GPS多级抗干扰系统

Conference Record of the Thirty-Sixth Asilomar Conference on Signals, Systems and Computers, 2002. Pub Date : 2002-11-03 DOI:10.1109/ACSSC.2002.1197061

R. Cagley, Suk-seung Hwang, J. Shynk

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引用次数: 12

摘要

全球定位系统(GPS)是一种单向卫星通信系统，广泛用于民用和军事应用。由于接收信号的功率相对较低，GPS非常容易受到各种有意和无意的干扰。本文研究了一种多级时空自适应处理器(STAP)，用于提高GPS接收机在各种干扰情况下的检测能力。根据干扰类型的不同，这些级包括陷波滤波器、波束形成器和盲线性干扰消除器等结构。计算机仿真说明了多级接收机在宽带和窄带干扰下的性能。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A multistage interference rejection system for GPS

The Global Positioning System (GPS) is a one-way satellite communication system that is widely used for both civilian and military applications. Because of the relatively low power of the received signals, GPS is highly susceptible to a variety of intentional and unintentional interferers. In this paper we examine a multistage space-time adaptive-processor (STAP) that is used to improve the detection capability of a GPS receiver for a wide range of jamming scenarios. Depending on the type of interference, the stages incorporate structures such as a notch filter, a beamformer and a blind linear interference canceler. Computer simulations are provided to illustrate the performance of the multistage receiver for wideband and narrowband interferers.

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Conference Record of the Thirty-Sixth Asilomar Conference on Signals, Systems and Computers, 2002.

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