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    • 2. 发明申请
    • METHOD AND SYSTEM FOR DETECTION OF POSSIBLY HARMFUL ITEMS
    • 用于检测可能的有害物品的方法和系统
    • WO2008008035A1
    • 2008-01-17
    • PCT/SE2007/050519
    • 2007-07-11
    • JAKOBSSON, AndreasMOSSBERG, Magnus
    • JAKOBSSON, AndreasMOSSBERG, Magnus
    • G01N24/00G01R33/44
    • G01R33/441G01N24/084
    • This invention relates to a method for detection of items, especially hazardous items, wherein nuclear quadrupole resonance (NQR) is used comprising: providing a transmitter (1) to apply radio frequency pulses (10), providing a receiver (3) with multiple sensors (31, 32, 33), and providing a data processing unit (4), applying the item (2) with radio frequency pulses from the transmitter (1), measuring the excited signals (20) from the item (2) together with signals due to interference (5) by means of the receiver (3), data processing the measured signals (30) in the data processing unit (4) to perform a detection and presenting a result of the detection by means of an information device (5), wherein in the data treatment step merely a limited, chosen frequency range of interest is being treated and that the temperature dependency of the limit chosen NQR frequencies being incorporated in said treatment.
    • 本发明涉及一种用于检测物品,特别是危险物品的方法,其中使用了核四极共振(NQR),包括:提供发射器(1)以施加射频脉冲(10),为接收器(3)提供多个传感器 (31,32,33),并且提供数据处理单元(4),利用来自所述发射器(1)的射频脉冲应用所述项目(2),从所述物品(2)连同所述激励信号(20) 通过接收器(3)由于干扰(5)引起的信号,数据处理数据处理单元(4)中的测量信号(30),以便通过信息装置执行检测和呈现检测结果( 5),其中在数据处理步骤中仅仅处理有限的所选择的感兴趣的频率范围,并且将所选择的极限选择的NQR频率的温度依赖性并入所述处理中。