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。
To analyze the cause of design error on Oscillating follower Cylinder Cam Mechanism, building the mathematics model, and affording the equation to conform to actual motion rule.
分析了摆动从动件圆柱凸轮机构误差产生原因，建立了数学模型，并给出其实际运动规律的方程。
Using a knife edge to measure the MTF of optical system is a basic way. The paper discusses the influence of slit edge error on MTF by building a mathematical model.
刀口法是测量光学系统的传递函数一种基本方法，通过对刀口边缘误差建立数学模型，讨论刀口误差对光学传递函数测量精度的影响。
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