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Computer Science
Signal Processing
Digital Signal Processing (DSP)
1. Introduction to Digital Signal Processing
2. Discrete-Time Signals and Systems
3. The Z-Transform
4. Frequency Analysis of Discrete-Time Signals
5. Digital Filter Design and Implementation
6. Multirate Digital Signal Processing
7. Advanced Topics in DSP
Discrete-Time Signals and Systems
Discrete-Time Signal Representation
Sequence Notation and Indexing
Graphical Representation of Sequences
Mathematical Description of Sequences
Elementary Discrete-Time Signals
Unit Impulse Sequence
Definition and Properties
Mathematical Representation
Unit Step Sequence
Definition and Properties
Relationship to Unit Impulse
Sinusoidal Sequences
Frequency Parameters
Amplitude and Phase
Aliasing in Discrete Sinusoids
Exponential Sequences
Real Exponential Sequences
Complex Exponential Sequences
Relationship to Sinusoidal Sequences
Ramp Sequence
Rectangular Pulse Sequence
Operations on Discrete-Time Signals
Time Shifting
Forward Shift (Advance)
Backward Shift (Delay)
Time Reversal
Amplitude Operations
Scaling
Addition
Multiplication
Signal Folding
Sampling Rate Alteration
Decimation
Interpolation
Discrete-Time Systems
System Representation Methods
Block Diagram Representation
Difference Equation Representation
Input-Output Description
System Properties
Linearity
Superposition Principle
Additivity and Homogeneity
Time-Invariance
Shift-Invariance Property
Time-Shift Test
Causality
Causal System Definition
Non-causal System Examples
Stability
BIBO Stability Definition
Stability Testing Methods
Memory
Memoryless Systems
Systems with Memory
Linear Time-Invariant Systems
LTI System Properties
Impulse Response Characterization
Convolution Sum
Definition and Derivation
Convolution Properties
Commutativity
Associativity
Distributivity
Identity Property
Graphical Convolution Method
Analytical Convolution Computation
System Response to Arbitrary Input
Difference Equations
Linear Constant-Coefficient Difference Equations
Recursive Systems
Non-recursive Systems
Initial Conditions and Complete Response
Homogeneous and Particular Solutions
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1. Introduction to Digital Signal Processing
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3. The Z-Transform