Communications: directive radio wave systems and devices (e.g. – Return signal controls radar system – Receiver
Patent
1997-02-18
1998-08-18
Sotomayor, John B.
Communications: directive radio wave systems and devices (e.g.,
Return signal controls radar system
Receiver
342101, 342115, 342137, G01S 7295, G01S 1353
Patent
active
057963649
ABSTRACT:
A method of determining the velocity of a radar target wherein at least two different pulse repetition frequencies are used. Each pulse repetition frequency comprises a predetermined division into equidistant Doppler numbers. For an echo signal, a Doppler number associated with the echo signal is determined for each pulse repetition frequency. Out of two Doppler numbers associated with different pulse repetition frequencies, a nonambiguous Doppler number is subsequently determined which lies within a predetermined velocity nonambiguity range, and the velocity of the radar target is determined from this Doppler number.
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Fuchter Norbert
Hofele Franz-Xaver
Daimler-Benz Aerospace AG
Sotomayor John B.
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