NAOC Open IR
空间分辨率对磁场无力性判断的影响
蒋成清1; 张枚2
2018
Source Publication天文学报
ISSN0001-5245
Volume059Issue:004Pages:39
Abstract在以往工作定量地分析磁场观测局限性(视场大小、灵敏度、噪声)对磁场无力性判断的影响基础上,探讨了磁图空间分辨率对磁场无力性判断的影响.发现:在理想无噪声情况下,改变磁图的空间分辨率对磁场无力性判断的影响很小;而当实际存在噪声时,与一般直觉相反,适当地降低空间分辨率以压制白噪声,反倒可以通过降低噪声对磁场无力性判断的影响而有效地提高磁场无力性判断的准确度.这一发现为如何有效使用观测磁图来正确判断太阳磁场无力性提供了理论依据和有益指导.
Language英语
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/53399
Collection中国科学院国家天文台
Affiliation1.北京航空航天大学
2.中国科学院国家天文台
Recommended Citation
GB/T 7714
蒋成清,张枚. 空间分辨率对磁场无力性判断的影响[J]. 天文学报,2018,059(004):39.
APA 蒋成清,&张枚.(2018).空间分辨率对磁场无力性判断的影响.天文学报,059(004),39.
MLA 蒋成清,et al."空间分辨率对磁场无力性判断的影响".天文学报 059.004(2018):39.
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