Microwave Communication In microwave transmission using digital radio, what causes most intersymbol interference? Rayleigh fading Delayed spreading Slow fading Random Doppler shift Rayleigh fading Delayed spreading Slow fading Random Doppler shift ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The maximum usable range of the usual radar set (on any particular range setting) is determined by The width of the transmitted pulses The duty cycle The interval between transmitted pulses The bandwidth of the receiver IF stages The width of the transmitted pulses The duty cycle The interval between transmitted pulses The bandwidth of the receiver IF stages ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Calculate the effective earth’s radius if the surface refractivity is 301. 8493 km 6370 mi 6370 km 8493 mmi 8493 km 6370 mi 6370 km 8493 mmi ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which of the following is used as a high power microwave oscillator? Klystron Reflex-klystron Thyratron Magnetron Klystron Reflex-klystron Thyratron Magnetron ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The frequency of the oscillation generated by a magnetron, is mainly determined by The flux density of the external magnet The dimension of each cavity resonator The number of the cavity resonators The ratio of the dc cathode voltage to the magnetic flux density The flux density of the external magnet The dimension of each cavity resonator The number of the cavity resonators The ratio of the dc cathode voltage to the magnetic flux density ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The Gunn diode oscillator Generates frequencies which are below 100 MHz Operates over a positive resistance characteristic Depends on the formation of charge domain Is capable of generating continuous microwave power of the order of kilowatt Generates frequencies which are below 100 MHz Operates over a positive resistance characteristic Depends on the formation of charge domain Is capable of generating continuous microwave power of the order of kilowatt ANSWER DOWNLOAD EXAMIANS APP