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基于线性校正总体最小二乘准则的三维说话人定位算法

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Indexed by:期刊论文

Date of Publication:2009-12-15

Journal:通信学报

Included Journals:EI、PKU、ISTIC、CSCD、Scopus

Volume:30

Issue:12

Page Number:106-112

ISSN No.:1000-436X

Key Words:三维说话人;定位麦克风阵列;到达时间差;总体最小二乘

Abstract:针对到达时间差(TDOA)度量误差和麦克风阵列误差,提出了一种基于线性校正总体最小二乘准则的三维说话人定位算法.该定位算法通过对球面误差准则进行总体最小二乘优化来控制阵列误差的影响,并通过对优化过程引入方向参数的二次约束来控制算法的方差.仿真实验表明,本算法可以同时兼顾定位的方差性能和偏差性能,给出稳健的定位结果.

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