| FREJA卫星观测到的低混杂小尖峰和密度空穴的关系 |
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| 引用本文： | 黄光力 Domi.,LQ. FREJA卫星观测到的低混杂小尖峰和密度空穴的关系[J]. 空间科学学报, 1997, 17(4): 329-336 |
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| 作者姓名： | 黄光力 Domi. LQ |
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| 作者单位： | 中国科学院紫金山天文台!南京(黄光力，DomiliqueL．Q．)，210008(王德煋，BengtH) |
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| 基金项目： | 王宽诚基金，中国科学院、国家自然科学基金 |
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| 摘 要： | 从FREJA卫星近期观测发现，地球低极尖区等离子体密度的衰减有多种可能的机制，不同机制所形成的密度空穴都可能捕获低混杂频率附近的湍动波，进而使原有的密度空穴加深．由于同时检测到静电和电磁的低混杂小尖峰，故提出电磁低混杂湍动的电场分量被密度空穴所捕获．
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| 关 键 词： | 极尖区 低混杂小尖峰 密度空穴 |
THE RELATION BETWEEN LH SPIKELETS AND DENSITY CAVITONS IN OBSERVATIONS OF FREJA |
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| HUANG Guanli and WAN Deyu. THE RELATION BETWEEN LH SPIKELETS AND DENSITY CAVITONS IN OBSERVATIONS OF FREJA[J]. Chinese Journal of Space Science, 1997, 17(4): 329-336 |
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| Authors: | HUANG Guanli and WAN Deyu |
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| Affiliation: | HUANG Guanli and WAN Deyu(Anrple Mountain Observatory ne Chinese Academy of Sciences Nanjing 210008)Domilique L. Q.(Centre d'etude des Anvironnements Terrestre et Planetaires)Bengt H(Swedish Insrtitude for Space Physics) |
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| Abstract: | The plasma density dePlehons may be resulted from four mechanisms, evidencesof which are shown by the observations of FREJA satellite. The density cavitonscaused by different mecheanisms may trap the dsent waves at low-hybrid freqdency.The lower-hybrid spikelets are observed with electwtatic and electromagnetic modes.It is suggested that the electric component of the elecromagnetic low-hybrid turbulenceis trapped by the density cavitons. |
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| Keywords: | Aurora Low-hybrid spikelet Density caviton |
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