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    • 3. 发明授权
    • System and method of determining timing triggers for detecting gamma events for nuclear imaging
    • 确定用于核成像的γ事件的定时触发的系统和方法
    • US08969814B2
    • 2015-03-03
    • US13589350
    • 2012-08-20
    • Debora HenselerPeter HansenMeinrad Schienle
    • Debora HenselerPeter HansenMeinrad Schienle
    • G01T1/20G01T1/164
    • G01T1/164G01T1/248G01T1/2985H03K3/033
    • Systems and methods of generating timing triggers to determine timing resolutions of gamma events for nuclear imaging includes receiving a pulse signature representing a succession of triggers associated with a photomultiplier. When a number of triggers occurring within a predetermined time interval matches a predetermined number, an event trigger can be initiated. A delayed version of the pulse signature can be generated and compared to a predetermined timing trigger level. When the delayed version matches the predetermined timing trigger level, a timing trigger can be generated. Based on the timing trigger level, the timing trigger can be generated at the pulse of the delayed version that corresponds to the first photoelectron of a gamma event. The timing trigger can correspond to a timestamp for the first photoelectron so that a data acquisition system can identify the pulse from which to acquire energy information to generate a nuclear image.
    • 产生定时触发以确定用于核成像的伽马事件的定时分辨率的系统和方法包括接收表示与光电倍增管相关联的一系列触发器的脉冲签名。 当在预定时间间隔内发生的多个触发符合预定数量时,可启动事件触发。 可以生成延迟版本的脉冲签名并将其与预定的定时触发电平进行比较。 当延迟版本与预定定时触发电平相匹配时,可以产生定时触发。 基于定时触发电平,可以在对应于γ事件的第一光电子的延迟版本的脉冲上产生定时触发。 定时触发可以对应于第一光电子的时间戳,使得数据采集系统可以识别从其获取能量信息以产生核图像的脉冲。
    • 4. 发明申请
    • System and Method of Determining Timing Triggers for Detecting Gamma Events for Nuclear Imaging
    • 确定用于核成像的伽马事件的定时触发器的系统和方法
    • US20140048711A1
    • 2014-02-20
    • US13589350
    • 2012-08-20
    • Debora HenselerPeter HansenMeinrad Schienle
    • Debora HenselerPeter HansenMeinrad Schienle
    • G01T1/164H03K3/00
    • G01T1/164G01T1/248G01T1/2985H03K3/033
    • Systems and methods of generating timing triggers to determine timing resolutions of gamma events for nuclear imaging includes receiving a pulse signature representing a succession of triggers associated with a photomultiplier. When a number of triggers occurring within a predetermined time interval matches a predetermined number, an event trigger can be initiated. A delayed version of the pulse signature can be generated and compared to a predetermined timing trigger level. When the delayed version matches the predetermined timing trigger level, a timing trigger can be generated. Based on the timing trigger level, the timing trigger can be generated at the pulse of the delayed version that corresponds to the first photoelectron of a gamma event. The timing trigger can correspond to a timestamp for the first photoelectron so that a data acquisition system can identify the pulse from which to acquire energy information to generate a nuclear image.
    • 产生定时触发以确定用于核成像的伽马事件的定时分辨率的系统和方法包括接收表示与光电倍增管相关联的一系列触发器的脉冲签名。 当在预定时间间隔内发生的多个触发符合预定数量时,可启动事件触发。 可以生成延迟版本的脉冲签名并将其与预定的定时触发电平进行比较。 当延迟版本与预定定时触发电平相匹配时,可以产生定时触发。 基于定时触发电平,可以在对应于γ事件的第一光电子的延迟版本的脉冲上产生定时触发。 定时触发可以对应于第一光电子的时间戳,使得数据采集系统可以识别从其获取能量信息以产生核图像的脉冲。