A new instrument for the study of wave-particle interactions in space: One-chip Wave-Particle Interaction Analyzer

Hajime Fukuhara, Hirotsugu Kojima, Yoshikatsu Ueda, Yoshiharu Omura, Yuto Katoh, Hiroshi Yamakawa

Research output: Contribution to journalArticlepeer-review

15 Citations (Scopus)

Abstract

Wave-particle interactions in a collisionless plasma have been analyzed in several past space science missions but direct and quantitative measurement of the interactions has not been conducted. We here introduce the Wave-Particle Interaction Analyzer (WPIA) to observe wave-particle interactions directly by calculating the inner product between the electric field of plasma waves and of plasma particles. The WPIA has four fundamental functions: waveform calibration, coordinate transformation, time correction, and interaction calculation. We demonstrate the feasibility of One-chip WPIA (O-WPIA) using a Field Programmable Gate Array (FPGA) as a test model for future science missions. The O-WPIA is capable of real-time processing with low power consumption. We validate the performance of the O-WPIA including determination of errors in the calibration and power consumption.

Original languageEnglish
Pages (from-to)765-778
Number of pages14
Journalearth, planets and space
Volume61
Issue number6
DOIs
Publication statusPublished - 2009
Externally publishedYes

Keywords

  • Collisionless plasma
  • FPGA
  • Plasma waves
  • Wave-particle interaction

ASJC Scopus subject areas

  • Geology
  • Space and Planetary Science

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