dimensional field 中文意思是什麼

dimensional field 解釋
尺寸碼域
  • dimensional : adj. 1. 尺寸的。2. 空間的。3. 【數學】因次的;…次(元)的。
  • field : n 菲爾德〈姓氏〉。n 1 原野,曠野;(海、空、冰雪等的)茫茫一片。2 田地,牧場;割草場;〈pl 〉〈集...
  1. Application of three - dimensional enhancing angiography in low field mr

    頸動脈成像的臨床應用
  2. Applying the information extracted from numerous hydrographic data of field trials collected by h / hcs - 017, the first set of multi - beam swath bathymeter developed in china, a series of mosaic techniques have been carefully studied in this thesis, including digital terrain model building, statistical error analyzing, hydrographic data mosaicking as well as tides correction and projection of the earth coordinates. finally, standard digital sea - charts and three dimensional seafloor images are successfully developed that are consistent with hydrographic surveying principles

    本文利用我國第一臺h hcs ? 017型條帶測深儀的測量數據進行拼圖技術的研究,主要研究的內容有:利用分帶原理對深度數據進行潮汐修正,得到瞬時海面的深度數據;對測深數據進行誤差分析處理,去除野值;將多波束數據進行坐標變換及投影轉換后構建數字地理模型,進而根據海道測量規范繪制標準海圖。
  3. The three - dimensional topography figures of major typical hydrothermal regions are drawn on the basis of field - measured bathymetric data of the okinawa trough and collecting a large number of data on bathymetry, multibeam and seismic profiles of other major typical hydrothermal regions

    在沖繩海槽熱液活動區實測水深資料的基礎上,廣泛收集了其他典型熱液活動區的水深、多波束、地震剖面等資料,據此繪制出主要典型熱液活動區的三維地形圖。
  4. Besides that ray theory is helpful to calculate three - dimensional sound field, and the inversion of sound field could be finished quickly enough to realize the detection of ocean environment in wide area

    特別是射線理論對解三維聲場尤為方便,它將有望實現三維聲場的快速計算和聲場的反演,達到海詳環境的監測目的。
  5. A highly efficient numerical algorithm by using multi - grid method ( mgm ) is introduced to solve the three dimensional field distribution in the present paper. formulae of the restriction and prolongation in mgm computation is deduced, and a 3d program of mgm is accomplished, which can solve the field distributions in electron optical systems for various electrostatic lenses. the 3d field distribution in an electrostatic concentric spherical model is tested with mgm algorithm and an algorithm based on finite difference method ( fdm ) respectively. comparing these two results in view of computational efficiency and computational accuracy, it appears that mgm is superior to fdm in solving electrostatic field distribution for the electron optics problem. this paper shows that the 3d field computation using mgm greatly improves the computational efficiency of field distributions in electron optical systems and shortens the computational time

    本文將一種高效率的數值計算方法? ?多重網格法引入三維靜電場分佈的計算,多重網格法利用限制和延拓可迅速求得滿足精度要求的場分佈.研究了求解各種靜電透鏡電子光學系統三維場分佈的多重網格法程序,驗算了靜電同心球模型的三維場分佈.通過與目前在場計算中常用的有限差分法進行比較,可以看出多重網格法的計算效率和計算精度優于有限差分法.本文表明利用多重網格法計算三維場大大提高了場分佈的計算效率,縮短了計算時間,因此為后續計算打下了良好的基礎
  6. A one - dimensional oceanic mixed layer model with the m - y level - 2. 5 turbulence closure schemes is employed. the rate of energy loss by breaking waves is estimated by parameterization and incorporated into the model as a source of turbulence kinetic energy ( tke ) by modifying the existing surface boundary condition of tke equation. the velocity field and turbulence energy budget are calculated under different forcing conditions ( the results given below are for a wind speed of 20 m / s. )

    採用一維2 . 5階湍封閉混合層模式,根據參數化方法對波浪破碎導致的能量耗散率進行了估計,通過改變湍動能方程的上邊界條件引入波浪破碎對湍動能生成的影響,計算了不同風應力強迫下的混合層流場結構和湍能量收支(下述給出的結果是取風速為20m s得到的) 。
  7. Taking the eighteen javelin throw techniques of nine javelin throwers out of the top ten ones of the national track & field men ' s javelin throw as the objectives of study, a three dimensional motor analysis was made to the right side body movement of the athletes after they finished the right leg cross steps

    摘要以全國田徑大獎賽男子標槍比賽前10名中的9名右手投槍選手的18人次投擲技術作為研究對象,運用文獻資料法、數理統計法、三維錄像解析法對我國優秀男子標槍運動員交叉步結束右腳著地前後身體右側動作進行了運動學分析。
  8. The researches indicated : ( 1 ) the seepage flow field of infiltration diversion is characterized by three - dimensional, saturated and steady flow. there is the close hydraulic relationship between the river and the groundwater in the filtering bed, and the groundwater is confined

    研究表明: ( 1 )滲濾取水的滲流場具有典型的飽和三維穩定流特徵;滲濾取水濾床中地下水與河流的水力聯系比較緊密,濾床中的地下水處于承壓狀態。
  9. The major work is as follows : solution of two dimensional radiation or diffraction fluid field. this thesis extends multipole expansion method to adapt to disturbed fluid fields of 2d floating bodies with asymmetric forms, which is applied with symmetric forms originally. and given the solution of potential velocity and hydrodynamic pressure of radiation and diffraction fluid fields, which is incited by a 2d arbitrary form, actual application field of the multipole expansion method has been enlarged

    關於二維擾動流場的求解:將通常僅適宜求解具有對稱形狀二維物體擾動流場的多極展開法(保角變換方法)擴展至非對稱形狀二維物體,給出了任意形狀二維物體的輻射和繞射流場的速度勢及水動壓力的頻域解,進一步擴大了多極展開法的實際應用范圍。
  10. Numerical simulation study on three - dimensional velocity field of fluvial channel current

    河道水流三維流速場的數值模擬研究
  11. In this article, the fundamental principle and current research of optical data storage including cd and dvd, three - dimensional optical data storage and near - field high - density optical data storage are summarized. a two - dimensional finite difference time domain program for analysis of solid immersion lens system is compiled

    本論文概述了已產業化的以cd和dvd為代表的光盤存儲技術和在開發中的高密度光存儲技術(主要包括三維光數據存儲技術及近場光學超高密度光存儲技術)的原理及研究現狀。
  12. Field distribution of one - dimensional kerr nonlinearity photonic crystals

    非線性光子晶體中的場分佈
  13. From the model study of the fractal random rough surface, we acquire one dimensional ? two dimensional fractal random rough surface model with fractal theory ; 2. the calculation of the scattering field of light ; the establishment of the scattering light ’ intensity model, and the number calculation of the intensity distribute ; 3. the study on the laser radar cross section of one - dimensional fractal rough surface target ; and the number calculation of the scattering intensity of two - dimensional fractal the rough surface target ; 4. through shadowing effect, we analysis light scattering characteristic of fractal rough surface

    本論文利用分形理論得到一維?二維分形隨機粗糙表面模型,研究光在一維?二維分形粗糙表面的光散射特性,主要從以下四個方面分析: 1 .自仿射分形隨機粗糙表面模型探討,採用分形理論得到一維?二維分形隨機粗糙表面模型; 2 .分形粗糙表面散射光場的計算和粗糙表面散射光強角分佈的模型建立和數值計算; 3 .一維分形粗糙表面目標的激光雷達後向散射截面lrcs研究和二維分形粗糙表面目標散射強度數值計算; 4 .引入遮蔽效應分析分形粗糙表面光散射特性。
  14. As silicon is the most important semiconductor material in micro - electronic field, one - dimensional nano - structures of silicon play an important role in the fields of device assembly, nanometer - size magnetic device, photoelectronics, and have drawn wide interest in the world

    摘要作為微電子領域最重要的半導體材料,硅的一維納米結構在器件組裝、納米尺寸磁性器件、光電子等領域具有重要的作用,已經成為國際上材料科學研究的一個熱點。
  15. First, in order to verify the correct of this retrieval month, by using the data of three - dimensional wind field, raininess field and temperature field that are output by mm5 numerical simulation, we climate the radial velocity field and echo intention field in the in - phase observation area of dual - doppler radar, then, on the base of the upwards retrieval theory and using the radial velocity field and echo intention field in the in - phase observation area of dual - doppler radar, we retrieve the atmospheric three - dimensional wind field

    首先,為檢驗此種反演方法的可靠性,我們使用mm5數值模式輸出的三維風場、雨強場、溫度場等數據,分別模擬生成兩部雷達同步觀測區的徑向速度場和回波強度場,然後根據以上的反演理論利用模擬的雙多普勒天氣雷達觀測到的徑向速度場和回波強度場反演出大氣三維風場。
  16. The transport of reb is examined by 2d3v particle simulation in the xy plane. the filamentation and coalescence of currents and related magnetic field pattern, caused by the two - dimensional electromagnetic - beam - plasma ( embp ) instability, are observed

    在xy平面上對電流輸運過程進行了2d3v粒子模擬,觀察到電流絲的形成、聚合和磁場產生。
  17. Shadow dimensional field now at full strength

    陰影空間場現在全開。
  18. However, the research and application are limited within two - dimensional field

    然而對面積測量的研究應用均局限於平面。
  19. In this thesis, not only the two - dimensional field problem, but also the simple three - dimensional model are explored and calculated, and the results are satisfactory by comparing with the real ones

    本文以二維場為主要研究對象,同時對三維模型進行了探索,得到了比較理想的結果。
  20. Numerical solution is mainly applied for this problem. adopting certain assumptions, this paper presents an approximate method of obtaining the temperature field by green ' s function, and gives the solution of a two - dimensional field involving a circular vacant flaw

    通常採用數值計算,本文通過採用一定的假設條件,提出了溫度場解析求解的近似方法,並對含有二維圓形空腔缺陷的試件溫度場進行了求解。
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