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    • 55. 发明申请
    • A MULTIPLE-INPUT MULTIPLE-OUTPUT RADAR SYSTEM
    • WO2022115018A1
    • 2022-06-02
    • PCT/SE2021/051159
    • 2021-11-22
    • SAAB AB
    • FALK, Kent
    • G01S13/00G01S7/02G01S13/931
    • The present disclosure relates to a multiple-input multiple-output, MIMO radar system (1) comprising an antenna (2) comprising at least two sparse transmit arrays (3, 4), each sparse transmit array (3, 4) comprising a plurality of antenna elements (5). The antenna elements (5) of each sparse transmit arrays (3, 4) are at least partially overlapping with the antenna elements (5) of the other sparse transmit arrays (3, 4) of the at least two sparse transmit arrays (3, 4). Further, there is control circuitry (7) connected to the antenna (2). The control circuitry (7) is configured to transmit a signal having a waveform by means of each sparse transmit array (3, 4), wherein the waveform of each signal is substantially orthogonal relative to a waveform of each other signal of each other sparse transmit arrays (3, 4) of the at least two sparse transmit arrays (3, 4). Furthermore, the waveforms of each signal together form an interference pattern, and wherein a sum of all interference patterns of all of the signals illuminate an area of interest.