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1. 发明授权

US08259000B2 Reply detection in a secondary surveillance radar 有权
标题翻译：二次监视雷达中的回复检测
公开(公告)号：US08259000B2
公开(公告)日：2012-09-04
申请号：US12676298
申请日：2008-09-03
申请人： Fabrizio Fiori , Gaspare Galati , Stefano Gelli , Emilio Giuseppe Piracci
发明人： Fabrizio Fiori , Gaspare Galati , Stefano Gelli , Emilio Giuseppe Piracci
IPC分类号： G01S13/00
CPC分类号： G01S13/784 , G01S7/2922 , G01S13/782
摘要： The present invention relates to a detecting device for detecting an SSR signal having a characteristic structure. The detecting device comprises filtering means matched to the characteristic structure of the SSR signal, and means for maintaining a false-alarm rate at a substantially constant value. The characteristic structure of the SSR signal comprises either a preamble or an initial pulse and a final pulse separated by a fixed dwell time. The means for maintaining a false-alarm rate at a substantially constant value comprise computing means configured to compute a detection threshold on the basis of a signal supplied by the filtering means, and decision means configured to detect the SSR signal on the basis of the detection threshold and of the signal supplied by the filtering means.
摘要翻译：本发明涉及一种用于检测具有特征结构的SSR信号的检测装置。检测装置包括与SSR信号的特征结构相匹配的滤波装置，以及用于将误报率维持在基本上恒定的值的装置。 SSR信号的特征结构包括前同步码或初始脉冲，以及由固定停留时间分离的最终脉冲。用于将假警报速率保持在基本上恒定的值的装置包括被配置为基于由滤波装置提供的信号来计算检测阈值的计算装置，以及被配置为基于检测来检测SSR信号的判定装置阈值和由滤波装置提供的信号。

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