Shock-identification-computer on board of the spacecrafts Helios-1 and Helios-2

Details Shock-identification-computer on board of the spacecrafts Helios-1 and Helios-2 Shock-identification-computer on board of the spacecrafts Helios-1 and Helios-2

Jul 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979itge...17...92m&link_type=abstract

IEEE Transactions on Geoscience Electronics, vol. GE-17, July 1979, p. 92-95. Research supported by the Bundesministerium für F

Computer Science

1

Airborne/Spaceborne Computers, Helios 1, Helios 2, Magnetic Measurement, Plasma Diagnostics, Satellite-Borne Instruments, Shock Discontinuity, Computer Techniques, Data Recording, Interplanetary Magnetic Fields, Magnetic Variations, Shock Wave Interaction, Signal Processing

Scientific paper

The investigation of discontinuities with strong variations in the magnetic field magnitude, such as shock waves is presented. Ten Helios experiments for investigating solar-interplanetary plasma are covered that measure the velocity distribution functions of different kinds of charge particles, magnetic and electric fields, and cosmic-ray particles of solar and galactic origin. The phenomena of MHD discontinuities and shock waves that are characterized by a positive increase in the magnetic-field intensity are investigated. Due to the necessary high time-resolution data and a transmission rate of only 2048 bits/s in real time, the use of an onboard storage device capable of large memory capacities is reviewed, and an automatic event detector called a shock-identification computer with 538 kbit core memory capacity is developed.

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