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    AIRBORNE ICE DETECTOR USING QUASI-OPTICAL RADAR
    6.
    发明公开
    AIRBORNE ICE DETECTOR USING QUASI-OPTICAL RADAR 审中-公开
    航空冰探测器使用准光学雷达

    公开(公告)号：EP3254971A1

    公开(公告)日：2017-12-13

    申请号：EP17171547.7

    申请日：2017-05-17

    Applicant: Rosemount Aerospace Inc.

    Inventor： Ray, Mark ,  Miller, Mark Sherwood

    IPC: B64D15/20 ,  G01S17/95 ,  G01S7/02 ,  G01S7/481 ,  G01S7/499 ,  G01S13/86 ,  G01S13/95

    CPC classification number: G01S13/953 ,  B64D15/20 ,  G01S7/026 ,  G01S7/4812 ,  G01S7/4815 ,  G01S7/499 ,  G01S13/865 ,  G01S17/95 ,  G02B27/141 ,  G02B27/283 ,  Y02A90/18 ,  Y02A90/19

    Abstract: An aircraft ice detection system (10; 100A; 100B; 100C) is configured to determine a condition of a cloud (12) and includes a radar system, a lidar system, optics (20, 22; 102, 104) and a dichroic filter (138). The radar system is configured to project quasi-optical radiation to the cloud (12) and receive reflected quasi-optical radiation from the cloud (12). The lidar system is configured to project optical radiation to the cloud (12) and receive reflected optical radiation from the cloud (12). The optics (20, 22; 102, 104) are configured to direct the quasi-optical radiation and the optical radiation to the cloud (12) and receive the reflected quasi-optical radiation and the reflected optical radiation from the cloud (12). The dichroic filter (138) is configured to direct the quasi-optical radiation from the radar system to the optics (20, 22; 102, 104), direct the optical radiation from the lidar system to the optics (20, 22; 102, 104), direct the reflected quasi-optical radiation from the optics (20, 22; 102, 104) to the radar system and direct the reflected optical radiation from the optics (20, 22; 102, 104) to the lidar system.

    Abstract translation: 一种飞机冰检测系统（10; 100A; 100B; 100C）被配置为确定云（12）的状况并且包括雷达系统，激光雷达系统，光学器件（20,22; 102,104）和二向色滤波器 （138）。 雷达系统被配置为向云（12）投射准光辐射并从云（12）接收反射的准光辐射。 激光雷达系统被配置为将光辐射投射到云（12）并接收来自云（12）的反射光辐射。 光学器件（20,22; 102,104）被配置为将准光辐射和光辐射引导到云（12）并且接收来自云（12）的反射的准光辐射和反射的光辐射。 二向色滤光片（138）被配置为引导从所述雷达系统的光学器件的准光辐射（20，22; 102，104）中，从激光雷达系统的光学器件（20，22引导光辐射，102 104）将来自光学器件（20,22; 102,104）的反射准光辐射引导至雷达系统并将来自光学器件（20,22; 102,104）的反射光辐射引导至激光雷达系统。

    WINDOW CONTAMINATION SENSOR FOR OPTICAL DETECTION SYSTEMS
    7.
    发明公开
    WINDOW CONTAMINATION SENSOR FOR OPTICAL DETECTION SYSTEMS 审中-公开
    FENSTERVERUNREINIGUNGSSENSORFÜROPTISCHE ERFASSUNGSSYSTEME

    公开(公告)号：EP2930550A1

    公开(公告)日：2015-10-14

    申请号：EP15162352.7

    申请日：2015-04-02

    Applicant: Rosemount Aerospace Inc.

    Inventor： Ray, Mark ,  Anderson, Kaare Josef

    IPC: G02B27/00 ,  G01J1/04 ,  B64D15/20 ,  G01N21/88 ,  G01N21/958 ,  G01N21/94 ,  G01J4/00

    CPC classification number: B64D15/20 ,  G01N21/15 ,  G01N21/21 ,  G01N21/94 ,  G01N21/958 ,  G01N2021/157 ,  G01N2021/8848 ,  G01N2021/945 ,  G02B27/0006

    Abstract: A system for detecting contamination of a window 18 of an optical system includes a polarizing beamsplitter 14, a quarter waveplate 16, a photodetector 12, and a processor 24. The polarizing beamsplitter is configured to receive a laser beam having a first polarization and reflect the laser beam having the first polarization to the window. The photodetector is configured to sense a magnitude of reflections of the laser beam from the window having a second polarization, wherein the polarizing beamsplitter passes the reflections of the laser beam from the window having the second polarization to the photodetector. The processor is configured to determine a contamination level of the window based upon the magnitude of the reflections of the laser beam from the window.

    Abstract translation: 用于检测光学系统的窗口18的污染的系统包括偏振分束器14，四分之一波片16，光电检测器12和处理器24.偏振分束器被配置为接收具有第一极化的激光束并且反射 激光束具有第一极化到窗口。 光电检测器被配置为感测来自具有第二偏振的窗口的激光束的反射的大小，其中偏振分束器将激光束从具有第二偏振的窗口的反射通过到光电检测器。 处理器被配置为基于来自窗口的激光束的反射的大小来确定窗口的污染水平。

    Large droplet detection by statistical fluctuations in LIDAR backscatter
    8.
    发明公开
    Large droplet detection by statistical fluctuations in LIDAR backscatter 有权
    LIDAR-Rückstreuung的Erkennung vongroßenTropfen mittels statistischer Schwankungen

    公开(公告)号：EP2816373A3

    公开(公告)日：2015-02-11

    申请号：EP14173153.9

    申请日：2014-06-19

    Applicant: ROSEMOUNT AEROSPACE INC.

    Inventor： Ray, Mark ,  Anderson, Kaare Josef ,  Miller, Mark Sherwood

    IPC: G01S17/95 ,  G01S7/48

    CPC classification number: G01S17/95 ,  G01S7/4802 ,  Y02A90/19

    Abstract: A method of optically detecting the presence of a bimodal droplet size distribution in the atmosphere. The method comprising monitoring statistical fluctuations in a backscattered signal received from a series of pulsed laser light beams directed into a cloud and analyzing the statistics of the fluctuations of the backscattered signals to identify the presence of larger diameter droplets.

    Abstract translation: 一种在大气中光学检测双峰液滴尺寸分布的存在的方法。 该方法包括监视从指向云中的一系列脉冲激光束接收的反向散射信号中的统计波动，并分析反向散射信号的波动的统计信息以识别更大直径的液滴的存在。

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