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    • 5. 发明授权
    • Frequency selective surface devices for separating multiple frequencies
    • 用于分离多个频率的频率选择性表面装置
    • US06208316B1
    • 2001-03-27
    • US08927638
    • 1997-09-11
    • Robert Cahill
    • Robert Cahill
    • H01Q1523
    • H01Q15/0033
    • A frequency selective surface devise is described. The device separates or combines two channels by using two or three spaced layers of resonant elements which may be loops or tripoles and which are coupled and which have interactive effects between layers such that the relatively broad transmission and reflection bands characteristic of resonant elements are modified by reinforcement of multiple reflection between the layers in the manner of a Fabry-Perot etalon effect in order to increase the sharpness of the transition of the transmission and reflection bands and thereby to permit combination or separation of closely spaced channels.
    • 描述频率选择性表面设计。 该装置通过使用两个或三个间隔开的谐振元件层分离或组合两个通道,谐振元件可以是环路或三极,并且它们被耦合并且在层之间具有交互作用,使得谐振元件特征的相对宽的透射和反射带被 以法布里 - 珀罗标准具效应的方式加强层之间的多重反射,以增加透射和反射带的转变的清晰度,从而允许紧密间隔的通道的组合或分离。