满足中国辐射掩蔽的UWB脉冲成形算法UWB pulse shaping algorithm satisfying China radiation masking
纪元法,杨政权,孙希延
摘要(Abstract)：
针对目前缺乏满足中国辐射掩蔽标准的超宽带(UWB)脉冲设计方案的问题,提出一种基于修正Hermite多项式(MHP)功率谱频移组合的UWB脉冲成形算法。分析了MHP时频特性,选择其为UWB脉冲基函数;用高频正弦波实现基函数的功率谱频移,以满足中国辐射掩蔽标准为约束条件,采用随机数法选取权重系数进行线性组合形成脉冲;最后,通过迭代正弦波频率,对脉冲波形进行优化。Matlab仿真结果表明,该成形脉冲不仅满足中国辐射掩蔽,且在整个频段都有较好的频谱利用率,与用高斯函数迭代算法组合脉冲比较,抗多用户干扰性能更强。
关键词(KeyWords)： 中国辐射掩蔽;超宽带;修正Hermite多项式;功率谱频移;随机数法;多用户干扰
基金项目(Foundation): 国家自然科学基金(61362005);国家自然科学基金(61561016);国家自然科学基金(11603041);; 广西技术创新引导专项(桂科AC16380014);; 四川科技计划项目(17ZDYF1495);; 广西信息科学实验中心资助项目;; 桂林电子科技大学研究生教育创新计划资助项目(2018YJCX22)~~
作者(Author): 纪元法,杨政权,孙希延
DOI: 10.16652/j.issn.1004-373x.2018.19.001
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