Microwave Communication A PPI cathode-ray tube as used on a radar set 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 Is used for receiver alignment Is used to check the percentage of modulation Indicates only the range of a target ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The Gunn diode oscillator Generates frequencies which are below 100 MHz Is capable of generating continuous microwave power of the order of kilowatt Depends on the formation of charge domain Operates over a positive resistance characteristic Generates frequencies which are below 100 MHz Is capable of generating continuous microwave power of the order of kilowatt Depends on the formation of charge domain Operates over a positive resistance characteristic ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication What is the purpose of the electromagnetic field which surrounds a traveling-wave tube? To keep the electrons from spreading out To velocity modulate the electron beam To accelerate the electron To slow down the signal on the helix To keep the electrons from spreading out To velocity modulate the electron beam To accelerate the electron To slow down the signal on the helix ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The maximum usable range of the usual radar set (on any particular range setting) is determined by The bandwidth of the receiver IF stages The interval between transmitted pulses The duty cycle The width of the transmitted pulses The bandwidth of the receiver IF stages The interval between transmitted pulses The duty cycle The width of the transmitted pulses ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The frequency of the oscillation generated by a magnetron, is mainly determined by The dimension of each cavity resonator The ratio of the dc cathode voltage to the magnetic flux density The flux density of the external magnet The number of the cavity resonators The dimension of each cavity resonator The ratio of the dc cathode voltage to the magnetic flux density The flux density of the external magnet The number of the cavity resonators ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication In a pulsed radar set, the function of the duplexer is to Allow the transmitter and the receiver to operate from a common antenna All of these Aid in calibrating the display unit Prevent frequency drift in the klystron Allow the transmitter and the receiver to operate from a common antenna All of these Aid in calibrating the display unit Prevent frequency drift in the klystron ANSWER DOWNLOAD EXAMIANS APP
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