Microwave Communication At what position is the input signal inserted into a traveling-wave tube? At the cathode end of the helix At the control grid of the electron gun At the collector At the collector end of the helix At the cathode end of the helix At the control grid of the electron gun At the collector At the collector end of the helix ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication It is possible to increase the maximum range of a radar equipment by Lowering the pulse frequency All of these Raising the peak power of the transmitter Narrowing the beam width and increasing the pulse duration Lowering the pulse frequency All of these Raising the peak power of the transmitter Narrowing the beam width and increasing the pulse duration ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A Class-S Emergency Position-Indicating Radio Beacon (E.P.I.R.B) All of these Must have its battery replaced after emergency use May be tested during the first five minutes of any hour Must be capable of floating or being secured to a survival All of these Must have its battery replaced after emergency use May be tested during the first five minutes of any hour Must be capable of floating or being secured to a survival ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A PPI cathode-ray tube as used on a radar set Is used for receiver alignment Indicates both the range and azimuth of a target Is used to check the percentage of modulation Indicates only the range of a target Is used for receiver alignment Indicates both the range and azimuth of a target Is used to check the percentage of modulation Indicates only the range of a target ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication What do you call an attenuation that occurs over many different wavelengths of the carrier? Slow fading Rayleigh fading Rician fading Wavelength fading Slow fading Rayleigh fading Rician fading Wavelength fading ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication What allow microwave to pass in only one direction? RF emitter Varactor-triac Capacitor Ferrite emitter RF emitter Varactor-triac Capacitor Ferrite emitter ANSWER DOWNLOAD EXAMIANS APP
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