| 摘要 |
PCT No. PCT/US97/13106 Sec. 371 Date Oct. 7, 1997 Sec. 102(e) Date Oct. 7, 1997 PCT Filed Jul. 22, 1997 PCT Pub. No. WO98/04032 PCT Pub. Date Jan. 29, 1998A data symbol sequence detector for choosing data symbol sequences likely to be represented by corresponding sequences of samples received by the detector with these sample sequences formed by sampling data signals obtained from magnetically stored data through a data retrieval channel which asymmetrically affects the magnitudes of the data signals. An expected sample value estimator provides estimated expected magnitude values for a selected set of samples in the sequence, and a magnitude difference determiner is used for obtaining representations of differences between values of the samples in the sequence and the corresponding estimated expected values. These differences representations can be limited in algebraic form.
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