遠場分佈 的英文怎麼說

中文拼音 [yuǎnchǎngfēn]
遠場分佈 英文
far field distribution
  • : Ⅰ形容詞1 (空間或時間的距離長) far; distant; remote 2 (血統關系疏遠) distant in relationship 3...
  • : 場Ⅰ名詞1 (平坦的空地 多用來翻曬糧食 碾軋穀物) a level open space; threshing ground 2 [方言] (...
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  1. Based on analysis of geologic foundation record about pingzhuang basin, a lot of sino - foreign geothermal geology record and investigation of field geology, measuring of ground temperature in person and geo - chemical analysis of ascension spring, gushing water of fault, the fact that the anomaly of geothermal gradient of pingzhuang basin, which is in region of low geothermal gradient, is caused by redistribution of conduction - oriented geothermal heat flow which is result from upheaval and depression of basin foundation bed is pointed out. after the field of ground temperature is simulated under the background of conduction - oriented geothermal heat flow by means of ansys, the characteristic of ground temperature distribution of top surface of basin foundation bed ( yixian team ) is revealed. the sound condition of transmissibility fault and feeding water source, which are imperative in formation of the low - medium temperature geothermal system of convective type, is possessed in pingzhuang basin

    通過對平莊盆地基礎地質資料、國內外大量地熱地質資料的析和野外地質調查、礦井實測地溫以及上升泉、斷層涌水的地球化學析等工作基礎上,指出地處低地溫梯度背景區的平莊盆地地溫梯度異常是由於盆地基底隆起和坳陷引起傳導型大地熱流再配所致;運用州sys數值模擬了大地熱流向地表傳導背景下的盆地地溫,從而揭示了盆地基底(義縣組)頂界面地溫特徵;闡明了盆地具有形成中低溫對流型地熱系統所必需的導水斷裂、補給水源等的良好條件,中低溫對流型地熱系統是地熱勘查的主要對象;圈定了平莊盆地北部朝陽溝?駱駝營子地熱勘查景區。
  2. Abstract : the far - field spot characteristics of laser converted by random phase plate are analyzed theoretically, including the shape, size, rotational symmetry and diffractive efficiency of the spots, as well as the distribution of subsidiary spot. by comparing the influence of phase element shape ( triangular, square and hexagonal ) on the characteristics, we found that the random phase plate with hexagonal array structure is more suitable for the beam smoothing in laser fusion

    文摘:從理論上析了激光經隨機位相板變換后在的光斑特性(包括光斑的形狀、大小、旋轉對稱性、衍射效率以及旁瓣) ,通過比較三種形狀位相元(等邊三角形、正方形和正六邊形)的光斑特性,得知正六邊形位相元結構的隨機位相板更適合於激光聚變中的束勻化。
  3. Abstract : based on 1 200000 aeromagnetic survey data performed in 1998, and referred to materials of geolo - gic and geochemical prospecting of the working area, this paper discusses the relationship between the characte - ristics of magnetic field, magmatic rocks, fault structure and the distribution of mineral resources, and investigates the geologic metallogenic environments, and sets up the prospecting criteria for hydrothermal and volcanic - sedimentary copper, lead, zinc, gold, iron, manganese deposits, then makes the prognosis of the prospecting potential of the working area

    文摘:本文以1998年1 20萬航空磁測資料為基礎,參考地質和化探資料,對工作區磁特徵、巖漿巖、斷裂構造與礦產的關系進行探討,研究地質成礦環境,建立尋找熱液型和火山-沉積型的銅、鉛、鋅、金、鐵、錳礦找礦標志,對本區找礦景進行了預測。
  4. The vector - based plane - wave spectrum method ( vpws ) is improved, which can directly obtain the far field diffractive pattern depending on the output near field data in the bor fdtd meshes by use of the deduced formulas in this dissertation

    改進了平面波譜傳播演算法( vpws ) ,推導出的公式可以由borfdtd計算空間內的近輸出數據直接計算出的電磁
  5. Abstract : based on 1 50 000 high - precision aeromagnetic data of 1996 and consulting other geophysical and geological data, this paper has analysed the framework of basement structure and fault structure and, in particular, probed into the relationships of aeromagnetic field characteristics, basement structure and fault structure to the distribution of underground thermal water. on such a basis, the paper also makes a preliminary analysis of the prospects of underground water in this area

    文摘:以1996年1 5萬高精度航空磁測資料為基礎,參考其它地球物理及地質資料,對山東黃河口地區基底構造、斷裂構造格架進行了析,尤其是探討了航磁特徵、基底構造、斷裂構造與地下熱水的關系,在此基礎上對本區的地熱水景進行了初步的析。
  6. According to biot - savart law, the general expression of magnetic field distribution generated by circular current in space has been calculated in this paper, which further discusses the magnetic field in the plane, the central axis and the far space

    摘要直接由畢奧薩伐爾定律的計算公式,在更為普遍的情況下,計算出了圓形線電流在全空間的磁,並進一步討論了其在中心軸線上、平面內及區的磁感應強度。
  7. Many high - power microwave ( hpm ) sources utilize an azimuthally symmetric output mode such as the tm 01 circular waveguide or the coaxial tem mode as output mode. if radiated directly these azimuthally symmetric modes will generate a doughnut - shaped pattern, with a null on boresight

    許多高功率微波源產生的微波模式都是圓波導軸對稱模式,由於其輸出埠的口徑具有圓對稱性,將導致軸向為零的環狀方向圖。
  8. On the other hand, the electric field and intensity distributions of the he11 mode in the hollow fiber are calculated by using the exact solutions of maxwell equations based on the vector model, and the diffracted near - and far - field distributions of the he11 - mode output beam under the fresnel approximation are studies. we derive an analytical expression on the far - field distribution of the he n - mode output beam in free space and discuss its applicable condition. we also analyze and compare the differences between the he11 - and lp01 - mode output beams, and find that the near - field distribution of the lpoi - mode output beam is a gaussian - like one, but the near - field distribution of the he11 - mode output beam is a doughnut - like one, whereas the far - field distribution of both the lp01 - and he11 - mode output beams are a doughnut one

    此外,我們把中空光纖中lp _ ( 01 )模(標量模型)和he _ ( 11 )模(矢量模型)的以及它們各自的輸出光束的近遠場分佈進行了比較,發現兩種模式的輸出光束在近有很大的區別, lp _ ( 01 )模輸出光束在近是一個高斯,而he _ ( 11 )模輸出光束在近是一個中空光束,在兩種模式的輸出光束是基本一致的,這正是由於在中空光纖中採用了弱波導近似以後所引起的誤差。
  9. A simple and effective method is given to successfully simulate circular and different serrate type aperture ' s far - field diffraction and compared with the diffraction of hard - edged circular apertures

    摘要採用一種簡單有效的方法,模擬了光束經圓形孔徑和不同齒形光闌的衍射,並與經圓孔硬邊光闌的衍射作了比較。
  10. Working on laser diode fiber - coupling modules was summed up, they are, setting up the model of far - field distribution of laser array and the far - field characteristics of difference structures ; designing the temperature - controlled laser diode fiber modules, that has been used as a laser system with temperature - controlled and fiber - output ; realization with high - brightness laser diode fiber - coupling modules ; the fiber ' s application in the field of high power laser

    總結了自己在光纖耦合輸出激光二極體模塊方面所做的一些工作,建立了半導體激光器列陣光束模型,並結合具體參數析了不同結構的激光器列陣的光束遠場分佈特性,可以知道我們設計和優化激光器列陣的結構。設計並製作了光纖耦合模塊的溫度控制系統,並製作成溫控光纖輸出激光器半導體系統投入使用。
  11. The results show : laser beam far field intensity distribution deflect to the wave length increasing direction, the influence to laser beam far field intensity distribution of different inflow mach number is little than the influence of different inflow pressure ; flow field has more aberration to 1. 315um laser beam than to 10. 6um laser beam

    研究表明激光束強度都向流光程增大的方向偏折,噴流出口馬赫數的變化對激光束強度的影響較小,噴流出口壓力的變化對激光束強度的影響較強;在相同的流結構下,流對波長1 . 315 m激光束的干擾要明顯強于對波長10 . 6 m激光束的干擾。
  12. On the basis of theories of physics, geometrical optics and photometry, the optical properties of collimated light beam incident upon single fiber perpendicular to the fiber axis are studied. by exploring the behaviors of reflected light and transmitted light from single fiber, the distribution of the light is described and the proportionalities between the intensity of the reflected, transmitted and scatered light are obtained respectively, and the different laws governing the intensity of diffused light and transmitted light from single fiber between near and far field are discussed. experiments demonstrate that the decrease of projecting light in far field is in direct proportion for the increase of fiber diameter, which serves as the theoretical basis for a series optics equations, as well as for the designment for photoelectric deviccs for detecting fibers

    結合物理學的基本原理和幾何光學的基本規律以及光度學的基礎理論等三方面,研究了單纖維在平行均勻光束垂軸入射時的光學性質.析了單纖維反光和透光的特徵,光強及反射光、透射光和散射光的相對大小;討論了在近條件下,漫反射光和透射光光強的不同規律;通過實驗驗證了時,纖維的漫射光強度與纖維直徑成正比的關系
  13. Because the system error is ineluctable for mode, it is necessary to correct the simulation fielde effectively. in this paper, based on the idea of combined eof correction, the interannual simulation of sea surface wind stress anomalies of the tropical pacific ocean by lap two - level atmosphereic model have been corrected, result of corrected erperiment shows that the corrected field is more similar to the observation field, especially on the distribution of the space. three prediction experiments also shew that correcting scheme of combined eof can improve the interannual prediction veracity of model

    在本文中,基於「聯合自然正交展開誤差訂正」的思想,將中科院大氣物理研究所兩層大氣環流模式輸出的熱帶太平洋海表風應力異常的跨年度模擬進行訂正,訂正試驗的析結果表明,訂正後的熱帶太平洋海表風應力距平與相應觀測年際變率量的相似程度好於模式模擬的結果,尤其是在空間方面的改善非常顯著;三組跨年度訂正檢驗結果也表明,訂正後的跨年度預測結果明顯好於模式的預測結果。
  14. The obtained results has been shown that the temperature field of sfrc pavement structure is non - linearly distributed along its thickness. the temperature which is close to the surface changes quickly, whereas slowly which is far. under the affect of temperature field, the temperture stress of sfrc pavement structure is also distributed non - linearly. the deflection and stress responses of sfrc pavement structure are waved declingly under the effect of shock load

    計算結果表明:鋼纖維混凝土路面板結構的溫度沿其厚度方向呈非線性;在距路面表面較近的地方,溫度變化較快,而在距路面表面較的地方,溫度沿厚度方向的變化較為緩慢,整個圖形呈下凸形。鋼纖維混凝土路面板在上述溫度載荷的作用下,其溫度應力沿其厚度方向呈非線性
  15. With the modeling versatility in disk geometry and material, the 3 - d hybrid method can simulate accurately the readout of an optical disk with direct investigations on the 3 - d full - wave near - field distribution, the far - field pattern and the readout signal

    基於其在模型設定方面很好的通用性,此方法能夠準確的模擬光盤光學信號讀取過程,並能夠直接給出三維近全矢量衍射矢量衍射圖樣及輸出信號。
  16. Under the weakly guiding approximation, we derive the electric - field distribution of the lp01 mode in the hollow fiber. the far - and near - field distribution of the lp01 - mode output beam in free space is calculated numerically from fraunhofer and fressnel diffraction theory

    在弱波導近似下導出了中空光纖中lp _ ( 01 )模的電,數值推算了lp _ ( 01 )模輸出光束的和近
  17. Results indicate that species concentration distribution varies horizontally : when at a distance from the fire origin they show a 2 - layer distribution, suitable for applying 2 layer zone model ; and in the vicinity of the fire origin they show a gradual distribution, requiring the field model or multi - layer model for evaluation

    結果發現,煙氣成沿著水平方向呈現不同的特點,在離火源的位置呈上下兩層,符合兩層區域模型,而在離火源較近位置則遞變,則須用模型或者多層區域模型評估。
  18. The flat - tapped beam has a uniform transversal profile in the near field and a bell - shape profile in the far field. the study of such a type of beam is of practical interest in laser material processing and inertial confinement fusion ( icf )

    平頂光束具有近均勻,能量呈鐘形的特點,在激光材料加工和慣性約束聚變等應用中常需要這種類型的光束,所以研究平頂光束的傳輸具有重要的實用價值。
  19. In addition, this paper has analyzed and calculated the wave - guide mode theory, got the quantum well laser photic - field distribution ' s fluctuation equation, deduced the far - field distribution ' s mathematics model by the method of stepwise approached, and simulated the near - field and far - field about the laser with computer software. we utilized a pair of mode expand layers which can restricted in photic - field to narrowed the far - field comer about quantum well laser material structure ( the corner was about 21 ?

    另外本文還對光波導模式理論進行了理論析和計算,得到了量子阱激光器光的波動方程,利用逐步逼近的方法推導出了遠場分佈的數值模型,通過計算機軟體模擬出了激光器布圖,並利用模式擴展層對光的限製作用得到了窄發散角(約為21 )的量子阱激光器材料結構。
  20. Besides its nondestructive, fast, noncontact features, it can also detect from a long distant and in a large area. it can infer the working situation from the exploration of the objects ’ surface temperature distribution

    紅外熱成像檢測法具有無損、快速、非接觸、距離、大面積掃測等優點,它通過探測物體表面溫度析物體的內部狀況。
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