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云雾中飞机尾流毫米波雷达多普勒特性研究

Keywords: 飞机尾流,航空安全,毫米波雷达,多普勒

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Abstract:

构建了尾流中云雾滴运动微分方程,通过求解运动方程得到了尾流中云雾滴的运动轨迹、速度分布等特性.分析了尾流中云雾滴的密度分布特性,并以典型的W波段雷达为例,分析了云雾中尾流的探测距离.在此基础上,提出了一种云雾中尾流雷达多普勒特性模拟方法,得到了典型毫米波雷达空间分辨率和观测视角下云雾中尾流的多普勒特性.研究结果表明,云雾中尾流毫米波雷达回波调制了丰富的尾流速度场信息,可为航空安全提供特征支撑.

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