| 摘要 |
Adaptive interference cancellation is provided by an offset geometry, multiple feedhorn, single main reflector antenna in combination with uplink and downlink cancellation circuits. The antenna is coupled to the cancellation circuits via several duplexer and amplifier circuit combinations. A dither control circuit monitors dither signal generated in one cancellation circuit to ensure a predetermined integral relationship existing between the dither signal frequency and a round trip signal delay.
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