Equipment for the radiography of a load, comprising a reference block, and associated method

A method for the radiography of a load, the method comprising the following steps:

• a) emitting a pulse of divergent X-rays from a source, the load and the source being in motion relative to one another;
• b) from the X-ray pulse, forming an incident X-ray beam using a collimator, and irradiating a section of the load extending along a median plane;
• and
• c) collecting the X-rays after they pass through the load in receiving sensors situated behind the load in the extension of the incident beam, and generating raw image signals corresponding to the X-ray doses received by the receiving sensors;
• steps a) and b) being iterated on successive sections of the load, said sections being defined by said motion and said pulse, so as to obtain a radiographic image of the load;
• the method further comprising a step d) in which a measurement is done of the X-ray doses received by at least two intermediate sensors of a reference block situated in the incident beam so as to be passed through by at least two separate angular sectors of the incident beam delimited in step b), generating independent reference signals corresponding to the doses measured by the intermediate sensors in each angular sector, and correcting the raw image signals obtained in step c) using reference signals.