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    • 1. 发明授权
    • Retroreflecting transponder
    • 后向应答器
    • US08102313B2
    • 2012-01-24
    • US12401210
    • 2009-03-10
    • Christoph GuentherHermann BischlAchim Dreher
    • Christoph GuentherHermann BischlAchim Dreher
    • H01Q3/26H04B7/185
    • H01Q1/288H01Q1/28H01Q3/2647H01Q3/2652
    • The Method for transmitting a signal from a transmitter in an area around the transmitter via a satellite comprising the steps of transmitting a first signal having a first frequency from the transmitter to a satellite having a retrodirective antenna array comprising receiving antennas and transmitting antennas, receiving the signal transmitted from the transmitter by the receiving antennas of the retrodirective antenna array as first signals wherein the first signals received by the receiving antennas have a phase relation among each other defined by the geometric arrangement of the receiving antennas, and retrodirectively re-transmitting second signals from the transmitting antennas of the antenna array of the satellite in the direction towards the transmitter in the form of a beam with the transmitter located substantially in the center of the beam wherein the second signal has a second frequency different from the first frequency and wherein the phase relations among the second signal transmitted from the transmitting antennas of the antenna array of the satellite are substantially the same as the phase relations among the first signals received by the receiving antennas of the antenna array of the satellite.
    • 用于经由卫星在发射机周围的区域中从发射机发送信号的方法包括以下步骤:将具有第一频率的第一信号从发射机发送到具有包括接收天线和发射天线的逆向天线阵列的卫星,接收 信号由作为第一信号的逆导天线阵列的接收天线从发射机发送的信号,其中由接收天线接收的第一信号彼此之间具有由接收天线的几何布置定义的相位关系,以及逆向重新发送第二信号 从卫星的天线阵列的发射天线以波束形式的发射机的方式发射,发射机基本上位于波束的中心,其中第二信号具有不同于第一频率的第二频率,其中, 第二信号之间的相位关系 从卫星的天线阵列的发送天线发送的信号与由卫星的天线阵列的接收天线接收到的第一信号之间的相位关系基本相同。
    • 2. 发明申请
    • RETROREFLECTING TRANSPONDER
    • 重新选择TRANSPONDER
    • US20090232188A1
    • 2009-09-17
    • US12401210
    • 2009-03-10
    • Christoph GuentherHermann BischlAchim Dreher
    • Christoph GuentherHermann BischlAchim Dreher
    • H04B7/14H04B1/713
    • H01Q1/288H01Q1/28H01Q3/2647H01Q3/2652
    • The Method for transmitting a signal from a transmitter in an area around the transmitter via a satellite comprising the steps of transmitting a first signal having a first frequency from the transmitter to a satellite having a retrodirective antenna array comprising receiving antennas and transmitting antennas, receiving the signal transmitted from the transmitter by the receiving antennas of the retrodirective antenna array as first signals wherein the first signals received by the receiving antennas have a phase relation among each other defined by the geometric arrangement of the receiving antennas, and retrodirectively re-transmitting second signals from the transmitting antennas of the antenna array of the satellite in the direction towards the transmitter in the form of a beam with the transmitter located substantially in the center of the beam wherein the second signal has a second frequency different from the first frequency and wherein the phase relations among the second signal transmitted from the transmitting antennas of the antenna array of the satellite are substantially the same as the phase relations among the first signals received by the receiving antennas of the antenna array of the satellite.
    • 用于经由卫星在发射机周围的区域中从发射机发送信号的方法包括以下步骤:将具有第一频率的第一信号从发射机发送到具有包括接收天线和发射天线的逆向天线阵列的卫星,接收 信号由作为第一信号的逆导天线阵列的接收天线从发射机发送的信号,其中由接收天线接收的第一信号彼此之间具有由接收天线的几何布置定义的相位关系,以及逆向重新发送第二信号 从卫星的天线阵列的发射天线以波束形式的发射机的方式发射,发射机基本上位于波束的中心,其中第二信号具有不同于第一频率的第二频率,其中, 第二信号之间的相位关系 从卫星的天线阵列的发送天线发送的信号与由卫星的天线阵列的接收天线接收到的第一信号之间的相位关系基本相同。