Microwave Communication __________ is the progressive decrease of signal strength with increasing distance. Attenuation Modulation Radiation Propagation Attenuation Modulation Radiation Propagation ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The frequency of the oscillation generated by a magnetron, is mainly determined by The number of the cavity resonators The dimension of each cavity resonator The flux density of the external magnet The ratio of the dc cathode voltage to the magnetic flux density The number of the cavity resonators The dimension of each cavity resonator The flux density of the external magnet The ratio of the dc cathode voltage to the magnetic flux density ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication What do you call an attenuation that occurs over many different wavelengths of the carrier? Wavelength fading Slow fading Rayleigh fading Rician fading Wavelength fading Slow fading Rayleigh fading Rician fading ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The cavity resonator Is equivalent to an LC resonant circuit In a reflect klystron has its output taken from the reflector plate Has a low Q factor for narrow operation. Produces a frequency which is independent of the cavity size. Is equivalent to an LC resonant circuit In a reflect klystron has its output taken from the reflector plate Has a low Q factor for narrow operation. Produces a frequency which is independent of the cavity size. ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The maximum usable range of the usual radar set (on any particular range setting) is determined by The interval between transmitted pulses The width of the transmitted pulses The bandwidth of the receiver IF stages The duty cycle The interval between transmitted pulses The width of the transmitted pulses The bandwidth of the receiver IF stages The duty cycle ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which of the following is used as an oscillator device in the SHF band? Both B and C Tunnel diode Klystron tube Thyratron tube Both B and C Tunnel diode Klystron tube Thyratron tube ANSWER DOWNLOAD EXAMIANS APP