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基于四维电子密度的地球同步轨道SAR电离层时变影响校正方法

明峰 洪峻 张弘毅 李亮

明峰, 洪峻, 张弘毅, 李亮. 基于四维电子密度的地球同步轨道SAR电离层时变影响校正方法[J]. 电子与信息学报, 2017, 39(10): 2311-2316. doi: 10.11999/JEIT170034
引用本文: 明峰, 洪峻, 张弘毅, 李亮. 基于四维电子密度的地球同步轨道SAR电离层时变影响校正方法[J]. 电子与信息学报, 2017, 39(10): 2311-2316. doi: 10.11999/JEIT170034
MING Feng, HONG Jun, ZHANG Hongyi, LI Liang. Correction Method Based on 4-D Electronic Density of Ionospheric Effects Induced by Temporal Variability on GEOSAR[J]. Journal of Electronics & Information Technology, 2017, 39(10): 2311-2316. doi: 10.11999/JEIT170034
Citation: MING Feng, HONG Jun, ZHANG Hongyi, LI Liang. Correction Method Based on 4-D Electronic Density of Ionospheric Effects Induced by Temporal Variability on GEOSAR[J]. Journal of Electronics & Information Technology, 2017, 39(10): 2311-2316. doi: 10.11999/JEIT170034

基于四维电子密度的地球同步轨道SAR电离层时变影响校正方法

doi: 10.11999/JEIT170034
基金项目: 

国家自然科学基金面上项目(61571417)

Correction Method Based on 4-D Electronic Density of Ionospheric Effects Induced by Temporal Variability on GEOSAR

Funds: 

Supported by the National Natural Science Foundation of China (61571417)

  • 摘要: 电离层在地球同步轨道SAR长合成孔径时间内具有明显的时变特性,这使得传统的基于电离层总电子含量(TEC)固定值的校正方法不再适用。为此,该文提出基于4维电子密度的地球同步轨道SAR成像补偿方法。通过基于电离层实测数据的半物理仿真,对校正方法进行实验验证,结果表明该方法可以有效地校正电离层时变特性对地球同步轨道SAR成像质量的影响。
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出版历程
  • 收稿日期:  2017-01-11
  • 修回日期:  2017-06-23
  • 刊出日期:  2017-10-19

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