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www.ann-geophys.net/26/2237/2008/
© European Geosciences Union 2008
Polyphase alternating codes
1Eigenor Corporation, Lompolontie 1, 99600 Sodanykylä, Finland
2Sodankylä Geophysical Obervatory, Tähteläntie 62, 99600 Sodankylä, Finland
3EISCAT Scientific Association, Tähteläntie 54B, 99600 Sodankylä, Finland
Abstract. We present a new class of alternating codes. Instead of the customary binary phase codes, the new codes utilize either p or p–1 phases, where p is a prime number. The first class of codes has code length pm, where m is a positive integer, the second class has code length p–1. We give an actual construction algorithm, and explain the principles behind it. We handle a few specific examples in detail. The new codes offer an enlarged collection of code lengths for radar experiments.
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Citation: Markkanen, M., Vierinen, J., and Markkanen, J.: Polyphase alternating codes, Ann. Geophys., 26, 2237-2243, 2008. Bibtex EndNote Reference Manager
