Nonmagnetized Collisional Plasma Parameter Estimation From Two Frequency Signal Interrogation Attenuation
Abstract
A nonmagnetized collisional plasma parameter estimator from two frequency signal interrogation attenuation is developed. The plasma parameters that are estimated are the plasma frequency, electron neutral momentum collision frequency, and the plasma thickness. The plasma frequency and electron neutral momentum collision frequency are considered uniform across the plasma thickness. The relative permittivity is defined, and the complex index of refraction is developed. Using this definition and applying the plasma frequency, electron neutral momentum collision frequency, the radial propagation frequency, and plasma thickness, an attenuation is determined for known cases. The development of the estimator is discussed. The estimator uses a performance index where the minimum difference between the plasma frequencies and electron neutral momentum collision frequencies is determined for the two signal interrogation frequencies under the constraint of the same plasma thickness. The estimator was developed in three stages which include iterative, sequential, and adaptive. The setups of the iterative, sequential, and adaptive approaches are discussed. The impact of the interrogation frequency and the estimator setup is investigated. The estimator in the three development stages is compared with known cases and the plasma parameter estimator performance is quantified.
- Authors:
-
- Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
- Publication Date:
- Research Org.:
- Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
- Sponsoring Org.:
- USDOE National Nuclear Security Administration (NNSA)
- OSTI Identifier:
- 1820416
- Report Number(s):
- SAND-2021-9909J
Journal ID: ISSN 0093-3813; 698844; TRN: US2214240
- Grant/Contract Number:
- NA0003525
- Resource Type:
- Accepted Manuscript
- Journal Name:
- IEEE Transactions on Plasma Science
- Additional Journal Information:
- Journal Volume: 49; Journal Issue: 9; Journal ID: ISSN 0093-3813
- Publisher:
- IEEE
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 70 PLASMA PHYSICS AND FUSION TECHNOLOGY; Minimization; parameter estimation; plasma properties; propagation losses
Citation Formats
Statom, Tony K. Nonmagnetized Collisional Plasma Parameter Estimation From Two Frequency Signal Interrogation Attenuation. United States: N. p., 2021.
Web. doi:10.1109/tps.2021.3105338.
Statom, Tony K. Nonmagnetized Collisional Plasma Parameter Estimation From Two Frequency Signal Interrogation Attenuation. United States. https://doi.org/10.1109/tps.2021.3105338
Statom, Tony K. Wed .
"Nonmagnetized Collisional Plasma Parameter Estimation From Two Frequency Signal Interrogation Attenuation". United States. https://doi.org/10.1109/tps.2021.3105338. https://www.osti.gov/servlets/purl/1820416.
@article{osti_1820416,
title = {Nonmagnetized Collisional Plasma Parameter Estimation From Two Frequency Signal Interrogation Attenuation},
author = {Statom, Tony K.},
abstractNote = {A nonmagnetized collisional plasma parameter estimator from two frequency signal interrogation attenuation is developed. The plasma parameters that are estimated are the plasma frequency, electron neutral momentum collision frequency, and the plasma thickness. The plasma frequency and electron neutral momentum collision frequency are considered uniform across the plasma thickness. The relative permittivity is defined, and the complex index of refraction is developed. Using this definition and applying the plasma frequency, electron neutral momentum collision frequency, the radial propagation frequency, and plasma thickness, an attenuation is determined for known cases. The development of the estimator is discussed. The estimator uses a performance index where the minimum difference between the plasma frequencies and electron neutral momentum collision frequencies is determined for the two signal interrogation frequencies under the constraint of the same plasma thickness. The estimator was developed in three stages which include iterative, sequential, and adaptive. The setups of the iterative, sequential, and adaptive approaches are discussed. The impact of the interrogation frequency and the estimator setup is investigated. The estimator in the three development stages is compared with known cases and the plasma parameter estimator performance is quantified.},
doi = {10.1109/tps.2021.3105338},
journal = {IEEE Transactions on Plasma Science},
number = 9,
volume = 49,
place = {United States},
year = {Wed Aug 25 00:00:00 EDT 2021},
month = {Wed Aug 25 00:00:00 EDT 2021}
}
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