| 摘要 |
PROBLEM TO BE SOLVED: To provide a secondary surveillance radar system in which it is stable at all times where each aircraft will not misidentifies inquiry signals. SOLUTION: In the case of suppressing sidelobes due to output of an INT antenna 12 through the use of output of an SLS antenna 13, this suppression processing relies not only on each antenna gain of the INT antenna 12 and the SLS antenna 13, but also is executed by controlling the amplification level of a power amplifier 15 at a transmitting power adjustment circuit 16 provided for a transmission system of the SLS antenna 13. COPYRIGHT: (C)2007,JPO&INPIT
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