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    • 80. 发明专利
    • RADAR SYSTEM
    • JP2000206226A
    • 2000-07-28
    • JP704599
    • 1999-01-13
    • MITSUBISHI ELECTRIC CORP
    • HOSHINA YASUSHI
    • F41H3/00G01S7/36G01S7/40
    • PROBLEM TO BE SOLVED: To perform radar operation without being affected by disturbance radio wave and perform radar operation wherein switching operation of transmission frequencies is simple for tracking the frequency of the disturbance radio wave. SOLUTION: A detection means 15 detecting the timing when a disturbance station 4 receives a radio wave from a radar 1 is installed in an electronic searching device 2. By this timing, alias radar radio wave which does not contribute to the normal radar operation is transmitted from the radar 1 to the disturbance station 4. Thereby, when the disturbance station 4 is transmitting the disturbance radio wave, normal radar operation is enabled, normal radar operation wherein the transmitting frequency is not changed to other frequency and switching operation is simple is enabled, and a target existing in the direction of the disturbance station 4 can be found with the radar.