| 摘要 |
Method for scanning the internal quality of logs envisaging the irradiation of at least a longitudinal section (4) of a log (1) with a beam (2) of electromagnetic radiations while this is made to move forward axially along a movement trajectory while at the same time creating a relative helical movement between the log (1) and the beam (2) of electromagnetic radiations. For a plurality of distinct positions of the log (1) the residual intensity is detected of the electromagnetic radiations that have crossed the longitudinal section (4) and the reciprocal position and spatial orientation of the longitudinal section (4) itself and the beam (2). The reciprocal position is then determined of the longitudinal sections of the log (1) in relation to which the residual intensity has been detected and the internal conformation can be reconstructed of the log (1) by means of a tomographic processing of the residual intensities detected for each position of the log (1), wherein account is taken of the reciprocal arrangement of the various longitudinal sections detected the one to the other and with respect to the beam (2).
|
