Data recovery method and associated apparatus

A data recovery method and associated apparatus are provided. The method includes steps of: distinguishing a plurality of sampling values into a first group, a second group, a third group, and a fourth group; generating a first channel estimation value in response to sampling values of the second gr...

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Bibliographische Detailangaben
Hauptverfasser:	YANG, YUNGI, CHENG, YENIEN, CHEN, ZHENG-XIONG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CALCULATING COMPUTING COUNTING ELECTRIC COMMUNICATION TECHNIQUE ELECTRIC DIGITAL DATA PROCESSING ELECTRICITY INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER PHYSICS TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Beschreibung
Zusammenfassung:	A data recovery method and associated apparatus are provided. The method includes steps of: distinguishing a plurality of sampling values into a first group, a second group, a third group, and a fourth group; generating a first channel estimation value in response to sampling values of the second group and generating a second channel estimation value in response to sampling values of the third group; determining whether a first sampling value of the first group is smaller than the first channel estimation value or a second sampling value of the fourth group is smaller than the second; if true, changing a sign of the first sampling value or the second sampling value and then outputting all the sampling values; and if not true, outputting all the sampling values.