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脉间CostasFH讷发辨毫米波雷达信号的DDS实现

Keywords: 高分辨,毫米波雷达,脉间跳频,雷达信号,直接数字合成,DDS,Costas编码,脉间CostasFH信号

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Abstract:

介绍了一种高分辨率雷达信号(脉间CostasFH信号)和直接数字合成(DDS)技术,给出了脉间CostasFH信号与步进频率脉冲雷达信号的统一表达形式,以及用“频率挑选矩阵”从DDS所产生的信号集合中产生脉间跳频信号的方法,使用该种方法,可以增加雷达系统软硬件实现的灵活性。

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