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IJSTR >> Volume 4 - Issue 6, June 2015 Edition

International Journal of Scientific & Technology Research  
International Journal of Scientific & Technology Research

Website: http://www.ijstr.org

ISSN 2277-8616

Reduction Of Power Line Humming And High Frequency Noise From Electrocardiogram Signals

[Full Text]



Mohammed Nabil Abdalazim Mursi, Dr. Mohamed H. M. Nerma



Index Terms: Power line interference, adaptive filtering, LMS, DSP, hum, high frequency noise, ECG, general notch rejection filters.



ABSTRACT: With the latest advancements in electronics, several techniques are used for removal of unwanted entities from signals especially that are implied in the most complicated applications. The removal of power line interference from most sensitive medical monitoring equipments can also be achieved by implementing various useful techniques. The power line interference (50/60 Hz) is the main source of noise in most of bio-electric signals. The thesis report presents the removal of power line interference and other single frequency tones from ECG signal using the advanced adaptive filtering technique with least mean square (LMS) algorithm. The thesis is based on digital signal processing (DSP) techniques with MATLAB package. The MATLAB package will be used in the thesis work which is a powerful tool for the interactive design in most of the scientific applications and complex engineering calculations. In addition so as to achieve the goal of thesis, the removal of harmonics (hum) and high frequency noise from ECG signal by using general notch rejection filters is investigated and implemented.



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