Microwave Communication When used in conjunction with a radar set, the purpose of an echo box is to provide an artificial target. 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 Tune the magnetron to the correct frequency ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The Gunn diode oscillator 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 Generates frequencies which are below 100 MHz Operates over a positive resistance characteristic Depends on the formation of charge domain ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication __________ is the progressive decrease of signal strength with increasing distance. Modulation Radiation Attenuation Propagation Modulation Radiation Attenuation Propagation 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. Fifth Sixth Third Fourth Fifth Sixth Third Fourth ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which of the following permits a microwave signal to travel in one direction with virtually no loss, but severely attenuates any signal attempting to travel in the reverse direction? Isolator Tunnel diode Circulator Wave trap Isolator Tunnel diode Circulator Wave trap ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A shipboard equipment which measures the distance between the ship’s bottom and the ocean floor. SONAR Echosounder Fathometer LORAN SONAR Echosounder Fathometer LORAN ANSWER DOWNLOAD EXAMIANS APP
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