Space radiation monitoring instrumentation

International Journal of Sensor Networks and Data Communications

ISSN: 2090-4886

Open Access

Space radiation monitoring instrumentation

Wireless, Aerospace & Satellite Communications

April 15-16, 2019 | Amsterdam, Netherlands

Keyur K Mahant

CHARUSAT University, India

Posters & Accepted Abstracts: Int J Sens Netw Data Commun

Abstract :

The charged particles can cause adverse effects on spacecraft and electronic components. Radiation effects from high energy particles cause spacecraft surface charging, degradation or permanent failure of the electronic components and sub systems by single event effects, displacement damages and ionizing dose effects in the spacecraft. The effects of ion-induced charge transients can be divided into basic three categories: total ionizing dose (TID), linear energy transfer (LET) and single event upset (SEU). TID effect is accumulation of ionizing energy deposited over a long period on semiconductor materials. TID occurs mostly due to the electrons and protons, which can cause failure of device. The total energy loss or transfer to the material per unit distance of travel through the material is called LET. Electronic devices can be disturbed by the passage of energetic electrons, protons or heavier ions that may alter the state of a circuit, producing “single event effects”. SEU and multiple-bit upset (MBU) which change the logic state of internal nodes of the circuit. It can be reset by different electrical operations. These errors are called soft errors which are recoverable. Proposed talk is about instrumentation of space radiation monitoring, its effects on space-craft electronics and mitigation methods.

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