Digital Signal Processing and Applications (CSCT5105)
Computer Science - COS
Semester: First Semester
Level:
Year: 2016
SCHOOL: H.T.T.T.C DEPARTEMENT: CS LECTURER(S): Mr. ATANGANA ROMAIN
COURSE CODE: COURSE TITLE: DIGITAL SIGNAL PROCESSING OPTION: FCS 400
DATE: SEPT 2015 HALL: …….. TIME: 1 H 30MINS NATURE: Resit Exam
INSTRUCTION: Answer all these questions.
Question 1: 40 mks
Given the system
Where and are the input and output respectively.
Draw the flow diagram of the direct FormII, and direct Form II
T
structures.
Question2: 30 mks
An exponential signal,
is sampled at a frequency of 10Hz,
beginning at the time t=0.
a) Express the sampled sequence, up to the fifth term.
b) If the signal is delayed by 0.2s, what would be the first five terms?
c) What would be the resulting sequence if and the delayed
sequence of b) above are added together?
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