In this paper,a theoretical study on active control of within enclosed space surrounded by flexiblestructure is accomplished.
本文从理论上研究了外力激励弹性结构条件下封闭空间有源消声问题。
Based on the basic theory of ANC within the enclosed space,this paper models the enclosed space with the COMSOL software,and presents the simulation and analysis effects of noise reduction which is derived from the numbers and location of the secondary noise resources.
基于封闭空间有源消声的基本理论,利用COMSOL软件对封闭空间声场进行了仿真建模,并模拟分析了次级声源的数量和位置关系对消声效果的影响。
By applying the basic principle of thermodynamics, the expression of characteristic index B to the humidity control in a closed space is derived and is analysed and explained from the angle of two phase equilibrium.
在评述现有关于调湿材料的调湿特性指标的基础上 ,利用热力学基本原理 ,从两相平衡的角度导出封闭空间调湿特性指标值的表达式 ,并对其进行分析说明 。
The result of the numerical simulation of heat dissipation in a closed cavity is compared with the experiment result.
首次用组合坐标法对小空间自然对流换热问题进行数值模拟，并将封闭空间电缆群散热情况数值模拟的结果与实验结果比较，在所比较的工况点上，计算值与实验值相差小于５％。
Optimal strategy for the second source in enclosure under active noise control
封闭空间有源噪声控制次级声源优化策略
Active control of structural acoustic radiation into an enclosure based on radiation modes
通过辐射模态研究封闭空间结构声辐射及其有源控制
The acoustic eigen frequencies of the hermetic and half-hermetic spaces and its change with dimensions of the clapborad are simulated.
通过分析封闭、半封闭空间中气体的声学特性,针对当其固有声学频率与激振频率一致时,由于气体共振产生的共鸣音,提出了移频降噪理论。
In order to understand the mechanism of smoldering of polyurethane foam in a semi-closed space,experiments are conducted with horizontally-oriented polyurethane foam.
为了了解在半封闭空间中阴燃的机制,对水平放置在实验体中的聚氨酯泡沫进行了阴燃实验研究。
any large dark enclosed space.
巨大黑暗的封闭空间。
A current of air in an enclosed area.
气流封闭空间中的气流
confined-space entry and rescue
封闭空间的进入和援救
Open Space" And "Closed Space"In The Novel FORTRESS BESIEGED;
《围城》的“开放空间”与“封闭空间”
A heated enclosure in which fowls are raised.
育雏暖房饲养家禽的温暖封闭空间
An enclosed space in the bore of a gun that holds the charge.
药室枪炮的内腔装弹药的封闭空间
Study on Active Noise Control of Structure-borne Sound in Enclosed Space;
封闭空间结构声辐射的有源噪声控制研究
Algorithm and Implementation of Nearfield Acoustical Holography in the Interior Sound Field;
封闭空间内近场声全息变换算法及实现研究
Computer Simulation of High Frequency Sound Field Impulse Response in Rooms;
封闭空间高频声脉冲响应场的计算机模拟
ON THE NARRATIVE OF CHINESE CLOSED-SPACE FAMILY NOVELS;
论封闭空间的中国家族小说的叙事因素
Simulation research on ANC in enclosed sound space
封闭空间声场的有源消声技术仿真研究
Optimal strategy for the second source in enclosure under active noise control
封闭空间有源噪声控制次级声源优化策略
ACTIVE STRUCTURAL ACOUSTIC CONTROL IN ENCLOSURE USING RADIATION MODES
基于封闭空间辐射模态的结构声有源控制(英文)
Visual Evaluation Index for Enclosed Green Speace of Rail Transit Station
轨道交通车站封闭空间绿色视觉评价指标研究
a morbid fear of being closed in a confined space.
对于被关在封闭的空间感到恐惧。
take out of a container or enclosed space.
从容器中或是未封闭的空间中拿出。
remove something from a container or an enclosed space.
从容器中或是没有封闭的空间中移出。
The forming mechanism and social-spatial effects of gated community
封闭社区的形成机理与社会空间效应
