FIELD: physics, measurement.
SUBSTANCE: invention is intended for use in radiography digital visualising systems, in particular in radiographic devices for medical diagnostics. Problem solved by the staged invention consists in the following: in the available method of multi-energy radiography that consists in the fact that several pictures are made at different values of anode voltage, and pictures processing provides for separate images of soft and bone tissues, different values of anode voltage are achieved by means of pictures registration at different moments of time in action of alternating or pulsating anode voltage, which energizes X-ray tube.
EFFECT: extended service life of X-ray tube, and also reduced dose and time required for examination, which makes it possible to reduce relative shifts of images.
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