64237-mt----global Tracking Position System

NR

Code No: 64237/MT

M.Tech. – II Semester Regular Examinations, September, 2008 GLOBAL TRACKING POSITION SYSTEM (Communication Systems) Time: 3hours

Max. Marks:60 Answer any FIVE questions All questions carry equal marks ---

1.a) b)

Describe GPS receiver architecture in detail. Explain principles of differential GPS.

2.a)

Discuss about methods of navigation information extraction from GPS signals. Describe GPS data errors in detail.

b) 3.

Explain the following: (a) Aircraft landing systems with reference to GPS application (b) GPS in military and space application.

4.

Discuss in detail about GLONASIS system, its technical specifications and orbital characteristics. Identify its significant features., and Components of GLONASIS.

5.

Explain about INS integration architecture with GPS. Identify various components of architecture. Give an example along with description of a working system.

6.

Explain GPS signal components and its technology related to data acquisition and tracking. Describe properties and power levels.

7.

Explain the following: (a) GPS satellite position calculation (b) GPS and GIS.

8.

Describe in detail the following: (a) Space segment and GPS (b) GEO downlink systems (c) Geo orbit determination (d) Galileo system. ******