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1. 发明申请

WO2007005442A3 DETECTION OF COINCIDENT RADIATIONS IN A SINGLE TRANSDUCER BY PULSE SHAPE ANALYSIS 审中-公开
标题翻译：用脉冲形状分析法检测单个传感器中的辐射
公开(公告)号：WO2007005442A3
公开(公告)日：2007-08-02
申请号：PCT/US2006025114
申请日：2006-06-27
申请人： WARBURTON WILLIAM K , TAN HUI , HENNIG WOLFGANG
发明人： WARBURTON WILLIAM K , TAN HUI , HENNIG WOLFGANG
IPC分类号： G01T1/20
CPC分类号： G01T1/172 , G01T1/2006 , G01T1/2008 , G01T1/2928
摘要： Pulse shape analysis determines if two radiations are in coincidence. A transducer is provided that, when it absorbs the first radiation produces an output pulse that is characterized by a shorter time constant and whose area is nominally proportional to the energy of the absorbed first radiation and, when it absorbs the second radiation produces an output pulse that is characterized by a longer time constant and whose area is nominally proportional to the energy of the absorbed second radiation. When radiation is absorbed, the output pulse is detected and two integrals are formed, the first over a time period representative of the first time constant and the second over a time period representative of the second time constant. The values of the two integrals are examined to determine whether the first radiation, the second radiation, or both were absorbed in the transducer, the latter condition defining a coincident event.
摘要翻译：脉冲形状分析确定两个辐射是否重合。提供了一种传感器，其在吸收第一辐射时产生输出脉冲，其特征在于较短的时间常数，并且其面积与所吸收的第一辐射的能量名义上成比例，并且当它吸收第二辐射时产生输出脉冲其特征在于较长的时间常数，其面积与所吸收的第二辐射的能量名义上成比例。当吸收辐射时，检测输出脉冲并形成两个积分，第一个代表第一时间常数，第二个代表第二时间常数。检查两个积分的值以确定第一辐射，第二辐射或二者是否在换能器中被吸收，后者的条件定义了一致事件。

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