约束方差控制 constrained variance control
线性约束最小方差 LCMV
方差约束 variance constraint
协方差约束 covariance restriction
基于线性约束最小方差 linearly constrained minimum variance ; LCMV
用线性约束最小方差 linearly constrained minimum variance
线性约束最小方差算法 Linear Constrained Minimum Variance ; LCMV
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详细推导了基于功率倒置阵列的线性约束最小方差(LCMV)算法及其递推公式,避免了矩阵求逆的复杂运算。
The linearly constrained minimum variance (LCMV) algorithm based on the power inversion array and its iterative formula are deduced in the paper, which avoids the complexities of matrix inversion.
为了进一步改善波束形成器的降噪性能,文章提出了一种基于维纳滤波的线性约束最小方差波束形成器。
A new method of linearly constrained minimum variance beamforming that based on Wiener filter is proposed to improve its performance of noise reduction.
该波束形成器首先让信号经过维纳滤波器消除非相干噪声,而后经过经典的线性约束最小方差处理,最终达到较好的语音增强效果。
This kind of beamformer can eliminate incoherent noise when signals pass Wiener filter, then achieve a better speech-enhance effect by linear constraints minimum variance beamforming.
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