Prediction of Viking lander camera image quality
Friedrich O. Huck, Langley Research Center, United States. National Aeronautics and Space Administration
National Aeronautics and Space Administration, 1976 - Photography - 74 pages
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array azimuth angle Burcher calibration camera elevation angle camera gains Cone geometry cone signal-to-noise ratio deg see fig detectable cone diameter dimensionless dimensionless variable diodes dynamic range Emittance angle e0 facsimile camera field of view formulated four illumination scattering frequency response gain number Hankel transform High resolution Huck illumination scattering characteristics illumination scattering function image data Image quality depends image quality predictions imaging mode instantaneous field lens light incidence angle lighting and viewing Mariner 9 Mars Thorpe minimum detectable albedo minimum detectable cone narrowband NASA NASA TN noise objective lens parameters photodiode photodiode current photosensor aperture photosensor-array output voltages pixels plotted in figure preamplifier quality depends strongly quantization noise rapid scan reference test chart sampler area scan rate shadow shot noise signal-to-noise ratio S/N spatial details spatial frequency strong backscatter Sun elevation angles surface albedo surface normal surface radiance properties tribar variations viewing geometry Viking lander camera wavelength