| 摘要 |
PURPOSE:To provide an ECT device obtaining accurate energy signals when radiation is detected astride detecting units by Compton scattering. CONSTITUTION:Energy signals are added for every two adjacent detecting units by an energy adding circuit 31, two adjacent detecting units concurrently detecting radiation are detected by a concurrent detecting circuit 41, a signal selecting circuit 51 is controlled by its output, and the energy signal of one detecting unit and the outputs of both adjacent energy adding circuits are selected.
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