書誌事項
- 公開日
- 1998-11
- 権利情報
-
- http://onlinelibrary.wiley.com/termsAndConditions#vor
- DOI
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- 10.1029/98ja00678
- 公開者
- American Geophysical Union (AGU)
この論文をさがす
説明
<jats:p>In this report the problems of resolution and noise sensitivity of tomographic reconstructions from ground‐based multistation imaging of aurora with the auroral large imaging system (ALIS) are considered. ALIS is a ground‐based grid of high‐performance CCD‐imaging stations at high latitudes. For evaluation of the resolution and noise sensitivity of current tomographic reconstruction procedures a full model simulation of the ALIS system is presented. The results show that relative errors are typically in the range 0.05 – 0.1 for typical noise levels in measurements of aurora. A general method to estimate resolution in a tomographic imaging system is developed and used to give estimates of the horizontal and vertical resolution. Its current limitations and future perspective are briefly discussed. A method to retrieve feasible tomographic reconstructions from a few image projections with variable noise level are outlined.</jats:p>
収録刊行物
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- Journal of Geophysical Research: Space Physics
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Journal of Geophysical Research: Space Physics 103 (A11), 26621-26632, 1998-11
American Geophysical Union (AGU)
