Coherent and Phase Modulation MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Coherent and Phase Modulation, a fundamental topic in the field of Optical Communication. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Coherent and Phase Modulation MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Coherent and Phase Modulation mcq questions that explore various aspects of Coherent and Phase Modulation problems. Each MCQ is crafted to challenge your understanding of Coherent and Phase Modulation principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Optical Communication tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Coherent and Phase Modulation MCQs are your pathway to success in mastering this essential Optical Communication topic.

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

So, are you ready to put your Coherent and Phase Modulation knowledge to the test? Let's get started with our carefully curated MCQs!

Coherent and Phase Modulation MCQs | Page 5 of 6

Discover more Topics under Optical Communication

Q41.
FSK synchronous detection is _________ more sensitive than asynchronous heterodyne detection.
Discuss
Answer: (b).0.45 dB
Q42.
The asynchronous heterodyne detection is _________ more sensitive than the dual filter direct detection FSK receiver.
Discuss
Answer: (d).0.40 dB
Q43.
The use of __________ was undertaken to separate the polarization in an analog to digital conversion.
Discuss
Answer: (b).DSP
Q44.
A major attribute of coherent optical transmission was its ability to provide _______________ for future multicarrier systems and networks.
Discuss
Answer: (c).Frequency selectivity
Q45.
The channel width is narrow for the coherent systems than the WDM systems.
Discuss
Answer: (a).True
Q46.
The technique within the coherent multicarrier systems used to broadcast the optical signals over the network is the use of passive _____________
Discuss
Answer: (a).Star coupler
Q47.
Estimate the minimum transmitter power if number of photons per bit are 150, wavelength 1.3 micrometer with an optical bandwidth of 20 THz.
Discuss
Answer: (b).0.5 mW
Q48.
The performance degradation due to nonlinear phase noise is referred to as _____________
Discuss
Answer: (c).Gordon Mollenauer effect
Q49.
______________ facilitates the doubling of the feasible spectral efficiency through the transmission of independent information in each of the two orthogonal polarizations.
Discuss
Answer: (d).POLMUX
Q50.
____________ is a transparent multiplexing technique.
Discuss
Answer: (a).POLMUX
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