【6h】

Countering GPS Jamming and EW Threat

机译:对抗GPS干扰和电子战威胁

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摘要

Efforts at the U.S. Army Research, Development and Engineering Center (ARDEC) at Picatinny, New Jersey are focused on developing methods to counter GPS jamming and electronic warfare (EW) threat by eliminating GPS dependency entirely. In addition, the need for munitions cost reduction requires alternatives to expensive high-grade inertia components. Efforts at ARDEC include investigations of novel methods for onboard measurement of munitions full position and angular orientation independent of GPS signals or high-grade inertia components. Currently, two types of direct angular measurement sensors are being investigated. A first sensor, Radio Frequency Polarized Sensor (RFPS), uses an electromagnetic field as a reference. A second sensor is based on magnetometers, using the Earth magnetic field for orientation measurement. Magnetometers, however, can only provide two independent orientation measurements. The RFPS may also be used to make full object position and angular orientation measurement relative to a reference coordinate system, which may be moving or stationary. The potential applications of novel RFPS sensors is in providing highly effective inexpensive replacement for GPS, which could be used in a "Layered Navigation" scheme employing alternate referencing methods and reduce the current dependency on GPS as a primary reference for guided gun-fired munitions. Other potential applications of RFPSs is in UAVs, UGVs, and robotic platforms.
机译:新泽西州Picatinny的美国陆军研究,开发和工程中心(ARDEC)的工作重点是开发方法,通过完全消除GPS依赖性来应对GPS干扰和电子战(EW)威胁。另外,降低弹药成本的需求要求使用昂贵的高级惯性部件替代。 ARDEC的工作包括研究新的机载弹药完整位置和角向测量方法,该方法独立于GPS信号或高级惯性分量。当前,正在研究两种类型的直接角度测量传感器。第一个传感器是射频极化传感器(RFPS),它使用电磁场作为参考。第二个传感器基于磁力计,利用地球磁场进行方向测量。然而,磁力计只能提供两个独立的方向测量。 RFPS还可以用于相对于移动或固定的参考坐标系进行完整的对象位置和角度取向测量。新型RFPS传感器的潜在应用是为GPS提供高效,廉价的替代品,该替代品可用于采用替代参考方法的“分层导航”方案中,并减少当前对GPS的依赖,作为制导炮弹弹药的主要参考。 RFPS的其他潜在应用是在无人机,无人飞行器和机器人平台中。

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