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    • 3. 发明授权
    • Drone aircraft detector
    • 无人机飞机检测器
    • US09337889B1
    • 2016-05-10
    • US14870384
    • 2015-09-30
    • Scott Stapleford
    • Scott Stapleford
    • H04B1/7117H04B1/7103H04B1/12H04W72/08H04W24/10
    • H04B1/123H04B1/707
    • A detector for detecting the presence of Direct Sequence Spread Spectrum (DSSS) signals transmitted in the 2.4 GHz band by a drone aircraft controller to control the flight of a drone aircraft. The detector has a microprocessor that performs autocorrelation analysis of multiple samples of the received DSSS signals and noise present in multiple spaced channels within the 2.4 GHz band to detect consistent correlation peaks which indicate the presence of DSSS signals. The microprocessor also determines the relative strength of the correlation peaks and energizes LEDs generally indicating how close the drone aircraft controller is to the drone aircraft detector. The detector has a first antenna means, a second antenna means, and a receiver and the microprocessor performs time difference of arrival measurements between the signals received by the first antenna means and the second antenna means to determine the general direction of the drone aircraft controller with respect to the drone aircraft detector and the processor displays this general direction utilizing other LEDs on the detector.
    • 一种检测器,用于检测由无人机飞行器控制器在2.4GHz频带中发射的直接序列扩频(DSSS)信号的存在,以控制无人机飞行的飞行。 检测器具有微处理器,对2.4GHz频带内的多个间隔信道中存在的接收到的DSSS信号和噪声的多个采样进行自相关分析,以检测一致的相关峰值,表明存在DSSS信号。 微处理器还确定相关峰的相对强度,并激励通常指示无人机飞行器控制器与无人驾驶飞机检测器接近的LED。 检测器具有第一天线装置,第二天线装置和接收器,并且微处理器执行由第一天线装置和第二天线装置接收的信号之间的到达测量时间差,以确定无人机飞行器控制器的总方向 对于无人机飞行器检测器而言,处理器利用检测器上的其他LED来显示该通用方向。