Microwave Communication It is possible to increase the maximum range of a radar equipment by Lowering the pulse frequency All of these Narrowing the beam width and increasing the pulse duration Raising the peak power of the transmitter Lowering the pulse frequency All of these Narrowing the beam width and increasing the pulse duration Raising the peak power of the transmitter ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A reflex klystron is oscillating at the frequency of its resonant cavity. If the reflector voltage is made slightly less negative, the The frequency will decrease Oscillation will cease Bunching would occur earlier in time Output power would increase The frequency will decrease Oscillation will cease Bunching would occur earlier in time Output power would increase ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The frequency of the oscillation generated by a magnetron, is mainly determined by The number of the cavity resonators The ratio of the dc cathode voltage to the magnetic flux density The dimension of each cavity resonator The flux density of the external magnet The number of the cavity resonators The ratio of the dc cathode voltage to the magnetic flux density The dimension of each cavity resonator The flux density of the external magnet ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which of the following is used as a high power microwave oscillator? Klystron Thyratron Reflex-klystron Magnetron Klystron Thyratron Reflex-klystron Magnetron ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which causes multipath or frequency selective fading? Small reflector Further reflector Nearer reflector Large reflector Small reflector Further reflector Nearer reflector Large reflector 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 π/2 mode 2π mode π/4 mode π mode π/2 mode 2π mode π/4 mode π mode ANSWER DOWNLOAD EXAMIANS APP
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