基于线性迭代预测的线性调频信号估计方法

被引:1
作者
徐政五 [1 ]
鲁晓倩 [2 ]
张扬 [1 ]
机构
[1] 电子科技大学电子工程学院
[2] 电子科技大学信息中心
关键词
线性迭代预测; 线性调频信号; 信号参数; 估计范围; 旋转求和抽取;
D O I
暂无
中图分类号
TN911.23 [信号检测与估计];
学科分类号
摘要
针对线性调频(linear frequency modulation,LFM)信号参数估计方法中参数估计范围较小的问题,以旋转求和抽取(rotate add decimate,RAD)测频方法为基础,提出了一种估计LFM信号参数范围的改进方法.该方法在保证线性调频斜率以及频率估计精度的前提下,将线性调频斜率估计范围扩展至(-π/2,π/2).给出了用线性迭代预测方法改进LFM信号参数估计范围的基本思想和步骤.最后仿真验证了该方法的有效性.
引用
收藏
页码:693 / 696
页数:4
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