Microwave Communication Coupling into and out of a traveling-wave tube can be accompanied by a Waveguide match Direct coax-helix match All of these Cavity match Waveguide match Direct coax-helix match All of these Cavity match ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication When it is desired that short-range targets be clearly seen on a pulsed-radar set, it is important that the receiver and display system have The shortest possible time Low-pass filters The restricted high-frequency response A long time constant The shortest possible time Low-pass filters The restricted high-frequency response A long time constant ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The antenna separations (in meters) required for optimum operation of a space diversity system can be calculated from:where R = effective earth radius (m) and L = path length (m) S = λR/L S = 2λR/L S = λR/RL S = 3λR/L S = λR/L S = 2λR/L S = λR/RL S = 3λR/L ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The aquadag coating on the inside of PPI tube is used All of these To shield the electron beam from unidirectional magnetic As a second anode and to prevent the build-up of secondary field To focus the beam of primary electrons All of these To shield the electron beam from unidirectional magnetic As a second anode and to prevent the build-up of secondary field To focus the beam of primary electrons ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication What allow microwave to pass in only one direction? Varactor-triac RF emitter Capacitor Ferrite emitter Varactor-triac RF emitter Capacitor Ferrite emitter ANSWER DOWNLOAD EXAMIANS APP
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