Microwave Communication What allow microwave to pass in only one direction? Capacitor Ferrite emitter Varactor-triac RF emitter Capacitor Ferrite emitter Varactor-triac RF emitter ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication __________ is the progressive decrease of signal strength with increasing distance. Radiation Propagation Attenuation Modulation Radiation Propagation Attenuation Modulation ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which of the following permits a microwave signal to travel in one direction with virtually no loss, but severely attenuates any signal attempting to travel in the reverse direction? Tunnel diode Isolator Wave trap Circulator Tunnel diode Isolator Wave trap Circulator ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which of the following operating frequencies is used for the modern loran navigational system? Loran B: 900 kHz Loran A: 1950 kHz Loran D: 10.2 kHz Loran C: 100 kHz Loran B: 900 kHz Loran A: 1950 kHz Loran D: 10.2 kHz Loran C: 100 kHz 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 slow down the signal on the helix To velocity modulate the electron beam To accelerate the electron To keep the electrons from spreading out To slow down the signal on the helix To velocity modulate the electron beam To accelerate the electron ANSWER DOWNLOAD EXAMIANS APP
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
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