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DTM94大气模型及其应用 被引量:1

DTM94 Atmosphere Model and Its Application
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摘要 简述了DTM94 大气模型, 并以其旧版本DTM78 为对照进行了初步考察和分析, 其中给出了两种模型的大气密度随地磁指数kp 和太阳辐射流量(Solar Radio Flux) 变化的情况, 并对20d ( 天) 弧长Ajisai 卫星的全球SLR观测资料进行处理, 结果表明DTN94 对近地卫星Ajisai 的精密定轨是十分有利的。 DTM94 atmosphere model is briefly described in the text,and in contrast with DTM78 preliminary consideration and analyses are carried out.Therein,the Authors present the variation of atmospheric density with geomagnetic indices k p and solar radio flux,respectively.20 day interval global SLR data from satellite Ajisai was reduced.It shows that atmosphere model DTM94 is beneficial to the precise orbit determination of satellite Ajisai.
作者 蒋虎 黄王成
出处 《云南天文台台刊》 CSCD 1999年第4期30-37,共8页 Publications of the Yunnan Observatoty
关键词 大气模型 DTM94 地磁指数 太阳射电辐射 atmosphere models DTM94 geomagnetic indices solar radio flux
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