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Microwave Communication
__________ is the progressive decrease of signal strength with increasing distance.
Modulation
Attenuation
Propagation
Radiation
Modulation
Attenuation
Propagation
Radiation
Answer
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Related Question
Microwave Communication
To achieve good bearing resolution when using a pulsed-radar set, an important requirement is
A narrow, antenna-beam width in the horizontal plane
A narrow, antenna-beam width in the vertical plane
A high duty cycle
A low repetition rate
A narrow, antenna-beam width in the horizontal plane
A narrow, antenna-beam width in the vertical plane
A high duty cycle
A low repetition rate
Answer
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Microwave Communication
A PPI cathode-ray tube as used on a radar set
Is used to check the percentage of modulation
Indicates only the range of a target
Indicates both the range and azimuth of a target
Is used for receiver alignment
Is used to check the percentage of modulation
Indicates only the range of a target
Indicates both the range and azimuth of a target
Is used for receiver alignment
Answer
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Microwave Communication
Rainfall is an important factor for fading of radio waves at frequencies above
10 GHz
100 GHz
1 GHz
100 MHz
10 GHz
100 GHz
1 GHz
100 MHz
Answer
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Microwave Communication
A high-power microwave pulse of the order of megawatts can be generated by a
Gunn diode
Magnetron
Reflex klystron
Traveling-wave tube
Gunn diode
Magnetron
Reflex klystron
Traveling-wave tube
Answer
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Microwave Communication
In an SHF pulsed radar set, a reflex klystron can be used as a
Duplexer stage
Transmitter oscillator
Single mixer stage
Local oscillator
Duplexer stage
Transmitter oscillator
Single mixer stage
Local oscillator
Answer
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