您要查找的是不是：
- The hemispherical and the parallelepiped measurement surfaces are investigated as examples.Subsequently, their error models are established on the basis of the common model of sound power measurement. 以半球测量面和平行六面体测量面为例，应用通用模型建立了两种情况下的声功率误差分析模型。
- Sound Power Measurement in a Narrow Room 狭小空间条件下的声功率测量
- Sound Power Measurement of Gearbox by Sound Intensity Method 用声强法测量齿轮箱的声功率
- Influence of scanning speed on sound power measurement precision in sound intensity scanning method 扫描速度对扫描声强法测量声功率精度的影响
- Analysis of Errors due to Scanning Paths in Sound Power Measurement Using Scanning Intensity Method 扫描声强法声功率测量的扫描路径误差分析
- Study on Engineering Applications of Sound Power Measurement Using Sound Intensity Method 声强法声功率测量的工程应用研究
- sound power measurement 声功率测量
- Methods for Measurement Calculation of Sound Emitted by Machinery and Equipment at Work Stations and other Specified Positions from Sound Power Levels. 声源级的工作台或其它特定的场所由机器和设备发出的声音的计算方法。
- A new method for power measurement of audio frequencies is introduced. 介绍了一种音频范围内功率测量的新方法。
- Reverberation room is the special test room that is used in acoustics, 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. 摘要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。
- Design of the Power Measurement System Base on Single-Chip Microcomputer for EV Storage Batteries. 基于单片机的EV动力蓄电池组电量计量系统的设计。
- Optical potential mutual inductor is a new kind of senser used in electric power measurement system. 光电式电压互感器是一种用于电力测量系统的新型传感器。
- 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. 摘要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。
- An innovative implementation of the skin concept for the reduction of the radiated sound power from a vibrating structure is proposed. 摘要 本文的目的为研究在有限平板之双曲线热传导的正、逆算问题受表面辐射的影响。
- This method can be used to design reactive power measurement equipment for power computation and attemperment automatization in electric power system. 该方法可用于电力系统中电能计量、调度自动化等领域的无功功率测量装置的设计。
- Power measured by numbers of persons present or persons who can be used. 指实力,兵力或人数。
- The figures can be used to easily calculate the sound power level of the sound source inside the duct through measuring the SPL at a single point outside of the duct. 利用这些图和简单公式,通过测量管外一点的声压级就可确定管内声源声功率。
- This paper presents a numerical algorithm for power measurement in nonsinusoidal conditions and studies the application in Virtual Instrument. 介绍了一种可用于非正弦情况下功率测量的数字算法,并研究了在虚拟仪器中的应用。
- The experimental tests involved the total sound power level, the sound pressure spectra and the sound source directivity of the AFF are firstly presented. 本文首先进行了轴流风扇总声功率、声压频谱及声源指向性等声学特性的实验测试。
- Powerful measures must be taken to implement creative education. 实施创造教育必须采取强有力的措施。
