電離層電位 的英文怎麼說

中文拼音 [diàncéngdiànwèi]
電離層電位 英文
ionospheric potential
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  1. It showed that 73 % increasing of toughness in modified composites was achieved without the reduction of other mechanical properties. sem has showed the periodically interleaved system where the co - continuously connected granular structure occurs layer by layer between each ply and the interlayer was relatively very thin

    鏡分析表明改性的碳纖維單向布周期性增強體系,在每兩增強體之間都有很薄一規整的球性兩相結構,正是這個獨特的多結構使其抗沖擊性能大幅提高,而且不會對其他重要的力學性能產生不利影響。
  2. The simulation results show that, image will be severely degraded by phase fluctuations at typical conditions of the ionosphere, and can be well focused after calibration

    模擬結果表明,引起的相起伏對成像影響較大,校正後可得到比較滿意的結果。
  3. According to the present status of studying the solar flare using gps, a new algorithm of processing gps data studying the solar flare is brought forward : after the instrumental bias has been determined, with the data of dual - frequency gps code and phase and navigation message, the vtec at the satellite ' s epp can be worked out

    根據現在研究太陽耀斑的實際情況,提出了利用gps研究太陽耀斑的數據處理方法:利用雙頻觀測值確定出儀器偏差后,再利用碼和相觀測值,結合導航文就可以求出交叉點的沿天頂方向上的子總量vtec值。
  4. By means of 4 dual - frequency gps receivers over china, the tec in the ionosphere during solar flare on nov 22, 1998 is calculated. the results indicate that the flare, the x - ray level of which is x3. 7, cause obvious tec enhancements in the ionosphere, the largest tec enhancement caused by the flare is about 1. 25 tecu. the characteristic of this method to study such ionospheric disturbances caused by flares is analyzed. it is concluded that this method can be used to study the ionosphere disturbances caused by solar flare, and can get more ionospheric disturbances information because of the special satellite constellation

    此次耀斑爆發引起了設在北京的高頻多普勒長達15min左右的無線短波中斷。通過對gps得到的tec進行分析發現:此次耀斑造成了大面積的tec的增加,耀斑爆發引起的最大tec增幅在1 . 25個tec單左右利用高精度的gps數據處理方法可研究耀斑引起的擾動。另外,還分析了由gps計算的tec的時空變化特點。
  5. Based on the theories of hybrid / mixed finite element method, the generalized energy functional including stress, mechanical displacement, electric displacement, electric field and electric potential is used, with the electric - potential relations and the constitutive equations of piezoelectric materials constrained, hybrid energy functional including mechanical displacement, electric potential and stress is gained. moreover, splitting in - plane components and transverse components, the mixed energy functional in which mechanical displacement, transverse stresses and electric potential as basic variables is derived. with the use of surface stress parameters of sub - elements, the continuity of transverse stress at interfaces between layers is obtained

    在回顧雜交混合有限元理論的基礎上,從包括移、應力、應變、勢、移、場強度六個未知量的廣義壓材料能量泛函出發,通過約束場強度?勢關系、應力與應變及場強度的關系,得到僅包括移、勢、應力三個未知量的雜交變分泛函,利用一般合板的雜交混合變分原理,分面內分量和橫向分量,導出以移、橫向應力、勢為未知量的壓合板的修正變分泛函,作為壓合板的雜交元列式的理論基礎。
  6. The speed control system is developed based on distance control and high precision elevator car positioning detection technology - efficient operation, excellent riding comfort and accurate car leveling

    以距控制和高精度轎廂置檢測技術為基礎的速度調制系統,不僅實現了梯高效運行並獲得了超乎尋常的舒適感和平精確度。
  7. The results of simulations are : i ) energies of the incident ions to the target are determined mainly by the voltage across the cathode sheath, with a majority of ions " energy vary around the sheath voltage ; ions nearly normally bombard the target ; ions mainly locate above the sputtering holes because of the influence of the magnetic field, and the incident ions mainly come from the region ; the ions undergo several collisions during transportation, but that do n ' t matter much

    主要模擬結果有: ? )入射子到達靶面時的能量主要受到了射頻輝光放中陰極殼西北工業大學碩士學論文李陽平壓的影響,大部分子的入射能量在陰極殼壓值附近,子濺射時接近於垂直入射;射頻輝光放受到陰極磁場的影響,等子體中的子主要集中在靶面濺射坑的上方,且入射子主要來自這個區域;入射子在輸運過程中和背景氣體分子有少量的碰撞,但影響不太大。
  8. Three - dimensional ct portography may also have technical potential to generate excellent image for volumetric reconstructions and hemodynamic evaluation of the portal vein and its collaterals

    自2004年元月至同年12月,本院148肝硬化病人,利用16切面腦斷攝影機施行ct門靜脈攝影檢查,其中112人顯示為重度肝硬化合併門靜脈高血壓癥性肝性靜脈側枝循環。
  9. These instruments can be divided into three categories, chromatographic separation methods including gas chromatography, liquid chromatography and ionic chromatography, spectrometric methods including atomic absorption, ultraviolet / visible absorption, infrared spectrometry, atomic emission spectrometry and fluorescence method, and electroanalytical methods including potentiometry, coulometry and voltammetry methods

    析法中的氣相析、液相析及析,光譜法中的紫外光可見光光譜法、原子吸收光譜法、紅外線光譜法、螢光光譜法、放射光譜法及拉曼光譜法,及化學方析方法如法、庫倫法及伏安法等。
  10. An ionosphere - free positioning method is brought forward, which is derived from drvid model to eliminate the effects of ionosphere

    提出了無影響的定方法,該方法通過對drvid模型進行變換,消除了的影響。
  11. 22 paired inferior collicular neurons were obtained in the experiment. the neurons were recorded in the depth of 198 - 1254 u m ( 544. 59 ? 72. 37 n m, m + sd ), and their bfs were 11. 25 - 59. 29 khz ( 26. 77 + 9. 95 khz, m ? d ) : the minimum thresholds ( mts ) werelo - 66 db spl ( 38. 14 ? 14. 39 khz, m + sd ) ; the latencies were 4. 0 - 16. 0 ms ( 8. 19 + 3. 14 ms, m + sd ) ; the best intervals between paired sound pulses were 0. 01 - 28. 71 ms ( 3. 93 + 2. 52 ms, m ? d ) 0 the results showed : l ) there were interactions between the neurons in the iso - frequency lamina and hetero - frequency lamina which included mutual inhibition ( 18 / 22, 81. 8 % ) and mutual facilitation ( 4 / 22, 18. 2 % ), and the mutual inhibition in iso - frequency lamina was stronger than that in hetero - frequency lamina ; 2 ) the mutual inhibition decreased with sound level increasing ( p < 0. 001, anova ) ; 3 ) the analysis of the inhibition of discharge rate at lodb above mt showed that the inhibition increased when the paired neurons " bfs difference decreased ( r = - 0. 545, p = 0. 0006 ) ; 4 ) the mutual inhibition of paired neurons can sharpen the frequency tuning and the effect increased when the frequency was away from the bf ; 5 ) the changes in q10, q30 decreased with bfs difference of the paired neurons increasing ; 6 ) the mutual facilitation between paired neurons not only increased discharge rate, but also widened the frequency tuning, i. e., increased response frequency

    結果表明: 1 )同頻神經元之間或者非同頻之間神經元之間存在相互作用,這種作用既有相互抑制( 18對,佔81 . 8 ) ,也有相互易化( 4對,佔18 . 2 ) ,且同頻神經元之間的相互抑制作用較非同頻神經元之間的相互抑制作用要強; 2 )神經元對低刺激強度反應時,所受到的相互抑制作用較強,隨著聲刺激強度加大,抑制作用逐步降低( p 0 . 001 , anova ) ; 3 )對閾上10db放率抑制百分比進行的分析顯示,配對神經元之間的最佳頻率差越小,相互抑制作用越強( r = - 0 . 545 , p = 0 . 0006 ) ; 4 )配對神經元之間通過相互抑制作用可表kx碩士學論文waiaster 』 sthesis現出調諧銳化作用,該作用的效率與頻率有關, bf處的銳化作用較低,偏bf時其銳化作用逐步加強; 5 )頻率銳化作用的效率與bf差有關,隨著配對神經元之間的bf差擴亢q10 , q30值的變化逐漸減小,其變化百分比與配對神經元之間的頻率差存在明顯相關; 6 )配對神經元之間的相互易化作用不僅表現在放率增加上,也表現在頻率調諧曲線的擴寬,即頻率響應范圍擴大。
  12. To correct these effects, two methods were introduced in this paper : using weighted function to constrain second phase error caused by dispersion, and utilizing pga algorithm to reduce the phase perturbation due to the irregularities of the ionosphere

    本論文介紹了兩種校正方法:利用加權函數抑制色散效應引起的二次相誤差,以及使用相梯度自聚焦演算法較正由的不規則性引起的信號相起伏。
  13. On the following, on the basis of formulas given above, three kinds of effects due to ionosphere are presented : image shift due to group delay which was caused by the difference between the group velocity and the velocity of light in the ionosphere ; image distortion due to ionospheric dispersion which can create second phase error of lfm signals ; the last, the phase perturbation caused by the irregularities of the ionosphere can reduce the coherent length and affect azimuthal resolution

    文中主要研究了的三種影響:信號經過傳播的群延遲引起的成像偏移;的色散效應給線性調頻信號帶來二次相誤差,導致圖像退化、失真;以及的閃爍、湍流等不規則性引起的信號相起伏。在此基礎上,比較分析了不同波段、帶寬條件下的影響。
  14. In this paper, the ceramic coatings were prepared in situ on ti - 6al - 4v alloy by micro - plasma oxidation ( mpo ). the phase composition, microstructure and corrosion resistance of the ceramic coatings were studied in detail and the technology of corrosion resistant coatings was optimized. the dissolution of the substrate and the changes of the elements in the electrolyte during the mpo process were studied to discuss the growing characters and the structure of the ceramic coatings

    本文通過微等子體氧化( mpo )方法在ti - 6al - 4v鈦合金表面原生長陶瓷膜,系統地研究陶瓷膜的相組成、微觀結構及膜耐腐蝕性能,並優化耐蝕性陶瓷膜制備工藝;分析基體在mpo過程中的溶解現象和解液中子濃度變化特點,探討極表面陶瓷膜生長規律和結構特點;研究膜的等效路、膜結構與耐腐蝕性能的關系,並對優化工藝條件下制備的陶瓷膜進行進一步的耐腐蝕性能測試和耐腐蝕機制研究。
  15. The results show that saastamoinen / niell model can remove the most of the tropospheric delay and then significantly improve the kinematic positioning solutions ; the ionosphere which is modeled on random walk process can also improve the kinematic positioning solutions ; however, the troposphere which is modeled on random walk process will bias the kinematic positioning solutions

    結果表明,對流模型改正可以大大改善定結果的精度,不過仍存在未模型化的對流延遲誤差。將延遲作為隨機過程來處理,可以提高定精度;而將對流延遲作為隨機過程來處理,則會影響定精度。
  16. According to the high spatial correlativity of the ionosphere contamination, then the rank one phase error estimation ( rope ) auto - focus method in imaging radar is suitably modified and applied to the ionosphere decontamination of hf radar echoes

    根據污染具有高度空間相關性的特點,將成像雷達中的秩一相誤差估計聚焦方法適當修正後應用於高頻雷達回波信號去擾動污染。
  17. Transition metal oxides with high inserted potential are used as cathode material of li - ion batteries generally. at present, layered compounds lico02, lini02 and spinel limn204 are extensively studied

    具有高插入的過渡金屬氧化物常用作鋰池的正極材料,目前研究較多的是狀結構的licoo _ 2 、 linio _ 2 。
  18. As the parts of the main contributions, the research projects focus mainly on how to improve gps surveying by reducing ionospheric delay for dual / single frequency kinematic / static users : high accuracy correction of ionospheric delay for single / dual frequency gps users on the earth and in space, china waas ionospheric modeling and the theory and method of monitoring of ionosphere using gps. the main contents of this ph. d paper consist of two parts : fisrt part - the outline of research background and the systematic introduction and summarization of the previous research results of this work

    本文主要包括兩方面的內容:一、研究背景的一般性描述及相關基礎研究的系統總結和介紹,主要涉及:地球研究意義,地球探測技術與相關理論研究的內容,現代大地測量中問題的由來、嚴重性與新課題,地球的基本特性及其對波傳播的影響, gps定的基本理論與方法,延遲對gps測量的影響, gps的延遲改正的基本方法,基於gps的研究的基本原理與方法等。
  19. The experimental results show that the effect of ib is much larger than that of the noise on estimating ionospheic delay, and ib can cause ionospheric delay measurements to include systematic errors of the order of several meters. therefore, one must significantly take notice of ib and remove its negative effect, and should not casually consider ib as part of noise whenever gps data are used to fit ionospheric model or to directly calculate ionospheric delay. ( 3 ) stability of ib is studied with a refined method for separating it from ionospheric delay using multi - day gps phase - smoothed code data

    算例表明,新方法通過採用平均去噪分方法后處理相丞于g陀的官唇監剝及延遲改正工論與方法的研究平滑測碼數據,求出儀器偏差並對需要實時處理儀器偏差的觀測數據進行預報改止,直接利用觀測值確定延遲量,待估參數少、能消除儀器偏差的大部分影響,具有較好的精度,可作為waas及其他gps網路系統確定延遲的可行的參考方案。
  20. The ionosphere f region is one of the most important region in the ionosphere. the night - time irregularities in this region can affect nearly all - frequency radio waves propagation through them

    f區是最主要的區域,尤其是其中的不規則結構,導致幾乎所有波段的磁波產生幅度和相的閃爍。
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