"Active Radar System And Method"

Abstract: The present invention relates to an active radar system (60) and a corresponding method . The proposed system comprises at least two transmit antennas (61, 62) that each transmits radiation to a scene as a transmit signal (T61, T62), said transmit signal comprising a series of frequency modulated pulses, at least one receive antenna (63, 64) that receives radiation from said scene as a receive signal (R61, R62), a controller (65) that controls said at least two transmit antennas (61, 62) such that the transmissions of the transmit signals (T61, T62) of the various transmit antennas are subsequently initiated with time offsets (To), which time offset (To) between two subsequently initiated transmissions of transmit signals (T61, T62) is controlled to be larger than the time delay (At) between transmission of a first transmit signal (T61) of said two transmit signals and reception of radiation of said first transmit signal by said at least one receive antenna and to be smaller than the time duration (Tb) of a complete frequency modulated pulse of said first transmit signal (T61), and a signal analyser (66) that analyses said receive signal (R61, R62). (Fig. 8)

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