Microwave Communication Which of the following is used as a high power microwave oscillator? Thyratron Klystron Magnetron Reflex-klystron Thyratron Klystron 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 Indicates only the range of a target Is used for receiver alignment Indicates both the range and azimuth of a target Is used to check the percentage of modulation Indicates only the range of a target Is used for receiver alignment Indicates both the range and azimuth of a target ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Calculate the effective earth’s radius if the surface refractivity is 301. 6370 mi 8493 mmi 8493 km 6370 km 6370 mi 8493 mmi 8493 km 6370 km ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication When used in conjunction with a radar set, the purpose of an echo box is to provide an artificial target. Which may be used to tune the radar synchronizer To the tone of the pulse repetition Which may be used to tune the radar receiver Tune the magnetron to the correct frequency Which may be used to tune the radar synchronizer To the tone of the pulse repetition Which may be used to tune the radar receiver Tune the magnetron to the correct frequency 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. Fifth Fourth Sixth Third Fifth Fourth Sixth Third ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A thin layer of dirt and grime coverts the reflecting surface of the parabolic dish of a radar set. The particular effect on the performance of the radar will be A reduction in horizontal resolution A decrease in gain A decrease in range No noticeable effect A reduction in horizontal resolution A decrease in gain A decrease in range No noticeable effect ANSWER DOWNLOAD EXAMIANS APP
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