Microwave Communication A PPI cathode-ray tube as used on a radar set Is used for receiver alignment Indicates both the range and azimuth of a target Is used to check the percentage of modulation Indicates only the range of a target Is used for receiver alignment Indicates both the range and azimuth of a target Is used to check the percentage of modulation Indicates only the range of a target ANSWER DOWNLOAD EXAMIANS APP
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 The highest frequency which a conventional vacuum tube oscillator can generate is not limited by the Electron transit time Degree of emission from the cathode Inter-electrode capacitance Distributed lead inductance Electron transit time Degree of emission from the cathode Inter-electrode capacitance Distributed lead inductance ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication To achieve good bearing resolution when using a pulsed-radar set, an important requirement is 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 A low repetition rate ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which of the following permits a microwave signal to travel in one direction with virtually no loss, but severely attenuates any signal attempting to travel in the reverse direction? Circulator Wave trap Tunnel diode Isolator Circulator Wave trap Tunnel diode Isolator ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which of the reception problems below that is not due to multipath? Random Doppler shift Slow fading Delayed spreading Rayleigh fading Random Doppler shift Slow fading Delayed spreading Rayleigh fading ANSWER DOWNLOAD EXAMIANS APP