Abstract
Band-limited acoustic sources of small spatial extent produce radiation patterns well approximated by those of multi-poles. Assumed limits on dimensionless size Ka and source efficiency lead to explicit rules for the necessary length of the multi-pole series.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 15-21 |
| Number of pages | 7 |
| Journal | Journal of Mechanics |
| Volume | 16 |
| Issue number | 1 |
| DOIs | |
| State | Published - 2000 |
Keywords
- Acoustic wave propagation
- Far-field pattern
- Multi-pole expansion
- Source modeling