Microwave frequency detector using a 4x4 Butler matrix
2012 ◽
Vol 22
(3)
◽
pp. 035005
◽
2009 ◽
Vol 30
(4)
◽
pp. 044009
◽
1971 ◽
Vol 32
(C1)
◽
pp. C1-443-C1-451
◽
2012 ◽
Vol 2
(2)
◽
pp. 374-375
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