Microwave Communication The main frequency determining element of a klystron is Its resonant cavity Its mode of operation The accelerating voltage The repeller voltage Its resonant cavity Its mode of operation The accelerating voltage The repeller voltage 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. Sixth Third Fifth Fourth Sixth Third Fifth Fourth ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication What do you call an attenuation that occurs over many different wavelengths of the carrier? Rician fading Rayleigh fading Wavelength fading Slow fading Rician fading Rayleigh fading Wavelength fading Slow fading ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Klystron oscillators are most often used in the frequency range of 10 to 10000 MHz 300 to 3000 MHz 3000 to 30000 MHz 30 to 30000 MHz 10 to 10000 MHz 300 to 3000 MHz 3000 to 30000 MHz 30 to 30000 MHz 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 doubled Must be increased Must remain as before May be decreased Must be doubled Must be increased Must remain as before ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A PPI cathode-ray tube as used on a radar set Is used to check the percentage of modulation Indicates both the range and azimuth of a target Is used for receiver alignment Indicates only the range of a target Is used to check the percentage of modulation Indicates both the range and azimuth of a target Is used for receiver alignment Indicates only the range of a target ANSWER DOWNLOAD EXAMIANS APP
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