Gopala Rao, M. S. V. ; Ramachandra Rao, B. (1963) Phenomena during the growth and decay of spread-F Radio and Electronic Engineer, 25 (5). pp. 445-448. ISSN 0033-7722
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Official URL: http://ieeexplore.ieee.org/search/freesrchabstract...
Related URL: http://dx.doi.org/10.1049/ree.1963.0059
Abstract
Observations of the directional distribution of ambient sea noise are reviewed, for depths of 100 to 1000 feet, in the octave 0.75 to 1.5 kc/s, obtained with a 32-element spherical array yielding 32 simultaneous beams covering all directions in three dimensions. The results are presented diagrammatically. An appendix contains a description of the DIMUS beam-forming system (clipping and shift-register delays) which is employed.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Institute of Electrical and Electronic Engineers. |
| ID Code: | 32957 |
| Deposited On: | 21 Mar 2011 13:21 |
| Last Modified: | 10 Jun 2011 04:38 |
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