1. 电子科技大学
2. 电子科技大学 成都
纸质出版:1990
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[1]李晓峰,李在铭.用于多路复信号自适应滤波的快递归最小二乘横向滤波器[J].电子学报,1990(02):90-96.
Li Xiao-feng, Li Zai-ming. Fast Recursive Least Squares Adaptive Transversal Filter for Multichannel Complex Signals[J]. Acta Electronica Sinica, 1990, (2): 90-96.
近年发展起来的快递归最小二乘横向滤波器只能用于各路输入向量等长的多路复信号自适应滤波情形。本文针对这一局限
引入了矩阵变换方法
并在推导中考虑了指数前窗等普遍性特点
导出了其广义形式。新算法有计算量最低的优势
尤其是除法极少的特点。文中还考虑了算法数值稳定性问题
并给出了它用于判决反馈自适应均衡的计算机模拟。
Recently developed fast recursive least squares transversal filter
when used in multichannel cases
requires the input vectors have equal lengthes.In this paper
a general version without the limitation is presented by introducing a matrix transformation method. For more general cases
exponential pre-window
etc. are also considered. The new filter has the least calculation complexity and the advantage of few divisions. Numerical unstability is also discussed. Its computer simulation is given.
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