| 摘要 |
An apparatus (100) and a method for substantially cancelling impulsive noise from data. Such substantial cancellation is achieved by converting the time-domain data into its corresponding frequency domain by a time to frequency domain converter (210), such that the impulsive noise threshold can be determined. Once such threshold is determined, all frequency components less than this threshold are cancelled with the resulting spectrum being converted back to the time-domain by a frequency to time domain converter (240). This substantially impulse free signal can then be substituted into the original signal where the impulsive noise occurs, thus, resulting in a signal having minimally distorted data that is substantially devoid of any impulsive noise. This signal may be further processed by an adaptive filter stage to substantially remove any remaining noise from the signal.
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