Code generator for multilevel interleaved multiplexed noise codes
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United States of America Patent
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Feb 4, 1986
Grant Date -
N/A
app pub date -
Nov 14, 1983
filing date -
Nov 14, 1983
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Expanded multilevel noise codes are generated of a type termed 'code mates'aving autocorrelation functions which, upon detection in a matched filter, provide an impulse autocorrelation function. More particularly, expanded multilevel code mate pairs are generated by interleaving two multi-bit codes comprising a mate pair wherein one of the codes in each expanded mate pair comprises a code having a larger amplitude than the other code and whose position is mutually transposed in the expanded mate pairs and further wherein one of the interleaved codes is the complement or negative of one of the original or basic code mates.
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