Ece 322: Introduction To Telecommunication Engineering. Question Paper
Ece 322: Introduction To Telecommunication Engineering.
Course:Bachelor Of Electrical And Communications Engineering
Institution: Moi University question papers
Exam Year:2010
DEPARTMENT OF ELECTRICAL AND COMMUNICATION ENGINEERING
ECE 322: Introduction to Telecommunication Engineering.
CAT 1
Thursday 18th March 2010
Instruction: Answer all Questions
a. Describe a "Telecommunication system" (3mks)
b. In general, the field of telecommunication can be conceptualized in three fields of study. Name and describe these fields of study. (6mks)
2.
a. Define the following terms as used in telecommunication system (4mks)
i. Baseband signal
ii. Carrier signal
iii. Modulated signal
iv. Bandwidth
b. Differentiate between:
i. Digital and discrete signal
ii. Stationary and wide sense stationary signal
iii. Periodic and random signals
iv. Fourier and Laplace transform
v. Probability density function and power spectral density
vi. Uniform and normal distribution (6mks)
3.
a. Define the term modulation (1mk)
b. Explain why double sideband full carrier modulation is not a popular modulation system (3mks)
c. Define modulation index for an AM system (2mks)
d. Explain three major ways of achieving Single Sideband modulation (3mks)
e. Describe analog QAM (5mks)
f. Explain why phase modulation is viewed as a special case of frequency modulation (2mks)
g. State Carson''s rule for frequency modulation (2mks)
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