Microwave Communication Microwave frequencies are normally regarded as those in the range of 1 to 500 MHz 10 to 1000 GHz 1000 to 10,000 GHz 1 to 100 GHz 1 to 500 MHz 10 to 1000 GHz 1000 to 10,000 GHz 1 to 100 GHz ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A thin layer of dirt and grime coverts the reflecting surface of the parabolic dish of a radar set. The particular effect on the performance of the radar will be A reduction in horizontal resolution No noticeable effect A decrease in gain A decrease in range A reduction in horizontal resolution No noticeable effect A decrease in gain A decrease in range 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 100 watts 1,000,000 watts 10,000 watts 1,000 watts 100 watts 1,000,000 watts 10,000 watts 1,000 watts ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The aquadag coating on the inside of PPI tube is used To shield the electron beam from unidirectional magnetic All of these To focus the beam of primary electrons As a second anode and to prevent the build-up of secondary field To shield the electron beam from unidirectional magnetic All of these To focus the beam of primary electrons As a second anode and to prevent the build-up of secondary field ANSWER DOWNLOAD EXAMIANS APP
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 To achieve good bearing resolution when using a pulsed-radar set, an important requirement is A low repetition rate A narrow, antenna-beam width in the vertical plane A high duty cycle A narrow, antenna-beam width in the horizontal plane A low repetition rate A narrow, antenna-beam width in the vertical plane A high duty cycle A narrow, antenna-beam width in the horizontal plane ANSWER DOWNLOAD EXAMIANS APP
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