Microwave Communication In an SHF pulsed radar set, a reflex klystron can be used as a Local oscillator Duplexer stage Single mixer stage Transmitter oscillator Local oscillator Duplexer stage Single mixer stage Transmitter oscillator ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The resonant frequency of a cavity resonator depends upon Its physical dimensions The mode of operation The capacitor which tunes it Its electrical dimensions Its physical dimensions The mode of operation The capacitor which tunes it Its electrical dimensions 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 decrease in range No noticeable effect 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 ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Rainfall is an important factor for fading of radio waves at frequencies above 10 GHz 100 GHz 1 GHz 100 MHz 10 GHz 100 GHz 1 GHz 100 MHz ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The Gunn diode oscillator Operates over a positive resistance characteristic Generates frequencies which are below 100 MHz Depends on the formation of charge domain Is capable of generating continuous microwave power of the order of kilowatt Operates over a positive resistance characteristic Generates frequencies which are below 100 MHz Depends on the formation of charge domain Is capable of generating continuous microwave power of the order of kilowatt ANSWER DOWNLOAD EXAMIANS APP
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 Raising the peak power of the transmitter All of these Narrowing the beam width and increasing the pulse duration Lowering the pulse frequency Raising the peak power of the transmitter All of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS