Ψηφιακή Επεξεργασία Σημάτων (ECE_Κ640)
Έγγραφα
| Τύπος | Aρχείο  | Μέγεθος | Ημερομηνία | |
|---|---|---|---|---|
| 11 - Implementation Structures of Discrete Time Systems Infinite Impulse Response (IIR) Filters (Direct Form I, Direct Form II, Cascade Form, Parallel Form), Finite Impulse Response (FIR) Filters (Direct Form, Cascade Form, Linear Phase Form, Frequency Sampling Form), Lattice Filters (Filter Lattice FIR, Lattice All Pole Filter). | 1.49 MB | 4/3/24 | ||
| 10 - Digital IIR Filters Introduction to Infinite Impulse Response (IIR) Filters, IIR Filter Design (General IIR Filter Design Method, Individual IIR Filter Design Methods), Standard Low-Pass Analog Filter (Standard Butterworth Low-Pass Filter, Standard Chebyshev I and II Low-Pass Filter, Standard Low-Pass Elliptic Filter), IIR Filter Design Methods (Invariant Impulse Response Method, Bilinear Transform Method), Effect of Finite Word Length on Filter Accuracy. | 5.44 MB | 4/3/24 | ||
| 09 - Digital FIR Filters Introduction to Digital Filters (Filter Gain Control, Minimum, Maximum, Mixed and Linear Phase Filters, Ideal Frequency Selective Filters, Specifications of Real Digital Filters, Stages of Digital Filter Implementation), Finite Impulse Response (FIR) Filters (Description of FIR Filters in time and frequency domains, FIR Filter as a Delay Line, Types of Linear Phase FIR Filters), FIR Filter Design Methods (Window Method, Frequency Sampling Method, Optimal Design Method (Equiripple Method)), Study of Window Sequences (Rectangular, Triangular (Bartlett), Hanning, Hamming, Blackman, Kaiser). | 4.03 MB | 4/3/24 | ||
| 08 - Discrete Fourier Transform (DFT) Discrete Fourier Transform (DFT) (Definition, Phase Factors, Magnitude and Phase Spectra), Relation of DFT to Other Transforms (DTFT Transform, Z Transform), DFT Calculation with Tables, DFT Properties (Linearity, Cyclic Convolution in Time, Cyclic Time Shift, Conjugation, Symmetry for Real Sequences, Symmetry for Complex Sequences, Periodic Sequence Expansion, Periodic Convolution, Cyclic Frequency Shift, Cyclic Convolution, Multiplication of Sequences, Parseval's Theorem), Relation of Cyclic Convolution to Linear, Calculus of Circular Convolution with DFT, Computation of Segmental Convolution (Overlap-Save Method, Overlap-Add Method), Fast Fourier Transform (Computational Cost of DFT, Strategy for Building Efficient DFT Calculation Algorithms, Decimation in time FFT Algorithm, Decimation in frequency FFT Algorithm). | 5.09 MB | 6/3/24 | ||
| 07 - Study of Discrete Time Systems in the Frequency Domain Description of Discrete-Time System in Z-field (Transfer Function, Relation between Transfer Function and Difference Equation, Frequency Response, Poles and Zeros of Transfer Function, All-Pole and All-Zero Systems, Causality and Stability Theorems), Solution of Difference Equations, Frequency Response – DTFT Properties, Applications (Frequency Response Calculation, Solving Differential Equations, Inverse System Design, System Connections), Study of Discrete Time Systems in State Space. | 1.87 MB | 6/3/24 | ||
| 06 - Discrete Time Fourier Transform (DTFT) Fourier Series of Discrete Time Signals, Discrete Time Fourier Transform (DTFT) (Direct and Inverse DTFT, Practical Usefulness of DTFT, Useful Pairs of DTFT), Properties of DTFT (Periodicity, Symmetry and Conjugation, Linearity, Time Reversal, Time Shift, Frequency Shift, Variation in Frequency, Convolution Theorem, Periodic Convolution, Correlation, Parseval Theorem), Inverse DTFT, Relation of DTFT to other Transforms (By Fourier transform, By Z transform), Sampling rate transformation (Down-sampling, Up-sampling, Sampling rate transformation by real number). | 3.33 MB | 4/3/24 | ||
| 05 - Z-Transform Z-Transform Definition (Direct, Inverse), Region of Convergence (of Sequences of Infinite Duration, of Sequences of Finite Duration), Relation of Z-Transform to Other Transforms (Fourier Transform, Laplace Transform), One-sided Z-Transform, Useful Z Transform Pairs & Regions of Convergence, Z-Transform Properties (Linearity, Time Shift, Time Reversal, Time Scaling, Complex Frequency Scaling, Convolution Theorem, Z Field Derivation, Complex Conjugate, Signal Multiplication, Initial Value Theorem, Final Value Theorem), Poles and Zeros of the Z-Transform. Calculation Methods of the Inverse Z-Transformation (Theorems of integral balances, Expansion in power-trains, Expansion in partial sums). | 2.16 MB | 4/3/24 | ||
| 04 - Study of Discrete Time Systems with Difference Equations Difference Equations, Solving Differential Equations with Linear Coefficients, Classification of Systems according to the Type of Shock Response, Asymptotic Stability Linear Shift Invariant Discrete Time Systems. | 2.04 MB | 4/3/24 | ||
| 03 - Discrete-Time Systems – Study of Systems with Convolutional Sum Introduction to Discrete Time Systems, Classification of Discrete Time Systems (Causal, Static, Time Invariant, Homogeneous, Linear, Stable, Invertible), Ways of Describing Discrete Time Systems (Grade Diagrams, Difference Equations, Convolutional Sum), Recursive ανδ Non-Recursive Systems, Study of Systems with the Convolutional Sum, Properties of Convolutional Sum, Ways to Calculate Linear Convolution (Analytic calculation, Graphical calculation, Using Linear Algebra, Toeplitz Table). | 1.2 MB | 4/3/24 | ||
| 02 - Discrete Time Signals Analog vs Digital Processing, Generation of Discrete Time Signals, Classification of Discrete Time Signals (Periodic and Non-Periodic, Even and Odd, Energy and Power Signals, Causal and Anticausal Signals), Operations on Discrete Time Signals (Addition, Multiplication, Magnitude Scaling), Transformations of the Independent Variable (Time Shift, Inversion, Time Scaling), Fundamental Discrete Time Signals (Unit Step Sequence, Unit Impulse Sequence, Unit Slope Sequence, Analysis of Discrete Time Signals into Unit Impulses, Real Exponential Discrete Time Sequence, Complex Exponential Discrete Time Sequence, Sine Sequence). | 4.93 MB | 4/3/24 | ||
| 01 - Signal Conversion from Analog to Digital Types of Sampling (Ideal Sampling, Practical Sampling, Flat Top Sampling), Quantization (Uniform and Non-Uniform Quantization, Quantization Parameters), Coding, Reconstruction of Analog Signal from Digital. | 2.21 MB | 4/3/24 |
