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    • 8. 发明授权
    • Simultaneous dual polarization radar system
    • 同时双极化雷达系统
    • US06859163B2
    • 2005-02-22
    • US10393731
    • 2003-03-21
    • James Larry AlfordJames Rogers Helvin
    • James Larry AlfordJames Rogers Helvin
    • G01S7/02G01S7/03G01S13/95G01S13/00
    • G01S13/951G01S7/025G01S7/03G01S13/95Y02A90/18
    • A simultaneous dual polarization radar system is disclosed that utilizes a RF power divider to replace the high speed dual polarization switches utilized in current dual polarization radar systems. The disclosed systems allow for transmission and reception in both horizontal and vertical signal modes simultaneously while repositioning critical receiver components above the elevation rotary coupler in a radar pedestal. A bypass switch is also utilized to allow for mode switching of a radar system and a dual polarization reception design is shown to allow for the economical capturing of linear depolarization ratios of selected atmospheric areas. These new designs eliminate the current problems experienced in current dual polarization radar system of long dwell times and velocity range reductions, and the elimination of the relatively expensive and unreliable polarization switch.
    • 公开了一种同时双极化雷达系统,其利用RF功率分配器来代替当前双极化雷达系统中使用的高速双极化开关。 所公开的系统允许同时在水平和垂直信号模式中进行发射和接收,同时在雷达基座中的仰角旋转耦合器之上重新定位关键接收器组件。 旁路开关还用于允许雷达系统的模式切换,并且示出了双极化接收设计,以便经济地捕获选定的大气区域的线性去极化比。 这些新设计消除了目前在长停留时间和速度范围减小的双极化雷达系统中遇到的问题,并消除了相对昂贵和不可靠的偏振开关。
    • 10. 发明授权
    • Simultaneous dual polarization radar system
    • 同时双极化雷达系统
    • US07049997B2
    • 2006-05-23
    • US10984259
    • 2004-11-09
    • James Larry AlfordJames Rogers Helvin
    • James Larry AlfordJames Rogers Helvin
    • G01S13/95
    • G01S7/025G01S7/003G01S7/024G01S7/03G01S13/951Y02A90/18
    • A simultaneous dual polarization radar system is disclosed that utilizes a RF power divider to replace the high speed dual polarization switches utilized in current dual polarization radar systems. The disclosed systems allow for transmission and reception in both horizontal and vertical signal modes simultaneously while repositioning critical receiver components above the elevation rotary coupler in a radar pedestal. A bypass switch is also utilized to allow for mode switching of a radar system and a dual polarization reception design is shown to allow for the economical capturing of linear depolarization ratios of selected atmospheric areas. These new designs eliminate the current problems experienced in current dual polarization radar system of long dwell times and velocity range reductions, and the elimination of the relatively expensive and unreliable polarization switch.
    • 公开了一种同时双极化雷达系统,其利用RF功率分配器来代替当前双极化雷达系统中使用的高速双极化开关。 所公开的系统允许同时在水平和垂直信号模式中进行发射和接收,同时在雷达基座中的仰角旋转耦合器之上重新定位关键接收器组件。 旁路开关还用于允许雷达系统的模式切换,并且示出了双极化接收设计,以便经济地捕获选定的大气区域的线性去极化比。 这些新设计消除了目前在长停留时间和速度范围减小的双极化雷达系统中遇到的问题,并消除了相对昂贵和不可靠的偏振开关。