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- The Effects of Time-varying Ionospheric Channel on HF Timing. 電離層信道的時(shí)變特性對短波授時(shí)的影響。
- ionospheric defocusing 電離層散焦
- 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。
- 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. 此現象明顯是由于廢氣和電離層的氧離子之間的相互作用產(chǎn)生的。
- Experimental results confirm that the modified method can achieve effective ionospheric clutter suppression. 實(shí)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(wǎng)格修正算法流程、思路及特點(diǎn)，希望能給相關(guān)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 ,偽隨機噪聲編碼探測儀與常見(jiàn)的線(xiàn)性調頻電離層探測儀相比具有一定的優(yōu)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(jīng)歷極隙區時(shí),有沉降粒子作用和沒(méi)有沉降粒子作用兩種情況下,F層等離子體的時(shí)間變化過(guò)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(guān)測中電離層延遲對LEO衛星軌道誤差的響應程度進(jìn)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(guān)測精確提取電離層延遲信息的各類(lèi)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(jìn)行海態(tài)遙感時(shí),因電離層慢相徑調制污染致使海面回波譜質(zhì)量下降,直接影響到遙感海態(tài)參數估計。
- Ionospheric scintillations influence adversely the performance of satellite communication system and the precision of navigation system. 電離層閃爍會(huì )影響衛星通信系統的質(zhì)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(guān)測數據，繪制電離層影像圖的VC程序，可應用于氣象、航天等領(lǐng)域。
- Unlike the near-field evaluation or aircraft-dependent methods, this method is simple and easy to be realized for different ionospheric conditions. 該方法相對于近場(chǎng)測試以及利用合作目標測試等原有方法，簡(jiǎn)便易行，在不同電離層條件下重復進(jìn)行，測試成功率高等優(yōu)點(diǎn)。
- "The data gathered from this project will aid in our understanding of the relationship between the winds and ionospheric activity," says Earle. 埃爾說(shuō)，這個(gè)研究項目收集的數據將幫助我們理解運動(dòng)和電離活動(dòng)的關(guān)系。
- The algorithm prediction error is larger under ionospheric stormy conditions, which is more prominent for the stations in the low latitudes. 此次磁暴期間，算法的精度明顯降低，對于低緯地區的影響更為顯著(zhù)；
- The actual channel frequencies are kept in the precise ratio 3/8 and the transmitters are kept coherent to allow for ionospheric corrections. 確切頻率比為3/8，發(fā)射機是相干的用來(lái)得到電離層修正。
