本文对室内声场的有源控制问题进行了探讨。
The problem of active noise control of interior sound field is investigated.
室内声场的扩散程度是影响房间音质的重要因素。
The diffusion degree of room sound field was proposed to be strongly correlated with room acoustics.
该方法原理简单,占用内存少,适应于模拟室内声场分布。
This method due to the advantage of simplicity in principle and less memory fits for computing the sound distribution in a room.
综述了与室内声场空间印象相关的基本概念、研究方法以及客观评价参数。
The conception, research methods and objective assessment parameters of auditory spatial impression in room sound field are reviewed.
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。
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.
在扩散声场假设条件下,采用系统学、统计学等方法来处理室内声场,避免了繁杂的数学推导。
Supposing that the condition of diffusive sound field is known, a method to handle room sound field is given to avoid the complicated mathematical derivation, using system theory and statistics.
时域有限差分法将声波基本方程表示为一个时间和空间的迭代方程组,实现对室内声场中低频段的模拟计算。
The acoustical wave equation is presented a serial spatial and time iterative equations and room acoustics field is simulated using finite difference time domain method.
理论上采用射线近似方法分析了时间反转声场特性,实验上在实验室内开展了水下波导的超声模拟实验。
The ray approach is adopted to study the acoustic field in theory, and the ultrasonic experiment has been carried out in laboratory to model the underwater waveguide.
通过建立声波消雾实验装置,测定了在水雾消散过程中,雾室内的声场分布、温度、消雾时间、雾滴谱的变化过程。
Through setting up the experiment equipment, we measured the sound distribution, the temperature, the dissipating time and the spectrum of fog particles.
主要研究内容包括:1利用CFD软件对挂壁式空调器室内机进行流场和声场模拟。
The main contents include: 1 the flow field and sound field were simulated with CFD software for the indoor unit of the air conditioner.
文章建立了飞机壁板隔声的统计能量分析模型,研究了外部声场激励和振动激励通过飞机壁板的隔声量,预测了飞机舱室内的声场分布。
In this paper, a model of statistical energy analysis is used to study sound transmission loss of the aircraft cabin, and predict the sound field in the cabin.
文章建立了飞机壁板隔声的统计能量分析模型,研究了外部声场激励和振动激励通过飞机壁板的隔声量,预测了飞机舱室内的声场分布。
In this paper, a model of statistical energy analysis is used to study sound transmission loss of the aircraft cabin, and predict the sound field in the cabin.
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