Microwave Communication A PPI cathode-ray tube as used on a radar set Is used for receiver alignment Is used to check the percentage of modulation Indicates only the range of a target Indicates both the range and azimuth of a target Is used for receiver alignment Is used to check the percentage of modulation Indicates only the range of a target Indicates both the range and azimuth of a target ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication At what position is the input signal inserted into a traveling-wave tube? At the collector end of the helix At the collector At the control grid of the electron gun At the cathode end of the helix At the collector end of the helix At the collector At the control grid of the electron gun At the cathode end of the helix 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 slow down the signal on the helix To velocity modulate the electron beam To keep the electrons from spreading out To accelerate the electron To slow down the signal on the helix To velocity modulate the electron beam To keep the electrons from spreading out 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 Which of the following is used as a high power microwave oscillator? Reflex-klystron Klystron Magnetron Thyratron Reflex-klystron Klystron Magnetron Thyratron ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Rainfall is an important factor for fading of radio waves at frequencies above 100 MHz 1 GHz 100 GHz 10 GHz 100 MHz 1 GHz 100 GHz 10 GHz ANSWER DOWNLOAD EXAMIANS APP
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