A novel method based on GPS TEC to forecast L band scintillations over the equatorial region through a case study
A novel method based on GPS TEC to forecast L band scintillations over the equatorial region through a case study
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DOI：
10.1016/j.jastp.2012.02.007
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发表时间：
2012-05
影响因子：
1.9
通讯作者：
R. Sridharan;M. Bagiya;S. Sunda
中科院分区：
文献类型：
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作者：
R. Sridharan;M. Bagiya;S. Sunda
预测L波段卫星的发生一直是一项具有挑战性的任务，这一挑战已通过使用GPS-TEC数据发展一种简单的方法来解决。对于给定的背景条件下，它已被证明，在GPS-TEC的波动真正代表的扰动，是负责的等离子体不稳定性，最终达到高潮，在所观察到的不规则性的启动的特征。扰动特征与振荡的演化模式之间的密切联系使我们能够预测L波段振荡的“发生模式”以及“何时”和“持续多久”发生。他们的第一种结果使我们更接近于真实的时间导航目的的L波段天气预报业务。
Forecasting the occurrence of L-band scintillations has been a challenging task and, this challenge has been tackled by evolving a simple method using GPS-TEC data. For given background conditions, it has been shown that the fluctuations in the GPS-TEC truly represent the characteristic features of the perturbations that are responsible for the initiation of the plasma instability that finally culminates in to the observed irregularities. The close linkage between the perturbation features and the evolutionary pattern of the scintillations enable us to forecast ‘when’, and ‘for how long’ the L-band scintillations would occur, in addition to their ‘occurrence pattern’. The first of their kind of results take us a step closer towards operational forecasting of L-band scintillations for real time navigational purposes.