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- The Effects of Time-varying Ionospheric Channel on HF Timing. 電離層通道的時變特性對短波授時的影響。
- ionospheric substorms 電離層亞暴
- So far, technological hurdles have made it hard for scientists to precisely connect a substorm with its most probable cause. 目前止為，由於技術上的障礙，科學家們很難精確了解造成磁暴的最可能的原因。
- As with ordinary light, laser range measurements to satellites are not troubled by ionospheric refraction. 用激光測人造衛星的距離和用普通光一樣，不受電離層折射的干擾。
- The key problem is if the ions upflow can really trigger the substorm onset? A 3-D resistive MHD simulation is carried o. 我們利用三維MHD方法首次對上行離子流觸發的亞暴膨脹相起始過程進行了研究。
- Precise information on the ionospheric Total Electron Content (TEC) can be quickly provided by using GPS (Global Positioning System) . 全球定位系統(GPS)可以快速、準確地提供電離層總電子含量(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信號研究電離層閃爍的基本原理，討論了電離層閃爍監測中S4指數的計算方法及其修正方法。
- The phenomenon was apparently caused by a reaction between the exhaust gases and ionospheric oxygen ions. 此現象明顯是由於廢氣和電離層的氧離子之間的相互作用產生的。
- Scientists call them substorm s, a part of larger storms of energy propel led from the sun at supersonic speeds toward Earth and elsewhere in the solar system. 科學家稱它們亞暴，是規模更大的太陽能風暴的一部分，以超音速向地球以及太陽系其它地方推進。
- Experimental results confirm that the modified method can achieve effective ionospheric clutter suppression. 實測數據處理結果表明，該方法葉電離層雜波具有很好的抑制效果。
- Ionospheric time delay is one of the largest error sources in C/A code GPS navigation and positioning. 電離層傳播延遲是C/A碼GPS導航定位的主要誤差源之一。
- The flowchart and characteristic of the grid-based algorithm fur Ionospheric delay correction in WAAS are discussed. 摘要闡述了廣域增強系統電離層延遲網格修正演算法流程、思路及特點，希望能給相關研究者提供參考。
- The pseudo-random noise(PRN) coded ionosonde has some advantages over linear frequency modulation(LFM) coded ionosonde in ionospheric sounding. 在電離層探測中 ,偽隨機雜訊編碼探測儀與常見的線性調頻電離層探測儀相比具有一定的優勢。
- In the two situations the difference would come into being due to time transformation of electron density in the ionospheric F layer. 本文還給出了統計對流模型作用下磁流管在經歷極隙區時,有沉降粒子作用和沒有沉降粒子作用兩種情況下,F層等離子體的時間變化過程的差異。
- With the simultaneously generated precision series, the response of ionospheric phase delay to the LEO satellite orbit biases is assessed and analyzed. 以同步生成的模擬精度序列為參照,就掩星觀測中電離層延遲對LEO衛星軌道誤差的響應程度進行了估計和分析。
- The factors are systematically described and analyzed which limit the precision of using GPS data to extract ionospheric delays. 系統論述和分析了影響利用GPS觀測精確提取電離層延遲信息的各類因素。
- During sea-state remote sensing by skywave OTH radar,the received sea-surface echoes may be smeared by the ionospheric slow phase-path modulation. 在用天波超視距雷達進行海態遙感時,因電離層慢相徑調製污染致使海面回波譜質量下降,直接影響到遙感海態參數估計。
- THEMIS data revealed that the February substorm was sparked by an explosion along field lines in Earth's magnetic tail at a distance some 10 to 15 times greater than the planet's diameter. 「西彌斯」的數據顯示，發生在二月份的磁暴來自一個沿著場力線尾部的爆炸，爆炸的範圍約為地球直徑的10到15倍。
- Ionospheric scintillations influence adversely the performance of satellite communication system and the precision of navigation system. 電離層閃爍會影響衛星通信系統的質量和導航系統的精度。
- According to GPS observation data, mapping ionospheric image of VC procedures, can be applied in meteorology, aerospace and other fields. 根據GPS觀測數據，繪製電離層影像圖的VC程序，可應用於氣象、航天等領域。
