Signal processor for compensating detector non-uniformities

Details Signal processor for compensating detector non-uniformities Signal processor for compensating detector non-uniformities

1983-04-19

1986-02-25

Krass, Errol A.

Boots, shoes, and leggings

364553, 375 12, 455 63, G06F 1536, G01C 2500

Patent

active

045731330

ABSTRACT:
A signal processing device for the correction of signal amplitude distortion occurring in a plurality of signalling channels such as obtained from a detector array in which each detector has a different non-uniform response. Compensatory amplitude adjustment is made to each sampled signal in accordance with the statistical deviation of the signal from a preselected statistical model. A signal sampling device employs each sampled signal as a write-address for generating a statistical amplitude distribution function. Inverse distribution function means, responsive to addressing by the distribution function, provides an output signal of compensatorily modified amplitude for each signal sample.

REFERENCES:
patent: 4192005 (1980-03-01), Kurtz
patent: 4315319 (1982-02-01), White
patent: 4481596 (1984-11-01), Townzen
IEEE Trans. Circuits & Systems, Apr. 1981 (vol. CAS 28, No. 4), "An Error Cancellation Digital-Filter Structure and its Distributed-Arithmetic Implementation", Chang et al., pp. 339-342.

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