采用窗函数法、频率抽样法和切比雪夫最佳一致逼近法,通过调用Matlab信号处理工具箱中的函数设计低通数字滤波器。
By using MATLAB signal and using window method, frequency sampling and Chebyshev approximation the design of low pass digital filter in the toolbox have been processed.
方法首先讨论了对传统抗呼吸干扰的相干平均法改进,同时提出了估计拟合呼吸波和时域切比雪夫正交多项式消除呼吸干扰的方法。
Method The improvement of coherent averaging method of Reducing respiratory Interference was discussed, and evaluation-fitting respiratory wave and filter of Chebyshev's polynomial as presented.
文章针对锅炉送风矩形大管道,运用“对数一切比雪夫”法的速度一面积法,来设计风量测量装置,以及根据设计的方案选型。
For boiler air-flow rectangular tube, the article introduced using Logarithmic Chebychev method to design air-flow meter and choose appropriate proper model according to design scheme.
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