| 摘要 |
A Cartesian Feedback-loop Signal Canceller (CFSC) recovers a signal of interest from a composite signal by cancelling a narrowband interferer from the composite signal. According to one embodiment, narrowband interference cancellation is performed by destructively combining a composite signal including a narrowband interference signal and a signal of interest with an estimate of the narrowband interference signal to generate an interference-compensated signal. A feedback signal is generated having Cartesian components derived from the interference-compensated signal. Cartesian components associated with the signal of interest are removed from the feedback signal to generate the narrowband interference signal estimate.
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