| 1. | ( 2 ) sequential distinguish of structure sound resource in complex sound field
( 2 )复杂声场中结构声源的层次识别。 |
| 2. | This method can be deal with any complex sound source in any position
该方法能处理大尺度声源在封闭声场中任何位置的情况。 |
| 3. | 3 ) two kinds of fem modeling , boundary condition method and lumped sound source method , are set up for complex sound source
3 )建立了边界条件法和集中声源法两类基于复杂声源的有限元计算模型。 |
| 4. | This method of generating a complex sound is sometimes referred to as " fourier synthesis " , in honour of joseph fourier , the mathematician who discovered the basis of what we now call fourier analysis
为纪念约瑟夫?傅里叶（他是发现了我们现在称之为傅里叶分析的原理的数学家） ，这种生成较复杂声音的方法有时被称为“傅里叶合成” 。 |
| 5. | We studied the sound source identification methods in complex sound field and in proposed the sequential sound source identification method . in the practicality point of view , we mainly studied the details of the former two layers
对复杂声场中结构声源的识别方法进行丁研究，提出了结构声源的层次识别方法，从实用的角度出发，重点对前两个层次的具体识别方法进行了研究。 |
| 6. | The research work in this dissertation involves the basic theory and realization process of auralization , fem modeling , fem modeling based on complex sound source , error estimation and afem modeling , fulfillment steps of sound parameters simulation and auralization software
本文研究涉及到可听化基本原理及实现，有限元建模，基于复杂声源的有限元建模，误差分析及自适应有限元建模，音质参数模拟和双耳可听化的软件实现方法等。 |
| 7. | The analytical mode is based on the theory of sound propagation in layered media . the concept of equivalent parameters is established . the absorption of sound energy by damping layer ' s is represented by use of complex sound impedance
解析模型以分层介质中的波动理论为基础，建立了等效参数的概念，并运用声阻抗的复数表示法把阻尼层对介质层声能吸收的影响都考虑进去，通过比较敷设消声覆盖层前后多层传递损失的差异来获得消声层的效率。 |
