Systems and Methods for Correlation Based Data Alignment
First Claim
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1. A data processing system comprising:
- a data detector operable to apply a data detection algorithm to generate detected values for a data sector;
a data decoder operable to apply a data decode algorithm to a decoder input derived from the detected values to yield decoded values; and
an alignment detector operable to calculate an offset between multiple versions of the data sector by correlating the multiple versions.
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Abstract
A data processing system is disclosed including a data detector, a data decoder and an alignment detector. The data detector is operable to apply a data detection algorithm to generate detected values for a data sector. The data decoder is operable to apply a data decode algorithm to a decoder input derived from the detected values to yield decoded values. The alignment detector is operable to calculate an offset between multiple versions of the data sector by correlating the multiple versions.
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Citations
20 Claims
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1. A data processing system comprising:
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a data detector operable to apply a data detection algorithm to generate detected values for a data sector; a data decoder operable to apply a data decode algorithm to a decoder input derived from the detected values to yield decoded values; and an alignment detector operable to calculate an offset between multiple versions of the data sector by correlating the multiple versions. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method of processing data, comprising:
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applying a data detection process to a data sector to generate detected values for the data sector; applying a data decoding process to a decoder input derived from the detected values to yield decoded values; and detecting offsets between multiple versions of the data sector by correlating the multiple versions. - View Dependent Claims (14, 15, 16, 17, 18, 19)
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20. A storage system comprising:
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a storage medium; a head assembly disposed in relation to the storage medium and operable to provide a sensed signal corresponding to information on the storage medium; an analog to digital converter circuit operable to sample an analog signal derived from the sensed signal to yield a series of digital samples; and a data-based alignment detector operable to correlate and align the digital samples from a plurality of read operations for the information on the storage medium.
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Specification