• Measuring plasma parameters wi...

Treffer: Measuring plasma parameters with thermal noise spectroscopy

Title:
Measuring plasma parameters with thermal noise spectroscopy
Authors:
MEYER-VERNET, N, SANG HOANG, ISSAUTIER, K, MAKSIMOVIC, M, MANNING, R, MONCUQUET, M, STONE, R. G
Source:
Measurement techniques in space plasmas: fieldsGeophysical monograph. 103:205-210
Publisher Information:
Washington, DC: American Geophysical Union, 1998.
Publication Year:
1998
Physical Description:
print, 33 ref
Original Material:
INIST-CNRS
Subject Terms:
Geology, Géologie, Geophysics, Géophysique, Sciences exactes et technologie, Exact sciences and technology, Terre, ocean, espace, Earth, ocean, space, Astronomie, Astronomy, Astronomie fondamentale et astrophysique. Instrumentation, techniques, et observations astronomiques, Fundamental astronomy and astrophysics. Instrumentation, techniques, and astronomical observations, Techniques d'observation et de réduction des données. Simulation et modélisation par ordinateur, Observation and data reduction techniques. Computer modeling and simulation, Spectrométrie et spectrophotométrie, Spectroscopy and spectrophotometry, Bruit thermique, Thermal noise, Densité électron, Electron density, Diagnostic plasma, Plasma diagnostics, Méthode mesure, Measuring methods, Onde plasma, Plasma waves, Plasma cométaire, Cometary plasma, Plasma cometario, Spectre puissance, Power spectra, Spectrométrie, Spectroscopy, Température électron, Electron temperature, Vent solaire, Solar wind
Document Type:
Fachzeitschrift Article
File Description:
text
Language:
English
Author Affiliations:
DESPA/CNRS ura 264, Observatoire de Paris, Meudon, France
NASA/Goddard Space Flight Center, Greenbelt, Maryland, United States
ISSN:
0065-8448
Access URL:
http://pascal-francis.inist.fr/vibad/index.php?action=search&terms=2386604
Rights:
Copyright 1998 INIST-CNRS
CC BY 4.0
Sauf mention contraire ci-dessus, le contenu de cette notice bibliographique peut être utilisé dans le cadre d’une licence CC BY 4.0 Inist-CNRS / Unless otherwise stated above, the content of this bibliographic record may be used under a CC BY 4.0 licence by Inist-CNRS / A menos que se haya señalado antes, el contenido de este registro bibliográfico puede ser utilizado al amparo de una licencia CC BY 4.0 Inist-CNRS
Notes:
Astronomy
Accession Number:
edscal.2386604
Database:
PASCAL Archive

Weitere Informationen

This paper describes the basic principles, the unique features and the limitations of thermal noise spectroscopy as a tool for in situ diagnostics in space plasmas. This technique is based on the analysis of the electrostatic field spectrum produced by the quasi-thermal fluctuations of the electrons and ions, which can be measured with a sensitive wave receiver at the terminals of an electric antenna. This method produces routine measurements of the bulk electron density and temperature, and is being extended to measure the ion bulk speed. It has the advantage of being in general relatively immune to spacecraft potential and photoelectron perturbations, since it senses a large plasma volume. We compare this method to other techniques, and give examples of applications in the solar wind as well as in cometary and in magnetized planetary environments.