REV 4- Antenna Systems
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REV 4- Antenna Systems
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Computers
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Christian Mina
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74 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A theoretical antenna which is also known as isotrophic antenna that emits the signal uniformly in all directioi J)other words, at distance d from the antenna, in any direction,the transmitted signal power is the same.
a. Elementary Doublet
b. Dipole
c. back to front ratio
d. Isotropic Radiator
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Accomplished by spreading the ends of the feedline and adjusting the
spacing until optimum performance is reached.
a. Delta Matching
b. Quarter Wave Matching
c. Stub Matching
d. Gamma Matching
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
It is the range of frequency over which an antenna will radiate effectively or
satisfactory.
a. Front-to-Back Ratio
b. Antenna
c. Antenna Bandwidth
d. Polarization
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A metallic conductor system capable of radiating and capturing electromagnetic energy.
a. Antenna
b. Radiowave
c. Transmission Line
D. Optical Fiber
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How to tell the difference between
Passive and Active Antennas?
a.no amplier & integrated amplifier
b. with amplifier & integrated amplifier
c. a & b
d. None of the above
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
It states that antenna characteristics, design and calculations are the same whether the antenna is used as a receiving or transmitting antenna.
a. Antenna Reciprocal
b. Antenna Reciprocity
c. Antenna
d. Radiation Pattern
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The actual length of the
antenna is not equal to its
electrical length. It is shorter
due to capacitance effects.
a. First effect
b. Second Effects
c. End Effects
d. All of the above
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