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    • 1. 发明授权
    • Systems and methods for determining a positional state of an airborne array antenna using distributed accelerometers
    • 使用分布式加速度计确定机载阵列天线的位置状态的系统和方法
    • US08930047B2
    • 2015-01-06
    • US13177802
    • 2011-07-07
    • Brendan H. RobinsonJohn H. Steele, IIClifton QuanLeo H. Hui
    • Brendan H. RobinsonJohn H. Steele, IIClifton QuanLeo H. Hui
    • G06F17/00G06F15/00H01Q3/00H01Q1/12H01Q1/28H01Q21/06H01Q23/00
    • H01Q1/125H01Q1/28H01Q3/00H01Q21/06H01Q23/00
    • Systems and methods for determining a positional state of an airborne array antenna using distributed accelerometers are described. One such method includes receiving and formatting acceleration data from each of a plurality of accelerometers mounted at different locations along the array antenna, receiving position and orientation data from an inertial navigation service (INS) mounted on the array antenna, generating an INS estimated position for each accelerometer based on the position and orientation data from the INS, generating an accelerometer estimated position for each accelerometer based on the acceleration data, determining a position and orientation of each accelerometer based on the respective INS estimated position and the respective accelerometer estimated position, determining an estimated position of a center and an orientation of the array antenna based on the determined position and orientation of each accelerometer, and adjusting a direction of the array antenna based on the estimated position of the array antenna.
    • 描述了使用分布式加速度计确定机载阵列天线的位置状态的系统和方法。 一种这样的方法包括从安装在阵列天线的不同位置处的多个加速度计的每一个接收和格式化加速度数据,从安装在阵列天线上的惯性导航服务(INS)接收位置和姿态数据,产生INS估计位置 基于来自INS的位置和取向数据的每个加速度计,基于加速度数据生成每个加速度计的加速度计估计位置,基于相应的INS估计位置和相应的加速度计估计位置确定每个加速度计的位置和取向,确定 基于所确定的每个加速度计的位置和方位的阵列天线的中心和取向的估计位置,以及基于阵列天线的估计位置来调整阵列天线的方向。
    • 9. 发明申请
    • Conformal electronically scanned phased array antenna and communication system for helmets and other platforms
    • 用于头盔和其他平台的保形电子扫描相控阵天线和通信系统
    • US20080191950A1
    • 2008-08-14
    • US11705213
    • 2007-02-13
    • Ike Y. ChangRichard W. NicholsClifton QuanJonathan D. GordonIrwin L. Newberg
    • Ike Y. ChangRichard W. NicholsClifton QuanJonathan D. GordonIrwin L. Newberg
    • H01Q1/27H01Q1/38H01Q9/04
    • H01Q1/276H01Q3/34H01Q13/106H01Q13/18H01Q21/0075H01Q21/064
    • A phased array antenna adapted to be mounted in a helmet. In the illustrative embodiment, the antenna comprises a substrate and an array of radiating elements disposed on said substrate, each of the elements including a-resonant cavity and a mechanism for feeding the cavity with an electromagnetic signal., The cavity is formed in a multi-layer structure between a ground plane and a layer of metallization. A radiating slot or slots are provided in the layer of metallization. A first layer of dielectric material is disposed within the cavity. The feed mechanism is a microstrip feed disposed in the first layer of dielectric material parallel to a plane of a portion of the substrate over which an associated element is disposed. A layer of foam is disposed between the layer of dielectric material and the ground plane. Second and third parallel layers of dielectric material are included in each element. The second layer is disposed adjacent to the ground plane. A layer of element interconnection circuitry is disposed between the second and third layers of dielectric material. A transmit/receive module or circuitry for each element is secured to the third layer of dielectric material. The substrate may be conformal or conformable, as well as rigid. An arrangement is included for steering a beam transmitted or received by the antenna.
    • 适合安装在头盔中的相控阵天线。 在说明性实施例中,天线包括衬底和布置在所述衬底上的辐射元件阵列,每个元件包括谐振腔和用于向空腔馈送电磁信号的机构,空腔形成为多 在地平面和金属化层之间的层结构。 在金属化层中提供辐射槽或槽。 介电材料的第一层设置在空腔内。 馈送机构是布置在电介质材料的第一层中的平行于衬底部分的平面的微带馈电,相关元件设置在该平面上。 一层泡沫体设置在介电材料层和接地平面之间。 介电材料的第二和第三平行层包括在每个元件中。 第二层设置在接地平面附近。 元件互连电路层设置在介电材料的第二和第三层之间。 用于每个元件的发射/接收模块或电路固定到第三层电介质材料。 衬底可以是适形的或适形的,以及刚性的。 包括用于控制由天线发送或接收的波束的布置。