Sound absorption

Research on Sound Absorption Characteristics of the New Acoustic Structure

新型声学结构的吸声特性研究

Study on cement - based wood composite sound absorption material

水泥基木梗复合吸声材料的研究

Design Strategy and Algorithm for Adaptive Control of Active Sound Absorption

有源声吸收的自适应控制方法研究

A study on sound absorption properties in various types grain

多种粮食声吸收的研究

Research on Theories and Methods of Active Sound Absorption

主动吸声降噪理论与方法研究

Investigation of inverse energy transmission in composite sound absorption structures in water

水下复合层吸声结构中反向声能与振动能量传输的研究

A study on sound absorption properties of large - cavity perforated structure

大空腔穿孔板吸声结构的吸声特性

The air sound absorption property of porous aluminum was studied .

对多孔铝的空气声吸收性能进行了研究。

Study on Mechanisms and Sound Absorption of Active Element

有源声吸收单元吸声量计算及吸声机理研究

Experimental Research on Sound Absorption Characteristics of Metal Fibre

金属纤维材料吸声特性的试验研究

Study on the sound absorption mechanism in gradient water-soluble polymer solution

水溶性高分子梯度溶液吸声机理的研究

Development of the Sound Absorption Material Used for Noise Reduction in Highway Tunnel

公路隧道降噪用吸声材料的研制

Optimization of Error Sensors Used in Adaptive Active Sound Absorption

自适应有源声吸收中误差传声器的优化

Theoretical research on active sound absorption in space

空间有源声吸收的理论研究

The most basic means of controlling noise is the sound absorption material .

目前控制噪声的最基本手段是利用吸声降噪材料。

An adaptive control approach applied to practical active sound absorption systems is presented .

研究了实际系统中有源声吸收自适应控制方案。

Transfer Function Method of Sound Absorption Coefficient in Impedance Tubes

阻抗管中吸声系数的传递函数测量法

Methods and Applications of Sound Absorption and Insulation Measurements Based on Transfer Functions

基于传递函数的吸声隔声测量方法与应用研究

Study on High Sound Absorption and Durability Material

高效、高耐久性吸声材料的研究

Sound absorption in sea water due to low frequency chemical relaxations

海水的低频化学弛豫声吸收

Preliminary Study on Sound Absorption Properties of Aluminium Alloy Foam

泡沫铝消音性能的初步研究

Study on sound absorption and insulation of gypsum board structure and its application

石膏板结构的吸声与隔声性能研究及其应用

Experimental research of sound absorption by water fog in duct sound elimination system

在管道消声系统中水雾吸声的实验研究

So , the study on sound absorption material is the need of environment protecting .

因此，吸声降噪材料的研究是保护环境的需要。

Analysis of Sound Absorption of Layered Materials Including Porous Layers

包含多孔材料的多层结构的吸声性能分析

The Study of the Theory for a New Functional Type of Underwater Sound Absorption Coating

新型功能性水声吸声覆盖层机理研究

A Study on the Noise Reduction through Sound Absorption in Weaving Room

拖拉机驾驶室内吸声降噪的试验研究

This method can be used as one of the common measurement methods of sound absorption coefficient .

可以做为常用的测量吸声材料的吸声系数的方法之一。

The research of perforated plate sound absorption in the flow

气流条件下微穿孔板结构吸声特性研究

Broadband resonance sound absorption and it ′ s principle for low frequency

低频宽带共振吸声结构与原理