EC SATELLITE COMMUNICATION. SCE. 2. Dept of ECE. Kepler’s laws : Take notes that describe what you are saving in the receiver. Ec Satellite Communication – Download as Word Doc .doc /.docx), PDF File .pdf), Text File .txt) or read online. Ec Satellite Communication – Download as PDF File .pdf), Text File .txt) or read online. Satellite Communication. Write short notes on station keeping.

Author: Sarisar Daik
Country: Djibouti
Language: English (Spanish)
Genre: Software
Published (Last): 12 June 2013
Pages: 76
PDF File Size: 10.80 Mb
ePub File Size: 1.45 Mb
ISBN: 336-8-37045-880-9
Downloads: 29754
Price: Free* [*Free Regsitration Required]
Uploader: Yokazahn

EC Satellite Communication AM Question Paper | Knowledge Adda

In this way the elliptic orbit or transfer orbit is tangent to both the original orbit A and the final orbit C. Vernal equinox occurs when the sun crosses the equator nofes from south to north.

An imaginary line drawn from the center of the sun to the center of the planet will sweep out equal areas in equal intervals commuincation time. Ec2045 satellite communication notes allocations for satellite services: You may also like: These are sides ec2045 satellite communication notes all arcs of great circles, and these sides are defined by the angles subtended by them at the center of the earth. Geometry in determining look angles R.

Describe the operation of typical VSAT system. Low cost per added site 7.


Login to Your Account. Wide range of applications R. Newton’s Law of Motion: Satellite Communications full notes, pdf, e-book cmomunication 4 page but need more inf.

Advantages of satellite communications 1.

EC Satellite Communication Lecture Notes – Edition

So, all the signal transferring is happening in space. The line joining the ascending and descending nodes through the center of the earth. The latitude and longitude of the sub-satellite point and height of the satellite above the sub-satellite point can be determined from the radius vector r.

With the aid of a block schematic, briefly describe the functioning of the receive. Sub satellite point The point ec2045 satellite communication notes satelite earth vertically under the satellite is referred to as sub satellite point.

Once angle S is known, angle b is found from From equation, Once angle B is found, satellite ec2045 satellite communication notes can be determined from. The inclination of the orbit must be zero.

Just ec2045 satellite communication notes the link. These maneuvers are termed east-west station keeping maneuvers. This causes a gravity gradient on GEO satellite and makes them drift to one of the two stable points which coincide with minor axis of the equatorial ellipse.

EC2045 Satellite Communication Important Questions April May 2016 – ECE 8th Semester

As the orbit itself is moving with respect to the Earth, the resultant changes are communicatio in the values of argument of perigee and right ec2045 satellite communication notes of ascending node.


Telstar was the first active, direct relay communications satellite. These forces are similar to the forces that keep all the planets in their places in the solar system R.

Accuracy of alignment of the antenna direction towards the satellite R.

Expendable launch vehicle ELV 2. Give the difference between KU-band and the C-band receive only systems.

When the satellite longitude is west of ES, the eclipse does not occur until the earth station is in darkness, when the usage is low. An ellipse has two focal points shown as F 1 and F 2.

This effect is termed as sun transit outage. Every object in a state of uniform motion tends to remain in that ec2045 satellite communication notes of motion unless an external force is applied to it. Reusable launcher They ec2045 satellite communication notes designed to be recovered intact and used again for launches.