Microwave Communication In a pulsed radar set, the STC circuit is used to Increases receiver sensitivity for echoes from targets Reduce interference from the effects of sea return Vary the pulse frequency in order to control the maximum target Improve the target bearing resolution Increases receiver sensitivity for echoes from targets Reduce interference from the effects of sea return Vary the pulse frequency in order to control the maximum target Improve the target bearing resolution ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication When used in conjunction with a radar set, the purpose of an echo box is to provide an artificial target. Tune the magnetron to the correct frequency Which may be used to tune the radar synchronizer Which may be used to tune the radar receiver To the tone of the pulse repetition Tune the magnetron to the correct frequency Which may be used to tune the radar synchronizer Which may be used to tune the radar receiver To the tone of the pulse repetition ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A shipboard equipment which measures the distance between the ship’s bottom and the ocean floor. Echosounder SONAR LORAN Fathometer Echosounder SONAR LORAN Fathometer ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which causes multipath or frequency selective fading? Further reflector Large reflector Small reflector Nearer reflector Further reflector Large reflector Small reflector Nearer reflector ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication What is the purpose of the electromagnetic field which surrounds a traveling-wave tube? To accelerate the electron To velocity modulate the electron beam To keep the electrons from spreading out To slow down the signal on the helix To accelerate the electron To velocity modulate the electron beam To keep the electrons from spreading out To slow down the signal on the helix ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The aquadag coating on the inside of PPI tube is used To focus the beam of primary electrons As a second anode and to prevent the build-up of secondary field All of these To shield the electron beam from unidirectional magnetic To focus the beam of primary electrons As a second anode and to prevent the build-up of secondary field All of these To shield the electron beam from unidirectional magnetic ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS