Astronomy and Astrophysics – Astrophysics – Instrumentation and Methods for Astrophysics
Scientific paper
2010-11-15
Astronomy and Astrophysics
Astrophysics
Instrumentation and Methods for Astrophysics
24 pages, 2 figures, Accepted for publication in Experimental Astronomy (in press)
Scientific paper
10.1007/s10686-010-9185-2
The onboard software and data communication in the RT-2 Experiment onboard the Coronas-Photon satellite is organized in a hierarchical way to effectively handle and communicate asynchronous data generated by the X-ray detectors. A flexible data handling system is organized in the X-ray detector packages themselves and the processing electronic device, namely RT-2/E, has the necessary intelligence to communicate with the 3 scientific payloads by issuing commands and receiving data. It has direct interfacing with the Satellite systems and issues commands to the detectors and processes the detector data before sending to the satellite systems. The onboard software is configured with several novel features like a) device independent communication scheme, b) loss-less data compression and c) Digital Signal Processor. Functionality of the onboard software along with the data structure, command structure, complex processing scheme etc. are discussed in this paper.
Begum Shaheda S.
Chakrabarti Sandip K.
Debnath Dipak
Hingar M. K.
Kotoch Tilak B.
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