A new IIR-type digital fractional order differentiator
نویسندگان
چکیده
A new IIR (infinite impulse response) type digital fractional order differentiator (DFOD) is proposed by using a new family of first order digital differentiators expressed in the second order IIR filter form. The integer first order digital differentiators are obtained by the stable inversion of the weighted sum of Simpson integration rule and the trapezoidal integration rule. The distinguishing point of the proposed DFOD lies in an additional tuning knob to compromise the high frequency approximation accuracy.
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عنوان ژورنال:
- Signal Processing
دوره 83 شماره
صفحات -
تاریخ انتشار 2003