Microwave Communication Which of the reception problems below that is not due to multipath? Slow fading Random Doppler shift Delayed spreading Rayleigh fading Slow fading Random Doppler shift Delayed spreading Rayleigh fading ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication In an SHF pulsed radar set, a reflex klystron can be used as a Duplexer stage Local oscillator Transmitter oscillator Single mixer stage Duplexer stage Local oscillator Transmitter oscillator Single mixer stage 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 Oscillators of a klystron tube are maintained By plate-to-cathode feedback By bunches of electrons passing the cavity grids By circulating bunches of electrons within the cavities. By feedback between the accelerating grid and the repeller By plate-to-cathode feedback By bunches of electrons passing the cavity grids By circulating bunches of electrons within the cavities. By feedback between the accelerating grid and the repeller ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The resonant frequency of a cavity resonator depends upon The capacitor which tunes it Its physical dimensions The mode of operation Its electrical dimensions The capacitor which tunes it Its physical dimensions The mode of operation Its electrical dimensions ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication It is possible to increase the maximum range of a radar equipment by Lowering the pulse frequency Narrowing the beam width and increasing the pulse duration Raising the peak power of the transmitter All of these Lowering the pulse frequency Narrowing the beam width and increasing the pulse duration Raising the peak power of the transmitter All of these ANSWER DOWNLOAD EXAMIANS APP
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