Effects of raised-cosine pulse shaping on processing gain in acousto-optic correlators
✍ Scribed by O. Bazzi; Y. Mohanna; F. Khalil; J. Assaad
- Publisher
- John Wiley and Sons
- Year
- 2008
- Tongue
- English
- Weight
- 191 KB
- Volume
- 50
- Category
- Article
- ISSN
- 0895-2477
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✦ Synopsis
Abstract
The effects of raised‐cosine filtering on the processing gain of acousto‐optic correlators (AOC) in direct‐sequence spread‐spectrum receivers are considered. For ideal AOCs, analytical expressions are derived for the full roll‐off filter characteristics. The results are given in terms of the ratio β of the code rate to the filter bandwidth. For real AOCs, results are obtained from numerical simulation and are compared to previous results obtained for other types of filters. © 2008 Wiley Periodicals, Inc. Microwave Opt Technol Lett 50: 1558–1561, 2008; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.23431