您要查找的是不是:
- 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 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,由于技術(shù)上的障礙,科學(xué)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(fā)的亞暴膨脹相起始過(guò)程進(jìn)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. 此現象明顯是由于廢氣和電離層的氧離子之間的相互作用產(chǎn)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(xué)家稱(chēng)它們亞暴,是規模更大的太陽(yáng)能風(fēng)暴的一部分,以超音速向地球以及太陽(yáng)系其它地方推進(jìn)。
- 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。
- 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(fā)生在二月份的磁暴來(lái)自一個(gè)沿著(zhù)場(chǎng)力線(xiàn)尾部的爆炸,爆炸的范圍約為地球直徑的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(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。