Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
October 23, 2007
Patent Application Number
11012813
Date Filed
December 15, 2004
Patent Primary Examiner
Patent abstract
A servo track sensing system receives equalized servo data from a servo demodulator and corrects for radial incoherence in the servo data. The system has a radial incoherence estimator that receives the equalized servo data and provides a radial incoherence estimate. A sequence detector receives the equalized servo data and the radial incoherence estimate, and provides a sequence detector output. A correlator receives the sequence detector output and provides correlator output data. The correlator output data has a reduced level of errors due to radial incoherence.
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