Microwave Communication Calculate the effective earth’s radius if the surface refractivity is 301. 8493 mmi 6370 mi 6370 km 8493 km 8493 mmi 6370 mi 6370 km 8493 km ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which of the following is used as an oscillator device in the SHF band? Thyratron tube Both B and C Klystron tube Tunnel diode Thyratron tube Both B and C Klystron tube Tunnel diode ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication It is possible to increase the maximum range of a radar equipment by Raising the peak power of the transmitter Lowering the pulse frequency All of these Narrowing the beam width and increasing the pulse duration Raising the peak power of the transmitter Lowering the pulse frequency All of these Narrowing the beam width and increasing the pulse duration ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Rainfall is an important factor for fading of radio waves at frequencies above 10 GHz 100 GHz 100 MHz 1 GHz 10 GHz 100 GHz 100 MHz 1 GHz ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Coupling into and out of a traveling-wave tube can be accompanied by a All of these Direct coax-helix match Cavity match Waveguide match All of these Direct coax-helix match Cavity match Waveguide match ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication In an SHF pulsed radar set, a reflex klystron can be used as a Transmitter oscillator Local oscillator Duplexer stage Single mixer stage Transmitter oscillator Local oscillator Duplexer stage Single mixer stage ANSWER DOWNLOAD EXAMIANS APP
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