基于盲数理论的空中目标粗分类
Rough Classification of Air-Target with the Theory of Blind Number
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摘要: 该文首先总结了直升机目标雷达探测和识别的难点，然后分析了直升机目标雷达回波信号频谱调制特征，给出了直升机回波频谱宽度的估算式。以频谱宽度为特征，引入盲数理论，对直升机和固定翼飞机进行初步分类，并给出了仿真试验结果。试验结果证明了该文的理论分析和分类算法。Abstract: This paper first summarizes the difficulty in detecting and identifying helicopter, then analysis the spectrum signature of radar echo signal from helicopter, and estimates the width of the spectrum modulated by helicopter blades. The author uses the width of the spectrum and applies the theory of blind number to a rough classification of helicopter and fixed-wing aircraft. The author provides the result of emulation, and the result proves the effectiveness of theoretic analyses and the algorithm of classification.
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