Show/Hide Menu
Hide/Show Apps
anonymousUser
Logout
Türkçe
Türkçe
Search
Search
Login
Login
OpenMETU
OpenMETU
About
About
Open Science Policy
Open Science Policy
Communities & Collections
Communities & Collections
Help
Help
Frequently Asked Questions
Frequently Asked Questions
Videos
Videos
Thesis submission
Thesis submission
Publication submission with DOI
Publication submission with DOI
Publication submission
Publication submission
Contact us
Contact us
On the statistical distributions of active intensity directions
Date
2013-09-30
Author
Günel Kılıç, Banu
Metadata
Show full item record
This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
.
Item Usage Stats
5
views
0
downloads
Cite This
Pressure and pressure differences measured using closely-spaced microphone pairs enable the calculation of active intensity directions. These directions are exploited in various applications such as acoustical analysis and modelling, multichannel audio systems, source localization and real-time blind source separation. Despite their widespread usage, the distribution of the active intensity directions in the presence of interference has not been investigated before, except for the diffuse sound field case for which the distribution becomes uniform. In this paper, the interference problem has been formulated using the pressure and pressure differences. Algebra of random variables, fractional linear transformations and Brownian motion have been used for the exposition of the model distributions. It is shown that the distribution is wrapped Cauchy for a single sound source in the presence of independent interference in an anechoic chamber. In a direct plus diffuse sound field, the distribution is offset Cauchy for a nonstationary target source and von Mises for the special case of a stationary target source, related to the Brownian motion. In the presence of multiple independent sound sources, the distribution can be modeled as mixtures of circular Cauchy distributions and a uniform distribution.
Subject Keywords
Benzotriazole
,
Effect of chain length
,
Organic photovoltaics
,
Solar cell
,
Donor-acceptor polymers
URI
https://hdl.handle.net/11511/30152
Journal
JOURNAL OF SOUND AND VIBRATION
DOI
https://doi.org/10.1016/j.jsv.2013.04.034
Collections
Graduate School of Informatics, Article
Citation Formats
IEEE
ACM
APA
CHICAGO
MLA
BibTeX
B. Günel Kılıç, “On the statistical distributions of active intensity directions,”
JOURNAL OF SOUND AND VIBRATION
, vol. 332, no. 20, pp. 5207–5216, 2013, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/30152.