专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明申请

WO1998007211A1 SHROUDED HORN FEED ASSEMBLY 审中-公开
公开(公告)号：WO1998007211A1
公开(公告)日：1998-02-19
申请号：PCT/US1997013992
申请日：1997-08-08
申请人： L-3 COMMUNICATIONS CORPORATION
发明人： L-3 COMMUNICATIONS CORPORATION , ANDERSON, Bryant, Ford , GARTSIDE, Paul, Johann , HARRISON, Douglas, Melville , BAIRD, Joseph, Mark
IPC分类号： H01Q13/00
CPC分类号： H01Q19/08 , H01Q5/47 , H01Q13/02 , H01Q25/04
摘要： A feed system for an antenna has a set of inner and outer coaxial waveguides (70, 60) which apply, respectively, both higher and lower frequency radiations to a common radiating aperture provided by a horn (68) and a shroud (62). Lower frequency radiation to be transmitted by the outer waveguide is applied thereto by a set of four waveguides (74) of a launcher (72). Each of the launching waveguides is a rectangular double-ridged waveguide (94A, 94B). Impedance matching rings (160) are slidable within the space between the inner and outer surfaces of the coaxial waveguide for development of a desired standing wave ratio. A dielectric rod (144) is disposed in a forward end of the tube of the inner feed waveguide and protrudes therefrom into the horn for shaping a beam of the higher frequency radiation.
摘要翻译：用于天线的馈电系统具有一组内部和外部同轴波导（70,60），其分别将高频和低频辐射施加到由喇叭（68）和护罩（62）提供的公共辐射孔。通过一组发射器（72）的四个波导（74）向外部波导施加要传输的低频辐射。每个发射波导是矩形双脊波导（94A，94B）。阻抗匹配环（160）可在同轴波导的内表面和外表面之间的空间内滑动，以形成所需的驻波比。介电棒（144）设置在内馈电波导的管的前端，并从其中突出到喇叭中，以形成较高频辐射的波束。

2. 发明申请

WO1998007209A1 PLURAL BAND FEED SYSTEM 审中-公开
标题翻译：双层送料系统
公开(公告)号：WO1998007209A1
公开(公告)日：1998-02-19
申请号：PCT/US1997013795
申请日：1997-08-08
申请人： L-3 COMMUNICATIONS CORPORATION
发明人： L-3 COMMUNICATIONS CORPORATION , ANDERSON, Bryant, Ford , BAIRD, Joseph, Mark , HARRISON, Douglas, Melville , DENERIS, Charles, Andrew , GARTSIDE, Paul, Johann , FISHER, Friedrich, J. , YAMAMOTO, Mark, Johnathon
IPC分类号： H01Q13/00
CPC分类号： H01Q19/08 , H01Q5/47 , H01Q13/02
摘要： A feed system for an antenna has a set of inner and outer coaxial waveguides (70, 66) which apply, respectively, both higher and lower frequency radiations to a common radiating aperture provided by a horn (68) and a shroud (62) which envelopes radiating apertures of the individual feed waveguides. Each of the feed waveguides carries signals having a bandwidth of an octave. Lower frequency radiation to be transmitted by the outer coaxial feed waveguide is applied thereto by a set of four waveguides (74) of a launcher (72) which launches a wave with a desired propagation mode into the outer feed waveguide. Impedance matching rings (160) are slidable within the space between the inner and outer surfaces of the coaxial waveguide for development of a desired standing wave ratio for accurate generation of a desired beam pattern. A dielectric rod (144) is disposed in a forward end of the tube of the inner feed waveguide and protrudes therefrom into the horn for shaping a beam of the higher frequency radiation.
摘要翻译：用于天线的馈电系统具有一组内部和外部同轴波导（70,66），其分别将高频和低频辐射施加到由喇叭（68）和护罩（62）提供的公共辐射孔信封辐射各个馈电波导的孔。每个馈送波导传送具有八度音阶带宽的信号。由外部同轴馈电波导传输的较低频率的辐射由发射器（72）的一组四个波导（74）施加到发射器（72）上，发射器（72）将具有期望的传播模式的波发射到外部馈电波导中。阻抗匹配环（160）可以在同轴波导的内表面和外表面之间的空间内滑动，以形成期望的驻波比，从而精确地产生期望的波束图案。介电棒（144）设置在内馈电波导的管的前端，并从其中突出到喇叭中，以形成较高频辐射的波束。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式