離子運動模擬 的英文怎麼說
中文拼音 [líziyùndòngmónǐ]
離子運動模擬
英文
ion motion analog- 離 : Ⅰ動詞1 (離開) leave; part from; be away from; separate 2 (背離) go against 3 (缺少) dispens...
- 子 : 子Ⅰ名詞1 (兒子) son 2 (人的通稱) person 3 (古代特指有學問的男人) ancient title of respect f...
- 運 : Ⅰ動詞1 (物體位置不斷變化) move; revolve 2 (搬運; 運輸) carry; transport 3 (運用) use; wield...
- 模 : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
- 擬 : 動詞1. (設計; 起草) draw up; draft 2. (打算; 想要) intend; plan 3. (模仿) imitate
- 離子 : [物理學] ion
- 運動 : 運動[舊時用語] arrange things or get things done through pull
- 模擬 : imitate; simulate; analog; analogy; imitation; simulation模擬艙 boilerplate; 模擬電路 [電學] circ...
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Engine parameter acquisition display system is an important member of helicopter seat room display system, and is made of engine parameter acquisition unit ( epu ) and engine parameter display ( epd ). epu is joined with engine electronic controller, fuel manage system, engine and accumulator by the wire. it acquire the parameter of engine, for example, analog signals, frequency signals and discrete signals, etc. then data processing, compare data and operation is executed
發動機參數採集器通過硬連線與發動機電子控制器、燃油管理系統、發動機及蓄電池相連,採集模擬量、頻率量及離散量信號等參數,並對採集的數據進行運算、比較與處理,最後通過標準rs ? 422a串口和發動機參數顯示器及其它設備進行通訊。Consisting of the protracting graph of hydrogen - like atom ' s angle distributing, computer simulation of the symmetry of molecular orbital and chemical reaction mechanism, showing the molecular point group and symmetry element, computer simulation of molecular vibration, bravias ' s crystal lattice and their transforming, extracting of plane periodic lattice, extracting of solid periodic lattice, close packing of isometrical pellet and the structure of simple mental substance, close packing of unequal pellet and crystal structure of representative ionic crystal, computer simulation of phase analysis by x - ray diffraction
內容包括類氫原子角度分布圖的繪制,分子軌道對稱性和反應機理的微機模擬,分子點群和對稱元素顯示,分子振動運動的微機模擬,布拉維晶格和晶格轉化,平面點陣抽取,立體點陣抽取,等徑網球的密堆積和金屬單質結構,不等徑圓球密堆積和典型離子晶體結構, x射線多晶衍射的微機模擬十個子模塊。In this paper based on the theory of the low energy electrons, the movement of the irons in the counter is analyzed. the theories of sputtering and secondary electron emission are discussed respectively. the irons " action and effect on the counter are putted forward
本文從低能電子發射機理入手,分析了計數管內部離子運動情況,討論了離子濺射和二次電子發射,提出了離子與計數管內壁相互作用及其對計數管的影響,給出了計數管內壁表面處理模擬圖。The generation of energetic ions during the interaction of a linear - polarized ultra - short ultra - intense laser pulse with solid targets are examined by particle simulation. three energetic ion populations are observed and the acceleration mechanisms are analyzed, respectively. the first population is pulled out from the target by the electron jet in front of the target
模擬觀察到三群高能離子的產生,並對其加速機制一一進行了分析:在靶的前部,向外噴射的高能電子在靶前形成電子云,將一部分離子拉出靶面,形成第一群高能離子;激光驅動大量高能電子向靶內輸運,這些電子牽引靶前部的離子向前加速,形成第二群高能離子:高能電子很快穿透靶,在靶后形成電子云,加速靶后表面處的離子,形成第三群高能離子。The control of beam halo - chaos becomes a critical problem in the development of high intensity accelerator. efforts to remove the halo by collimation have been largely unsuccessful since the halos almost always regenerate. the mechanisms of halos are complex, such as nonlinear resonances and chaotic behavior etc. considering this, professor fang jin - qing who works in china institute of atomic energy pointed out that the theory of chaos control can be used to control beam halos. he presented the method to control halos by using nonlinear functions, which means nonlinear function g is added to the right of ion radial self - edlctric force equation and some nonlinear function are selected to control beam halos in simulations. in paper [ 69 ], controllerg = - 0. 15sin ( rmax - am ) 2 was used and the halo intensity was decreased to 0. 1078, the halos are removed partly
束暈?混沌的控制是新一代強流加速器研製的關鍵問題,隨著強流離子束應用前景的日趨廣闊而日益成為研究的熱點。傳統機械限束器因無法解決束暈的再生而收效甚微,因為束暈的形成有著其內在動力學機制?非線性共振以及混沌等。基於此,中國原子能科學院研究員方錦清將混沌控制的理論和方法開創性的運用於束暈?混沌的控制上,提出了控制束暈?混沌的非線性控制策略,即在粒子徑向所受束自生場力方程的右邊加上非線性控制函數g :並選取一些非線性函數如等進行了控制的模擬研究,將束暈強度控制在0 . 1078左右,取得了初步的控制效果。Second part - the main contribution and research results of this paper are focused on as follows : ( 1 ) how to use the measurements of a dual frequency gps receiver to determine the ionospheric delay correction model for single frequency gps of a local range ; ( 2 ) how to separate the instrumental biases with the ionospheric delays in gps observation ; ( 3 ) how to establish a large range grid ionosphere model and use the gps data of chinese crust movement observation network to investigate the change law of ionospheric tec of china area ; ( 4 ) how to improve the effectiveness of correcting ionospheric delays for waas ' s users under adverse conditions. ( 5 ) how to establish the basic theory and the corresponding framework of monitoring the stochastic ionospheric disturbance using gps ( 6 ) how to improve the modelling ability of ionospheric delay according to its diurnal, seasonal, annual variations based on gps ; ( 7 ) how to meet the demand of correcting the ionospheric delay of high - precision orbit determination for low - earth satellite using a single frequency gps receiver 1 extracting ( local ) ionospheric information from gps data with high - precision the factors are systematically described and analyzed which limit the precision of using gps data to extract ionospheric delays
二、具體研究工作的系統報告,主要集中在以下幾方面:研究如何利用單臺雙頻gps接收機的觀測信息確定電離層延遲改正模型,為小范圍的單頻用戶服務;研究如何實時分離gps觀測中的儀器偏差與電離層延遲;研究如何建立較大區域的電離層格網模型,進而初步設想利用中國地殼運動觀測網路深入研究我國領域的電離層的電子濃度變化規律;研究單頻用戶在不利條件下,如何更好地利用電離層延遲改正信息;研究利用gps監測隨機電離層擾動的基本理論和框架方案;研究如何綜合顧及電離層的周日、季節和年變化,進一步提高利用gps模擬電離層延遲的能力;研究如何實現星載單頻gps低軌衛星的精密測軌中的電離層延遲改正要求。Main content in simulation is the spatio - temporal evolution of the set of descriptive variables characterizing tectonic mineralization state under coupling of various processes as following : ( 1 ) variables related to forming and property of ore - forming fluid, such as dissolution rate of minerals ( include metal minerals ) in rock, concentration and saturation of aqueous species in fluid, temperature, pressure, and ionic strength etc. ; ( 2 ) variables related to structural deformation and fluid flow, such as stress, deformation rate, fracture network, porosity, fracture permeability ; ( 3 ) variables related to precipitation and mineralization, such as nucleation rate of gangue and metal minerals, accumulation precipitation of various minerals, etc. ; ( 4 ) spatio - temporal coupling relation of various variables above, such as the coupling relationship between spatio - temporal evolution of fracture permeability and flow and focus of fluid and ore - forming
模擬的主要內容是在各種過程耦合作用下,以下描述構造成礦體系的主要變量的時空演化:與成礦流體的形成和性質有關的變量,如地層中礦物(包括成礦物質)的溶解速率、流體中各組分的濃度與飽和度、流體溫度、壓力、離子強度等;與構造變形和流體運移有關的各變量,如應力與變形速率、巖石孔隙度、構造(斷裂)滲透率等;與沉澱成礦有關的變量,如礦物(金屬礦物和脈石礦物)的成核速率、各礦物的沉澱量等;上述各有關變量間的時空耦合關系,如斷裂滲透率時空演化與流體流動、匯聚和成礦的耦合關系等。According to the finished system model based on an object - oriented approach and the process characteristics, a computer simulation model of container terminal logistics system is made based on the software of witness and is validated by the data of an actual terminal. at last the model is used to analyze the machine deployment and scheduling and provides the decision support for the terminal ' s production management
根據集裝箱碼頭物流系統模型,以實際碼頭的數據為原型,在對碼頭物流系統進行合理的簡化之後,藉助現代離散事件動態系統模擬語言witness ,建立了集裝箱碼頭物流系統的計算機模擬模型,它由外卡子模塊、大門子模塊、堆場子模塊、道路子模塊、泊位子模塊、水平運輸子模塊、船舶生成子模塊、碼頭作業計劃制定子模塊、性能參數子模塊九個子模塊組成。The magnetic distribution of a - magnet is presented by analytic way and numeric simulation way. the single particle movement is studied in a - magnet and the movement rule of charged particle in ideal four poles magnetic field also is obtained. quantificational results of the incidence angle, trajectory length and the maximal distance in x direction are presented for ideal trajectory, and the equation indicates some important characters of a - magnet
論文對-磁鐵的有關物理問題進行了較為詳細的論述,從解析形式和數值模擬兩個方面給出了-磁鐵的磁場分佈,對單個粒子在-磁鐵中的運動進行了分析,利用數值求解方法研究了帶電粒子在理想四極磁場中的運動規律,提出了歸一化運動方程和理想軌道等物理概念,定量給出了消色散的入射角、軌道長度和x方向最大距離的解析表達式。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。Second, monte - carlo method is used to simulate the transports of ions penetrating through the rf sheath in terms of the above sheath dynamic model. here, both elastic collisions and charge - exchange collisions between ions and neutral particles are considered. the effects of collisions on the distributions of ions energy and angle incident on the substrate were calculated
其次,利用已建立的碰撞等離子體鞘層模型和monte - carlo方法模擬了離子在射頻鞘層電場中的運動過程,不僅考慮了離子同中性粒子的電荷交換碰撞,還考慮了它們之間的彈性碰撞過程,研究了碰撞效應對入射到基板上的離子能量分佈和角度分佈的影響。The lattice boltzmann method is a rising method of numerical simulation. it comes from the discrete movement theory and has been applied to simulate fluid flow and heat transfer
格子boltzmann方法是一種新興的數值模擬方法,它從離散運動論出發,在介觀尺度上研究流體的流動和傳熱機理。Further measurements for the deposited films indicate that the appearance and the deposition rate of the films also vary. after we simulate the magnetic field in such case with c program, these variations are owed to distributed change of magnetic field near the target surface and in the discharging space, which can influence the motion of charged particles in the plasma obviously
進一步對沉積薄膜的測量表明,薄膜的沉積速率等發生了變化,通過對空間磁場進行模擬計算發現,由於空間外加的縱向磁場引起了放電空間中以及靶面附近磁場分佈的改變,影響了等離子體中帶電粒子的運動並最終導致了上述變化。A simulation method is proposed to predict the motion artifacts of plasma display panels ( pdps ). the method simulates the behavior of the human vision system when perceiving moving objects. the simulation is based on the measured temporal light properties of the display for each gray level and each phosphor. both the effect of subfield arrangement and phosphor decay are involved. a novel algorithm is proposed to improve the calculation speed. the simulation model manages to predict the appearance of the motion image perceived by a human with a still image. the results are validated by a set of perceptual evaluation experiments. this rapid and accurate prediction of motion artifacts enables objective characterization of the pdp performance in this aspect
針對目前等離子顯示屏普遍存在的運動偽像問題,提出了一種新穎的模擬計算方法,該方法實現了對等離子體顯示屏運動偽像的準確、快速估計.該方法通過測量等離子顯示屏不同顏色不同灰度下光信號隨時間的變化情況,模擬人眼對運動圖像的視覺感知行為,模擬計算出任意圖像以一定速度運動下的視覺感知效果.新演算法不但加入了等離子顯示屏熒光粉的延遲效應的影響,而且提高了模擬計算速度.所得模擬結果與實際主觀視覺感知實驗相符.這種快速準確的估計使對等離子顯示器件運動偽像的客觀評價成為可能Abstract : a simulation method is proposed to predict the motion artifacts of plasma display panels ( pdps ). the method simulates the behavior of the human vision system when perceiving moving objects. the simulation is based on the measured temporal light properties of the display for each gray level and each phosphor. both the effect of subfield arrangement and phosphor decay are involved. a novel algorithm is proposed to improve the calculation speed. the simulation model manages to predict the appearance of the motion image perceived by a human with a still image. the results are validated by a set of perceptual evaluation experiments. this rapid and accurate prediction of motion artifacts enables objective characterization of the pdp performance in this aspect
文摘:針對目前等離子顯示屏普遍存在的運動偽像問題,提出了一種新穎的模擬計算方法,該方法實現了對等離子體顯示屏運動偽像的準確、快速估計.該方法通過測量等離子顯示屏不同顏色不同灰度下光信號隨時間的變化情況,模擬人眼對運動圖像的視覺感知行為,模擬計算出任意圖像以一定速度運動下的視覺感知效果.新演算法不但加入了等離子顯示屏熒光粉的延遲效應的影響,而且提高了模擬計算速度.所得模擬結果與實際主觀視覺感知實驗相符.這種快速準確的估計使對等離子顯示器件運動偽像的客觀評價成為可能分享友人