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DFCCIL EC/EE Advance Communication QUIZ - 2

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Question 1

Diversity techniques are used in microwave communication to

Question 2

Which ionosphere layer is responsible for the return of a radiation at frequency 30 MHz?

Question 3

Tropospheric scatter communication is used for which frequency band?

Question 4

In microwave communication systems, sometimes, the same frequency is used by separation of signals through vertical and horizontal polarizations. This technique is generally called

Question 5

In microwave communication links, what causes intense fading in the 18 GHz band?

Question 6

One of the reasons why vacuum tubes eventually fail at microwave frequencies is that their

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AE & JE Exams

Aug 14AE & JE Exams