Microwave Communication Which of the reception problems below that is not due to multipath? Random Doppler shift Delayed spreading Slow fading Rayleigh fading Random Doppler shift Delayed spreading Slow fading Rayleigh fading ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication To achieve good bearing resolution when using a pulsed-radar set, an important requirement is A narrow, antenna-beam width in the vertical plane A low repetition rate A narrow, antenna-beam width in the horizontal plane A high duty cycle A narrow, antenna-beam width in the vertical plane A low repetition rate A narrow, antenna-beam width in the horizontal plane A high duty cycle ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication What is the purpose of the electromagnetic field which surrounds a traveling-wave tube? To accelerate the electron To velocity modulate the electron beam To slow down the signal on the helix To keep the electrons from spreading out To accelerate the electron To velocity modulate the electron beam To slow down the signal on the helix To keep the electrons from spreading out ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The Gunn diode oscillator Depends on the formation of charge domain Generates frequencies which are below 100 MHz Operates over a positive resistance characteristic Is capable of generating continuous microwave power of the order of kilowatt Depends on the formation of charge domain Generates frequencies which are below 100 MHz Operates over a positive resistance characteristic Is capable of generating continuous microwave power of the order of kilowatt ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The resonant frequency of a cavity resonator depends upon The mode of operation Its electrical dimensions The capacitor which tunes it Its physical dimensions The mode of operation Its electrical dimensions The capacitor which tunes it Its physical dimensions ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication When it is desired that short-range targets be clearly seen on a pulsed-radar set, it is important that the receiver and display system have Low-pass filters The shortest possible time A long time constant The restricted high-frequency response Low-pass filters The shortest possible time A long time constant The restricted high-frequency response ANSWER DOWNLOAD EXAMIANS APP
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