Title :
ECG signal de-noising on node based a dedicated FFT circuit
Author :
Luo Yu ; Zhang Fengjuan ; Nie Zedong ; Wang Lei
Author_Institution :
Shenzhen Inst. of Adv. Technol., Shenzhen, China
Abstract :
Electromagnetic Interference induced by 50/60 Hz power line is a major problem in physiological measurements. Conventional methods using embedded software are time-consuming and need great amount of calculation. In this paper we developed a digital filter based on hardware acceleration. The design was implemented with ASIC incorporated a reconfigurable Fast Fourier Transform (FFT) unit, a licensed ARM7TDMI IP hardcore and several peripheral IP blocks. Comparing with other methods, this design achieved precision results in the low frequency range, which fit well for physiological signals. Our method is remarkably faster than conventional methods. The simulation and application results validate the accuracy and efficiency of the proposed method.
Keywords :
application specific integrated circuits; digital filters; electrocardiography; fast Fourier transforms; medical signal processing; microcontrollers; signal denoising; ARM7 TDMI IP hardcore; ASIC; ECG signal denoising; FFT unit; dedicated FFT circuit; digital filter; electromagnetic interference; embedded software; frequency 50 Hz; frequency 60 Hz; peripheral IP blocks; power line; reconfigurable fast Fourier transform; Application specific integrated circuits; Electrocardiography; Frequency domain analysis; Hardware; IP networks; Interference; Noise reduction;
Conference_Titel :
New Circuits and Systems Conference (NEWCAS), 2012 IEEE 10th International
Conference_Location :
Montreal, QC
Print_ISBN :
978-1-4673-0857-1
Electronic_ISBN :
978-1-4673-0858-8
DOI :
10.1109/NEWCAS.2012.6329056
