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    • 9. 发明申请
    • ELECTROMAGNETIC FIELD DETECTION SYSTEMS AND METHODS
    • 电磁场检测系统及方法
    • WO2011047379A3
    • 2011-08-11
    • PCT/US2010053056
    • 2010-10-18
    • EMPRIMUS INCJACKSON DAVIDFUCHS GREGFAXVOG FREDERICK RNOE TERRENCE R
    • JACKSON DAVIDFUCHS GREGFAXVOG FREDERICK RNOE TERRENCE R
    • G01R29/08G01R31/00
    • G01R29/0814G01R15/185G01R19/20G01R29/0878
    • Detectors and other apparatus for determining the presence of electromagnetic events are disclosed. One such system includes an electromagnetically shielded enclosure and a detector configured to detect an electromagnetic field event occurring in the proximity of the enclosure. The detector includes an antenna and a circuit electrically connected to the antenna. The circuit includes electronics communicatively connected to the antenna via a direct current isolation circuit, and an equalizer compensating for the differentiating frequency response of the antenna. The circuit also includes a logarithmic amplifier electrically connected to the equalizer and configured to generate a range of signals based on signals received at the antenna, and a peak detector receiving signals from the logarithmic amplifier and configured to capture a peak value of the signals. An electromagnetic field event is detected at least in part based on the peak signal value.
    • 公开了用于确定电磁事件的存在的检测器和其它装置。 一种这样的系统包括电磁屏蔽的外壳和被配置为检测在外壳附近发生的电磁场事件的检测器。 检测器包括天线和与天线电连接的电路。 电路包括通过直流隔离电路与天线通信地连接的电子器件,以及补偿天线的微分频率响应的均衡器。 电路还包括电连接到均衡器并且被配置为基于在天线处接收的信号产生一定范围的信号的对数放大器,以及峰值检测器,其接收来自对数放大器的信号,并且被配置为捕获信号的峰值。 至少部分地基于峰值信号值来检测电磁场事件。