非均勻地面 的英文怎麼說
中文拼音 [fēijūnyúndemiàn]
非均勻地面
英文
nonuniform terrain-
In the technique of pre - processing on night vision images, such algorithms as image registration, non - uniformity correction, image enhancement are mainly studied and realized. an innovatory algorithm of full - scale non - uniformity correction on ir images is presented and an arithmetical progression histogram equalization algorithm in the enhancement of image is validated and developed in this dissertation
在夜視圖像預處理技術方面，主要研究實現了圖像配準、非均勻校正、圖像增強等演算法，並創新性地提出了紅外圖像基於全局的非均勻校正演算法，驗證並發展了等差數列直方圖均衡圖像增強方法。When an inhomogeneous plane wave is introduced into a dense dielectric layer, it can bounce between the two boundaries.
把一非均勻平面波引進折射率較高的介質層時，它會在上下界面間來回地「彈」射。Regard - ing the surface runoff mechanism, liang and xie 1, 2 presented a new surface runoff parameterization which dynamically represents both the horton and dunne runoff generation mechanisms within within a model grid cell together with a consideration of the subgrid - scale het - erogeneity, which can be applied to not only humid regions but also droughty regions as well 3, 4. regard - ing the soil water movement, xie et al. 5 developed an unsaturated flow numerical model based on the finite element method, and xie et al. 6 presented another numerical model to compute soil moisture and water flow flux together by means of a mixed finite element method
在地表徑流方面，文獻1 3發展了一種同時考慮蓄滿超滲產流機制及次網格非均勻性的新的徑流機制模型，並用其改進了陸面模式vic variable infiltration capacity中的徑流計算，該模型既適用於濕潤地區也適用於乾旱地區4 .在土壤水模型方面，文獻5採用有限元質量集中法發展了非飽和土壤水流的數值模型，文獻6則採用混合有限元法建立了非飽和土壤水分含量和通量計算的數值模型Quasi - stationary state of convective boundary layer over heterogeneous flat surfaces
平坦非均勻地面對流邊界層的準定常態However, to hydrological cycle which contains the processes of preciptation, run - off, evaporation and storage of soil water, the heterogeneity of physical and ecological characteristics of soil surface and their description method and the hydrologic flux to land surface is still a challengeable problem in modeling of land surface
然而，對于包括降水、徑流、蒸發，土壤層儲水等環節在內的整個陸面水分循環過程來說，地表物理和生態特徵的非均勻性及其描述方法和陸面水文通量參數化問題，迄今仍然是困擾陸面過程模擬的挑戰性難題之一。The analysis on the test result shows that the temperature distribution in cfst members caused by solar radiation is nonlinear, and the nonlinear character is most evident when center point of concrete gets its lowest temperature. the temperature of the center point is affected by various directions, especially the strong potential. in the side exposed to the sun in the afternoon, apart from the center point, temperature varies laggardly when the point of concrete in the same series is more close to the center
結果表明，日照作用下截面的溫度場為非均勻場，混凝土中心的溫度達到最小值時，截面溫度場的非線性特性最明顯，圓心點的溫度受各個方向溫度的共同作用，更多地受到強勢方向的影響;下午時處在向陽面的各系列，同一系列上混凝土各點溫度變化隨直徑縮小趨緩，越靠近圓心，溫度變化越緩和，對外部環境（包括氣溫與日照）的影響呈滯后現象越明顯;而在下午時處在背陰面的各系列除圓心點外，同一系列上越靠近圓心的混凝土測點，溫度變化越緩和。By employing the theory of operator representation, the reflection / transmission operator is decomposed into the form of double domains in the scheme, so it is adaptable to laterally heterogeneous media and fluctuating reflectors, can mimic ava of reflections when the incident angle is less than 45
文中利用運算元可分表示理論將反射透射運算元分解成適合於雙域（空間域和波數域）運算的表達形式，使得本文得到的地震波數值模擬演算法可適應於一定程度橫向非均勻介質和界面起伏情況，在入射角小於45時能夠準確模擬振幅隨入射角（ ava ）的關系。Linear elastic dynamic fracture mechanics are adopted to analyze the working characters of the semi - rigid asphalt pavement with the reflective cracking. it is successful to simulate the crack expansion process based on elastic damage theory, at the same time the fatigue life is forecast. the research findings are valuable for the pavement engineering practice on the soft clay ground
本文分析路表變溫對軟土地基上半剛性路面結構體的作用時，考慮了路表降溫導致瀝青混凝土回彈模量的非均勻性，採用線彈性動斷裂力學分析軟土地基上含反射裂縫半剛性路面結構體的工作性狀。Another algorithm is based on pixels : sample many points along the curve, round them to the nearest integer and set each pixel the computed point falls in. although this algorithm uses integer arithmetic, it provides the smooth curve possible at the expense of computation time as many points have to be computed to ensure that no gaps are created along the curve. furthermore these two algorithms we mentioned above is appropriate for low degree parametric curves, for high degree parametric curves, we usually approach them by using low degree rational parametric curves, the generating curve ' s fairness property is not very good
我們知道當節點矢量的兩端節點均為k重節點且無內節點時， b樣條基函數退化為bemstein多項式，因此該生成演算法還可推廣到b能ier曲線中，具有廣泛的應用價值、同樣地，在cad和cagd中，有理b樣條曲線，特別是非均勻有理b樣條曲線（ nurbs ）已經成為曲線曲面設計中最廣為流行的技術，然而對這些曲線目前也尚無很好的曲線生成演算法，因此有理b樣條曲線的生成演算法無疑有著更重要的意義The application of transverse resonance theory is firstly extended further from plane homogeneous medium to the inhomogeneous spatial region by primarily combining the current martcatili method. then the simplex method is used to calculate the source point " s best position, frequency and the correspond wavenumber of the region
重點結合已有的marcatili法，首次將橫向諧振法從平面均勻分層介質中的應用進一步延伸到模擬地殼波導的三維非均勻空間區域中，再利用單純形法，確定源點在該區域的最佳位置、最佳頻率和對應的傳播常數。In this paper, starting with the physical mechanics of land surface hydrologic process and the introduction of the theory in probability statistic distribution, an analytical expression of heterogeneous evapotranspiration efficiency is given which takes heterogeneous soil water content ' s subgrid scale spatial variability into account, through which the parameterization scheme of subgrid scale soil surface ' s evapotranspiration efficiency ( which is generally called mosaic method ) is modified to a statistic - dynamic scheme in which a whole heterogeneity of the grid region is considered
本文從陸面水文過程的物理機制出發，引進概率統計分佈理論，推導出一種由非均勻土壤含水量次網格尺度空間變率所形成的非均勻蒸發散率解析表達式，從而將通常的次網格尺度地表蒸散率的參數化方案（ mosaic方法） ，改進為考慮網格區整體非均勻性的統計-動力參數化方案。Using the microwave selective heating property for materials, by setup equivalent equation, and first time inducing the electromagnetic field perturbation theory to the design of heating materials for substrate in mpcvd, three temperature distribution modes were established, including temperature distribution comprehensive mode of inhomogeneous plasma, temperature distribution composite mode of composite substrate materials, temperature distribution perturbation mode of composite materials, which ii provided an whole new technology route to the design of substrate heating system in mpcvd and guided the preparation of heating materials for substrate. and then the heating materials for substrate were designed and optimized to obtain large area homogeneous temperature distribution even larger than substrate holder ' s diameter. as an important part, this thesis researched the nucleation and growth of diamond films in mpcvd, systematically researched the effects of substrate pretreatment, methane concentration, deposition pressure and substrate temperature etc experimental technologic parameters on diamond films " quality on ( 100 ) single crystal silicon substrate in the process of mpcvd, characterized the films qualities in laser raman spectra ( raman ), x - ray diffraction ( xrd ), scanning electron microscopy ( sem ), infrared transmission spectra ( ir ), atomic force microscopy ( afm ), determined the optimum parameters for mpcvd high quality diamond in the mpcvd - 4 mode system
該系統可通過沉積參數的精確控制，以控制沉積過程，減少金剛石膜生長過程中的缺陷，並採用光纖光譜儀檢測分析等離子體的可見光光譜以監測微波等離體化學氣相沉積過程；利用微波對材料的選擇加熱特性，通過構造等效方程，並首次將電磁場攝動理論引入到mpcvd的基片加熱材料的設計中，建立了非均勻等離子體溫度場綜合模型、復合介質基片材料的復合溫度場模型及復合介質材料溫度場攝動模型，為mpcvd的基片加熱系統設計提供了一條全新的技術路線以指導基片加熱材料的制備，並對基片加熱材料進行了設計和優選，以獲取大面積均勻的溫度場區，甚至獲得大於基片臺尺寸的均勻溫度區；作為研究重點之一，開展了微波等離體化學氣相沉積金剛石的成核與生長研究，系統地研究了在（ 100 ）單晶硅基片上mpcvd沉積金剛石膜的實驗過程中，基片預處理、甲烷濃度、沉積氣壓、基體溫度等不同實驗工藝參數對金剛石薄膜質量的影響，分別用raman光譜、 x射線衍射（ xrd ） 、掃描電鏡（ sem ） 、紅外透射光譜（ ir ） 、原子力顯微鏡（ afm ）對薄膜進行了表徵，確立了該系統上mpcvd金剛石膜的最佳的實驗工藝參數。And then, a example is given about calculating regional average water mass and thermal flux exchanges at land - atmosphere interactions in yangtze river lower by a statistical - dynamical approach through combining remote sensing data with ground measurement data
從野外觀測事實的基礎上討論下墊面非均勻性對地表水熱通量的影響；然後以長江三角洲為例，將遙感觀測資料和常規資料結合起來計算區域平均水熱通量。As for non - uniform horizontal ground stress, it is realized generally by applying non - uniform pressure load on the lateral boundary / boundaries of the calculation model
對于非均勻的水平地應力，一般是在計算模型的側面邊界上施加非均勻荷載來實現。Variational image sampling was employed for focus windows selection, and the harmony between resolution and field of view was implemented. a human face extracting method based on color, shape and detail features was proposed, in order to overcome restriction of method based on skin detection. a method using optical flow was introduced to segmenting moving human face in focus images, and has better perspective in surveillance situation
我們從多方面進行探討，提出用統計手段分析成像主體最可能被放置的區域，有效地減少了成像主體不在中心時引起的誤對焦；提出用解析度空間變化的手段對圖像進行非均勻采樣，達到解析度與視場的協調；提出通過顏色、形狀和細節三方面進行人臉探測，有效地克服了單純靠皮膚進行探測的局限：提出基於光流場的方法分割圖像中的人臉，適用於監控場合。Large - eddy simulations are carried out for the adjustment of convective boundary layer over heterogeneous surfaces. simulations are confined for zero mean - wind and flat terrain. surface heat - flux is set varying in
研究限於無風平坦地形條件，地面熱通量在一個水平方向作非均勻變化平均地面熱通量為0 . 15kmsWith these three calculated parameters, the attenuation factor value of the radio wave propagation in the earth ' s crust is calculated by the ways of plane wave method and communication formula method, and the value of the leakage on the ground is also calculated by the inhomogeneous medium ' s field analysis method
據此三種參數，利用平面波法和通信公式法計算出電波在地殼中傳播的衰減因子值，以及利用非均勻介質的場分析法計算出地面場強泄露衰減因子值。Image and vision computing, 1999, 17 : 489 - 499. 4 gottschalk p g, turney j l, mudge t n. efficient recognition of partially visible objects using a logarithmic complexity matching technique. the international journal of robotics research, 1999, 8 : 110 - 131
它從以下幾方面解決以上問題：第一，高尺度的分析突出了圖像的高頻部分，因此能夠更準確地匹配圖像特徵第二，利用非均勻有理b樣條表示圖像畸變，這對大多數現實的圖像幾何畸變都適用。Wavelengths or scales of surface heterogeneity are less than 20km. simulation results show that cbls do reach a quasi - stationary state correspondent to specified surfaces, after a long enough evolution. in this transition process and after that, horizontal statistics, i. e. mean potential temperature and vertical heat - flux, show profiles little differences to those over homogeneous flat surface. main effect of surface heterogeneity is to increase kinetic energy in cbl and the increase concentrates in the direction of surface heterogeneity. the time of cbl spent to reach its first peak of mean kinetic energy,
模擬結果表明，在充分長的時間后，邊界層達到一種適合於地面條件的準定常態。這種準定常態和向其過渡的過程中，水平平均的邊界層廓線性質，如平均位溫廓線垂直熱通量廓線等幾乎與平坦均勻地面的結果相同，或差異極小。地面非均勻性的主要作用是使邊界層動能增大，並以地面非均勻性變化方向的動能增加為主。According to the regional evapotranspiration analytical expression of heterogeneous soil surface applicable to moist climate region which is put forward in this paper, on one hand, soil water absorption is calculated under the consideration of the hydrological condition and hydraulic characteristic of soil surface ; on the other hand, using improved k - b model which is based on penman formula, the potential evaporation power is calculated
基於本文所提出的適用於濕潤氣候區非均勻地表的區域蒸散率解析表達式，一方面，充分考慮土壤表層水分狀況和水力學特性，計算土壤水分吸附力；另一方面，又充分考慮大氣條件，引進以penman公式為基礎的k - b模式（加以改進）計算潛在蒸發力。分享友人