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Welcome to the Baseband Demodulation and Detection MCQs Page

Dive deep into the fascinating world of Baseband Demodulation and Detection with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Baseband Demodulation and Detection, a crucial aspect of Digital Communication. In this section, you will encounter a diverse range of MCQs that cover various aspects of Baseband Demodulation and Detection, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Digital Communication.

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Check out the MCQs below to embark on an enriching journey through Baseband Demodulation and Detection. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Digital Communication.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Baseband Demodulation and Detection. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Baseband Demodulation and Detection MCQs | Page 1 of 9

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Q1.
The term heterodyning refers to

a.

Frequency conversion

b.

Frequency mixing

c.

Frequency conversion & mixing

d.

None of the mentioned

Discuss
Answer: (c).Frequency conversion & mixing
Q2.
The causes for error performance degradation in communication systems are

a.

Interference

b.

Electrical noise

c.

Effect of filtering

d.

All of the mentioned

Discuss
Answer: (d).All of the mentioned
Q3.
Thermal noise in the communication system due to thermal electrons

a.

Can be eliminated

b.

Cannot be eliminated

c.

Can be avoided upto some extent

d.

None of the mentioned

Discuss
Answer: (b).Cannot be eliminated
Q4.
White noise has _______ power spectral density.

a.

Constant

b.

Variable

c.

Constant & Variable

d.

None of the mentioned

Discuss
Answer: (a).Constant
Q5.
Which are called as hard decisions?

a.

Estimates of message symbol with error correcting codes

b.

Estimates of message symbol without error correcting codes

c.

All of the mentioned

d.

None of the mentioned

Discuss
Answer: (b).Estimates of message symbol without error correcting codes
Q6.
The filter which is used to recover the pulse with less ISI is called as

a.

Matched filter

b.

Correlator

c.

Matched filter & Correlator

d.

None of the mentioned

Discuss
Answer: (b).Correlator
Q7.
The composite equalizing filter is the combination of

a.

Receiving and equalizing filter

b.

Transmitting and equalizing filter

c.

Amplifier and equalizing filter

d.

None of the mentioned

Discuss
Answer: (a).Receiving and equalizing filter
Q8.
The sample from the demodulation process consists of sample which is _______ to energy of the received symbol and _____ to noise.

a.

Directly and inversely proportional

b.

Inversely and directly proportional

c.

Both directly proportional

d.

Both inversely proportional

Discuss
Answer: (a).Directly and inversely proportional
Q9.
The average noise power of white noise is

a.

0

b.

Infinity

c.

1

d.

None of the mentioned

Discuss
Answer: (b).Infinity
Q10.
The channel may be affected by

a.

Thermal noise

b.

Interference from other signals

c.

Thermal noise & Interference from other signals

d.

None of the mentioned

Discuss
Answer: (c).Thermal noise & Interference from other signals
Page 1 of 9

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