Microwave Communication It is possible to increase the maximum range of a radar equipment by Narrowing the beam width and increasing the pulse duration Lowering the pulse frequency All of these Raising the peak power of the transmitter Narrowing the beam width and increasing the pulse duration Lowering the pulse frequency All of these Raising the peak power of the transmitter ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication In microwave transmission using digital radio, what causes most intersymbol interference? Rayleigh fading Delayed spreading Slow fading Random Doppler shift Rayleigh fading Delayed spreading Slow fading Random Doppler shift ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which of the following is used as a high power microwave oscillator? Klystron Thyratron Magnetron Reflex-klystron Klystron Thyratron Magnetron Reflex-klystron ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A PPI cathode-ray tube as used on a radar set Is used to check the percentage of modulation Is used for receiver alignment Indicates both the range and azimuth of a target Indicates only the range of a target Is used to check the percentage of modulation Is used for receiver alignment Indicates both the range and azimuth of a target Indicates only the range of a target ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication __________ is the progressive decrease of signal strength with increasing distance. Propagation Modulation Attenuation Radiation Propagation Modulation Attenuation Radiation ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Theoretically electromagnetic radiation field strength varies in inverse proportion to the square of the distance, but when atmospheric attenuation effects and the absorption of the terrain are taken into account the attenuation can be as high as the inverse ___________ power of the distance. Third Fourth Fifth Sixth Third Fourth Fifth Sixth ANSWER DOWNLOAD EXAMIANS APP
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