Based on building up a model of echo canceller, the convergence of gradient-type stochastic adjustment algorithm of an adaptive filter under the mean-squared error criterion is discussed.
在建立回波抵消器模型的基础上，按最小均方误差准则，导出了自适应滤波器抽头的统计梯度算法和抽头调节的收敛公式。
All of the six ratios are statistically significant converge to the mean of industry, but the speeds of convergence are different from each other for the existence of adjustment cost.
我们所考察的六种财务比率都显著地向行业均值收敛，但调整成本和行业特性的差异导致了不同的财务比率具有不同的收敛速度。
The invention changes the eyes adjustment and the eyes convergence by using the spectacles with the cheap integrally formed spectacle lenses, making the eyes comfortable and endurable.
本发明要解决的技术问题是使成本较低的一体成形眼镜片的眼镜在改变眼睛调节的同时也能改变双眼的集合，让眼睛感觉舒适耐劳。
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