Digital techniques to decode signals extracted from...

Details Digital techniques to decode signals extracted from... Digital techniques to decode signals extracted from...

2011-07-19

2011-07-19

Olson, Jason C (Department: 2627)

Dynamic magnetic information storage or retrieval

General processing of a digital signal

C360S066000, C369S047250, C375S341000

Reexamination Certificate

active

07982990

ABSTRACT:
Methods, apparatuses, and systems describing digital techniques to decode signals extracted from computer-readable storage media. A digital signal that includes a digital representation of a repeatable runout signal having a magnitude and included in an analog signal is obtained. An estimate of the magnitude of the RRO signal based on the digital signal is determined. The estimate is provided for decoding the digital signal to extract the included data by adapting a detector gain target in accordance with the estimate. The detector gain target is a function of a desired amplitude of the RRO signal.

REFERENCES:
patent: 6111710 (2000-08-01), Feyh et al.
patent: 6912099 (2005-06-01), Annampedu et al.
patent: 7002767 (2006-02-01), Annampedu et al.
patent: 7180693 (2007-02-01), Annampedu et al.

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