Digital Signal Processing Notes (DSP)
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INTRODUCTION: Introduction to Digital Signal Processing: Discrete time signals & sequences, linear shift invariant systems, stability, and causality. Linear constant coefficient difference equations. Frequency domain representation of discrete time signals and systems.
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DISCRETE FOURIER SERIES: DFS representation of periodic sequences, Properties of discrete Fourier series, Discrete Fourier transforms: Properties of DFT, linear convolution of sequences using DFT, Computation of DFT :Over-lap Add method , Over-lap Save method, Relation between DTFT,DFS,DFT and Z-Transform.
FAST FOURIER TRANSFORMS: Fast Fourier transforms (FFT) – Radix-2 decimation in time and decimation in frequency FFT Algorithms, Inverse FFT, and FFT with general Radix- N
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REALIZATION OF DIGITAL FILTERS: Applications of Z – transforms, solution of difference equations of digital filters,System Function,Stability Criterion, Frequency response of stable systems, Realization of digital filters- Direct, Canonic.,Cascade and Parallel forms.
IIR DIGITAL FILTERS: Analog filter approximations – Butter worth and Chebyshev, Design of IIR Digital filters from analog filters,Step and Impulse invariant techniques, Bilinear transformation method, Spectral transformations.
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FIR DIGITAL FILTERS : Characteristics of FIR Digital Filters, frequency response. Design of FIR Filters:Fourier Method, Digital Filters using Window Techniques, Frequency Sampling technique, Comparison of IIR & FIR filters.
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MULTIRATE DIGITAL SIGNAL PROCESSING: Introduction,Down sampling,Decimation, Upsampling,interpolation, sampling rate conversion,conversion of band pass signals,concept of resampling,Applications of multi rate signal processing.
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FINITE WORD LENGTH EFFECTS : Limit cycles, Overflow oscillations, Round-off noise in IIR digital filters,Computational output round off noise, Methods to prevent overflow, Trade off between round off and overflow noise,Measurement of coefficient quantization effects through pole-zero movement,Dead band effects.
TEXT BOOKS: Digital Signal Processing Notes | DSP Notes | DSP Pdf notes
- Digital Signal Processing, Principles, Algorithms, and Applications: John G. Proakis, Dimitris G. Manolakis, Pearson Education / PHI, 2007.
- Discrete Time Signal Processing – A.V.Oppenheim and R.W. Schaffer, PHI
- Fundamental of Digital Signal Processing – Loney Ludeman,John Wiley ,2009.
Reference Books: Digital Signal Processing Notes | DSP Notes | DSP Pdf notes
- Digital Signal Processing: – Fundamentals and Applications – Li Tan , Elsevier,2008
- Fundamentals of Digital Signal Processing using Matlab-Robert J Schilling,Sandra L Harris ,Thomson.2007.
- DSP-S Salivahanan,A . Vallavaraj and C.Gnanapriya,TMH,2009.
- Discrete Systems and Digital Signal Processing with MATLAB- Taan S. EIAli,CRC press,2009
- Digital Signal Processing – A Practical approach , Emmanuel C. Ifeachor and Barrie W. Jervis, 2nd edition , Pearson Education , 2009