Analog offset compensation technique

Details Analog offset compensation technique Analog offset compensation technique

1986-12-24

1988-09-13

Shoop, Jr., William M.

Coded data generation or conversion

Converter compensation

382 50, 341155, H03M 112

Patent

active

047712678

ABSTRACT:
The invention claims a method (and system) for correcting an analog signal for undesired signal components comprising the steps of (and means for) receiving the analog signal; digitizing the analog signal to generate a raw digital signal; processing the raw digital signal to generate a digital correction signal; converting the digital correction signal to an analog correction signal; and applying the analog correction signal to the analog signal to generate a corrected analog signal.
The method and system may be adapted to correct for a set of undesired components, or to correct a train of analog signals. The method and system may be used for correcting digital signals. In a particular embodiment, the method and system may be used to correct for offset and/or gain nonuniformities in the output signals from detector elements in a focal plane array.

REFERENCES:
patent: 4353060 (1982-10-01), Endoh
patent: 4503421 (1985-03-01), Hareyama et al.

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