SOME ASPECTS OF THE SQUARE WAVE RESPONSE FUNCTION OF RADIOGRAPHIC SCREEN-FILM SYSTEMS

1 July 1969

journal article
Published by American Roentgen Ray Society in American Journal of Roentgenology

Vol. 106 (3) , 650-654
https://doi.org/10.2214/ajr.106.3.650

Abstract

The square wave response function (SWRF) is a convenient means for comparing the light-diffusion properties of screen-film systems; SWRF's are presented in this paper for several common screenfilm systems. Experiments have shown that the measured SWRF is in agreement with that calculated from the line spread-function. The invariance of the SWRF with x-ray energy is demonstrated over a wide range of radiation qualities.

Keywords

FUNCTION
SQUARE WAVE
WAVE RESPONSE
AGREEMENT
RADIOGRAPHIC
CONVENIENT
INVARIANCE
SCREENFILM
SPREAD

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