This part of GB/T 23901 specifies the method for determining the geometric unsharpness of radiography and real-time radiography systems.
GB/T 23901.5-2009 Referenced Document
GB/T 19943-2005 Non-destructive testing.Radiographic examination of metallic materials by X-and gamma-rays.Basic rules
GB/T 23901.1-2009 Non-destructive testing.Image quality of radiographs.Part 1:Image quality indicators (wire type).Determination of image quality value
GB/T 23901.2-2009 Non-destructive testing.Image quality of radiographs.Part 2:Image quality indicators (step/hole type).Determination of image quality value
GB/T 23901.5-2009 history
2019GB/T 23901.5-2019 Non-destructive testing—Image quality of radiographs—Part 5: Determination of the image unsharpness and basic spatial resolution value using duplex wire-type image quality indicators
2009GB/T 23901.5-2009 Non-destructive testing.Image quality of radiographs.Part 5:Image quality indicators(duplex wire type).Determination of image unsharpness value