Microwave Communication Which of the reception problems below that is not due to multipath? Slow fading Delayed spreading Random Doppler shift Rayleigh fading Slow fading Delayed spreading Random Doppler shift Rayleigh fading ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Coupling into and out of a traveling-wave tube can be accompanied by a Waveguide match Cavity match All of these Direct coax-helix match Waveguide match Cavity match All of these Direct coax-helix match ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Microwave frequencies are normally regarded as those in the range of 1 to 100 GHz 10 to 1000 GHz 1000 to 10,000 GHz 1 to 500 MHz 1 to 100 GHz 10 to 1000 GHz 1000 to 10,000 GHz 1 to 500 MHz ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication If k-factor is greater than 1, the array beam is bent Towards the outer space Away from the earth Towards the earth Towards the ionosphere, Towards the outer space Away from the earth Towards the earth Towards the ionosphere, ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The cavity resonator Produces a frequency which is independent of the cavity size. In a reflect klystron has its output taken from the reflector plate Is equivalent to an LC resonant circuit Has a low Q factor for narrow operation. Produces a frequency which is independent of the cavity size. In a reflect klystron has its output taken from the reflector plate Is equivalent to an LC resonant circuit Has a low Q factor for narrow operation. ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication What is the purpose of the electromagnetic field which surrounds a traveling-wave tube? To keep the electrons from spreading out To accelerate the electron To slow down the signal on the helix To velocity modulate the electron beam To keep the electrons from spreading out To accelerate the electron To slow down the signal on the helix To velocity modulate the electron beam ANSWER DOWNLOAD EXAMIANS APP
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