A new method for asymmetrical Abel inversion using Fourier-Bessel expansions

被引：11
|
作者：
Ruan, HL [1 ]
Wan, BN [1 ]
机构：
[1] Acad Sinica, Inst Plasma Phys, Hefei 230031, Anhui, Peoples R China
来源：
INTERNATIONAL JOURNAL OF INFRARED AND MILLIMETER WAVES | 2000年 / 21卷 / 12期
关键词：
Abel inversion; electron density; local value; Fourier-Bessel series;
D O I：
10.1023/A:1006724218429
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A new asymmetrical Abel inversion is presented for application in asymmetrical data which is obtained from plasma. diagnostics on the toroidal plasma system. Asymmetry in the system exists in the direction along chord distribution. This new method is aimed at general measuring configuration, and need not assume integration chords to be parallel (for instance, pinhole configurations). In this new method, the asymmetrical local value is expanded to Fourier-Bessel series, and Fourier terms include the information of asymmetry. The coefficients of the expansions are determined using least-squares fitting method.
引用
收藏
页码：1973 / 1987
页数：15
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