Microwave Communication In an SHF pulsed radar set, a reflex klystron can be used as a Single mixer stage Duplexer stage Local oscillator Transmitter oscillator Single mixer stage Duplexer stage Local oscillator Transmitter oscillator ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication __________ is the progressive decrease of signal strength with increasing distance. Attenuation Radiation Propagation Modulation Attenuation Radiation Propagation Modulation ANSWER DOWNLOAD EXAMIANS APP
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 = 3λR/L S = λR/RL S = 2λR/L S = λR/L S = 3λR/L S = λR/RL S = 2λR/L S = λR/L ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A shipboard equipment which measures the distance between the ship’s bottom and the ocean floor. LORAN Echosounder Fathometer SONAR LORAN Echosounder Fathometer SONAR ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Calculate the effective earth’s radius if the surface refractivity is 301. 6370 mi 8493 mmi 8493 km 6370 km 6370 mi 8493 mmi 8493 km 6370 km ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A Class-S Emergency Position-Indicating Radio Beacon (E.P.I.R.B) Must be capable of floating or being secured to a survival May be tested during the first five minutes of any hour All of these Must have its battery replaced after emergency use Must be capable of floating or being secured to a survival May be tested during the first five minutes of any hour All of these Must have its battery replaced after emergency use ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS