Microwave Communication If k-factor is greater than 1, the array beam is bent Towards the outer space Towards the ionosphere, Away from the earth Towards the earth Towards the outer space Towards the ionosphere, Away from the earth Towards the earth ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A shipboard equipment which measures the distance between the ship’s bottom and the ocean floor. Echosounder Fathometer LORAN SONAR Echosounder Fathometer LORAN SONAR ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication What is the purpose of the electromagnetic field which surrounds a traveling-wave tube? To slow down the signal on the helix To velocity modulate the electron beam To accelerate the electron To keep the electrons from spreading out To slow down the signal on the helix To velocity modulate the electron beam To accelerate the electron To keep the electrons from spreading out ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication If the instantaneous RF potentials on the two sides of a magnetron cavity are of opposite polarity, the operation is in the π mode π/2 mode π/4 mode 2π mode π mode π/2 mode π/4 mode 2π mode ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A magnetron is operated at a duty cycle of 0.001. It has a peak power output of 100 kilo-watts. Its average power is 1,000,000 watts 1,000 watts 100 watts 10,000 watts 1,000,000 watts 1,000 watts 100 watts 10,000 watts ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A high-power microwave pulse of the order of megawatts can be generated by a Traveling-wave tube Magnetron Reflex klystron Gunn diode Traveling-wave tube Magnetron Reflex klystron Gunn diode ANSWER DOWNLOAD EXAMIANS APP
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