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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.

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At least 1,027 records · Page 57

Screen of cylindrical lenses produces stereoscopic television pictures

Stereoscopic television pictures are produced by placing a colorless, transparent screen of adjacent parallel cylindrical lenses before a raster from two synchronized TV cameras. Alternate frames from alternate cameras are displayed. The viewers sensory perception fuses the two images into one three-dimensional picture.

Nork, C. L.↗

Speech communication

Computer analysis of speech, vowel perception by children, and articulatory activity during production of intervocalic fricative consonants

COMPUTER METHOD↗

Vision in space travel

Laboratory experiments and Voskhod flight data on vision sharpness, efficiency, and perception during space flights

VISION↗

Occulting-filter method for obtaining flashing-light visibility data

Occulting-filter technique allows several types of flashing-light visibility data necessary for rendezvous and docking maneuvers, to be obtained for studying the perception of flashes at the visual threshold. The indications are that the method can be used to compare sources of radically different spectral composition.

Hardy, A. C.↗