Microwave Communication Which causes multipath or frequency selective fading? Further reflector Large reflector Small reflector Nearer reflector Further reflector Large reflector Small reflector Nearer reflector ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A traveling-wave tube (TWT) amplifies by virtue of The absorption of energy by the signal from an electron stream The energy liberated form the collector The effect of an external magnetic field The energy contained the cavity resonators The absorption of energy by the signal from an electron stream The energy liberated form the collector The effect of an external magnetic field The energy contained the cavity resonators ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication If the instantaneous RF potentials on the two sides of a magnetron cavity are of opposite polarity, the operation is in the 2π mode π/2 mode π mode π/4 mode 2π mode π/2 mode π mode π/4 mode ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Klystron oscillators are most often used in the frequency range of 10 to 10000 MHz 3000 to 30000 MHz 300 to 3000 MHz 30 to 30000 MHz 10 to 10000 MHz 3000 to 30000 MHz 300 to 3000 MHz 30 to 30000 MHz 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 receiver Which may be used to tune the radar synchronizer Tune the magnetron to the correct frequency To the tone of the pulse repetition Which may be used to tune the radar receiver Which may be used to tune the radar synchronizer Tune the magnetron to the correct frequency To the tone of the pulse repetition 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 No noticeable effect A decrease in range A decrease in gain A reduction in horizontal resolution No noticeable effect A decrease in range A decrease in gain ANSWER DOWNLOAD EXAMIANS APP
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