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Recent questions tagged wireless communications
+1
vote
1
answer
Explain the concept of space wave propagation.
asked
Mar 26, 2019
in
Class 12
by
kratos
class-12
wireless communications
+1
vote
1
answer
Regarding noise and the signal-to-noise ratio (SNR) in CT:
asked
Feb 27, 2019
in
Class 12
by
kratos
class-12
wireless communications
+2
votes
1
answer
Define critical angle.
asked
Feb 17, 2019
in
Class 12
by
kratos
class-12
wireless communications
+3
votes
1
answer
Name the two radio waves that propagate near to the surface of the earth.
asked
Jan 18, 2019
in
Class 12
by
kratos
class-12
wireless communications
+3
votes
1
answer
Complete the following block diagram depicting the essential elements of a basic communication system.
asked
Dec 24, 2018
in
Class 12
by
kratos
wireless communications
class-11
communication systems
ray optics
class-12
+2
votes
1
answer
Define noise ratio.
asked
Dec 23, 2018
in
Class 12
by
kratos
class-12
wireless communications
+2
votes
1
answer
Draw the block diagram of basic electronic communication system.
asked
Dec 18, 2018
in
Class 12
by
kratos
class-12
wireless communications
+1
vote
1
answer
Which layer of the ionosphere has the greatest effect on a radio signal?
asked
Nov 12, 2018
in
Class 12
by
kratos
class-12
wireless communications
+2
votes
1
answer
Write a short note on noise.
asked
Nov 9, 2018
in
Class 12
by
kratos
class-12
wireless communications
+1
vote
1
answer
Define critical frequency.
asked
Oct 28, 2018
in
Class 12
by
kratos
class-12
wireless communications
+3
votes
1
answer
How are ground waves polarized?
asked
Oct 18, 2018
in
Class 12
by
kratos
class-12
wireless communications
+2
votes
1
answer
Mention the range of frequency signals that propagate best through ionosphere.
asked
Oct 15, 2018
in
Class 12
by
kratos
class-12
wireless communications
+1
vote
1
answer
What is fading?
asked
Oct 4, 2018
in
Class 12
by
kratos
class-12
wireless communications
+1
vote
1
answer
Name any two paths that a radio signal can take through space.
asked
Sep 14, 2018
in
Class 12
by
kratos
class-12
wireless communications
+2
votes
1
answer
What is the frequency range of signal that propagate best over the surface of the earth?
asked
Aug 25, 2018
in
Class 12
by
kratos
class-12
wireless communications
+3
votes
1
answer
The phenomena involved in the reflection of radio waves by ionosphere is similar to (a) reflection of light by a plane mirror.
asked
Aug 19, 2018
in
Class 12
by
kratos
wireless communications
cbse
ray optics and optical instruments
communication systems
class-12
+1
vote
1
answer
Mention the frequency of radio waves.
asked
Aug 3, 2018
in
Class 12
by
kratos
class-12
wireless communications
+1
vote
1
answer
With relevant diagram, explain ionospheric propagation.
asked
Jul 21, 2018
in
Class 12
by
kratos
class-12
wireless communications
+2
votes
1
answer
The reflected waves from an ionosphere are ............... .
asked
Jul 14, 2018
in
Physics
by
kratos
waves
wireless communications
communication
electromagnetic waves
jee
communication systems
jee mains
class-12
contemporary physics
+1
vote
1
answer
Mention the types of radio propagation.
asked
Jul 7, 2018
in
Class 12
by
kratos
class-12
wireless communications
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