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Assignment Questions - 14189_194
Assignment Questions - 14189_196

Neets Module 17-Radio-Frequency Communications Principles
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19 ASSIGNMENT 3 Textbook assignment: Chapter 4, “Introduction to Satellite Communications,” pages 4-1 through 4-21. Chapter 5, “Introduction to Miscellaneous Systems and Equipment,” pages 5-1 through 5-20. ___________________________________________________________________________________ 3-1.   What artificial satellite is credited with starting the era of space technology? 1.  Vela 2.  Midas 3.  Score 4.  Sputnik 3-2.   There are two types of communications satellites.  What type acts as a repeater for the signal? 1.  Active 2.  Passive 3.  Reflecting 4.  Retransmitting 3-3.   Transmission of information to a satellite is done on what frequency? 1.  Up-link 2.  Down-link 3.  Transponder 4.  Termination 3-4.   An earth terminal receives signals on what frequency? 1.  Up-link 2.  Transmit 3.  Down-link 4.  Termination 3-5.   Of the following orbit parameters, which one describes the basic orbit shape of a communications satellite? 1.  Inclined or polar 2.  Polar or equatorial 3.  Elliptical or circular 4.  Synchronous or nonsynchronous 3-6.   When the period of an orbit is identical to that of the earth, the orbit is 1.  synchronous 2.  asynchronous 3.  subsynchronous 4.  near-synchronous 3-7.   What is the parameter in the orbit of a satellite that refers to the point nearest the center of the earth? 1.  Apogee 2.  Perigee 3.  Altitude 4.  Inclination 3-8.   As a reference, perigee and apogee are measured in which of the following units? 1.  Nautical miles 2.  Statute miles 3.  Light years 4.  Kilometers 3-9.   A satellite which has a flight path that does not coincide with the equatorial plane of the earth is said to be in what type if orbit? 1.  A circular 2.  An inclined 3.  An elliptical 4.  An equatorial






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