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1. 发明申请

US20110267251A1 WIDE ANGLE MULTIBEAMS 有权
标题翻译：宽角多边形
公开(公告)号：US20110267251A1
公开(公告)日：2011-11-03
申请号：US12769418
申请日：2010-04-28
申请人： Daniel F. Mathews , Parthasarathy Ramanujam , Robert B. Mathews , Thomas M. Hikido , Louis R. Fermelia , Gary J. Gawlas
发明人： Daniel F. Mathews , Parthasarathy Ramanujam , Robert B. Mathews , Thomas M. Hikido , Louis R. Fermelia , Gary J. Gawlas
IPC分类号： H01Q15/14 , H01Q21/00 , H01Q9/16 , H01Q13/02
CPC分类号： H01Q1/288 , H01Q19/17 , H01Q25/007 , H04B7/18515
摘要： A method and system are disclosed for wide angle multibeam antennas. The method and system involve a multibeam antenna system for generating high performance multiple spot beams. In one or more embodiments, the multibeam antenna system includes an oversized antenna reflector and a plurality of antenna feeds. The oversized antenna reflector has its surface shape optimized from a normal parabolic shape in order to broaden and shape the reflected spot beams to improve antenna performance. In addition, the diameter of the oversized antenna reflector is greater than ((100*λ)/δ), where λ is the wavelength in inches and δ is the beam to beam spacing in degrees. In some embodiments, the ratio of the focal length of the oversized antenna reflector to the diameter of the oversized antenna reflector (F/D) is greater than 0.7. In at least one embodiment, the system further includes an antenna sub-reflector.
摘要翻译：公开了广角多波束天线的方法和系统。该方法和系统涉及用于产生高性能多点波束的多波束天线系统。在一个或多个实施例中，多波束天线系统包括过大的天线反射器和多个天线馈电。超大型天线反射器具有从正常抛物线形状优化的表面形状，以便扩大和形成反射的光束以改善天线性能。此外，尺寸过大的天线反射器的直径大于（（100 *λ）/δ），其中λ是以英寸为单位的波长，δ是以束为单位的光束间距。在一些实施例中，尺寸过大的天线反射器的焦距与超尺寸天线反射器的直径（F / D）的比率大于0.7。在至少一个实施例中，系统还包括天线子反射器。

2. 发明授权

US08552917B2 Wide angle multibeams 有权
标题翻译：广角多波束
公开(公告)号：US08552917B2
公开(公告)日：2013-10-08
申请号：US12769418
申请日：2010-04-28
申请人： Daniel F. Mathews , Parthasarathy Ramanujam , Robert B. Mathews , Thomas M. Hikido , Louis R. Fermelia , Gary J. Gawlas
发明人： Daniel F. Mathews , Parthasarathy Ramanujam , Robert B. Mathews , Thomas M. Hikido , Louis R. Fermelia , Gary J. Gawlas
IPC分类号： H01Q13/00
CPC分类号： H01Q1/288 , H01Q19/17 , H01Q25/007 , H04B7/18515
摘要： A method and system are disclosed for wide angle multibeam antennas. The method and system involve a multibeam antenna system for generating high performance multiple spot beams. In one or more embodiments, the multibeam antenna system includes an oversized antenna reflector and a plurality of antenna feeds. The oversized antenna reflector has its surface shape optimized from a normal parabolic shape in order to broaden and shape the reflected spot beams to improve antenna performance. In addition, the diameter of the oversized antenna reflector is greater than ((100*λ)/δ), where λ is the wavelength in inches and δ is the beam to beam spacing in degrees. In some embodiments, the ratio of the focal length of the oversized antenna reflector to the diameter of the oversized antenna reflector (F/D) is greater than 0.7. In at least one embodiment, the system further includes an antenna sub-reflector.
摘要翻译：公开了广角多波束天线的方法和系统。该方法和系统涉及用于产生高性能多点波束的多波束天线系统。在一个或多个实施例中，多波束天线系统包括过大的天线反射器和多个天线馈电。超大型天线反射器具有从正常抛物线形状优化的表面形状，以便扩大和形成反射的光束以改善天线性能。此外，尺寸过大的天线反射器的直径大于（（100 *λ）/ delta），其中λ是以英寸为单位的波长，delta是以束为单位的波束间距。在一些实施例中，尺寸过大的天线反射器的焦距与超尺寸天线反射器的直径（F / D）的比率大于0.7。在至少一个实施例中，系统还包括天线子反射器。

3. 发明授权

US4998113A Nested horn radiator assembly 失效
标题翻译：嵌套喇叭散热器总成
公开(公告)号：US4998113A
公开(公告)日：1991-03-05
申请号：US370659
申请日：1989-06-23
申请人： Krishnan Raghavan , Gary J. Gawlas , Paramjit S. Bains
发明人： Krishnan Raghavan , Gary J. Gawlas , Paramjit S. Bains
IPC分类号： H01Q21/28 , H01Q5/00 , H01Q5/47 , H01Q13/02
CPC分类号： H01Q13/02 , H01Q5/47
摘要： A horn radiator assembly includes two horn radiators each of which is formed as a conical horn and a waveguide of constant cross section connected to the small end of the horn as a feed and providing a signal port. The first of the horn radiators is of relatively large cross section and serves to radiate electromagnetic waves at a relatively low frequency. The second of the horn radiators is of relatively small cross section and serves to radiate electromagnetic waves at a relatively high frequency. The second radiator is nested within the first radiator, and is positioned with its radiating aperture coplanar with the radiating aperture of the first radiator. In the second radiator, the waveguide feed is provided with a bend allowing the waveguide feed to pass through a wall of the first radiator. A strut may be affixed to the bend to provide a symmetrical transverse support within the first radiator for the second radiator. A doubly-tapered electrically conductive sheet extends from an apex within the throat of the first radiator horn to the transverse support, and from there tapers back to contact the horn of the second radiator. The tapered sheet guides low-frequency radiation past the strut and the bend to minimize standing wave ratio.
摘要翻译：喇叭辐射器组件包括两个喇叭辐射器，每个喇叭辐射器形成为圆锥形喇叭，恒定横截面波导连接到喇叭的小端作为馈电并提供信号端口。喇叭辐射器中的第一个具有较大的横截面，用于以较低的频率辐射电磁波。第二个喇叭辐射器的横截面相对较小，用于以较高的频率辐射电磁波。第二散热器嵌套在第一散热器内，并且其辐射孔定位成与第一散热器的辐射孔共面。在第二散热器中，波导进料设置有允许波导进给通过第一辐射器的壁的弯曲。支柱可以固定到弯曲部以在第一辐射器内为第二辐射器提供对称的横向支撑。双锥形导电片从第一散热器喇叭的喉部中的顶点延伸到横向支撑件，并且从那里逐渐变细以接触第二散热器的喇叭。锥形片引导低频辐射穿过支柱和弯曲，以最小化驻波比。

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