In one aspect, it is disclosed a system for inspection of a load, comprising: a detection device configured to detect, after transmission through the load, successive radiation pulses emitted at a predetermined frequency by a source, the load being in movement in an inspection direction, at an inspection speed with respect to the system, the detection device comprising a matrix of a plurality of arrays of detectors, wherein the matrix has a width associated with the inspection direction, the width of the matrix being based on the inspection speed of the load and the predetermined frequency of the successive radiation pulses.