EE 422 - Fall 1998
At the point of the 3rd exam in EE422, you should be able to do the following objectives:
EXAM III Objectives: Discrete Systems, Z-Transforms, and Filter Design
- All exam I and exam II objectives
- Understand the process of Analog-to-Digital conversion (HW #17)
- Model the (ideal) sampling process and derive the frequency domain representation, Xs(f) (Lecture Notes)
- Understand and apply the Nyquist Sampling Theorem (HW #17)
- Recover continuous signals from sampled signals (HW #17)
- Model the quantization process and derive an expression for MSE due to quantization (HW #18)
- Understand the effects of quantization and evaluate dynamic range and SNR (HW #18)
- Derive the Z-transform from the Laplace transform of the ideal sampling model (Lecture Notes)
- Define and understand the relationship between z and s and the z-plane and the s-plane (Lecture Notes)
- Understand and evaluate the region of convergence of Z transforms (HW #18)
- Derive and apply the Final Value Theorem for Z transforms (HW #18)
- Derive and apply properties of the Z transform (Lab #2)
- Use two methods to discretize a continuous-time state variable models (Lab #2)
- Find Z-transforms of discrete signals which are periodic after k=0 (HW #19)
- Use the Z-transform to solve the discrete state variable model and identify the zero-input and zero-state portions of the solution. (HW #20, HW #21, HW#23)
- Obtain discrete-time transfer functions and determine system stability (HW#23)
- Understand concepts of eigenvalues and eigenvectors as they relate to discrete systems
- Use the similarity transformation, x[k]=Pz[k], to decouple a discrete state variable model (HW #23)
- From a decoupled discrete state variable model, determine controllable/observable eigenvalues: (HW #23)
- Understand the how to design for control specifications such as settling time and no-overshoot in the discrete domain (HW #23)
- Design a feedback control law, w[n] = -Kx[n], to set the eigenvalues of a single input discrete system (HW #23)
- Derive the discrete time domain solution to the discrete state equation using the Z-transform (HW #23)
- Use three methods to find the discrete transition matrix, Ak
- Derive and apply the discrete convolution sum (HW #23)
- Perform discrete convolution both graphically and by evaluation of the discrete convolution sum (HW #23)
- Apply the properties of linear time-invariant (shift-invariant) discrete systems (HW #23)