The measurement of sound intensity can be applied to course detect, product research and development applications.
声强测量可以用于过程监测、故障诊断和产品研究与开发。
Sound intensity measurement allows accurate identification, isolation and ranking of individual sound sources.
声强测量允许精确的鉴别、孤立、列举单个噪声源。
The phase mismatch error is the main error source of sound intensity measurement system. It is difficult to eliminate this error only by upgrading the accuracy of instrument.
相位失配误差是声强测量系统的主要误差源，仅靠提高仪器的精度很难消除这一误差。
The effectiveness of sound intensity has been analysed and the basis for precision acoustic measurement has been laid in this paper.
本文对声强测量的有效性作了较全面分析，为精确的声测量奠定了基础。
The influence of the DFT leakage errors on the sound intensity measurement is analyzed and the simulation examples are presented.
分析DFT泄露误差对声强测量的影响，进行模拟计算。
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。
An example of sound intensity measurement for electric motor is presented.
最后本文给出了应用本系统测量电机声功率的例子。
Based on measuring the cross-spectrum density of sound pressure between two hydrophones, the facility for underwater sound intensity measurement is investigated and designed.
基于双水听器互谱测量法，研制的水声声强测量设备可用于测量水下声源产生的声场中任意点的声强量值或任意面上的声强量值分布。
The measurement of radiation noises from an underwater structure body and identification and location of noise sources were carried out by using a sound intensity measurement system .
通过用声强测量系统对水下大型结构体进行了辐射噪声声功率的测定以及噪声源的识别和定位的实验。
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。
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。
应用推荐