數值內插法 的英文怎麼說

中文拼音 [shǔzhínèichā]
數值內插法 英文
numerical interpolation
  • : 數副詞(屢次) frequently; repeatedly
  • : 名詞1. (內部; 里頭; 里邊) inner; inside; within 2. (妻子或妻子的親屬) one's wife or her relatives 3. (姓氏) a surname
  • : 動詞1. (把細長或薄的東西放進、擠入、刺進或穿入; 插上; 插進) stick in; insert 2. (中間加進去; 加進中間去) interpose; insert
  • : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
  • 數值 : numerical value; numerial number; figure; magnitude; value數值表 numerical tabular; 數值天氣預報 ...
  1. Sequentially, the author discussed the technologies of medical image 3d visualization according to the clinical applications. with the development of computer, 3d visualization and computer graphics, the 3d visualization of medical images has progressed from fourier transform and convolve inverse projection to mpr ( multi - planar reformation, mpr ) and mtp ( maximum intensity projection, mtp ), nowadays, the real 3d reconstruction method, surface and volume rendering has risen. the image registering, image segmentation, pixel data set construction and 3d special interpolation are the key technologies in medical images 3d reconstruction

    隨著計算機技術、三維可視化理論和計算機圖形學的發展,醫學圖像的三維可視化技術也從傅立葉變換、卷積反投影等基本圖像處理演算,發展到真正的三維重建演算:面繪制和體繪制;醫學圖像的三維可視化技術的應用也從三維醫學成像發展到虛擬窺鏡,以及今天的虛擬可視化人體研究;而圖像的配準、圖像分割、體據集的構建、三維空間則是醫學圖像三維可視化實現過程中的關鍵技術環節。
  2. According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d

    本文首先介紹了ld泵浦nd : yag激光器的發展狀況、主要特性及其應用,從四能級速率方程出發,推導了ld泵浦nd : yag激光器的閾、輸出功率和斜效率的表達式,並簡述了激光器的工作原理、結構型式和倍頻方;其次,以空間相關的速率方程為基礎,提出了ld端面泵浦nd : yag激光器的設計方,給出了一定泵浦耦合方式下,振蕩光模尺寸、最佳輸出耦合率、泵浦光模尺寸、泵浦光焦斑位置等參的選取依據,以此為依據,設計了自聚焦透鏡耦合小功率ld泵浦nd : yag激光器和透鏡組耦合高功率ld泵浦nd : yag激光器,對激光器的輸出功率和功率穩定性等特性進行了實驗研究;再次,在帶尾纖輸出的高功率ld泵浦nd : yag激光腔入一隻空液晶盒,觀察到了激光器以單縱模運轉;最後,根據泵浦光焦斑端面位置對激光輸出功率的影響規律,提出了ld端面泵浦nd : yag激光位移傳感新方,並進行了理論和實驗研究,研究結果表明:當激光晶體泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時,激光輸出功率的自然指與泵浦光焦斑的縱向位置成高斯變化規律,測量范圍和靈敏度依賴于泵浦功率,隨著泵浦功率的增加,測量范圍擴大,靈敏度提高,當端面泵浦功率為7 . 24w (最大輸出功率為1 . 926w )時,激光位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。
  3. The paper analyses the advantages and disadvantages of a large number of harmonic analysis methods and puts forward to a new algorithm in order to improve precision of fft, which is plural list and interpolating windowed split - radix fft ( srfft ). the simulating result shows that the algorithm can meet precision of harmonic parameters

    為了提高fft的精度,本文在分析目前國外各種諧波分析及測量方利弊的基礎上,提出了利用復序列加窗分裂基快速傅立葉變換( srfft ) 。該演算能極大地提高fft計算的精度,從而滿足諧波測量中對諧波參的精度要求。
  4. We obtained the uniform data distribution from discrete data points by inserting spatial dots and then set up digital elevation model ( dem ) of correlative area through constructing mutual linked triangle net. the isoline graph was implemented based on this model. during the processes, we combined the technology of stratification computing when inserting special dots in fault area with the technology of stratification triangle net in fault area for dealing with thrust data

    然後介紹了在本研究中構造逆斷層地質等線的基本思路:從離散據點結構出發,採用空間進行據的均勻化,通過三角剖分構造出相互連接的三角形網路結構來建立起相關區域字高程模型,利用該模型構造出相應的地質等線圖,其中使用擴展點與斷層區的關系屬性進行斷層區分層空間計算處理和斷層區域的分層三角形網格化處理相結合的技術,實現逆斷層據的處理和等線繪制。
  5. On basis of fractal theory and the principle of fractional brownian motion, this paper puts emphasis on the following parts : firstly, the determination of fractal non - scale range on calculate fractional dimension is discussed, which adopts method associated artificial cognition with track decision. secondly, primeval data are segmented into blocks to evaluate their sub - fractional dimensions. in this process, the maximal value of sub - fractional dimensions in different directions is prioritized

    本文利用分形幾何理論與分形布朗運動原理,重點研究和分析了以下的幾個問題:分形維計算時無標度區的確定,使用了人工與軌跡相結合的方;對原始據進行分塊分別計算其子分形維,考慮了實際地形特徵的方向性,計算得到的子維為局部的最大坡度方向上的方向維;改進了傳統的隨機中點移位( rmd )技術,使用不同的比系進行
  6. In this paper, the waterway curve plane function is established with move fit method to calculate the depth value of grid points, and in part fields linear method is adopted because of the distributing scrambling of waterway measure points. as a result of the use of two methods, not only the calculating precision is high but also the calculating speed is very fast

    本文選用移動擬合建立航道曲面函計算航道測量區網格點的深度,並且根據航道測量點分佈的不規則性進行了優化,即在測量點稀少的地方運用了線形代替移動擬合來進行計算,兩種的合理結合,不僅保證了的精度,特別是提高了的計算速度。
  7. The main body can be summarized as the following five sections : this paper firstly creatively builds the yield curve of our treasury securities by the method of regressive interpolation and spline. by the empirical study we can see that the method not only can build a smooth yield curve but also can predict the yield to maturity of any given term on the basis of the practical dealing data on the markets

    主體容可概述為以下五部分:論文首先創造性地把回歸和三次樣條結合起來構造了中國的國債收益率曲線,經過實證分析表明,該方可以以中國國債市場上的實際交易據為樣本,既能構造平滑的國債收益率曲線,又能預測任意到期期限的國債收益率。
  8. Thirdly, to improve traditional method ( midpoint displacement algorithm ), various coefficient scales are used in interpolating data. to the end of this paper, a series of experiments on interpolating data are conducted, which indicate that the interpolation improves the precision of results and avoids the creasing problem effectively

    利用已有的dem據進行幾種不同方計算,計算結果表明改進的隨機中點移位能有效地避免點附近明顯的「尖峰現象」 ,且精度有了一定的提高。
  9. In this scheme, hsv model & threshold segmentation method is used for contour line extraction, and the method combining automatic trace and manually trace is used for vectorization. finally, we use component interpolation to make dem data

    設計方案中用hsv模型結合閥分割實現等高線提取,使用自動跟蹤與手工相結合的方完成等高線的矢量化,最後採用分量生成dem據。
  10. A smoothing technique is combined with optimum approximation and finite element piece - wise interpolation in the method, it can simultaneously process measured vector components, imp ro ve smoothing capability of solution, space composed of original discrete points and increase the accuracy of the solution, especialy its derivatives

    該方結合最佳逼近、有限元分片與光順技巧,對測量向量各獨立分量進行處理,改善了原離散點構成的解空間的光滑性,提高了解尤其是導場的精度,在測量區域再現了光順向量函及連續的導
  11. We got the spatial distribution map of population density by spatial interpolation, in which the population data are distributed on the grids. the results of the distribution of interpolated based on gis is closed to a real population distribution. the combination of the spatial interactive models and a shortest path algorithm for public transit network is analyzed by supermarket ' s accessibility based on pedestrianism and public transit. this methods may be used to investigate potential supermarket ' s locations. the quantitative analysis about the supermarket ' s market area is realized based on trade mode of lashmanan and hansen, which mainly includes spatial distribution of population, traffic accessibility and free competition between different firms

    文中應用空間技術實現了人口據空間分佈化,將人口據通過空間分佈於研究區域,使人口空間分佈更接近實際;應用公交最短路徑演算及空間相互作用模型實現了基於步行和公交出行的超市可達性,將交通對超市選址的影響定量化,方便了方案的比選;在綜合考慮人口空間分佈、超市交通可達性、現有零售商業競爭態勢的基礎上,基於拉、漢購物模式實現了超市商圈定量分析。
  12. The errors in calculating derivatives for the gll collocation points are evaluated, which can be alleviated from o ( ( n4 ) to o ( ( n2 ) by the double - precision method proposed in the present paper, where ( denotes the machine precision and n the order of the interpolation polynomials in the elements

    文中對gll配置點下的求導誤差進行了分析,提出的雙精度方可以將求導誤差從o ( ( n4 )減小到o ( ( n2 ) ,其中(為機器精度, n為單元多項式階
  13. We propose a chaos - based generation of the random ppm - ps signals, design and implement a generator of the ppm - ps signals. we introduce an if sampling technique and simulate the performances of digital demodulation techniques of using hilbert filters, sine filters, bessel filters and poly - phase filters. the poly - phase filtering method can achieve the higher mirror - frequency rejection ratio by using the low order filters

    介紹了中頻采樣技術,並對希爾伯特濾波、辛格修正、貝賽爾函及多相濾波字解調演算進行了計算機模擬和性能比較,指出多相濾波能以較低的階實現較高的鏡頻抑制比。
  14. By means of the precise integration method with lagrangian interpolation the trajectory of the shaft center, the poincare mapping and the bifurcation graphs are numerically given. the results predicted by the floquet theory are checked and the long - term dynamic behavior of the system is predicted. it is shown that the system has rich nonlinear behaviors at some m combination of the four parameters, for examples, multi - frequency subharmonic resonance, as well as chaos phenomenon from doubling bifurcation and twice hopf bifurcation

    通過lagrange精細積分給出系統的軸心軌跡圖、 poincar映射圖、分叉圖,檢驗floquet理論預測結果並預測系統的長期性態,顯示系統在四個參組合的某些范圍具有豐富的非線性特性,還存在多形式次諧波解,以及由倍周期分叉、二次hopf分叉通往混沌的現象。
  15. The constructed surface is c2 continuous on the whole domain, and is a piecewise cubic parametric polynomial on every subdomains. the interpolating surface can preserve the convexity, concavity, inflection property and monotonicity of the data set. in the end, each algorithm brought forward in the paper is exemplified, at the same time, error is discussed

    3針對保形曲面問題,提出了一種于給定據點集的參型保形曲面演算,所構造的曲面在整個區域上是c ~ 2連續的,在每個子區域上是分片三次參多項式,並且保持被集的所有子區域的邊界及其部的軸向單調性、凸凹性以及拐點性質。
  16. On the basis of the deep analysis of the semiconductor device numerical analytical methods, using a pisces for dos as a kernel, we develop a software which can simulate the semiconductor devices under windows operation system. the software is programmed by mixed languages including visual c + +, fortran9o and matlab. so the problems such as mixed - language programming are solved and the interpolation algorithm on a triangle - partitioned planarity is realized

    在對半導體器件分析方和手段有深入分析的基礎上,以dos下的piscesii為核,綜合利用了vc + + , fortran90 , matlab等計算機語言,解決了混合語言編程的出現的如變量傳遞等多種難題,實現適用於三角形網格劃分二維空間的演算,開發了可以在windows操作系統下運行的一半導體器件模擬軟體,使得在windows下的器件模擬成為可能。
  17. Then the constant of peukert equation is calculated from the linear interpolation. simultaneity the characteristic curves of the battery capacity, electromotive force and inner resistance are fitted with least - squares. the maximal of relative error between the calculated values from the models and the experimental data is 2. 59 % under 50a discharge current

    利用peukert方程的變形式,用線性計算出鋰離子電池的peukert常;利用最小二乘擬合了該動力電池的容量特性、電動勢和阻特性曲線;在50a的放電電流下,學模型的計算與試驗結果的最大相對誤差為2 . 59 。
  18. In order to make full use of the materials of data section and compensate the losing data, then it was interpolated with the method of one unit three point or trend surface stacking and residual error interpolation, which make it to be convenient for the qualitative or half fixed quantity interpretation

    充分利用斷面據資料,然後用一元三點或趨勢面擬合加殘差疊加演算對缺失點進行,以補齊據斷面中損失的據點,使其便於進行定性或半定量解釋。
  19. The thesis finds out the trend of the urbane land value fluctuation, and presents a reasonable prediction on the land value in three years " time on the base of the fact that the demands on land for different usages have been increasing since 1988 and the analysis of the relevant fluctuation diagrams which come from the basic land value in 13 metropolises and the historical indexes of it in hunan by the combinational ways of average insert and average output. while studying the way of keeping the land value balanced among different regions, the author analysis the basic land prices of 13 cities in a systematic classifying way and labels them with 4 levels according to their own characteristics. at the same time, the land values are measured by relevant index with the consideration about the economic situation in the whole society

    本文在研究湖南省13個設區城市的基準地價和歷年地價指的基礎上,通過平均與外相結合的方,求出各城市自1988年以來各年度各類用途土地的漲幅,在此基礎上擬合出地價趨勢模型,分析對應的變化曲線,根據各城市地價的時間分佈特徵對未來三年的地價做出預測;本文在研究區域地價平衡時,首先採用系統聚類的方對各城市的基準地價進行聚類分析,最終將13個城市按照其地價特點分成了4個層次;其次採用相關系度量各城市地價與其他社會經濟發展變化的相關性。
  20. The intelligent inspection system of pipeline is established and the project database is designed, the interpolation and signature map of defect mfl signal data are solved effectively, the feature automatic extraction and intelligent evaluation of geometric parameters of the defects are shown and proved practical ; the whole process of pipeline inspection are given step by step, these results and conclusions help improve the pipe defect recognition and solve some difficult problems in the field of pipeline mfl inspection

    建立了管道(鋼管)缺陷漏磁智能檢測和據分析系統,設計了系統工程據庫,實現了缺陷漏磁場據的和圖像處理,完成了缺陷漏磁場特徵自動提取和缺陷外形尺寸的智能識別,給出了管道缺陷漏磁檢測的整個步驟和過程。這一切解決了國管道漏磁檢測的定量化、智能化的難題,補充了國外管道漏磁檢測的不足。
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