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公开(公告)号：US06967627B2
公开(公告)日：2005-11-22
申请号：US10676763
申请日：2003-10-01
CPC分类号： H01Q13/025 , H01Q5/30
摘要： A multiple mode feed horn is provided for transmitting and receiving signals. The feed horn includes a transverse electric throat section, a transverse electric profile section, and a transverse electric aperture section. The transverse electric profile section propagates a first transverse electric (TE) mode. The transverse electric aperture section propagates a second TE mode. The multiple mode feed horn prevents propagation of traverse magnetic modes from said throat section to said aperture section.
摘要翻译： 提供多模馈送喇叭用于发送和接收信号。 馈电喇叭包括横向电喉部分，横向电气剖面部分和横向电气孔径部分。 横向电气剖面部分传播第一横向电（TE）模式。 横向电孔径部分传播第二TE模式。 多模式进给喇叭防止横动磁模从所述喉部传播到所述孔部分。
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公开(公告)号：US20060063528A1
公开(公告)日：2006-03-23
申请号：US11259913
申请日：2005-10-27
申请人： Sudhakar Rao , David Bressler , Arun Bhattacharyya
发明人： Sudhakar Rao , David Bressler , Arun Bhattacharyya
IPC分类号： H04B7/185
CPC分类号： H01Q13/0208 , H01Q1/288 , H01Q5/55 , H01Q19/13 , H01Q25/04
摘要： A dual-band multiple beam antenna system for a communications satellite sharing a set of reflector antennas for the transmit and receive frequencies. One set of reflectors is common to both the downlink and uplink frequencies. The feed horns are diplexed and exhibit frequency-dependent radiation patterns that separate the phase centers over the downlink and uplink frequency bands to obtain dual-band performance. The focal point of the reflector is in close proximity to the phase center corresponding to the downlink frequency band. The phase center for the uplink frequency band is spaced a predetermined distance from the phase center of the downlink frequency band. According to the present invention, the uplink frequencies are defocused and the downlink frequencies are focused thereby creating identical radiation patterns at both frequency bands and over the coverage region of the communications satellite.
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公开(公告)号：US20060033671A1
公开(公告)日：2006-02-16
申请号：US10917986
申请日：2004-08-11
申请人： Steven Chan , Te Wu , Arun Bhattacharyya , Juan Rivera , Phillip Metzen
发明人： Steven Chan , Te Wu , Arun Bhattacharyya , Juan Rivera , Phillip Metzen
IPC分类号： H01Q13/12
CPC分类号： H01Q13/106 , H01Q21/0087 , H01Q21/0093 , H01Q21/064
摘要： A phased array antenna structure capable of operation at millimeter-wave frequencies and having multiple ring slot radiator elements (10). The RF feed structure for each radiator element includes a feed via (28) extending part-way through a multi-layer structure (FIG. 3) on which the radiator elements (10) are formed and a strip line feed probe (30) extending from the via (28) toward the radiator element. A key feature facilitating high-frequency operation is the inclusion of multiple mode suppressors (32) surrounding the via (28) and providing a smooth transition from a coaxial mode of RF transmission to a strip line mode of RF transmission. The feed probe (30) is tailored to provide either a narrow-band or a wideband frequency characteristic.
摘要翻译： 一种相位阵列天线结构，其能够在毫米波频率下操作并具有多个环形槽辐射体元件（10）。 每个散热器元件的RF馈送结构包括一个穿过形成有散热器元件（10）的多层结构（图3）的馈通通道（28），以及一条延伸 从通路（28）朝向散热器元件。 促进高频操作的关键特征是包括围绕通孔（28）的多个模式抑制器（32）并且提供从RF传输的同轴模式到RF传输的带状线路模式的平滑过渡。 馈送探针（30）被定制以提供窄带或宽带频率特性。
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公开(公告)号：US20080106482A1
公开(公告)日：2008-05-08
申请号：US11594320
申请日：2006-11-08
CPC分类号： H01Q21/065 , H01Q1/02 , H01Q1/246 , H01Q1/28 , H01Q1/40
摘要： A low-profile, electronically scanned antenna that can scan a hemisphere is comprised of three, phased array radiators. Each radiator face has an azimuth and elevation scan angle equal to 120 degrees. The three radiator faces are arranged in a truncated 3 sided pyramid such that they prove continuous hemispherical coverage. The three radiators are mounted to cooled panels of a truncated pyramid-shaped frame such that the radiators enable a full hemisphere to be scanned by radar.
摘要翻译： 可扫描半球的低调电子扫描天线由三个相控阵辐射器组成。 每个散热器面具有等于120度的方位和仰角扫描角度。 三个散热器表面被布置在截顶的三面金字塔中，使得它们证明连续的半球形覆盖。 三个散热器安装在截锥形框架的冷却面板上，使得散热器能够通过雷达扫描完整的半球。
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公开(公告)号：US06642900B2
公开(公告)日：2003-11-04
申请号：US09957954
申请日：2001-09-21
IPC分类号： H01Q1302
CPC分类号： H01Q13/025 , H01Q5/30
摘要： A multiple mode feed horn is provided for transmitting and receiving signals. The feed horn includes a transverse electric throat section, a transverse electric profile section, and a transverse electric aperture section. The transverse electric profile section propagates a first transverse electric (TE) mode. The transverse electric aperture section propagates a second TE mode. The multiple mode feed horn prevents propagation of traverse magnetic modes from said throat section to said aperture section.
摘要翻译： 提供多模馈送喇叭用于发送和接收信号。 馈电喇叭包括横向电喉部分，横向电气剖面部分和横向电气孔径部分。 横向电气剖面部分传播第一横向电（TE）模式。 横向电孔径部分传播第二TE模式。 多模式进给喇叭防止横动磁模从所述喉部传播到所述孔部分。
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公开(公告)号：US07242904B2
公开(公告)日：2007-07-10
申请号：US11259913
申请日：2005-10-27
IPC分类号： H04B7/185
CPC分类号： H01Q13/0208 , H01Q1/288 , H01Q5/55 , H01Q19/13 , H01Q25/04
摘要： A dual-band multiple beam antenna system for a communications satellite sharing a set of reflector antennas for the transmit and receive frequencies. One set of reflectors is common to both the downlink and uplink frequencies. The feed horns are diplexed and exhibit frequency-dependent radiation patterns that separate the phase centers over the downlink and uplink frequency bands to obtain dual-band performance. The focal point of the reflector is in close proximity to the phase center corresponding to the downlink frequency band. The phase center for the uplink frequency band is spaced a predetermined distance from the phase center of the downlink frequency band. According to the present invention, the uplink frequencies are defocused and the downlink frequencies are focused thereby creating identical radiation patterns at both frequency bands and over the coverage region of the communications satellite.
摘要翻译： 一种用于通信卫星的双频多波束天线系统，其共享用于发射和接收频率的一组反射器天线。 一组反射器对于下行链路和上行链路频率是共同的。 馈电喇叭是双工的，并且表现出频率依赖的辐射图，其通过下行链路和上行链路频带分离相位中心以获得双频带性能。 反射器的焦点靠近对应于下行链路频带的相位中心。 上行频带的相位中心与下行频带的相位中心隔开规定的距离。 根据本发明，上行链路频率被散焦，并且下行链路频率被聚焦，从而在通信卫星的两个频带和覆盖区域上产生相同的辐射图。
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公开(公告)号：US07053847B2
公开(公告)日：2006-05-30
申请号：US10917986
申请日：2004-08-11
CPC分类号： H01Q13/106 , H01Q21/0087 , H01Q21/0093 , H01Q21/064
摘要： A phased array antenna structure capable of operation at millimeter-wave frequencies and having multiple ring slot radiator elements (10). The RF feed structure for each radiator element includes a feed via (28) extending part-way through a multi-layer structure (FIG. 3) on which the radiator elements (10) are formed and a strip line feed probe (30) extending from the via (28) toward the radiator element. A key feature facilitating high-frequency operation is the inclusion of multiple mode suppressors (32) surrounding the via (28) and providing a smooth transition from a coaxial mode of RF transmission to a strip line mode of RF transmission. The feed probe (30) is tailored to provide either a narrow-band or a wideband frequency characteristic.
摘要翻译： 一种相位阵列天线结构，其能够在毫米波频率下操作并具有多个环形槽辐射体元件（10）。 用于每个散热器元件的RF馈送结构包括在其上分布有散热器元件（10）的多层结构（图3的）的馈通通道（28） 以及从通孔（28）朝向散热器元件延伸的带状线馈送探针（30）。 促进高频操作的关键特征是包括围绕通孔（28）的多个模式抑制器（32）并且提供从RF传输的同轴模式到RF传输的带状线路模式的平滑过渡。 馈送探针（30）被定制以提供窄带或宽带频率特性。
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8.发明授权公开(公告)号：US06424299B1
公开(公告)日：2002-07-23
申请号：US09925773
申请日：2001-08-09
申请人： Alan Cha , Arun Bhattacharyya
发明人： Alan Cha , Arun Bhattacharyya
IPC分类号： H01Q138
CPC分类号： H01Q9/0457 , H01Q5/35 , H01Q9/0435
摘要： A dual-band patch antenna element (10) for circular or linear polarization. The patch element (10) is excited by two different hybrids (22, 24), designed for transmit and receive bands respectively. Each hybrid (22, 24) electromagnetically couples a pair of orthogonal ground plane slots (26, 28, 30, 32) that excite the patch antenna (10). The hybrid (22) and slot (26, 28) dimensions for the transmit band are different from the hybrid (24) and slot (30, 32) dimensions for the receive band. Isolation can be improved by connecting shunt stubs (34, 36) to the hybrids (22, 24).
摘要翻译： 一种用于圆形或线性极化的双频带贴片天线元件（10）。 贴片元件（10）由分别设计用于发送和接收频带的两个不同的混合器（22,24）激发。 每个混合（22,24）电磁耦合一对激发贴片天线（10）的正交接地平面槽（26,28,30,32）。 用于发射频带的混合（22）和时隙（26,28）尺寸不同于用于接收频带的混合（24）和时隙（30,32）的尺寸。 可以通过将分流短管（34,36）连接到混合器（22,24）来改善隔离。
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公开(公告)号：US07110716B2
公开(公告)日：2006-09-19
申请号：US10060822
申请日：2002-01-30
IPC分类号： H04B7/185
CPC分类号： H01Q13/0208 , H01Q1/288 , H01Q5/55 , H01Q19/13 , H01Q25/04
摘要： A dual-band multiple beam antenna system for a communications satellite sharing a set of reflector antennas for the transmit and receive frequencies. One set of reflectors is common to both the downlink and uplink frequencies. The feed horns are diplexed and exhibit frequency-dependent radiation patterns that separate the phase centers over the downlink and uplink frequency bands to obtain dual-band performance. The focal point of the reflector is in close proximity to the phase center corresponding to the downlink frequency band. The phase center for the uplink frequency band is spaced a predetermined distance from the phase center of the downlink frequency band. According to the present invention, the uplink frequencies are defocused and the downlink frequencies are focused thereby creating identical radiation patterns at both frequency bands and over the coverage region of the communications satellite.
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公开(公告)号：US20060119528A1
公开(公告)日：2006-06-08
申请号：US11003901
申请日：2004-12-03
申请人： Arun Bhattacharyya , James Sor
发明人： Arun Bhattacharyya , James Sor
IPC分类号： H01Q13/00
CPC分类号： H01Q13/025
摘要： An antenna horn having multiple flared sections with their slopes and lengths selected to enhance desirable electromagnetic modes and to suppress undesirable modes at the horn aperture, thereby increasing the aperture efficiency and antenna gain.
摘要翻译： 天线喇叭具有多个喇叭形部分，其斜坡和长度被选择以增强期望的电磁模式并且抑制喇叭孔径处的不期望的模式，由此增加孔径效率和天线增益。
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