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ASSIGNMENT 1 - 12404_71
ASSIGNMENT 1-Cont. - 12404_73

Fire Controlman Volume 02-Fire Control Radar Fundamentals
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1-11. 1-12. 1-13. 1-14. 1-15. 1-16. Which of the following radars is used to provide security against attacks at night? 1.   3-Dradar 2.   Air-search   radar 3.   Fire-control   radar 4.   Surface-search   radar What radar provides continuous positional data? 1.  3-D  radar 2.  Tracking  radar 3.  Air-search  radar 4.  Fire-control  radar Fire-control radar operations include which of the following phases? 1.  Designation,  acquisition,  and  pulse 2.  Acquisition,  track,  and  pulse 3.  Track,  designation,  and  acquisition 4.  Pulse,  track,  and  acquisition Basic radar systems use which of the following types of energy transmissions? 1. 2. 3. 4. Pulse and continuous wave Pulse and frequency modulation Frequency modulation and continuous wave Continuous wave and amplitude modulation intermediate frequencies of 30 to 60 MHz are used with what type of radar system? 1.  Frequency-modulation  continuous  wave 2.  Basic  continuous  wave 3.  Pulse  Doppler 4.  Basic  pulse Which of the following radar systems can detect both stationary and moving targets? 1. 2. 3. 4. Basic pulse Pulse Doppler Basic continuous wave Frequency-modulation continuous wave 1-17. 1-18. 1-19. 1-20. 1-21. d The amount of Doppler shift is determined by which of the following factors pertaining to the target? 1.   Angle 2.  Height 3.  Radial  velocity 4.  Relative  angle Pulse-Doppler search radars primarily use which of the following methods to detect moving targets? 1.  Moving-target  indication 2.  Continuous  wave 3.  Doppler  shift 4.  Basic  pulse Most continuous-wave radars use a separate antenna to receive. 1.   True 2.  False The limitation of determining target range with CW radars can be overcome by using which of the following methods? 1.  Frequency  modulation 2.  Doppler  shift 3.  Angle  shift 4.  Pulse  shift What two basic scanning methods are used with today’s  radars? 1.  Mechanical  and  electronic 2.  Electronic  and  amplitude 3.  Frequency  and  mechanical 4. Microwave  and  amplitude 1-22. All of the following types of scanning are included in mechanical scanning except which one? 1.  Nutating  waveguide 2.  Angle  tracking 3.   Nutation 4.  Fixed 2






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