IIR Multiple Notch Filter Design for Power Line Interference Removal
Neelam Mehala1, Anand2
1Neelam Mehala, Department of Electronics Engineering, YMCA University of Science and Technology, Faridabad, INDIA.
2Anand, Department of Electronics Engineering, YMCA University of Science and Technology, Faridabad, INDIA.
Manuscript received on August 11, 2013. | Revised Manuscript received on August 15, 2013. | Manuscript published on August 25, 2013. | PP: 65-68 | Volume-1, Issue-10, August 2013. | Retrieval Number: J04380811013/2013©BEIESP
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© The Authors. Published By: Blue Eyes Intelligence Engineering and Sciences Publication (BEIESP). This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)
Abstract: Digital IIR notch filter has been employed in various practical applications i.e in communication systems, medical science and many more to eliminate unwanted narrowband interference with known frequency. It is difficult to filter noise from these signals, and errors resulting from filtering can distort a biomedical signal. This paper presents the design technique and implementation of IIR multiple notch filter by the application of suitable pole placement technique. This technique gives the fixed value of parameters used to design of multiple IIR notch filter for removal this harmonically distributed kind of interference.
Keywords: Digital IIR multiple notch filters, mathematical modeling, Pole Re-position.