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- ionospheric substorms 电离层亚暴
- The Effects of Time-varying Ionospheric Channel on HF Timing. 电离层信道的时变特性对短波授时的影响。
- Powerful substorms followed, as energy stored in the magnetotail was explosively released into the upper atmosphere. 储存在磁尾的能量，如爆炸般释放到高层大气，产生了一个接一个的强力次磁暴。
- Substorms and the attendant auroral displays continued through the rest of July 15 and into the morning of July 16. 次磁暴和伴随的极光表演，从7月15日到隔天清晨一直持续上演著。
- An extended period of southward IMF can also lead to a rapid succession of substorms, each of which injects more particles toward the earth. 长时间向南的IMF也会引发快速连续的磁层次磁暴，每个磁层次磁暴都朝著地球吐入更多带电粒子。
- As with ordinary light, laser range measurements to satellites are not troubled by ionospheric refraction. 用激光测人造卫星的距离和用普通光一样，不受电离层折射的干扰。
- Precise information on the ionospheric Total Electron Content (TEC) can be quickly provided by using GPS (Global Positioning System) . 全球定位系统(GPS)可以快速、准确地提供电离层总电子含量(TEC)信息。
- In this paper, the traditional computational method of ionospheric S4 index based on GPS signal is analyzed. 本文分析了GPS信号研究电离层闪烁的基本原理，讨论了电离层闪烁监测中S4指数的计算方法及其修正方法。
- Scientists call them substorms ,a part of larger storms of energy propelled from the sun at supersonic speeds toward Earth and elsewhere in the solar system. 科学家称它们为亚暴，是规模更大的太阳能风暴的一部分，以超音速向地球及太阳系中其他地方推动而来。
- "I think the THEMIS experiment is really starting to knock down some of the obstacles to narrowing in on a fairly definite picture as to why substorms occur," Chua said. 他说：“西弥斯的观测确实开始解开了导致亚暴发生的一些谜团，把答案缩小到了一定的范围。”
- The phenomenon was apparently caused by a reaction between the exhaust gases and ionospheric oxygen ions. 此现象明显是由于废气和电离层的氧离子之间的相互作用产生的。
- Experimental results confirm that the modified method can achieve effective ionospheric clutter suppression. 实测数据处理结果表明，该方法叶电离层杂波具有很好的抑制效果。
- Scientists call them substorms, a part of larger storms of energy propelled from the sun at supersonic speeds toward Earth and elsewhere in the solar system. 科学家称之为亚暴，这种较大风暴的推动能量部分是来自于太阳以超音速传播到地球和太阳系的其他地方。
- Ionospheric time delay is one of the largest error sources in C/A code GPS navigation and positioning. 电离层传播延迟是C/A码GPS导航定位的主要误差源之一。
- The flowchart and characteristic of the grid-based algorithm fur Ionospheric delay correction in WAAS are discussed. 摘要阐述了广域增强系统电离层延迟网格修正算法流程、思路及特点，希望能给相关研究者提供参考。
- So far, technological hurdles have made it hard for scientists to precisely connect a substorm with its most probable cause. 目前止为，由于技术上的障碍，科学家们很难精确了解造成磁暴的最可能的原因。
- The key problem is if the ions upflow can really trigger the substorm onset? A 3-D resistive MHD simulation is carried o. 我们利用三维MHD方法首次对上行离子流触发的亚暴膨胀相起始过程进行了研究。
- The pseudo-random noise(PRN) coded ionosonde has some advantages over linear frequency modulation(LFM) coded ionosonde in ionospheric sounding. 在电离层探测中 ,伪随机噪声编码探测仪与常见的线性调频电离层探测仪相比具有一定的优势。
- In the two situations the difference would come into being due to time transformation of electron density in the ionospheric F layer. 本文还给出了统计对流模型作用下磁流管在经历极隙区时,有沉降粒子作用和没有沉降粒子作用两种情况下,F层等离子体的时间变化过程的差异。
- With the simultaneously generated precision series, the response of ionospheric phase delay to the LEO satellite orbit biases is assessed and analyzed. 以同步生成的模拟精度序列为参照,就掩星观测中电离层延迟对LEO卫星轨道误差的响应程度进行了估计和分析。
