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结合小波变换的结构风险最小化空时均衡器

DOI: 10.13190/jbupt.201102.90.maozhy, PP. 90-93

Keywords: 空时均衡,滤波,小波变换,容量控制,结构风险最小化

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Abstract:

提出了一种结合小波变换的结构风险最小化空时均衡器(WSRMSTE),WSRMSTE采用小波变换技术可提高收敛速度.该方法在多维小波基上张成的空间中,综合利用通信信号中的学习信息和滤波器自身的结构信息,可自适应调整最佳小波系数和容量控制作用.通过仿真实验,并与结构风险最小化空时均衡器(SRMSTE)和结合小波变换的支持向量机空时均衡器(WSVMSTE)比较,得出结论WSRMSTE收敛速度快,跟踪性能好,在复杂环境下的无线移动通信中具有一定的应用前景.

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