IIR Multiple Notch filter with Improved Symmetry In Gain Using Optimal Pole Reposition Technique
Journal Title: International Journal of Electrical, Electronics and Mechanical Fundamentals (www.ijeemf.com) - Year 2012, Vol 3, Issue 1
Abstract
This paper presents the optimal pole reposition technique for designing a stable IIR multiple notch filter with improved symmetry in gain using optimal pole reposition technique. We have to create the tow notch filter for it step to find suitable pole position with a sharp notch at particular frequency. After that connect two IIR notch filter to get a IIR multiple notch filter to notch two frequencies. Similarly two frequency notch filter are connected to form a IIR multiple notch filter to notch four frequencies. Zeros are placed at the unit circle and get a good response we must have to change the value of pole radius. The value of pole radius is chosen in such a way that we get a symmetrical response at notch frequency and can control the pass band gain at dc, π and ωc frequencies.
Authors and Affiliations
Prince Bansal , Ramnish Kumar
Keywords
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