A simple test for evaluating the special responsivity of monochrome television cameras
Joseph C. Richmond, Law Enforcement Standards Laboratory, National Institute of Law Enforcement and Criminal Justice
The Institute : for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1977., 1977 - Technology & Engineering - 24 pages
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amplified angle of view aperture plate automatic gain control cathetometer cathode ray tube color temperature composite video Criminal Justice Enforcement and Criminal equipment filter and diffuser filter-diffuser combination filter-diffuser pair function gamma input face Institute of Law interference filters IRE units irradiance Law Enforcement Communications LESL light levels light source linear measured and recorded measured luminance measured transmittances bottom monitor is adjusted monochrome television cameras National Institute Night Vision Devices NILECJ nm FIGURE nm filter noise band normal objective lens peak wavelengths photocathode photocurrent photometer Photon noise photosensitive surface quartz-halogen lamp range relative luminance relative spectral responsivity responsivity of monochrome scene viewed shot noise signal-to-noise ratio spectral radiance spectral responsivity curve Spectral transmittance step wedge television camera tube temperature of 2856 Terms and Definitions top curve transmittances bottom curve tripod TV monitor U.S. Department vertical sync pulse video signal produced video signal proper voltage waveform monitor