Microwave Communication When it is desired that short-range targets be clearly seen on a pulsed-radar set, it is important that the receiver and display system have Low-pass filters The restricted high-frequency response The shortest possible time A long time constant Low-pass filters The restricted high-frequency response The shortest possible time A long time constant ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication If the duration of the radar transmitted pulse, on a particular range of operation, is increased, the required bandwidth of the receiver’s IF amplifiers May be decreased Must be increased Must remain as before Must be doubled May be decreased Must be increased Must remain as before Must be doubled ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A Class-S Emergency Position-Indicating Radio Beacon (E.P.I.R.B) All of these Must be capable of floating or being secured to a survival May be tested during the first five minutes of any hour Must have its battery replaced after emergency use All of these Must be capable of floating or being secured to a survival May be tested during the first five minutes of any hour Must have its battery replaced after emergency use ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication If k-factor is greater than 1, the array beam is bent Towards the earth Towards the outer space Away from the earth Towards the ionosphere, Towards the earth Towards the outer space Away from the earth Towards the ionosphere, ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication What allow microwave to pass in only one direction? Capacitor Varactor-triac RF emitter Ferrite emitter Capacitor Varactor-triac RF emitter Ferrite emitter ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication It is possible to increase the maximum range of a radar equipment by Narrowing the beam width and increasing the pulse duration Raising the peak power of the transmitter All of these Lowering the pulse frequency Narrowing the beam width and increasing the pulse duration Raising the peak power of the transmitter All of these Lowering the pulse frequency ANSWER DOWNLOAD EXAMIANS APP
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