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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)

Ece 322: Introduction To Telecommunication Engineering. Question Paper

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