First, the sound power and prestige.
第一，音响威风。
Noise, sound power, sound insulation.
噪声，声功率，隔声。
The end result should be converted to sound power level.
最终结果均应折算至声功率级。
Measurement and calculation of sound pressure level and sound power level.
声压级及声功率级的测量和计算。
The sound power and efficiencies of these different aerodynamic sound have been compared with each other.
对不同的空气动声的声功率和效率作了相互比较。
A data processing method for the sound power of the medical ultrasonic diagnostic equipment is introduced in this paper.
介绍一种医用超声诊断设备声功率计量数据的处理方法。
Similarity rules were derived for a finite cylindrical shell, characterized by radiated sound power and radiation efficiency.
以水中有限长圆柱壳体为理论模型，用辐射声功率和辐射效率作为表征量导出了相似律。
The measurement of sound power by use o the two-microphone technique will be affected by the rotation of the active intensity.
所以在应用双传声器声强测量法测量声功率时将受到有旋性的影响。
Impulse sound pressure level and sound power level and sound power increase along with the increasing of detonation frequency.
脉冲声压级、声功率级、声功率随爆震频率的提高而提高。
A method for measuring the mono sound power in thermoacoustic resonator was developed by using the theory of plane wave decomposition.
提出了通过平面声波分解测量热声谐振管中单频压力波声功的方法。
A lot of complex functions, such as 1/3 octave analysis, sound power, tonality narrow band analysis, vibration spectrum, have been solved.
解决噪声1/3倍频程、声功率、音调窄带谱，振动频谱等复杂功能的在线分析与处理。
With the measurement of average sound pressure level and sound power level, the noise reduction result of the oil pan made by sandwich steel plate was proved.
通过平均声压级和声功率级的测试验证了复合钢板试制的油底壳的降噪效果。
The acoustic radiation resistance matrix is combined with the velocity vector on a vibration surface to predict the total sound power radiated from the structure.
利用声辐射阻力矩阵和振动面上的速度矢量预报了结构声辐射的总功率。
With two typical fans attached to an infinite plate and a finite plate as examples, structure-borne sound power is predicted with the proposed approximate formula.
文章以两个典型实际机器安装到无限大“水泥板”和有限大“水泥板”为例进行了结构声功率的预测。
The acoustic radiation resistance matrix is combined with the velocity vector on a vibration surface to predict the total sound power radiated from the structure.
基于声辐射模态分析，建立了外部场压和结构表面振动速度之间关系的传递矩阵。
Sound power determination in reverberation chambers is discussed in the light of normal mode theory. Rigorous as well as statistical formulas are found, and the aged problem of.
用简正振动方式理论分析了混响室内声功率测定问题，求得了严格公式和统计公式，解决了测试中多年未有定论的问题。
In the measurement of sound absorption coefficient in random incidence and determination of sound power levels of noise sources, the reverberation room is used very extensively.
混响室是声学专业的实验室用房，它在测量声波无规入射时材料的吸声系数和测量噪声源的声功率级中得到了广泛应用。
Some experimental formulae about jet sound power and jet noise pressure which are contributed by the noise Control Laboratory of the Pennsylvania State University are recommended.
接着推荐美国宾州大学噪声控制研究室关于喷流声功率与声压级的经验公式。
Oil pan shoulder function due to the uniqueness of oil cooling, so the oil pan was semi-damping enwrapped in the experimentation , The results showed a piece of sound power level lower 1.
由于油底壳担负着机油散热功能的特殊性，试验对油底壳采用半约束阻尼包裹处理，结果显示整机声功率级降低了1。
To verify the accuracy and reliability of the system, contrast tests on reference sound power source and small motor are performed respectively in a semianechoic chamber and a common room.
为了验证噪声检测系统的精度和可靠性，在半消声室和普通房间内，分别对标准声功率源和小型电机作声功率对比测量试验。
In this paper, the errors of sound power determination using sound intensity measurement are studied, based on the analysis of experimental results with the eyes of engineering application.
本文从工程实用角度出发，以实验分析为基础来探讨声强法测量声功率的误差问题。
The effect of main factors, such as the thickness of the model, the distribution of symmetric forces excited on the model, and different kind of ribs, on the radiated sound power has been analyzed.
对于影响围壳模型辐射声功率的主要因素，比如围壳模型厚度、不同的加肋情况和激励力分布等，进行研究分析其对围壳辐射声功率的影响。
The sense of unalloyed power we often take from his music is a result, not of the weight of orchestra sound.
我们常常从他的音乐中获得纯粹的力量，这并非来自管弦乐队宏大的音量。
In the end, the power of cinematic sound to both move audiences and enhance the story persuaded studios that talkies were worth investing in.
最后，电影音效的力量既感动了观众，又增强了故事情节，这让电影公司相信有声电影值得投资。
Yes, the power indicator was on, and it was running, but somehow the sound didn't come through.
是的，电源指示灯是亮的，机器也正在运行，但是不知怎么的声音就是出不来。
They may be able to emulate the dripping sound of a crosswalk, or the buzz of a power tool.
他们或许可以效仿人行横道的滴滴声，或者电动工具的嗡嗡声。
In her experience, people in positions of power or people in finance or engineering do not tend to like the sound of the word.
根据她的经验，掌权者或是在金融和工程领域工作的人往往不喜欢这个词的发音。
PC power has reached a level close to that needed for procession television and sound data streams in real time, multimedia was born.
电脑的能力达到实时处理电视和声音数据流的水平，这时多媒体就诞生了。
PC power has reached a level close to that needed for procession television and sound data streams in real time, multimedia was born.
电脑的能力达到实时处理电视和声音数据流的水平，这时多媒体就诞生了。
应用推荐