Digital communications satellite. Computer artwork of a communications satellite orbiting in space,with a digital signal of zeroes and ones seen. Images,sound and computer data can all be reduced to zeroes and ones (binary digits) and transmitted at the speed of light around the Earth. The satellite has solar cell arrays (blue) to produce power,and a rounded dish antenna to receive and transmit these digital signals. Communication satellites act to relay signals from ground stations or from other satellites. These satellites can carry telephone and fax messages,computer data,and can broadcast television signals | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Kulyk, Mehau |
Taille de l’image : | 3217 px × 4442 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |