電離層對流 的英文怎麼說

中文拼音 [diànlícéngduìliú]
電離層對流 英文
ionospheric convection
  • 電 : Ⅰ名詞1 （有電荷存在和電荷變化的現象） electricity 2 （電報） telegram; cable Ⅱ動詞1 （觸電） give...
  • 離 : Ⅰ動詞1 （離開） leave; part from; be away from; separate 2 （背離） go against 3 （缺少） dispens...
  • 層 : i 量詞1 （用於重疊、積累的東西 如樓層、階層、地層） storey; tier; stratum 2 （用於可以分項分步的...
  • 對 : Ⅰ動詞1 （回答） answer; reply 2 （對待; 對付） treat; cope with; counter 3 （朝; 向; 面對） be tr...
  • 流 : Ⅰ動1 （液體移動; 流動） flow 2 （移動不定） drift; move; wander 3 （流傳; 傳播） spread 4 （向壞...
  1. In section one, by using fice scheme and time - gcm, a model of trace gases and oh airglow affected by gravity wave is set up, then the propagation of nonlinear gravity wave and the effect on trace gases and oh airglow are analyzed. the result shows gravity wave excited by tropospause forcing can propagate stably to the mesosphere through the stratosphere so that energy and momentum can be transferred from one region to another. in this process, gravity wave undergoes growth, overturning, convection and breaking

    在第一部分的工作中，利用全隱歐拉格式和全球熱層-電離層-中間層-電動力學環流耦合模式（ time - gcm ） ，對重力波的非線性傳播及其在傳播過程中對中高層大氣中氧族和氫族成分和與之密切相關的oh氣輝輻射的影響進行了數值模擬，結果表明，從對流層向上傳播的重力波經歷了產生、發展、飽和、對流產生直至破碎的非線性演化，大氣的非等溫結構加速了重力波在中層頂區的破碎，重力波的非線性傳播是小尺度對流和湍流產生的一個重要的源。
  2. Above the troposphere is the stratosphere, followed by the ionosphere and capped by the exosphere

    在對流層上是平流層，接著是電離層，最上層是外逸層。
  3. Neural network control is an important mode of intelligent control, and it is widely used in branches of control science, first, the architecture and the learning rule ( error back propagation algorithm ) of multiplayered neural network which is widely used in control system are presentedo especially, the paper refers to the architecture of diagonal recurrent neural network and its learning algorithm - - - - - recurrent prediction error algorithm because of its faster convergence with low computing costo next, before introducing the neural network control to the double close loop dc driver system, the controllers of current and velocity loop are designed using engineering design approach after analysis of the system, simulation models of the system are created

    神經網路控制是智能控制的重要方式之一，它廣泛應用於自動控制學科各個領域。本文首先敘述了控制系統中常用的多層前饋網路結構及演算法（ bp演算法） ，特別提及了能夠較好描述系統動態性能的對角遞歸神經網路和在用遞推預報誤差演算法訓練drnn時取得了較快的收斂速度。其次，應用工程方法分析設計了tf - 1350糖分離機的電流、轉速雙閉環直流調速系統的控制器，作為引入神經網路控制的設計基礎，並建立了系統的模擬模型。
  4. When radio waves pass through half of the first jump distance, the effects of meteor trails scattering on a radar system are investigated

    計算了電波經電離層跳躍前進的過程中，流星余跡散射對後向散射超視距雷達系統性能如作用距離和發現概率等的影響。
  5. It is shown that under the action of the shock, the region current moves towards the midnight, accompanied by a successive occurrence of two fac structures : an anomalous fac pair of opposite direction to the region current and a new region current of the same direction

    模擬結果表明，在激波的作用下，電離層區電流系統向子夜方向運動，在向陽側相繼出現與原區電流反向的異常場向電流對和同向的新生區電流對。
  6. In simulations, all important phenomena, such as non - neutral sheath widening near cathode, cathode electron emitting, current channel migrating to the load side of the plasma, ion accelerating toward cathode and magnetic insulation of cathode emitting electrons etc, have been observed and depict the internal physics of this device. also presented is the influence of cathode emitted electrons on phenomena in the conduction processes of pegs. the simulation results show, without cathode emitted electrons, rapid magnetic field penetration takes place only in region near the cathode, with cathode emitted electrons, magnetic field penetration takes place in all plasma region

    診斷發現了陰極表面非中性鞘層的形成、陰極電子發射、電流通道的漂移、等離子體離子加速以及陰極電子磁隔離等物理現象，揭示了這一斷路器件的物理機制；分析了陰極電子對peos導通過程中的物理現象的影響，模擬結果顯示：忽略陰極電子作用，磁場滲透現象主要出現在陰極表面區域，考慮陰極電子作用，磁場滲透現象出現在整個等離子體區域。
  7. ( ii ) charging effects on temporal and spatial evolution of dusty plasma sheath in plasma source ion implantation. the temporal and spatial evolution of a dusty plasma sheath in plasma source ion implantation has been investigated with a fluid theory and a self - consistent dust - charging model. a negative potential pulse is introduced to form the plasma sheath

    （ ）塵埃粒子的充電效應對等離子體源離子注入（ ps ）鞘層時空演化的影響採用流體模型及自洽的塵埃粒子充電模型，我們研究了等離子體源離子注入時的塵埃等離子體鞘層的時空演化。
  8. The organic electroluminsecence devices : ito / tpd / alq3 / al were fabracated by reactive evaporating deposition and dc glow discharge plasma enhanced reactive evaporating ways. the effects of the organic film thickness on the electronic and optical property have been investigated

    使用真空蒸發沉積技術和直流輝光等離子體輔助反應蒸發沉積技術制備了四層結構的有機電致發光器件： ito / tpd / alq _ 3 / al ，對制得的器件進行了電學和光學性能的測試。
  9. This paper describes a reconstructive algorithm which is based on network theory for electrical capacitance tomography technic. there are twelve electrodes in the system. the permittivity distribution of flow with two components within a pipeline is reconstructed. assume the permittivity distribution of the region to be reconstructed. then whole measured area is discretized into a network composed of capacitance. the measurement circuit which contains a pair of source electrode and detecting electrode is taken as a four - terminal network. the across admittance of the four - teminal network is proportional to the capacitance between the source electrode and the detecting electrode. modify the distribution of the permittivity according to the difference between the calculated capacitance and measured capacitance. the experimental results show that this algorithm is effective and can coverge

    本文描述了一種用於兩種成份的流體成像的12電極電容層析成像新方法.該方法基於電路的網路理論，首先對重建區域假定一個介電率分佈，用電容網路作為離散化模型，將每一個源電極和探測電極對組成的測量電路看作一個四端網路，該四端網路的跨導與源電極和探測電極之間的電容值是線性關系，這個電容值和測量得到的電容值之間存在誤差，根據這個誤差對修正介電率分佈.通過對不同介質分佈作的模擬實驗結果，證實了該演算法是有效的，收斂的
  10. The results show that the ionosphere - weighted model or the tropospheric estimation, integrated with the partly - weigthed least squares, can improve, the success rate and the reliability of ambiguity resolution ; however, if the ionospheric delay or the tropospheric delay, which is modeled on random walk process or first - order gauss - markov process, is estimated with the kalman filter, it will reduce the success rate and the reliability of ambiguity resolution

    將電離層延遲作為零均值的隨機遊走過程（電離層加權模型） ，將對流層延遲作為靜態參數，採用非遞推形式的加權最小二乘法來估計，可以提高模糊度解算的成功率和可靠性。
  11. 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，對流層模型改正可以大大改善定位結果的精度，不過仍存在未模型化的對流層延遲誤差。將電離層延遲作為隨機過程來處理，可以提高定位精度；而將對流層延遲作為隨機過程來處理，則會影響定位精度。
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