Communications: radio wave antennas – Antennas – Wave guide type
Patent
1998-06-10
2000-02-29
Wong, Don
Communications: radio wave antennas
Antennas
Wave guide type
343772, H01Q 1302
Patent
active
060315040
ABSTRACT:
A pair of adjacent antennas are configured to transmit and receive wideband signals with low direct coupling. The antennas are horns with extended walls and a shaped septum. At a typical operating frequency of 5.8 GHz, coupling levels are as low as -60 dB. Low coupling levels are needed to reduce measurement errors in radar rangefinders operating at less than 1-meter target range.
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Chen Shih-Chao
Wong Don
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