| 一种自适应跳频中的干扰检测算法 |
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| 引用本文： | 彭任斌,金力军. 一种自适应跳频中的干扰检测算法[J]. 电子科技大学学报(社会科学版), 2006, 0(4) |
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| 作者姓名： | 彭任斌 金力军 |
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| 作者单位： | 西安电子科技大学综合业务网理论及关键技术国家重点实验室 西安710071 |
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| 摘 要： | 为提高跳频通信系统的可靠性和稳定性,根据线性数字调制信号的特点,对信号进行非线性变换,应用变换后信号的功率谱密度中所包含的信号特征信息,提出了一种适合于自适应跳频的干扰检测算法。该算法基于贝叶斯决策理论,属于盲信干(信噪)比检测。仿真结果表明,该算法满足跳频通信系统的要求。
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| 关 键 词： | 自适应跳频 功率谱密度 多元正态概率型 贝叶斯决策 |
An Algorithm for Detecting Interferences Applied to Adaptive Frequency Hopping (AFH) Systems |
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| PENG Ren-bin,JIN Li-jun. An Algorithm for Detecting Interferences Applied to Adaptive Frequency Hopping (AFH) Systems[J]. Journal of University of Electronic Science and Technology of China(Social Sciences Edition), 2006, 0(4) |
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| Authors: | PENG Ren-bin JIN Li-jun |
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| Abstract: | To improve the reliability and stability of FH communications, nonlinear transforms are used according to the properties of linear modulated digital signals. Based on the information included in the PSD of the transformed signals, an algorithm for detecting interferences applied to adaptive FH is proposed. The algorithm is based on Bayesian decision-making, which belongs to blind detection of signal-to-interference ratio (SIR) and signal-to-noise ratio (SNR). The simulation results show that the algorithm meets the requirements of FH communication systems. |
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| Keywords: | adaptive frequency hopping power spectral densities multivariate normalized probability type bayesian decision-making |
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