Abstract
Beam forming is an array processing technique often used to localise sound sources. This paper details the design and testing of a new planar microphone array in the School of Mechanical Engineering at the University of Adelaide which will be used for localising the noise generation from a model wind turbine. The array microphone locations were found using a constrained bi-objective optimisation to find a good compromise between the array resolution, also known as beam width, and the maximum value of spurious lobes, known as the maximum side-lobe level. Aggregate and phase averaged beam forming results of a rotor rig experiment are presented.
| Original language | English |
|---|---|
| Number of pages | 9 |
| Publication status | Published - Nov 2014 |
| Externally published | Yes |
| Event | 43rd International Congress on Noise Control Engineering: Improving the World Through Noise Control - Melbourne, Australia Duration: 16 Nov 2014 → 19 Nov 2014 Conference number: 43 |
Conference
| Conference | 43rd International Congress on Noise Control Engineering |
|---|---|
| Abbreviated title | INTERNOISE 2014 |
| Country/Territory | Australia |
| City | Melbourne |
| Period | 16/11/14 → 19/11/14 |
Keywords
- Aeroacoustics
- Beamforming
- Sparse array