| 摘要 |
Embodiments of a method and system for determining the presence or absence of a digital communication signal are disclosed. One embodiment of the inventive method comprises the steps of collecting a plurality of signal samples at a selected frequency for a known period of time, determining a metric dependent upon at least one measured characteristic associated with the collected signal samples, and indicating signal status as present when said determined metric is greater than a known value. In another embodiment, the aforementioned method may indicate the signal status as absent when the determined metric is less than the known value. As should be appreciated, embodiments of the inventive method may be used to determine the known value by determining the metric performance for a plurality of samples for a plurality of signal conditions.
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