed the transmission rule of sound wave in steel tubular welding construction aims at the geometry of tube-tube joints.
针对管-管节点的几何特征,分析了声波在钢管焊接结构中的传播规律。
非常真实的管子味道…
A pneumatic tire having land sections with acute Angle sections, in which the level of air column tube resonance sound is reduced with uneven wear resistance maintained at high level.
一种充气轮胎,其包括具有锐角部的陆部,不仅能维持耐单边磨损性能,还能降低气柱共鸣声声级。
A pneumatic tire having land sections with acute Angle sections, in which the level of air column tube resonance sound is reduced with uneven wear resistance maintained at high level.
一种充气轮胎,其包括具有锐角部的陆部,不仅能维持耐单边磨损性能,还能降低气柱共鸣声声级。
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