کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
754893 | 895900 | 2008 | 10 صفحه PDF | دانلود رایگان |
![عکس صفحه اول مقاله: Distinguishing between the interior pressures induced from two independent sources within a room using the probabilistic approach Distinguishing between the interior pressures induced from two independent sources within a room using the probabilistic approach](/preview/png/754893.png)
In this paper, a probabilistic approach is introduced and used to distinguish between the interior pressures that are induced from two independent sound sources within a rectangular room. One source is a vibrating wall of the room and the other is an interior point source. The model is set up using the modal analysis method. In the probabilistic method, the probability densities of the uncertain acoustic model parameters are computed. The values of highest probability density are identified and assigned to the uncertain parameters in the acoustic model. The contributions of the sound sources to the total pressure are then obtained from the acoustic model input with the identified parameters. The effects of the modal truncations, the modeling errors, and the measurement locations on the accuracies of the identification process are studied.
Journal: Applied Acoustics - Volume 69, Issue 6, June 2008, Pages 496–505