| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a signal processor of a time-division multiplex adaptive array-antenna in which power loss can be minimized when changing over a switch, and deterioration of reception characteristics can be made less likely to occur. <P>SOLUTION: In a time-division multiplex adaptive array-antenna 1, one reception circuit 4 is shared by multiple antennas 2. When connecting specific one of the multiple antennas 2 with the reception circuit 4 by means of one specific switch 6, power loss can be minimized during changeover of the switch 6 by prolonging the ON time thereof. Reception signals of respective antenna 2 are mixed when the ON time of the switch 6 is prolonged, but a sample signal x<SB POS="POST">i</SB>(t) is separated into reception signals of respective antennas 2, by subjecting the sample signal x<SB POS="POST">i</SB>(t) to operation of multiplying a matrix in an arithmetic processing unit 16. <P>COPYRIGHT: (C)2013,JPO&INPIT |
