LAB 01
Two Dimensional Graph
Objectives:
To study basic plotting functions.
LAB TASKS:
Q NO 1
Draw graphs of the functions
y = cos(x)
z=x
For 0 x 2 in the same window Use the zoom facility to determine the point of
intersection of the two curves (and, hen

LAB 02
Matrix Implementation in Matlab
Objective:
Objective of this lab is to familiarize student with matrices, arrays there operation loops and
function file
LAB TASKS:
Question 1:
Write a function highestnumber (a,b,c,d,e) where a, b, c, d and e are in

Lab#05 Z-TRANSFORM
Objective:
Objective of this lab is to introduce student with pole and zeros and how to draw pole and zero
graph in matlab.
Introduction
Just as the Fourier transform forms the basis of signal analysis, the z-transform forms the basis o

Lab#10 Designing of IIR filters by MATLAB commands.
1. Objective
Designing of IIR filters by MATLAB commands.
2. Overview
MATLAB contains various routines for design and analyzing digital filter IIR. Most of these
Is part of the signal processing tool box

Lab#06 Pole and Zero plot in Z Domain
Introduction
A MATLAB function residuez is available to compute the residue part and the direct (or polynomial) terms
of a rational function in z. Let
be a rational function in which the numerator and the denominator

LAB#04 Discrete Time systems
Introduction
Mathematically, a discrete-time system is described as an operator T[.] that takes a sequence x(n) called
excitation and transforms it into another sequence y(n) (called response). Discrete time systems can be
cla

Lab 02 Matrix Implementation in Matlab
Objective:
Objective of this lab is to familiarize student with matrices, arrays there operation loops and function file
Matrices and Arrays
About Matrices:
In the MATLAB environment, a matrix is a rectangular array

LAB 10
% ellip low pass
fs=8000;
[n,w]=ellipord(1200/4000,1500/4000,1,50); % finding the order of the filter
[b,a]=ellip(n,0.5,20,w); % finding zeros and poles for filter
figure(1)
freqz(b,a,512,8000);
figure(2)
[h,q] = freqz(b,a,512,8000);
plot(q,abs(h);

Lab 03: Time domain representation of Discrete signals
Objective
Time domain Representation of discrete Signals
Convolution
Write a program in MATLAB to generate and plot following
1) Unit Impulse
2) Sine wave Y(n) = 1.5 Sin(2f n + ) 0< n < 40 with freq

Signals and Systems
Home work 2
Submission Deadline: 27 November, 2014, before 1200
Problem 1
Prove the following properties of convolution for LTI systems
i.
Convolution is commutative
x ( t )y ( t )= y ( t )x(t )
ii.
Convolution is distributive
x ( t )[