Improvement of target resolvability through the application of phase-shift keying to quantized linear FM radar/sonar signals

Improvement of target resolvability through the application of phase-shift keying to quantized linear FM radar/sonar signals

The ambiguity functions associated with three types of phase-encoded quantized linear FM (QLFM-PSK) signals are considered. The signals are classified according to their method of phase encoding. Significant range-Doppler sidelobe magnitude reduction is obtained when phase encoding is applied among...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Donohoe, J.P., Ingels, F.M.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Chirp modulation
Doppler radar
Encoding
Frequency modulation
Phase shift keying
Pulse compression methods
Radar measurements
Signal design
Signal resolution
Sonar
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Beschreibung
Zusammenfassung:The ambiguity functions associated with three types of phase-encoded quantized linear FM (QLFM-PSK) signals are considered. The signals are classified according to their method of phase encoding. Significant range-Doppler sidelobe magnitude reduction is obtained when phase encoding is applied among the frequency subpulses of the QLFM-PSK signals. Application of phase encoding to each of the individual frequency subpulses is found to reduce the width of the ambiguity function sidelobe peaks.< >
ISSN:0094-2898
2161-8135
DOI:10.1109/SSST.1989.72450