单星定位中采用混沌映射的干扰源位置识别方法

doi:10.7527/S1000-6893.2021.25407

电子电气工程与控制

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单星定位中采用混沌映射的干扰源位置识别方法

张轶¹, 翟盛华¹, 陶海红²

1. 中国空间技术研究院西安分院, 西安 710100;
2. 西安电子科技大学雷达信号处理国家重点实验室, 西安 710071

收稿日期:2021-02-21 修回日期:2021-06-11 发布日期:2021-05-31
通讯作者: 张轶,E-mail:zhangyi1290@163.com E-mail:zhangyi1290@163.com
基金资助:
国家自然科学基金(61771015)

Identification of interference source for single satellite geolocation using chaotic mapping

ZHANG Yi¹, ZHAI Shenghua¹, TAO Haihong²

1. China Academy of Space Technology(Xi'an), Xi'an 710100, China;
2. National Laboratory of Radar Signal Processing, Xidian University, Xi'an 710071, China

Received:2021-02-21 Revised:2021-06-11 Published:2021-05-31
Supported by:
(]National Natural Science Foundation of China (61771015)

摘要/Abstract

摘要： 针对卫星通信中的连续大功率干扰定位问题,提出基于混沌映射的单星干扰源位置识别方法。该方法利用混沌振子的初值敏感性进行信号相关性分析,可有效降低卫星下行链路动态变化对上行链路的影响,进一步提升干扰源识别性能。通过对实测数据进行统计分析,结果表明不同混沌映射下,信号相关算法的复杂度和定位性能不同。在给定判决门限下,该定位模型可实现75%的干扰源识别概率,且定位成功率和定位精度分别达到65%和23 km,优于现有的量子衍生算法。

关键词: 干扰源识别, 混沌映射, 单星定位, 信号相关, 卫星通信

Abstract: To cope with the issue of locating continuous high power interference in satellite communication, an identification of the interference source is proposed based on chaotic mapping. Relying on the initial value sensitivity of chaotic oscillator to analyze signal correlation, the proposed method can effectively reduce the impact of dynamic characteristics of the downlink on the uplink, and further improve the performance of interference source identification. Statistical analysis of the measured data shows that the complexity and localization performance of correlation algorithms are different with different chaotic maps. Moreover, the simulation result shows that with given decision thresholds, the probability of interference source identification is more than 75%; the position accuracy is close to 23 km, with a location probability of 65%.It is also confirmed that the proposed model is better than the existing quantum-inspired algorithm.

Key words: interference source identification, chaotic mapping, single satellite localization, signal correlation, satellite communicationhttp

中图分类号:

V19
TN927

张轶, 翟盛华, 陶海红. 单星定位中采用混沌映射的干扰源位置识别方法[J]. 航空学报, 2022, 43(7): 325407.

ZHANG Yi, ZHAI Shenghua, TAO Haihong. Identification of interference source for single satellite geolocation using chaotic mapping[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2022, 43(7): 325407.

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E-mail：hkxb@buaa.edu.cn

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单星定位中采用混沌映射的干扰源位置识别方法

Identification of interference source for single satellite geolocation using chaotic mapping

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