Space Environment and Evaluation of Typical High Altitude Satellite

Publish Year: 1392
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:

JR_JIAE-10-2_005

تاریخ نمایه سازی: 13 تیر 1396

Abstract:

The space environment consists mainly of high-energy charged particles, such as protons, electrons and heavy ions. They are originating from several sources including galactic cosmic radiation, solar flares and van Allen belts. High energy electromagnetic radiation and neutrons have also been measured on spacecraft. Although shielding can reduce the effect of space radiation it cannot be eliminated completely. So the proper evaluation is the key to improve the system performance in space environment. In this paper, the space environment analysis and evaluation for High Altitude Satellites reported with an emphasis on radiation analysis as being the most significant source of space product failures. When there is no shielding, the forecasted value of Total Ionizing Dose (TID) is 109 rads (Si) and non-ionizing Displacement Damage Dose (DDD) is 1014 MeV/g(Si) for 18-year mission lifetime of high altitude satellite.

Authors

P. Hajipour

MSc, Islamic Azad University Shahrerey branch Young Researchers and Elite Club, Tehran, Iran

M. Danaeefar

PhD, Cyber Space Research Institute, Satellite Communication Group, Tehran, Iran

M Ebrahimzadeh

PhD, Cyber Space Research Institute, Satellite Communication Group, Tehran, Iran

S Radiom

PhD, Electronics and Telecommunications from ESAT at Katholieke Universities Leuven, Belgium,