摘要
介绍一种模糊自动控制滤波器的原理及其在时域信号处理中的应用.讨论了滤波器的滤波效果与模糊控制参数间的关系.提出了一种利用短时分形维数来修正滤波器的模糊控制参数,从而改善滤波效果的方法.通过对W e ierstrass函数的滤波,表明了这是一种有效的滤波降噪方法,对各种复杂信号的滤波均有非常好的应用前景.
After an introduction to the principle of fuzzy-control digital filter and its application in timedomain signal processing, the relationship between the filter processing result and its fuzzy-control parameters has been discussed in this paper. To improve the filter processing effect, a new method called short-time fractal dimension has been presented to adjust the value of the filter＇s fuzzy-control parameter. Filtering of the Weierstrass function shows that this method is an effective filtering method and can be widely used for the filtering of complex signals.
出处
《中北大学学报（自然科学版）》
EI
CAS
2006年第3期272-275,共4页
Journal of North University of China(Natural Science Edition)
基金
山西省青年基金资助项目(20010106)
关键词
分形维数
分形滤波
模糊控制
信号处理
fractal dimension
fractal filtering
fuzzy control
signal processing
