Digital simulation model for forward looking infrared (FLIR) sen

Details Digital simulation model for forward looking infrared (FLIR) sen Digital simulation model for forward looking infrared (FLIR) sen

1989-10-20

1991-08-27

Lall, Parshotam S.

Boots, shoes, and leggings

G06F 1566

Patent

active

050439308

ABSTRACT:
A forward looking infrared (FLIR) sensor digital simulation model in which he optics modulation transfer function (MTF) is applied to a set of input scene two dimensional digital data in the spatial domain without transferring the data into the frequency domain. The optics are prior to downsampling detectors. A fast Fourier transform (FFT) is performed on the downsampled two dimensional scene map to convert from the spatial domain to the frequency domain. The effects of MTFs on the other components of the FLIR system are simulated and white noise to the detectors is simulated then the scene map has an inverse FFT performed thereon to convert back to the spatial domain for display to an observer.

REFERENCES:
patent: 4512745 (1985-04-01), Mohon et al.
patent: 4768156 (1988-08-01), Whitehouse et al.
patent: 4873657 (1989-10-01), Kornfeld
patent: 4952922 (1990-08-01), Griffin et al.

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