Multi-input data derived Dst model

被引：12
|
作者：
Zhu, D.
Billings, S. A.
Balikhin, M. A.
Wing, S.
Alleyne, H.
机构：
[1] Univ Sheffield, Automat Control & Syst Engn, Sheffield S1 3JD, S Yorkshire, England
[2] Johns Hopkins Univ, Appl Phys Lab, Laurel, MD USA
来源：
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS | 2007年 / 112卷 / A6期
关键词：
D O I：
10.1029/2006JA012079
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
A multi-input single-output (MISO) discrete time model is identified for the D-st dynamics using the Nonlinear Autoregressive Moving Average Model with Exogenous Input (NARMAX) approach to describe the dynamics of the geomagnetic index D-st under the influence of two solar wind parameters V B-s and the dynamical pressure P. The identified model provides a concise representation for the evolution of the D-st index and is able to forecast the dynamics of D-st more accurately in comparison with previously derived single-input NARMAX models.
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页数：5
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