filtfilt
零相位数字滤波
说明
使用数字滤波器 y
= filtfilt(d
,x
)d
对输入数据 x
进行零相位滤波。使用 designfilt
根据频率响应设定生成 d
。
示例
输入参数
输出参量
参考
[1] Gustafsson, F. “Determining the initial states in forward-backward filtering.” IEEE® Transactions on Signal Processing. Vol. 44, April 1996, pp. 988–992. https://doi.org/10.1109/78.492552.
[2] Mitra, Sanjit K. Digital Signal Processing. 2nd Ed. New York: McGraw-Hill, 2001.
[3] Oppenheim, Alan V., and Ronald W. Schafer, with John R. Buck. Discrete-Time Signal Processing. 2nd Ed. Upper Saddle River, NJ: Prentice Hall, 1999.
扩展功能
版本历史记录
在 R2006a 之前推出