Computer Science – Performance
Scientific paper
Jul 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992spie.1686..104g&link_type=abstract
In: Test and evaluation of IR detectors and arrays II; Proceedings of the Meeting, Orlando, FL, Apr. 22, 23, 1992 (A94-12744 02-
Computer Science
Performance
Analog Data, Chips (Electronics), Focal Plane Devices, Infrared Imagery, Signal Processing, Modulation Transfer Function, Performance Tests
Scientific paper
The development of focal plane arrays with considerable on-chip processing, notably time-delayed integration, imposes new and severe requirements on the instrumentation to establish the modulation transfer function (MTF) of the integrated focal plane array. This paper describes an instrument to obtain the MTF for such arrays with a high level of accuracy. This instrument was built, and associated errors were obtained experimentally. The instrument uses sine-wave amplitude modulation across the spatial frequency spectrum to reach the Nyquist frequency of the focal plane array. Various algorithms to derive the MTF from the experimental data were investigated; the preferred approach is presented.
Adams W. Jr. F.
Golub S. L.
Gumbel H.
Jones Ray B.
Morimoto Kanji
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