JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

Pre-requisites

Digital Signal Processing

UNIT - I

Discrete and continuous Random variables: Probability distribution and density functions. Gaussian and Rayleigh density functions, Correlation between random variables, Stationary random process, Ergodicity, Power spectral density and autocorrelation function of random processes. Noise power spectral density analysis, Noise bandwidth, Noise figure of systems.

UNIT - II

Data Compression Techniques: Lossy and Lossless data reduction Algorithms. ECG data compression using Turning point, AZTEC, CORTES, Huffman coding, vector quantization, DCT and the K L transform. Cardiological Signal Processing: Pre-processing. QRS Detection Methods. Rhythm analysis. Arrhythmia detection Algorithms. Automated ECG Analysis. ECG Pattern Recognition. Heart rate variability analysis.

UNIT - III

Adaptive Noise Canceling: Principles of Adaptive Noise Canceling. Adaptive Noise Canceling with the LMS adaptation Algorithm. Noise Canceling Method to Enhance ECG Monitoring. Fetal ECG Monitoring.

UNIT - IV

Signal Averaging, polishing–mean and trend removal, linear prediction. Yule–walker (Y–W) equations. Their applications in ECG and EEG.

UNIT - V

Neurological Signal Processing: Modeling of EEG Signals. Detection of spikes and spindles Detection of Alpha, Beta, and Gamma Waves. Auto Regressive (A.R.) modeling of seizure EEG. Sleep Stage analysis. Inverse Filtering. Least squares and polynomial modeling. Original Prony’s Method. Prony’s Method based on the Least Squares Estimate. Analysis of Evoked Potentials and PCG.

TEXT BOOKS:

• 1. Rangaraj M. Rangayyan – Biomedical Signal Analysis. IEEE Press, 2001.
• 2. D. C. Reddy, Biomedical Signal Processing- principles, and techniques, Tata McGraw-Hill, 2005.
• 3. Biomedical Digital Signal Processing, Willis J. Tompkins, PHI,

REFERENCE BOOKS:

• 1. Weitkunat R, Digital Bio signal Processing, Elsevier, 1991.
• 2. Akay M , Biomedical Signal Processing, Academic: Press 1994
• 3. Cohen.A, Biomedical Signal Processing -Vol. I Time & Frequency Analysis, CRC Press, 1986. R16 B.TECH BIOMEDICAL ENGG.