EC SATELLITE COMMUNICATION FINAL YEAR ECE 8TH SEMESTER QUESTION BANK Write short notes on attitude control system. 3. What is. Subject code: EC Subject Name: Satellite Communication Type of Study Materials: Lecture Notes Download Link => LP – EC LP Rev. No: Date: Page 01 of Sub Code &Name: EC SATELLITE COMMUNICATION. Unit: I Branch: EC Semester: VIII.

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Define and explain the terms carrier recovery, bit-time recovery, traffic data, frame efficiency and channel capacity. Satellite Communications full notes, pdf, e-book thanks but i think thier must be a specific page for mdu.

Orbit Satellites move in a path around the Earth called an orbit. What ec20445 an OMT? Help Center Find new research papers in: What is processing gain? Write about CATV system. Describe briefly about the rains effects. Write short notes on attitude control system. Explain what is meant by satellite attitude and briefly describe two forms of attitude Control.

The occurrence and duration of the sun transit outage depends on The latitude of the earth station Receiver location Location of ec particular satellite Size, or more specifically the beam width of the antenna The apparent radius of the Sun as seen from the earth about 0.


Madam this presentation is very useful and really good. There will be east and west limits on the geostationary arc visible from any given earth ec satellite communication notes. The other disadvantage is that these satellites have trouble monitoring activities near the poles.


Satellite Communications full notes, pdf, e-book I m doing extc engg from mu. These ec satellite communication notes important notes because important topics included about satellite and communication.

Total service from a single provider 9. A satellite downlink at 12 GHz operates with a transmit power of 6 W and an antenna gain of Types of notrs R. Counteracting jets must be placed when the inclination is at zero to halt communicatoon change in inclination.

EC2045 Satellite Communication Lecture Notes

That’s why her website is named as www. What is an TDMA? After a couple of orbits, during which the orbital parameters are measured, the final stage is reignited and the spacecraft is launched into a geostationary transfer orbit GTO. Nltes are the geostationary satellites? Write the equations of losses for clear sky conditions.

Station keeping Even with a very good launch the satellite can drift some what from its orbit.

Lecture notes Satellite communication systems

Causes of eclipse During full eclipse, satellite receives no power from solar array and relays only on batteries.

Some examples are weather satellites and communications satellites. Spring equinox ex2045 the first day of spring Autumnal equinox is the first day of communicaion Eclipse being 23 days before equinox and end 23 days after equinox.


Explain in detail about antenna look angles and the polar mount antenna. Explain in detail about speech interpolation and prediction. Write short notes on station keeping. Apogee and Perigee Heights Although not specified as orbital elements, the apogee height and perigee height are often required, the length of the radius vectors at apogee and perigee can be obtained from the geometry of the ellipse: What is meant by direct closed loop feedback?

Explain in detail the operation of the spade system of demand assignment. Describe the main features and services offered by the orbcomm satellite system.

Reduction ec satellite communication notes primary power reduces satellite life During eclipse it is necessary to shut down some transponders, and results in reduction of satellite performance. Explain in detail about topocentric-horizon coordinate system which is based on the. Three conditions are required for an orbit to be geostationary: