Microwave Communication A high-power microwave pulse of the order of megawatts can be generated by a Reflex klystron Gunn diode Magnetron Traveling-wave tube Reflex klystron Gunn diode Magnetron Traveling-wave tube ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which causes multipath or frequency selective fading? Large reflector Nearer reflector Further reflector Small reflector Large reflector Nearer reflector Further reflector Small reflector ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The coarse frequency adjustment of a reflex klystron is accomplished by The AFC system Varying the repeller voltage Adjusting the flexible wall of the resonant cavity An adjustment in the synchronizer The AFC system Varying the repeller voltage Adjusting the flexible wall of the resonant cavity An adjustment in the synchronizer ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which of the following is used as a high power microwave oscillator? Klystron Reflex-klystron Magnetron Thyratron Klystron Reflex-klystron Magnetron Thyratron ANSWER DOWNLOAD EXAMIANS APP
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 = λR/RL S = 2λR/L S = λR/L S = 3λR/L S = λR/RL S = 2λR/L S = λR/L S = 3λR/L ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication In microwave transmission using digital radio, what causes most intersymbol interference? Rayleigh fading Slow fading Delayed spreading Random Doppler shift Rayleigh fading Slow fading Delayed spreading Random Doppler shift ANSWER DOWNLOAD EXAMIANS APP
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