1 Ph. D. Thesis entitled “An Investigation on Impact of Body Movement Activities on Wearable Ambulatory Electrocardiogram (A-ECG)” Submitted to the Sardar Patel University Vallabh Vidyanagar In partial fulfillment of the requirements for the award of Degree of Doctor of Philosophy in Electronics & Communication Engineering Sardar Patel University Submitted by Rahul K. Kher Guided by Dr. T D Pawar (Department of Electronics Engineering, Birla Vishwakarma Mahavidyalaya, V V Nagar) and Dr. V K Thakar (Department of Electronics & Communication Engineering, ADIT, New V V Nagar) Sophisticated Instrument Center for Applied Research and Testing (SICART) Sardar Patel University Vallabh Vidyanagar, Gujarat, India.