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Generation and performance of quadraphase Welti codes for radar and synchronisation of coherent and differentially coherent PSK systems
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Wilson, Roland, 1949- and Richter, J.. (1979) Generation and performance of quadraphase Welti codes for radar and synchronisation of coherent and differentially coherent PSK systems. IEEE Transactions on Communications, 27 (9). pp. 1296-1302.
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Official URL: http://dx.doi.org/10.1109/TCOM.1979.1094554
Abstract
A class of quadraphase synchronizing sequences, whose lengths may be any power of two, is constructed using codes originally reported by Welti. It is shown that there exist realizations of the codes for both coherent and differentially coherent PSK systems. Like binary maximal length sequences (BMLS) their generation and detection require circuits whose complexity grows aslog_2(N), where N is the codelength. Their aperiodic correlation properties, however, are superior to those of any BMLS-their correlation sidelobes are identically zero, giving unambiguous asynchronous detection.
| Item Type: | Journal Article |
|---|---|
| Subjects: | Q Science > QA Mathematics > QA75 (Please use QA76 Electronic Computers. Computer Science) |
| Divisions: | Faculty of Science > Computer Science |
| Journal or Publication Title: | IEEE Transactions on Communications |
| Publisher: | Institute of Electrical and Electronics Engineers |
| Date: | September 1979 |
| Volume: | 27 |
| Number: | 9 |
| Page Range: | pp. 1296-1302 |
| Identification Number: | 10.1109/TCOM.1979.1094554 |
| Status: | Peer Reviewed |
| Publication Status: | Published |
| Related URLs: | |
| URI: | http://wrap.warwick.ac.uk/id/eprint/46330 |
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