Satellite Communications

Recent Answers

2012-02-06 Satellite Communications - Link Availability:

hi,  the basis of the model is found here :    ITU-R Rec. P 581:  http://www.itu.int/rec/R-REC-P.581/en  ITU-R Rec. P 841: http://www.itu.int/rec/R-REC-P.841/en    note that this model is only applicable

2012-02-05 Satellite Communications - Steps for a SCPC link:

hi  there are quite a few steps from getting the content ready to uplink and distribution.    http://www.ehow.com/how_5192644_launch-television-channel.html    as far as the transmission part via satellite

2012-02-03 Satellite Communications - Back-off:

hi,  it is not about failure rate, understanding as failure an event in which the hpa stops working.  it is about the magnitude of the unwanted products    you need to get from the data sheet of the sspa

2012-02-02 Satellite Communications - Back-off:

Hi,  for SSPAs, you need to make sure you do not exceed the 1dB compression point.    for single carrier operation the performance of the device should be good enough below the 1 dB compression point,

2012-01-27 Satellite Communications - PHASED ARRAY ANTENNAS:

Hello,  after googling the subject i found a few links.  i suggest you try these references. they will provide answers to the questions you raise.    http://www.antenna-theory.com/arrays/main.php    http://etd