Ambiguity function of quadriphase coded radar pulse

Ambiguity function of quadriphase coded radar pulse

Taylor's quadriphase coding (J.W. Taylor, Jr. and H.J. Blinchikoff, ibid., vol.23, no.2, p.156-70, Mar. 1988) is investigated for nonzero Doppler shifts. While the zero-Doppler cut of the ambiguity function (i.e. the autocorrelation) strongly resembles that of the corresponding biphase code, th...

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Veröffentlicht in:IEEE transactions on aerospace and electronic systems 1989-11, Vol.25 (6), p.848-853, Article pp 848
Hauptverfasser: Levanon, N., Freedman, A.
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Autocorrelation
Delay lines
Doppler radar
Doppler shift
Electronics industry
Exact sciences and technology
Frequency
Narrowband
Pulse compression methods
Radiolocalization and radionavigation
Signal generators
Switches
Telecommunications
Telecommunications and information theory
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Zusammenfassung:Taylor's quadriphase coding (J.W. Taylor, Jr. and H.J. Blinchikoff, ibid., vol.23, no.2, p.156-70, Mar. 1988) is investigated for nonzero Doppler shifts. While the zero-Doppler cut of the ambiguity function (i.e. the autocorrelation) strongly resembles that of the corresponding biphase code, the remaining ambiguity function differs considerably. The ambiguity function of quadriphase code 13 is typified by a diagonal ridge as found in linear FM signals. The ambiguity function of quadriphase code 28A resembles the three parallel ridges of Frank code 16.< >
ISSN:0018-9251
1557-9603
DOI:10.1109/7.40724