Beam waveguide feeder
    91.
    发明授权
    Beam waveguide feeder 失效
    光束波导馈线

    公开(公告)号:US4516128A

    公开(公告)日:1985-05-07

    申请号:US457608

    申请日:1983-01-13

    摘要: A beam waveguide feeder in which a feed horn, a pair of revolvable paraboloidal reflectors, and at least one plane reflector are arranged in the order stated so as to form a path for an electric wave, said pair of paraboloidal reflectors facing each other and being equal in focal distance and off-set angle, their zeniths and focuses being on an identical plane, is characterized in that said feed horn can be fixed in position while its equivalent feed horn, i.e., the image of said feed horn focused by the beam waveguide feeder, can be moved into an arbitrary location and turned in an arbitrary direction.

    摘要翻译: 一种光束波导馈线,其中馈电喇叭,一对可旋转抛物面反射器和至少一个平面反射器按照所述的顺序排列以形成电波的路径,所述一对抛物面反射器彼此面对,并且是 焦距和偏角相等,它们的天顶和焦点位于相同的平面上,其特征在于,所述馈电喇叭可以固定在适当的位置,同时其等效馈电喇叭,即所述馈电喇叭的图像由光束聚焦 波导馈线,可以移动到任意位置,并向任意方向转动。

    Antenna with two orthogonally disposed parabolic cylindrical reflectors
    92.
    发明授权
    Antenna with two orthogonally disposed parabolic cylindrical reflectors 失效
    天线与两个正交布置的抛物线圆柱反射器

    公开(公告)号:US4208661A

    公开(公告)日:1980-06-17

    申请号:US813245

    申请日:1977-07-06

    申请人: Vaclav J. Vokurka

    发明人: Vaclav J. Vokurka

    IPC分类号: H01Q19/18 H01Q19/20

    CPC分类号: H01Q19/20

    摘要: An antenna set-up comprising a first and a second reflector in the form of substantially parabolic cylinder surfaces and a feed source, directed to the first reflector and placed on the focal line of that reflector and in which set-up the directrix of the cylindrical wave front obtained by exposure of the first reflector coincides with the focal line of the second reflector and the focal line of the first reflector is not parallel to the symmetry plane of the second reflector.

    摘要翻译: 一种天线装置,包括基本抛物面圆筒表面形式的第一反射器和第二反射器,以及馈送源,其被引导到第一反射器并放置在该反射器的焦线上,并且其中安装圆柱形 通过第一反射器的曝光获得的波前与第二反射器的焦线重合,并且第一反射器的焦线不平行于第二反射器的对称平面。

    Double reflector antenna with feed horn protection
    93.
    发明授权
    Double reflector antenna with feed horn protection 失效
    双反射天线,带馈电喇叭保护

    公开(公告)号:US4195302A

    公开(公告)日:1980-03-25

    申请号:US948669

    申请日:1978-10-05

    申请人: Uwe Leupelt

    发明人: Uwe Leupelt

    IPC分类号: H01Q19/19 H01Q1/02 H01Q19/18

    CPC分类号: H01Q19/19

    摘要: A double reflector antenna mounted on a terrestrial mount with Azimuth and elevation shafts in which a primary field radiating and detecting horn is mounted within a housing behind a central opening of the main reflector dish so as to radiate and receive energy from a sub-reflector mounted at the focal point of the main reflector dish and such that the lead supplying energy to and from the horn can be very short and the horn can be substantially shielded from snow and rain.

    摘要翻译: 安装在具有方位角和仰角的地面安装座上的双反射器天线,其中主场辐射和检测喇叭安装在主反射器皿的中心开口之后的壳体内,以便辐射和接收来自安装的副反射器的能量 在主反射器盘的焦点处,并且能够提供来自喇叭的能量的引线可以非常短,并且喇叭可以基本上被雪和雨遮挡。

    Antenna line scan system for helicopter wire detection
    94.
    发明授权
    Antenna line scan system for helicopter wire detection 失效
    用于直升机线检测的天线线扫描系统

    公开(公告)号:US4042933A

    公开(公告)日:1977-08-16

    申请号:US668776

    申请日:1976-03-19

    申请人: Roger H. Lapp

    发明人: Roger H. Lapp

    CPC分类号: H01Q19/19 H01Q3/20

    摘要: The present invention relates to a scanning system comprising a three elet reflecting antenna, wherein two of the reflecting elements synchronously counter rotate about axes other than their optical axes in order to generate a linear scan.

    摘要翻译: 本发明涉及一种包括三元反射天线的扫描系统,其中两个反射元件同步地绕其轴线以外的轴旋转,以便产生线性扫描。

    Capped antenna of the offset cassegrainian type
    96.
    发明授权
    Capped antenna of the offset cassegrainian type 失效
    卡斯帕尼亚类型的CAPPED天线

    公开(公告)号:US3810187A

    公开(公告)日:1974-05-07

    申请号:US35233273

    申请日:1973-04-18

    申请人: THOMSON CSF

    发明人: HAI N

    CPC分类号: H01Q19/026 H01Q17/001

    摘要: In this antenna, the auxiliary reflector and the aperture of the primary source are located above the main reflector. A cap having a metal layer and an inner absorbent layer covers and surrounds the aperture of the primary source and the whole of the auxiliary reflector. In addition to its radioelectric function, the cap thus also plays the part of a radome.

    摘要翻译: 在该天线中,辅助反射器和主源的孔径位于主反射器的上方。 具有金属层和内部吸收层的盖覆盖并围绕主源和整个辅助反射器的孔。 除了其放射性功能之外,盖帽也起到天线罩的一部分的作用。

    Schwarzschild radar antenna with a unidirectional turnstile scanner
    97.
    发明授权
    Schwarzschild radar antenna with a unidirectional turnstile scanner 失效
    SCHWARZSCHILD雷达天线与非均匀扫描扫描仪

    公开(公告)号:US3795003A

    公开(公告)日:1974-02-26

    申请号:US3795003D

    申请日:1973-02-26

    申请人: US ARMY

    CPC分类号: H01Q3/18 H01Q19/18 H01Q19/191

    摘要: A Schwarzschild Antenna includes feed horns respectively mounted on a turnstile waveguide switch. During transmission, as each horn passes a particular arc of rotation, microwave energy is emitted from the horn onto an adjacent mirror that reflects the energy to the antenna reflectors. The result is a unidirectional scan in the far field. A tracking mode of operation is also provided. Either of the two modes of operation may be selected by the operator.

    摘要翻译: 施瓦茨天线包括分别安装在旋转门波导开关上的馈电喇叭。 在传输期间,当每个喇叭通过特定的旋转弧时,微波能量从喇叭发射到相反的反射镜上,反射能量到天线反射器。 结果是在远场中进行单向扫描。 还提供了跟踪操作模式。 两种操作模式可以由操作者选择。

    Wide-angle planar-beam, antenna adapted for conventional or doppler scan using curved arrays
    98.
    发明授权
    Wide-angle planar-beam, antenna adapted for conventional or doppler scan using curved arrays 失效
    广角平面光束,适用于使用曲线阵列的常规或多普勒扫描的天线

    公开(公告)号:US3774222A

    公开(公告)日:1973-11-20

    申请号:US3774222D

    申请日:1972-11-30

    申请人: ITT

    发明人: CHARLTON G

    摘要: An antenna involving a plurality of linear arrays disposed about a surface of revolution formed about a horizontal axis by rotation of a double-ended hyperbolic curve. Each of the arrays follows a line conforming to that surface of revolution but lying entirely in a plane also containing the horizontal axis of the surface of revolution. The antenna elements of each array are excited from a transmission line such as a waveguide which is, in turn, fed from a centrally located parallel-plate waveguide planar beam generating arrangement. A conventional or Dopplerscan array provides the excitation for the so-called parallelplate waveguide converter. The radiated beam shape tends to hold its focus and therefore has uniform width in elevation over the full azimuth beamwidth at all useful elevation beam positions.

    摘要翻译: 涉及通过旋转双端双曲线曲线围绕水平轴线形成的围绕旋转表面设置的多个线性阵列的天线。 每个阵列遵循符合该旋转表面的线,但是完全位于还包含旋转表面的水平轴的平面中。 每个阵列的天线元件从诸如波导的传输线激励,波导又从中心定位的平​​行板波导平面光束产生装置馈送。 常规或多普勒扫描阵列为所谓的平行板波导转换器提供激励。 辐射束形状倾向于保持其焦点,因此在所有有用的仰角光束位置处的全方位角波束宽度上的高度均匀。

    Open-type resonator
    99.
    发明授权
    Open-type resonator 失效
    开式谐振器

    公开(公告)号:US3728640A

    公开(公告)日:1973-04-17

    申请号:US3728640D

    申请日:1972-03-29

    CPC分类号: H01P7/00 G01N22/00 H01Q19/18

    摘要: An open-type resonator, substantially, for quasi optical channels, formed by two reflectors which by means of permanent magnets are secured on adjusting devices mounted on movable supports. The supports themselves are mounted on guides with a possibility of movement with the aid of micrometer screws, the micrometer screw of the rear reflector can be rotated either manually or with an electric motor through a speed reducer having a variable reduction ratio, while the use of the guides provides for displacement of the reflectors through distances which considerably overcome the operating wavelength.

    摘要翻译: 基本上用于准光通道的开放式谐振器由两个反射器形成,其通过永磁体固定在安装在可移动支撑件上的调节装置上。 支撑件本身借助千分尺螺钉安装在具有移动可能性的引导件上,后反射器的千分尺螺钉可以通过具有可变减速比的减速器手动地或与电动机一起旋转,同时使用 引导件提供反射器的位移通过相当大的克服工作波长的距离。