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    • 41. 发明授权
    • Adaptive antenna system
    • 自适应天线系统
    • US06720936B1
    • 2004-04-13
    • US10142315
    • 2002-05-09
    • Richard M. KoolishBrig Barnum Elliott
    • Richard M. KoolishBrig Barnum Elliott
    • H01Q1502
    • H01Q3/01H01Q15/147H01Q19/065
    • An adaptive antenna system (20) includes a programmable reflection surface (22), a controller (24) in communication wit the programmable reflection surface (22), and a feeder element (26) outwardly spaced from a receiving side (28) of the programmable reflection surface (22). The controller (24) is operable to write a pattern (34) of reflective (36) and absorptive (42) regions into the programmable reflection surface (22) in accordance with a frequency and a direction of a received or transmitted electromagnetic wave (32). The controller (24) is further operable to write patterns (68, 80) into the programmable reflection surface (22) to dynamically adjust adaptive antenna system (20) to changing frequencies and directions of transmitted and received electromagnetic waves.
    • 自适应天线系统(20)包括可编程反射表面(22),与可编程反射表面(22)通信的控制器(24)以及与所述可编程反射表面(22)的接收侧(28)向外间隔开的馈送元件 可编程反射面(22)。 控制器(24)可操作以根据接收或发射的电磁波的频率和方向(32)将反射(36)和吸收(42)区域的图案(34)写入可编程反射表面(22) )。 控制器(24)还可操作以将图案(68,80)写入可编程反射表面(22)以动态地调节自适应天线系统(20)以改变发射和接收的电磁波的频率和方向。
    • 42. 发明申请
    • Measurement system for electromagnetic radiation structure
    • 电磁辐射结构测量系统
    • US20040004725A1
    • 2004-01-08
    • US10401659
    • 2003-03-28
    • Dimitry GorinevskyTristram T. Hyde
    • G01B009/02
    • G01B11/24G02B26/06G02B26/0825H01Q3/01H01Q15/147H01Q19/00
    • A measurement system is provided that facilitates the measuring of a shape of a flexible electromagnetic radiation structure. The measurement system includes a plurality of local sensors, a central sensor and a measurement processor. Each of the plurality of local sensors is configured to sense the position of a portion of the flexible electromagnetic radiation structure. The central sensor is configured to determine an overall shape of the flexible electromagnetic radiation structure. The measurement processor provides the ability to combine sensor data from the local sensors and sensor data from the central sensor to provide an accurate measurement of the shape of the flexible electromagnetic radiation structure.
    • 提供了一种有助于测量柔性电磁辐射结构的形状的测量系统。 测量系统包括多个本地传感器,中央传感器和测量处理器。 多个本地传感器中的每一个被配置为感测柔性电磁辐射结构的一部分的位置。 中央传感器被配置为确定柔性电磁辐射结构的整体形状。 测量处理器提供将来自本地传感器的传感器数据和来自中央传感器的传感器数据组合以提供对柔性电磁辐射结构的形状的精确测量的能力。
    • 49. 发明授权
    • Antenna surface contour control system
    • 天线表面轮廓控制系统
    • US4811033A
    • 1989-03-07
    • US118995
    • 1987-11-10
    • Elvin L. AhlJames B. Miller
    • Elvin L. AhlJames B. Miller
    • H01Q15/14H01Q15/16H01Q9/34
    • H01Q15/147H01Q15/161Y10S343/02
    • The invention is a system for automatically controlling the surface contour of a deployable and restowable antenna 11 having a mesh reflector surface 26 supported by a circular, folding hoop 12 affixed to a central, telescoping column 14. The antenna 11, when deployed, forms a quad-aperture reflector with each quadrant A-D of the mesh surface 26 shaped to provide an offset parabolic RF reflector.The hoop 12 is supported and positioned by quartz support cords 12 attached to the top 22 of column 14 and by lower graphite hoop control cords 23 that extend between the hoop 12 and base 24 of the column 14. The antenna 11, an RF reflective surface 26, is a gold plated molybdenum wire mesh supported on a graphite cord truss structure that includes the hoop control cords and a plurality of surface control cords 27 attached at selected points on the surface 26 and to the base 24 of column 14. The contour of the three-dimensional surface 26 of the antenna 11 is controlled by selectively adjusting the lengths of the surface control cords 27 and the graphite hoop control cords 23 by means of novel actuator assemblies 56 that automatically sense and change the lengths of the lower hoop control cords 23 and surface control cords 27 to control the contour of the surface 26 of the antenna 11.
    • 本发明是一种用于自动控制可部署和可再生天线11的表面轮廓的系统,其具有由固定到中心伸缩柱14上的圆形折叠环12支撑的网状反射器表面26.天线11在展开时形成 四孔径反射器,其网形表面26的每个象限AD成形为提供偏移的抛物面RF反射器。 环12由附接到塔14的顶部22的石英支撑绳12和在柱14的环12和底座24之间延伸的下部石墨箍控制帘线23支撑和定位。天线11,RF反射表面 26是支撑在石墨帘线桁架结构上的镀金钼丝网,其包括环控制绳索和附接在表面26上的选定点和柱14的基座24上的多个表面控制帘线27.轮廓 天线11的三维表面26通过新颖的致动器组件56选择性地调节表面控制线27和石墨箍控制绳23的长度来控制,该致动器组件56自动地感测并改变下环控制绳的长度 23和表面控制线27,以控制天线11的表面26的轮廓。