Abstract

A raster-type CRT display has been investigated as a means of improving the visual detection of weak radar signals. Two raster displays of different sizes were compared with a single-trace display under two conditions of screen brightness and signal-noise levels. The smaller of the two rasters was found to give significantly lower detection thresholds; its greatest superiority is shown, however, at the lower signal-noise and brightness levels.

© 1954 Optical Society of America

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