Characterization, Propagation, and Simulation of Sources and Backgrounds, Volume 1The Society, 1991 - Infrared imaging |
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Page 27
... elevation of 0 ° to coincide with the horizon . 3. SEA STATE CLUTTER ANALYSIS 3 Definitions of sea states are based on a set of surface descriptions , such as surface smoothness and wavelength . From the wave slope statistics model of ...
... elevation of 0 ° to coincide with the horizon . 3. SEA STATE CLUTTER ANALYSIS 3 Definitions of sea states are based on a set of surface descriptions , such as surface smoothness and wavelength . From the wave slope statistics model of ...
Page 28
... Elevation ( deg ) Sea state 2 ( 15-2-90 11:45 MET ) -1 Elevation ( deg . ) Sea state 4 ( 15-2-90 14:55 MET ) Elevation ( deg . ) Sea state 6 ( 15-2-90 10:14 MET ) Elevation ( deg . ) O 0.8 0.6 0.4 2 1 0.8 0.6 0.4 0.2 2 པ • 2 2 1 0.8 0.6 ...
... Elevation ( deg ) Sea state 2 ( 15-2-90 11:45 MET ) -1 Elevation ( deg . ) Sea state 4 ( 15-2-90 14:55 MET ) Elevation ( deg . ) Sea state 6 ( 15-2-90 10:14 MET ) Elevation ( deg . ) O 0.8 0.6 0.4 2 1 0.8 0.6 0.4 0.2 2 པ • 2 2 1 0.8 0.6 ...
Page 32
... elevation angles . We have chosen 0.5 , 1.0 , 1.5 , 2.0 , 2.5 ° below the horizon . The data of an elevation of 1 ° below the horizon are shown in figure 8. From the data we see structures extending in time up to 2 seconds ( the whole ...
... elevation angles . We have chosen 0.5 , 1.0 , 1.5 , 2.0 , 2.5 ° below the horizon . The data of an elevation of 1 ° below the horizon are shown in figure 8. From the data we see structures extending in time up to 2 seconds ( the whole ...
Contents
Volume 1486 | 9 |
CHARACTERIZATION AND ANALYSIS | 67 |
MODELING | 163 |
Copyright | |
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algorithm AMTF analysis angle atmospheric average background band beam blackbody calculated characteristics cloud component contrast correlation length corresponding curve defined detection detector diode disc display distance distribution effects elevation EMAT emission equation evaluation factor false alarms filter FLIR Fourier fractal dimension frame grabber function gaussian Hilbert-scan histogram horizontal IASPM image intensifiers imagery infrared input integral intensity interface laser LOWTRAN MCPath Meas measured method Naval Postgraduate School noise observer optical output parameters path radiance performance pixel plane plume power law power spectrum prediction profiles radiation radiosity range relative resolution scale scan scene sensor shown in Figure shows simulation space-filling curves spatial frequency spectral statistics structure target signature technique temperature terrain texture texture map thermal images transmittance turbulence U.S. Army values variance vertical visual wavelength wind speed