CRTs are unique in that the horizontal raster structure may affect the acauracy of the readings. A large circular aperture oould be used to Integrate energy from multiple lines, but it does not lend itself to scanning vertically oriented square-wave test patterns. A vertical slit aperture, oriented… … Figure 6. Variable-aperture photometer. CRT PARAMETERS CRT display characteristics can be categorized into geometric, electronic, and photometric entitles. Table 1 lists these parameters (Task, 1979). For the purposes of this disouBsion, only the modulation transfer funotion (MTF) will be discussed…
Pinkus, Alan R · Task, H. L · Harry g armstrong aerospace medical research lab wright-patterson afb oh · Fighter aircraft · Display systems · Images · Man machine systems · Image processing · Line of sight · Optical properties · Target recognition · Human factors engineering · Quality · Vision · Cathode ray tube screens · Helmet mounted displays · Head up displays
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