Implementing orthogonal binary overlay on a pulse train using frequency modulation

Implementing orthogonal binary overlay on a pulse train using frequency modulation

As reported recently, overlaying orthogonal phase coding on any coherent train of identical radar pulses, removes most of the autocorrelation near sidelobes and lowers the recurrent lobes. The present work shows that both properties are maintained when a binary orthogonal overlay is replaced by its...

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Veröffentlicht in:IEEE transactions on aerospace and electronic systems 2005-01, Vol.41 (1), p.372-382
1. Verfasser: Levanon, N.
Format: Artikel
Sprache:eng
Schlagworte:
Aircraft components
Autocorrelation
Derivatives
Electronic systems
Equations
Equivalence
Estimation error
Frequency modulation
Phase modulation
Pulse modulation
Sidelobes
Space vector pulse width modulation
Trains
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Beschreibung
Zusammenfassung:As reported recently, overlaying orthogonal phase coding on any coherent train of identical radar pulses, removes most of the autocorrelation near sidelobes and lowers the recurrent lobes. The present work shows that both properties are maintained when a binary orthogonal overlay is replaced by its "derivative phase" (DP) frequency modulation (FM) equivalent. Frequency modulated overlay is more spectrum efficient and would be easier to implement when the original pulses are already frequency modulated.
ISSN:0018-9251
1557-9603
DOI:10.1109/TAES.2005.1413770