Error correction of system transfer function by use of input com

Details Error correction of system transfer function by use of input com Error correction of system transfer function by use of input com

1997-09-04

2000-03-14

Shah, Kamini

Data processing: measuring, calibrating, or testing

Calibration or correction system

Timing

702 90, 378 14, 324 7677, H03K 513

Patent

active

060385189

ABSTRACT:
A technique to modify the input data to any system so as to cancel errors in the transfer function of that system. The system error response to each possible input amplitude transition is determined. A compensating input sequence is calculated which compensates for this error. The error-correcting sequence is stored in memory for each possible transition. These pattern sequences exactly cancel errors in the response to each of the possible, individual sample-to-sample transitions. For each of any series of input data sample transitions, the appropriate correction sequence is recalled from memory. The composite corrected input is the sum of Y correction sequences from Y preceding sample transitions.

REFERENCES:
patent: 5220589 (1993-06-01), Gard
patent: 5351000 (1994-09-01), Farwell
patent: 5777813 (1998-07-01), Sun et al.

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