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Microwave Communication

Microwave Communication
A high-power microwave pulse of the order of megawatts can be generated by a

Gunn diode
Traveling-wave tube
Magnetron
Reflex klystron

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Microwave Communication
The maximum usable range of the usual radar set (on any particular range setting) is determined by

The interval between transmitted pulses
The width of the transmitted pulses
The bandwidth of the receiver IF stages
The duty cycle

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Microwave Communication
Which of the reception problems below that is not due to multipath?

Delayed spreading
Slow fading
Random Doppler shift
Rayleigh fading

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Microwave Communication
What do you call an attenuation that occurs over many different wavelengths of the carrier?

Wavelength fading
Rician fading
Slow fading
Rayleigh fading

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Microwave Communication
Which of the following is used as an oscillator device in the SHF band?

Tunnel diode
Thyratron tube
Klystron tube
Both B and C

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Microwave Communication
The antenna separations (in meters) required for optimum operation of a space diversity system can be calculated from:where R = effective earth radius (m) and L = path length (m)

S = 3λR/L
S = 2λR/L
S = λR/RL
S = λR/L

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MORE MCQ ON Microwave Communication

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