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首页> 外文会议>IEEE International Conference on Software Engineering and Service Science >Performance Analysis for Single-Tone Interference Based on Frequency Difference and Angle Difference
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Performance Analysis for Single-Tone Interference Based on Frequency Difference and Angle Difference

机译：基于频差和角度差的单音干扰性能分析

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摘要

Global Positioning System (GPS) provides accurate, continuous, world-wide, three-dimensional position and velocity information to users with the appropriate receiving equipment. However, because GPS receiver relies on external radio frequency (RF) signals, they are vulnerable to unintentional interference or jamming. RF interference can result in degraded navigation accuracy or complete loss of receiver tracking. Thus, common GPS receivers equip with anti-jam algorithm to suppress the interference. In order to improve the anti-jam performance, it is meaningful and significant for us study how interference signal affects GPS receivers. In this paper, the interference performance of two single-tone interference against Least Mean Square (LMS) algorithm in GPS receiver will be analyzed. Simulation results show that when there is specific frequency difference and specific angle difference between two single-tone interference under the condition of uniform linear array, the output Jam-to-Noise ratio (JNR) is bigger and single-tone interference have good interference performance against LMS algorithm in GPS receivers.
机译：全球定位系统（GPS）通过适当的接收设备向用户提供准确，连续，全球范围内的三维位置和速度信息。但是，由于GPS接收器依赖于外部射频（RF）信号，因此容易受到意外干扰或干扰。射频干扰可能会导致导航精度下降或完全失去对接收机的跟踪能力。因此，普通的GPS接收机配备了抗干扰算法来抑制干扰。为了提高抗干扰性能，对我们研究干扰信号如何影响GPS接收机具有重要意义。本文分析了两种单音干扰对GPS接收机的最小均方（LMS）算法的干扰性能。仿真结果表明，在均匀线性阵列条件下，当两个单音干扰之间存在特定的频率差和特定的角度差时，输出的信噪比（JNR）较大，单音干扰具有良好的干扰性能。针对GPS接收机中的LMS算法。

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