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    • 2. 发明授权
    • Shaped-beam or scanned beams reflector or lens antenna
    • 成形光束或扫描光束反射镜或透镜天线
    • US5598173A
    • 1997-01-28
    • US442142
    • 1995-05-16
    • Raimondo Lo FortiMarco Lisi
    • Raimondo Lo FortiMarco Lisi
    • H01Q3/26H01Q19/17H01Q13/00H01Q3/22
    • H01Q3/26H01Q19/17
    • Multiple shaped-beam or scanned beams reflector or lens antenna configured so as to have the radiating elements outside the focal plane (imaging) with improved characteristics in terms of gain and coverage area. Said antenna (FIG. 1) essentially consists of a reflector or a lens (1), a certain number of radiators (3) positioned outside the focal plane, a Beam Forming Network (BFN). It classifies in the technical field of multiple shaped-beam antennae and is applicable to radars, telecommunications in general and to space telecommunications in particular. Its most significant advantage consists in its use as transmitter antenna since in it the electric performance/complexity ratio is improved.
    • 多个成形光束或扫描光束反射器或透镜天线被配置为具有在增益和覆盖区域方面具有改进的特性的在焦平面(成像)之外的辐射元件。 所述天线(图1)主要由反射器或透镜(1),位于焦平面外部的一定数量的辐射器(3),波束形成网络(BFN)组成。 它在多形波束天线的技术领域进行分类,特别适用于雷达,通信和太空通信。 其最显着的优点在于其用作发射机天线,因为其中电性能/复杂性比率得到改善。
    • 6. 发明授权
    • Multishaped beam direct radiating array antenna
    • 多功能射束直接辐射阵列天线
    • US5548295A
    • 1996-08-20
    • US396201
    • 1995-02-28
    • Raimondo Lo FortiMarco Lisi
    • Raimondo Lo FortiMarco Lisi
    • H01Q3/40H01Q25/00H01Q3/22H01Q3/24H01Q3/26
    • H01Q25/00H01Q3/40
    • A multishaped beam direct radiating array antenna has a network on which high power beam forming sub-networks are disposed. The network is interposed between radiating elements and RF power amplifiers. This antenna is in addition constituted with a traditional network in which power combiners, phase shifters and inter-connection lines are provided. The most significant feature is that, with the help of the high power beam forming network, the correct amplitude and phase values, at the radiating element level, may be achieved without differentiating the RF power amplifier output levels, thus keeping its efficiency as high as possible. One of the advantages this configuration presents is the possibility to utilize only one antenna in comparison of the previous techniques in which the same results were obtained utilizing many radiating panels.
    • 多形光束直接辐射阵列天线具有设置高功率光束形成子网络的网络。 网络介于辐射元件和射频功率放大器之间。 该天线另外由传统网络构成,其中提供功率组合器,移相器和互连线。 最重要的特征是,在大功率波束形成网络的帮助下,可以在辐射元件电平的情况下实现正确的幅度和相位值,而无需区分RF功率放大器输出电平,从而保持其效率高达 可能。 该配置的优点之一是与使用许多辐射板获得相同结果的先前技术相比仅使用一个天线的可能性。