Microwave Communication A high-power microwave pulse of the order of megawatts can be generated by a Gunn diode Reflex klystron Traveling-wave tube Magnetron Gunn diode Reflex klystron Traveling-wave tube Magnetron 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
Microwave Communication Klystron oscillators are most often used in the frequency range of 300 to 3000 MHz 3000 to 30000 MHz 10 to 10000 MHz 30 to 30000 MHz 300 to 3000 MHz 3000 to 30000 MHz 10 to 10000 MHz 30 to 30000 MHz ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which of the reception problems below that is not due to multipath? Rayleigh fading Slow fading Delayed spreading Random Doppler shift Rayleigh fading Slow fading Delayed spreading Random Doppler shift ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication In an SHF pulsed radar set, a reflex klystron can be used as a Duplexer stage Single mixer stage Transmitter oscillator Local oscillator Duplexer stage Single mixer stage Transmitter oscillator Local oscillator 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 Must be increased Must be doubled May be decreased Must remain as before Must be increased Must be doubled May be decreased Must remain as before ANSWER DOWNLOAD EXAMIANS APP