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    • 1. 发明申请
    • VIRTUAL NOISE RADAR WAVEFORM FOR REDUCED RADAR DETECTABILITY
    • 用于减少雷达探测性的虚拟噪声雷达波形
    • WO1997045752A1
    • 1997-12-04
    • PCT/US1997009253
    • 1997-05-30
    • ESCO ELECTRONICS CORPORATION
    • ESCO ELECTRONICS CORPORATIONSAUER, Mark, F.KREMER, Larry, R.ZIEGLER, John, A.AGNE, Craig, L.
    • G01S07/495
    • G01S13/222G01S7/282G01S7/285G01S7/35G01S7/36G01S13/32G01S13/44G01S2013/0281
    • Apparatus (10) for generating a radar waveform (W). A noises generator (20) generates a series of pulses in a pseudo-random pattern, and a frequency generator (16) generates a carrier wave having a frequency within a predetermined band of frequencies. The carrier wave is modulated with the pseudo-random pattern of pulses, and the resulting modulated carrier wave passed through both a filter (30) and an attenuator (32) to suppress any discernible feature or signal characteristics of the resulting waveform. The modulated carrier is transmitted by an antenna (42) and a received return signal is processed by a signal processor (100) to obtain pertinent information about a target. The transmitted waveform has no discernible attributes by which the waveform, if processed and analyzed by someone else's radar detector (E) would convey any intelligence as to the presence or source of the transmitted waveform.
    • 用于产生雷达波形(W)的装置(10)。 噪声发生器(20)以伪随机模式产生一系列脉冲,并且频率发生器(16)产生具有预定频带范围内的频率的载波。 载波以脉冲的伪随机模式进行调制,所得到的调制载波通过滤波器(30)和衰减器(32),以抑制所得波形的任何可辨别的特征或信号特性。 调制载波由天线(42)传输,并且接收的返回信号由信号处理器(100)处理以获得关于目标的相关信息。 传输的波形没有明确的属性,通过该属性波形,如果由其他人的雷达检测器(E)进行处理和分析,则将传达关于发送波形的存在或来源的任何智能。
    • 3. 发明申请
    • LASER TRANSPONDER AND METHOD FOR DISABLING LASER SPEED MONITORS
    • 激光传输器和消除激光速度监视器的方法
    • WO1997021110A1
    • 1997-06-12
    • PCT/US1996019161
    • 1996-12-02
    • LIDATEK L.L.C.
    • LIDATEK L.L.C.LAAKMANN, PeterZHANG, Yong, Fang
    • G01S07/495
    • G01S7/495G01P3/36G01S7/4806G01S7/483G01S17/58G01S17/88
    • A laser tranponder and method for disabling a laser-based speed monitor of the type that transmits a monitor laser beam at a moving motor vehicle. The monitor laser beam transmitted by the speed monitor is detected when it arrives at the motor vehicle. In response to detecting the monitor laser beam, a warning is output to the motor vehicle driver and a jamming laser beam is transmitted toward the speed monitor. The jamming laser beam includes a plurality of pulses separated from each other by a time period that is less than or equal to an amount of time needed for the monitor laser beam to travel from the speed monitor to the motor vehicle and back to the speed monitor. The jamming laser beam disables the speed monitor for a time period sufficient to allow the motor vehicle driver to reduce the speed of the motor vehicle.
    • 一种用于禁用在移动的机动车辆上传输监视激光束的类型的基于激光的速度监视器的激光应答器和方法。 当检测器到达机动车辆时,检测由速度监视器发送的监视激光束。 响应于检测到监视激光束,向机动车辆驱动器输出警告,并向该速度监视器发送干扰激光束。 干扰激光束包括多个彼此分离的脉冲,该时间间隔小于或等于监视激光束从速度监视器行驶到机动车辆并返回到速度监视器所需的时间量 。 干扰激光束使速度监视器在足以允许机动车驾驶员降低机动车辆速度的时间段内禁用。