| 摘要 |
FIELD: medicine. ^ SUBSTANCE: system contains installed in direction of irradiation from X-ray source X-ray screen, optic system of image transfer from screen to photosensitive CCD-matrix, whose outlet is connected with image processing unit. In plane of X-ray screen irradiation and beyond its irradiation surface installed are, at least, three test structures, provided with controlled sources of primary irradiation. Sources are installed in such a way that each test structure is in direct way of the rays from them. ^ EFFECT: application of invention makes it possible to extend possibilities of testing adjustment of sharpness of digital x-ray irradiation receivers. ^ 3 cl, 2 dwg |
