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    • 2. 发明授权
    • Moving target simulator
    • 移动目标模拟器
    • US06067041A
    • 2000-05-23
    • US172817
    • 1998-10-15
    • Stephen G. KaiserStuart J. CollarMark D. Hischke
    • Stephen G. KaiserStuart J. CollarMark D. Hischke
    • G01S7/40
    • G01S7/4052G01S2007/4095
    • A moving target simulator for testing a radar system has a radio frequency receiver, a digital radio frequency memory in electrical communication with the radio frequency receiver for storing a signal received thereby, a digital delay circuit in electrical communication with the digital radio frequency memory for providing a time delay between reception and transmission of the radio frequency signal, an amplitude modulation circuit in electrical communication with the digital radio frequency memory for modulating an amplitude of the radio frequency signal, a Doppler modulation circuit in electrical communication with the digital radio frequency memory for providing a Doppler-modulated signal, and a radio frequency transmitter for transmitting the radio frequency signal after it has been delayed, amplitude-modulated, and/or Doppler-modulated.
    • 用于测试雷达系统的移动目标模拟器具有射频接收器,与射频接收器电通信的数字射频存储器,用于存储由此接收的信号;与数字射频存储器电通信的数字延迟电路,用于提供 射频信号的接收和发送之间的时间延迟,与用于调制射频信号的幅度的数字射频存储器电通信的幅度调制电路,与数字射频存储器电通信的多普勒调制电路, 提供多普勒调制信号,以及射频发射机,用于在已经被延迟,幅度调制和/或多普勒调制之后发送射频信号。