An optimized deployment method for satellite navigation distributed suppression of interference
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摘要: 卫星导航已广泛应用于人类生产生活的各个领域. 然而，由于落地信号微弱等原因，卫星导航信号容易受到干扰. 在实际应用中，分布式压制干扰因其覆盖范围大、不易被探测等优点，成为卫星导航干扰的一种有效手段. 本文采用基于参考面的可视域算法计算单个干扰站在特定地形内的干扰范围. 在此基础上，采用循环迭代的方法来寻找分布式压制干扰的最优布站方案.实验分析表明：在本文实验条件下，分布式压制干扰覆盖率达到了98%以上，明显优于传统大功率单干扰源的74.18%，同时，通过合理设置红区和绿区，还可进一步突出重点压制干扰目标，实现多重压制干扰.Abstract: Satellite navigation has been widely used in various fields of human production and life, however, due to weak landing signals and other reasons, satellite navigation signals are prone to interference. In practical applications, distributed suppression jamming has become an effective means of satellite navigation jamming because of its advantages such as large coverage area and difficult detection. In this paper, the visual field algorithm based on the reference surface is used to calculate the interference range of a single jamming station in a specific terrain, and on this basis, a cyclic iterative method is used to find the optimal layout scheme of distributed jamming suppression. Experimental analysis shows that under experimental conditions, the distributed suppression interference coverage rate of the proposed method is more than 98%, which is obviously better than 74.18% of the traditional high-power single interference source. At the same time, the key suppression interference targets can be further highlighted and multiple suppression interference can be realized by setting red and green zones reasonably.
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