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。
Introduced the method to research and develop a new type sound and vibration measurement and analysis system.
介绍了一种新型声-振动测量分析系统的研制方法。
In this way, the system ensures that the air temperature measurement used in the speed of sound calculation is truly representative.
这样，系统保证以声速估算的气温测量才是真实且具代表性的。
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。
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。
A submerged buoy system for ocean vector sound field measurement is designed with the three-dimensional vector sensor as a core.
以三维矢量传感器为核心，构建海洋矢量声场观测潜标系统。
The repetition of the ultrasonic sound and the experiment of zero velocity in gas flowmeter are tested using this speed measurement system.
利用该测速系统，进行了超声波的重复性测试，以及在以空气为介质的零流实验。
An acoustic transducer system for use in the measurement of longitudinal sound velocity in a cement sample that is maintained at high temperature and pressure.
一种用于测量保存在高温高压下的水泥样品中的纵向声速的声换能器系统。
In this paper, the author puts out a method for testing textile material sound insulation property which can re-move noise disturbance and designs a measurement system.
本文作者提出一个能消除噪声干扰的纺织材料隔声性能测试方法。
In this paper, the author puts out a method for testing textile material sound insulation property which can re-move noise disturbance and designs a measurement system.
本文作者提出一个能消除噪声干扰的纺织材料隔声性能测试方法。
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