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    • 51. 发明申请
    • METHOD AND SYSTEM FOR AMPLITUDE DIGITIZATION OF NUCLEAR RADIATION PULSES
    • 核辐射脉冲放大器的方法和系统
    • US20130161528A1
    • 2013-06-27
    • US13807765
    • 2012-05-22
    • Yonggang WangWensong ZhuJun Chen
    • Yonggang WangWensong ZhuJun Chen
    • G01T1/17
    • G01T1/17
    • Disclosed are methods and systems for amplitude digitization of nuclear radiation pulses. The method includes: applying a constant fraction discrimination (CFD) timing process on a subject current signal and outputting a CFD timing signal; applying a shaping process on the subject current signal to obtain a subject shaped signal; comparing, from a time To, values taken at the same time by the subject shaped signal and a dynamic threshold signal, and taking a time Tot as an over-threshold time if the value of the dynamic threshold signal changes from less than the value of the subject shaped signal to not less than the value of the subject shaped signal at the time Tot, wherein a time length between the time To and the arrival time Td of the subject current signal is preset as ΔT; converting a time length between the time Td and the time Tot into a digital quantity as a digitized value of the amplitude of the nuclear radiation pulse; wherein for any two subject shaped signals having amplitudes Vot1 and Vot2, respectively, the dynamic threshold signal satisfies an equation Tot   2 - To Vot   2 = Tot   1 - To Vot   1 , Tot1 represents an over-threshold time for one of the subject shaped signals compared with the dynamic threshold signal, and Tot2 represents an over-threshold time for the other of the subject shaped signals compared with the dynamic threshold signal.
    • 公开了用于核辐射脉冲幅度数字化的方法和系统。 该方法包括:对目标电流信号应用恒定分数判别(CFD)定时处理并输出CFD定时信号; 对被摄体电流信号施加整形处理以获得被摄体成像信号; 从时间To比较由对象整形信号和动态阈值信号同时获取的值,并且如果动态阈值信号的值从小于该阈值的值,则将时间Tot作为过阈值时间 被摄体整形信号不小于在时间Tot处的被摄体成像信号的值,其中,被摄体电流信号的时间To与到达时间Td之间的时间长度被预设为DeltaT; 将时间Td和时间Tot之间的时间长度转换为数字量作为核辐射脉冲幅度的数字化值; 其中对于分别具有幅度Vot1和Vot2的任何两个被摄体成像信号,动态阈值信号满足等式Toten 2 2 - ToVoté2 2 = Tot 1 2 - Tot 1 Tot 1表示过阈值 与动态阈值信号相比,对象成像信号之一的时间,Tot2表示与动态阈值信号相比的对象成形信号中的另一个的过阈值时间。
    • 59. 发明申请
    • HANDOVER METHOD AND USER EQUIPMENT
    • 切换方法和用户设备
    • US20120014264A1
    • 2012-01-19
    • US12673024
    • 2008-07-21
    • Yonggang Wang
    • Yonggang Wang
    • H04W36/24H04W24/00
    • H04W36/08H04W36/30H04W72/005
    • Disclosed is method and user equipment for performing a handover between a MBSFN area and a non-MBSFN area in a communication network. The communication network comprises a first cell constituting a MBSFN area, a second cell not constituting the MBSFN area, and a reserved cell between the first cell and the second cell being subordinate to the MBSFN area, reserved cell indication information being broadcast in the reserved cell, the method comprises steps of: receiving the reserved cell indication information to learn that a user equipment is located in the reserved cell; measuring in the reserved cell, for a preset service, a first signal strength based on MBMS transmission and a second signal strength based on single-cell transmission; and selecting the first cell or the second cell as a target cell during a period in which a difference between the first signal strength and the second signal strength is lower than a preset threshold. When the user equipment moves between different communication areas, the method of the present invention can provide continuous MBMS service for the user.
    • 公开了用于在通信网络中的MBSFN区域与非MBSFN区域之间进行切换的方法和用户设备。 通信网络包括构成MBSFN区域的第一小区,不构成MBSFN区域的第二小区,以及属于MBSFN区域的第一小区与第二小区之间的保留小区,保留小区指示信息在保留小区中广播 该方法包括以下步骤:接收保留的小区指示信息以了解用户设备位于预留小区中; 在预留小区中测量预设服务,基于MBMS传输的第一信号强度和基于单小区传输的第二信号强度; 以及在所述第一信号强度和所述第二信号强度之间的差低于预设阈值的时段期间,将所述第一小区或所述第二小区选择为目标小区。 当用户设备在不同的通信区域之间移动时,本发明的方法可以为用户提供连续的MBMS服务。