A PN-radar correlator with IF-input ports

A PN-radar correlator with IF-input ports

This paper presents an IF-correlator with IF-input ports avoiding DC-offsets in the correlation signal path, as well as the need for a detector for the received signal. Often in PN-radar systems, the received signal is detected and then correlated with the reference signal at baseband. Due to DC pas...

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Hauptverfasser: Helmbrecht, F.B., Olbrich, M.O., Zitzmann, D., Biebl, E.M.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Autocorrelation
Baseband
Binary phase shift keying
Correlators
Detectors
Dynamic range
Frequency
Multiaccess communication
Radar
Signal detection
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Zusammenfassung:This paper presents an IF-correlator with IF-input ports avoiding DC-offsets in the correlation signal path, as well as the need for a detector for the received signal. Often in PN-radar systems, the received signal is detected and then correlated with the reference signal at baseband. Due to DC passage through baseband correlators, only symmetric codes in DC-free paths provide a high dynamic range. The concept presented in this paper overcomes this shortcomings by correlating the signals at an intermediate frequency
DOI:10.1109/EURAD.2005.1605616