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 Calculate the effective earth’s radius if the surface refractivity is 301. 6370 mi 8493 km 6370 km 8493 mmi 6370 mi 8493 km 6370 km 8493 mmi ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The maximum usable range of the usual radar set (on any particular range setting) is determined by The bandwidth of the receiver IF stages The duty cycle The interval between transmitted pulses The width of the transmitted pulses The bandwidth of the receiver IF stages The duty cycle The interval between transmitted pulses The width of the transmitted pulses ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The highest frequency which a conventional vacuum tube oscillator can generate is not limited by the Distributed lead inductance Electron transit time Inter-electrode capacitance Degree of emission from the cathode Distributed lead inductance Electron transit time Inter-electrode capacitance Degree of emission from the cathode ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication __________ is the progressive decrease of signal strength with increasing distance. Propagation Modulation Radiation Attenuation Propagation Modulation Radiation Attenuation ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Theoretically electromagnetic radiation field strength varies in inverse proportion to the square of the distance, but when atmospheric attenuation effects and the absorption of the terrain are taken into account the attenuation can be as high as the inverse ___________ power of the distance. Third Sixth Fifth Fourth Third Sixth Fifth Fourth ANSWER DOWNLOAD EXAMIANS APP
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