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    • 2. 发明授权
    • Method and system for autonomous two-way radio frequency communication
    • 自主双向射频通信方法与系统
    • US06546259B1
    • 2003-04-08
    • US09595915
    • 2000-06-20
    • Robert S. Vendryes
    • Robert S. Vendryes
    • H04B700
    • H04B7/0608H04B7/18506H04B7/18508
    • A method and system for autonomous two-way RF communication between a launch vehicle and at least one receiving or tracking station. Detection circuitry continuously determines the identity of the optimum receiving or tracking station (ground, sea, airborne, or satellite) and selects the best launch vehicle transmission antenna to close the RF telemetry link. The method and system is designed to simultaneously transmit and receive RF signals. The antenna system includes a telemetry transmission link and an antenna selection link. Antenna selection link signals received by each antenna element on the launch vehicle are provided via RF couplers to a receiver for signal strength and modulation signal detection. The telemetry transmission link communicates with a receiving or tracking station by using a transmitter to drive one of two or more switched antennas mounted on the surface of the launch vehicle having the current higher signal strength.
    • 一种用于运载火箭和至少一个接收或跟踪站之间的自主双向RF通信的方法和系统。 检测电路连续地确定最佳接收或跟踪站(地面,海上,空中或卫星)的身份,并选择最佳的运载火箭发射天线来关闭RF遥测链路。 该方法和系统被设计为同时发射和接收RF信号。 天线系统包括遥测传输链路和天线选择链路。 通过RF耦合器将由运载火箭上的每个天线元件接收的天线选择链路信号提供给用于信号强度和调制信号检测的接收机。 遥测传输链路通过使用发射机来驱动安装在具有当前较高信号强度的运载火箭表面上的两个或更多个交换天线之一与接收或跟踪站进行通信。