Adaptive digital filters with variable step-size may become unstable when their weights are automatically adjusted with input signal and noise.
变步长自适应数字滤波器的权值随信号和噪声的变化自动调整时可能出现不稳定。
On the basis of analyzing variable step size adaptive filtering algorithm, adopted RAM search table to implement fast convolution in the filter operation.
在分析了变步长自适应滤波算法的基础上，采用基于RAM的查找表来实现滤波运算中的快速卷积。
The paper introduces acoustic echo cancellation algorithm that is based on the improved and variable step size NLMS and it's DSP implementation.
介绍一种基于改进的可变步长规格化最小均方差(NLMS)回声消除算法研究和它的DSP实现。
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