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    • 1. 发明授权
    • Reduced cavity wideband multi polar spiral antenna
    • 减少空腔宽带多极螺旋天线
    • US08749451B1
    • 2014-06-10
    • US12932001
    • 2011-02-15
    • J. Michael ZamarronUmang R. PatelKurt S. Schuder
    • J. Michael ZamarronUmang R. PatelKurt S. Schuder
    • H01Q1/36
    • H01Q1/36H01Q1/28
    • A wideband antenna with backlobe elimination in a confined space is disclosed. Backlobe elimination is by an array of electromagnetically conductive members disposed between the spiral element and the ground plane and almost contacting the ground plane so as to bleed a backlobe away from the spiral antenna to the ground plane. In one embodiment, the members are conical elements disposed between the spiral element and the ground plane of a spiral antenna such that the apexes of the conical elements almost contact the spiral element and the bases of the conical elements contact the ground plane. In some embodiments, other means may be employed to perform this function. In operation, conical elements bleed the backlobe of the signal away from the spiral element to the ground plane.
    • 公开了一种在有限空间中消除背波的宽带天线。 背板消除是通过设置在螺旋元件和接地平面之间并几乎接触接地平面的电磁导电构件的阵列,以使背瓣从螺旋天线离开到接地平面。 在一个实施例中,构件是设置在螺旋形元件和螺旋天线的接地平面之间的锥形元件,使得圆锥形元件的顶点几乎接触螺旋元件,圆锥形元件的基部接触地平面。 在一些实施例中,可以采用其他手段来执行该功能。 在操作中,锥形元件将信号的背瓣从螺旋元件排出到接地平面。
    • 2. 发明授权
    • Highly agile wideband cavity impedance matching
    • 高度灵活的宽带腔阻抗匹配
    • US08681068B1
    • 2014-03-25
    • US12881946
    • 2010-09-14
    • Brett A. WilliamsKurt S. SchuderJ. Michael Zamarron
    • Brett A. WilliamsKurt S. SchuderJ. Michael Zamarron
    • H01Q1/52
    • H01Q9/27H01Q1/52
    • A technique for suppressing backwaves employs a photonic approach. In one aspect, the technique includes an apparatus, including: a radiating element; and a microwave-photonic device for suppressing backwaves from the radiating element. In a second aspect, the technique includes a method for removing unwanted radiation from a radiating device, comprising: receiving unwanted radiation from the radiating device; communicating the received radiation to an electro-optically active material; communicating laser light to the electro-optically active material; communicating electromagnetic products of interactions between the radiation and the laser light to a photodiode; and communicating photodiode outputs to a termination.
    • 抑制逆波的技术采用光子方法。 一方面,该技术包括一种装置,包括:辐射元件; 以及用于抑制来自辐射元件的反向波的微波光子器件。 在第二方面,该技术包括用于从辐射装置去除不需要的辐射的方法,包括:从辐射装置接收不想要的辐射; 将所接收的辐射传送到电光活性材料; 将激光传送到电光活性材料; 将辐射和激光之间的相互作用的电磁产品传送到光电二极管; 并将光电二极管输出连接到终端。