Microwave Communication The antenna separations (in meters) required for optimum operation of a space diversity system can be calculated from:where R = effective earth radius (m) and L = path length (m) S = λR/RL S = λR/L S = 3λR/L S = 2λR/L S = λR/RL S = λR/L S = 3λR/L S = 2λR/L ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Rainfall is an important factor for fading of radio waves at frequencies above 100 MHz 10 GHz 100 GHz 1 GHz 100 MHz 10 GHz 100 GHz 1 GHz ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication If k-factor is greater than 1, the array beam is bent Towards the outer space Away from the earth Towards the earth Towards the ionosphere, Towards the outer space Away from the earth Towards the earth Towards the ionosphere, ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Klystron oscillators are most often used in the frequency range of 3000 to 30000 MHz 30 to 30000 MHz 10 to 10000 MHz 300 to 3000 MHz 3000 to 30000 MHz 30 to 30000 MHz 10 to 10000 MHz 300 to 3000 MHz ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication It is possible to increase the maximum range of a radar equipment by 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 Raising the peak power of the transmitter Lowering the pulse frequency ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Theoretically electromagnetic radiation field strength varies in inverse proportion to the square of the distance, but when atmospheric attenuation effects and the absorption of the terrain are taken into account the attenuation can be as high as the inverse ___________ power of the distance. Fifth Sixth Third Fourth Fifth Sixth Third Fourth ANSWER DOWNLOAD EXAMIANS APP
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