Digital Signal Processing. Search at:- Digital Signal Processing. The investigation of the ECG has been extensively used for diagnosing many cardiac diseases. The ECG is a realistic record of the direction and magnitude of the electrical commotion that is generated by depolarization and re-polarization of the atria and ventricles. The majority of the clinically useful information in the ECG is originated in the intervals and amplitudes defined by its features characteristic wave peaks and time durations.
Signal processing is an electrical engineering subfield that focuses on analysing, modifying, and synthesizing signals such as sound , images , and scientific measurements. According to Alan V. Oppenheim and Ronald W. Schafer , the principles of signal processing can be found in the classical numerical analysis techniques of the 17th century. They further state that the digital refinement of these techniques can be found in the digital control systems of the s and s. Signal processing matured and flourished in the s and s, and digital signal processing became widely used with specialized digital signal processor chips in the s.
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