A back-up aid indication system includes a sensor for providing detection coverage in a predetermined coverage zone behind a vehicle. The sensor includes a transmit antenna adapted for transmitting an RF signal having a quasi-collimated antenna pattern in a near field. The system further includes a waveform generator which selectively provides one of a frequency modulated continuous wave FMCW Chirp signal and a pulse waveform signal as the transmitted RF signal.
申请公布号
EP1454159(A2)
申请公布日期
2004.09.08
申请号
EP20020797329
申请日期
2002.12.16
申请人
RAYTHEON COMPANY
发明人
VIANA, LUIS, M.;DELCHECCOLO, MICHAEL, J.;RUSSELL, MARK, E.;WOODINGTON, WALTER, GORDON