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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 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, Volume 27 (Number 9). pp. 1296-1302. doi:10.1109/TCOM.1979.1094554
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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 | ||||
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Subjects: | Q Science > QA Mathematics > QA76 Electronic computers. Computer science. Computer software | ||||
Divisions: | Faculty of Science, Engineering and Medicine > Science > Computer Science | ||||
Journal or Publication Title: | IEEE Transactions on Communications | ||||
Publisher: | Institute of Electrical and Electronics Engineers | ||||
Official Date: | September 1979 | ||||
Dates: |
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Volume: | Volume 27 | ||||
Number: | Number 9 | ||||
Page Range: | pp. 1296-1302 | ||||
DOI: | 10.1109/TCOM.1979.1094554 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access |
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