| 摘要 |
A material sheet attribute detection system, the material sheet having a first side and a second side, the system includes a radiation source located proximate to the first side of the material sheet, the radiation source emitting radiation toward the material sheet, a radiation detection array located proximate to the second side of the material sheet, the radiation detection array producing at least one signal based on the radiation detected from the radiation source and a processor utilizing the at least one signal to determine a position of the material sheet.
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