The data processing system on board IRAS
Abstract
The paper gives a general description of the data processing system on board the IRAS satellite. The bus system is a direct series transport bus system controlled by the onboard computer. The computer system consists of two identical computers, each equipped with an ROM of 3K 16-bit words and an RAM of 32K 18-bit words. One computer is always functioning while the other is off. Information on the structure of the telecommand data stream, telemetry data stream, and the data streams from the attitude control system and the experiments is given.
- Publication:
-
Ruimtevaart
- Pub Date:
- April 1979
- Bibcode:
- 1979Ruimt..28...47S
- Keywords:
-
- Airborne/Spaceborne Computers;
- Computer Systems Design;
- Data Processing;
- Infrared Astronomy Satellite;
- Bus Conductors;
- Command And Control;
- Computer Systems Programs;
- Spaceborne Experiments;
- Spacecraft Control;
- Telemetry;
- Space Communications, Spacecraft Communications, Command and Tracking