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US09123383B1 Zero phase start estimation in readback signals 有权
回读信号中的零相位起始估计

Zero phase start estimation in readback signals
摘要:
A data storage system identifies analog-to-digital conversion samples with amplitude below a certain threshold. Remaining samples are grouped according to phase into one or more quadrants. A multi-coordinate with overlapping quadrants is used to further differentiate sample points. The system then computes an average phase for zero phase start estimation.
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