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    • 7. 发明申请
    • STABILIZATION OF A SCINTILLATION DETECTOR
    • 扫描探测器的稳定性
    • US20100001201A1
    • 2010-01-07
    • US12259111
    • 2008-10-27
    • Jurgen SteinGuntram Pausch
    • Jurgen SteinGuntram Pausch
    • G01T1/20G01T1/40
    • G01T1/40G01T1/208
    • A detector for the measurement of radiation, preferably ionizing radiation, includes a medium, means for the conversion of the radiation energy absorbed by the medium into electrical charge, means for digital sampling of the charge signals, means for the determination of a calibration factor K, and means for the stabilization of the output signals of the detector. The medium at least partly absorbs the radiation to be measured. The electric charge is at least partially proportional to the energy of the radiation. The sampling is done preferably with a sampling rate between 1 and 1000 MHz. Further signal processing is digital. The calibration factor K has a fixed relation with respect to the decay time τ of the medium. The output signals of the detector are mainly proportional to the radiation energy, and are stabilized with the help of the calibration factor K.
    • 用于测量辐射,优选电离辐射的检测器包括介质,用于将由介质吸收的辐射能转换成电荷的装置,用于对电荷信号进行数字采样的装置,用于确定校准因子K 以及用于稳定检测器的输出信号的装置。 该介质至少部分地吸收要测量的辐射。 电荷至少部分地与辐射的能量成比例。 采样速率优选在1到1000 MHz之间。 进一步的信号处理是数字的。 校准因子K相对于介质的衰减时间τ具有固定的关系。 检测器的输出信号主要与辐射能成比例,并借助校准因子K稳定。
    • 8. 发明申请
    • Method for Signal Separation in Scintillation Detectors
    • 闪烁探测器信号分离方法
    • US20090146073A1
    • 2009-06-11
    • US11718852
    • 2004-11-08
    • Jurgen SteinGuntram Pausch
    • Jurgen SteinGuntram Pausch
    • G01T1/208
    • G01T7/005G01J1/10G01J1/16G01J2001/1668G01J2001/4238G01T1/1647G01T1/20
    • Method for separation of effective pulses and test pulses in scintillation detectors, preferably for detection of ionizing radiation, comprising at least the following method steps: Selecting a pulsed test light source, preferably a pulsed LED, with single test light pulses of which has a chronological sequence of the relative light intensity, which differs from the chronological sequence of the relative light intensity of the measurement light pulses, feeding the test light pulses generated by the test light source into the light detector of the scintillation detector for measurement of the test light pulses by the light detector, analyzing the chronological sequence of the relative light intensities of the pulses measured by the scintillation detector, separating the measured pulses by using the different chronological sequences of the relative light intensities in test light pulses and measurement light pulses.
    • 用于分离闪烁检测器中的有效脉冲和测试脉冲的方法,优选用于检测电离辐射,包括至少以下方法步骤:选择脉冲测试光源,优选脉冲LED,其中单个测试光脉冲具有时间顺序 相对光强度的顺序与测量光脉冲的相对光强度的时间顺序不同,将由测试光源产生的测试光脉冲馈送到用于测量测试光脉冲的闪烁检测器的光检测器中 通过光检测器分析由闪烁检测器测量的脉冲的相对光强度的时间顺序,通过使用测试光脉冲和测量光脉冲中的相对光强度的不同时间顺序来分离测量的脉冲。
    • 9. 发明授权
    • Circuit arrangement for the digital processing of semiconductor detector
signals
    • 用于数字处理半导体检测器信号的电路布置
    • US5307299A
    • 1994-04-26
    • US988095
    • 1992-12-09
    • Jurgen SteinAndrey GeorgievAndree BuchnerWerner Gast
    • Jurgen SteinAndrey GeorgievAndree BuchnerWerner Gast
    • G01T1/24G06F15/336
    • G01T1/24G01T1/171
    • A system for processing the signals from a gamma or other radiation detector through a charge-sensitive preamplifier, makes use of a fast analog to digital converter at the input, preferably downstream of an anti-aliasing filter, and circuitry for the deconvolution of the signal in which the preamplifier transfer function is convoluted with the charge distribution function The deconvolution results which are free from any charge related to any radiation event are averaged and subtracted from the averaged value of the deconvolution results, which results contain completely the charge of the event under processing, and the subtracted signal through a register provides the output. The system represents a significant improvement with respect to the ballistic deficit suppression and with respect to the noise index-counting rate factor allowing a significant improvement in the counting rate for a given noise level or a higher resolution for a given counting rate.
    • 用于通过电荷敏感性前置放大器处理来自伽马或其他辐射检测器的信号的系统利用在反混叠滤波器的输入端,优选地在反混叠滤波器的下游的快速模数转换器,以及用于信号去卷积的电路 其中前置放大器传递函数与电荷分布函数进行卷积。对于与任何辐射事件相关的任何电荷没有的反卷积结果进行平均,并从去卷积结果的平均值中减去,结果完全包含事件的电荷 处理,并且通过寄存器的减法信号提供输出。 该系统对于防弹性的抑制和相对于噪声指数计数速率因子的显着改进,允许给定噪声水平的计数率显着提高或给定计数率的较高分辨率。