Memristor Based Filter Design and Implementation for ECG Signal

Abstract

This paper presents memristor based filter implementation for biomedical signal. For this purpose, memristor based high-pass and low-pass filter circuits are constructed by simply replacing resistor with memristor emulator circuit in well-known R-C filter structures. The filter circuits are constituted on board and firstly sine wave is applied as input signal. Then, Electrocardiographic (ECG) signal is applied as input for M-C filter circuits. The results are obtained and analysed in real-time. In the implementation stage of study, LabVIEW platform and DAQ card are used to obtain real-time data. The results show that memristor can be used quite easily to sort out biomedical signal processing applications and shows better performance.

Keywords

• ECG,Filter,LabVIEW,Memristor

Memristör Tabanlı Filtre Tasarımı ve ECG Sinyali için Uygulanması

Abstract

Bu çalışma memristör tabanlı filtrenin biyomedikal sinyal için uygulanmasını göstermektedir. Bu amaçla, sık kullanılan R-C filtre yapıları ile memristör tabanlı yüksek-geçiren ve alçak-geçiren filtre devreleri basitçe resistör elemanı yerine memristör taklitçi devresinin yerleştirilmesiyle oluşturulmaktadır. Filtre devreleri board üzerinde kurularak ilk önce girişine sinüs işareti uygulanmaktadır. Ardından, Electrokardiyografi (EKG) sinyali M-C filtrenin girişine uygulanmaktadır. Sonuçlar gerçek zamanlı elde edilip analiz edilmektedir. Çalışmanın uygulama aşamasında LabVIEW arayüzü ve DAQ kartı kullanılmaktadır. Filtreleme işlemi sonucunda memristörün biyomedikal sinyal işleme uygulamalarında kolaylıkla kullanılabileceği görülmektedir. 

Keywords

• ECG,Filtre,LabVIEW,Memristör

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