Introduction To Radar » Exercise – 1
20. Radar Ku band is :
(a) 8 GHz – 12 GHz
(b) 12 GHz – 18 GHz
(c) 1 GHz – 2 GHz
(d) 4 GHz – 8 GHzSubject Name : Communication Engineering Exam Name : IIT GATE, UPSC ESE, RRB, SSC, DMRC, NMRC, BSNL, DRDO, ISRO, BARC, NIELIT Posts Name : Assistant Engineer, Management Trainee, Junior Engineer, Technical Assistant Electronics & Communication Engineering Books
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Introduction To Radar » Exercise - 112. Radar S-band is : (a) 4 GHz – 8 GHz (b) 2 GHz – 4 GHz (c) 8 GHz – 12 GHz (d) 12 GHz - 18 GHz- Introduction To Radar » Exercise - 1 1. Radar is : (a) a senor (b) a transducer (c) an amplifier (d) a filter 2. Radar X-band is : (a) 8 GHz - 12 GHz (b) 4 GHz - 8 GHz (c) 2 GHz - 4 GHz (d) 1 GHz – 2 GHz 3. Duplexer is : (a) an oscillator (b) a microwave switch (c) an amplifier (d) an active device 4. ECM means : (a) electronic commutative mechanism (b) jamming (c) electronic communication method (d) electronic communication meeting 5. Three dimensional radars determine : (a) altitude, range and bearing (b) range, bearing and elevation (c) elevation, altitude and range (d) elevation, azimuth and range 6. Radar resolution has the unit of : (a) meter (b) seconds (c) degrees (d) meter/second 7. VHF radar operates at a wavelength of : (a) 10 m 1 m (b) 1 m 30 m (c) 1 m 10 m (d) 3 cm 8. Radar is used for : (a) ground mapping only (b) airport surveillance only (c) weather forecast only (d) ground mapping, airport surveillance and weather forecast 9. 40 GHz 300 GHz band is used in : (a) satellites (b) radar experiments (c) police radios (d) televisions 10. Pulse repetition interval is :…
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- Introduction To Radar » Exercise - 19. 40 GHz 300 GHz band is used in : (a) satellites (b) radar experiments (c) police radios (d) televisions