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扩频通信中窄带干扰变换域滤波
专业：电子与通信工程
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目录
摘要 ···················································································································- 2 -·
一、扩频通信中抗窄带干扰 ···········································································- 3 -·
二、自适应 LMS算法简介 ··············································································- 3 -·
2.1 LMS算法的权值计算 ·········································································- 3 -·
2.2 LMS算法加权矢量的过渡过程 ·························································- 4 -·
2.3 LMS算法性能函数的过渡过程 ·························································- 5 -·
三、变换域滤波 ·······························································································- 5 -·
3.1、变换域滤波 ·····················································································- 5 -·
3.1.1 变换域滤波的优点 ·································································- 6 -·
3.1.2 变换域滤波的处理方法 ·························································- 6 -·
3.2 基于 DFT 的窄带干扰滤波技术 ························································- 6 -·
3.2.1 窄带干扰滤波算法框图 ························································- 6 -·
3.2.2 检测门限的确定 ····································································- 7 -·
四、仿真结果 ···································································································- 8 -·
五、分析和总结 ···········
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