次插值演算法 的英文怎麼說

中文拼音 [chāzhíyǎnsuàn]
次插值演算法 英文
bicubic interpolation
  • : Ⅰ名詞1 (次序; 等第) order; sequence 2 [書面語] (出外遠行時停留的處所) stopping place on a jou...
  • : 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
  • : 動詞1 (演變; 演化) develop; evolve 2 (發揮) deduce; elaborate 3 (依照程式練習或計算) drill;...
  • : Ⅰ動詞1 (計算數目) calculate; reckon; compute; figure 2 (計算進去) include; count 3 (謀劃;計...
  • : 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...
  1. This paper presents monomodality registration of rigid body, elastic rigistration of non - rigid body and interpolation used in image registration. by comparison of several interpolations, because of the best tradeoff between accuracy and the computational cost, cubic spline interpolation is selected as interpolation of this paper ' s registration

    首先通過對配準中所採用的幾種進行了比較,選出了有較高質量和有較高計效率的三樣條作為本文中配準方所採用的
  2. The result can be long distance reception of radio waves that would normally have been far beyond the radio horizon. the equations for ray tracing were given, simulating and tracing electro - magnetic wave duct propagation using spherical layered atmosphere mode, this method is very useful for analysis of radar echo distribution and confirm relation of stratification of atmosphere and ray duct propagation in the process of studying radar second product, introduce a new 3 - d interpolation method. outcome of this method can suit all kinds of density product

    在雷達二產品處理中,討論了一種新的三維,比以往在顯示每一個雷達二產品時,都作一相比,這種方既節省了總的機時,也提高了每個產品的顯示速度,在討論這種方后,用幾個產品的實例,說明了這種方是可行的,並且還討論了等線的生成原理,在「雷達二產品處理平臺」下,開發了visualc + +實現程序。
  3. In this thesis, some key issues of the vr technique are systematically investigated. firstly, for the image filters and image interpolation between slices, a integrated interpolation algorithm is presented based on the contour shape and correspondence matching, which keeps the shapes and grays information the objects of interest. secondly, the fidelity of effect of the vr for medical images is studied, and a continuous - gradient - based method for transparent volume rendering is proposed, which vivifies the results of volume rendering

    首先,研究了醫學斷層圖像數據的濾波及層間技術,提出了一種基於輪廓形變和對應點匹配相結合的混合,在實現圖像層間的同時保持了目標的輪廓形狀與灰度信息;其,對醫學影像容積重建效果的逼真度進行了研究,提出了一種基於連續梯度轉換函數的互動式透明體繪制方,使重建效果更加生動、真實。
  4. Then a low pass filter is designed to filter high - frequency noise in data. and smooth data again by means of central interpolation algorithm ; helicopter model with multi input single output are identified respectively in ls method and ml method

    ( 2 )剔除並補正了飛行實驗數據中的野;設計了一個低通濾波器來濾除數據中的高頻噪聲;用中心對數據二平滑。
  5. Thus the areas of the overlapping regions are compensated efficiently and the accuracy of measurement is highly improved. the volume of the bubbles can be estimated on the bubbles " area information, and a genetic algorithm ( ga ) based method is used to match and track bubbles in the image sequences, which solve tracking problem under complex conditions efficiently, such as some bubbles may have kinetic occlusion and crossover, some newly generated bubbles may entered into flow field and run away. a smooth kinetic locus is obtained by fitting the discrete centroids with a cubic spline function and at the same time the visual measurement is realized

    根據氣泡在圖像平面中的面積估計氣泡的體積,並對流場中的所有氣泡採用遺傳進行最佳的匹配跟蹤,有效地解決了氣泡群在流場中出現如遮擋、交又、新它『出現、逃逸等復雜情況下的準確跟蹤,並採用三樣條對離散的質心點軌跡進行擬合,得到氣泡在流場中平滑的運動軌跡,從而實現了摻氣水流特性的可視化測童。
  6. Concerning the problem of the frequency instability, slight but not negligible, in electric power system, this paper discusses the resultant error in measurement in detail and develops an error - correction interpolated algorithm in frequency domain. taking advantage of the high calculating speed of pc, the measurement error in frequency, amplitude, and phase are well eliminated

    本文針對電網頻率輕微但不可忽視的不穩定造成的測量誤差問題進行了詳細的討論,形成了一套在頻域實現誤差校正的方?,並利用pc機高速的數據處理能力軟體校正了各諧波的頻率、幅及相位。
  7. The water quality respond relation of input - output measurements are established by systematic theory in this paper. according to the peculiarity of hydrology and the necessity of water quality inverse problem the multi - parameter inverse problem model based on ordinary differential equation is developed. the existence and uniqueness of the solution of the ordinary differential equation about two parameters or multi - parameter are to be proved. the unstability depending on errors between monitoring data and interpolation approximate data are analyzed and demonstrated. cubic spline interpolation function, the least two multiply and positive rule method are conjoined for obtained solution of multi - parameter. the results from this algorithm indicats its efficient to the multi - parameter identification in water quality modeling

    本文應用系統理論,建立了水質多參數輸入輸出之間的響應關系;根據河流水文水質變化特點和參數反問題的需求,建立了水質常微分方程多參數反問題模型.根據常微分方程參數反問題的數學理論,作者給出了兩參數和多參數水質常微分方程反問題的解的存在性、唯一性的理論證明過程和結論;還針對水質現有監測資料的測驗誤差和近似計誤差造成參數反問題的不穩定性,將三樣條函數、超定方程最小二乘和正則化有機地結合使用,成功地給出了水質參數反問題的穩定化.最後給出了應用計結果
  8. A new step - by - step integral procedure of dynamics equations is presented. the general expression of the solution of dynamics equations is obtained on the basis of the homogenous analytical solutions of dynamics equations and duhamel integration. the explicit analytical integration algorithm, which is characterized by fourth - order accuracy, self - starting and self - correcting, is employed to discretize the equivalent load terms

    另外提出了求解動力學方程的一個新型的逐步積分,基於線性動力學方程的解析齊解及duhamel積分,構造出適用於非線性動力學方程解的一般積分表達式,對包含非線性項的非齊項採用近似的方,得到一個單步顯式、自起步、預測校正具有四階精度的解析逐步積分
  9. Firstly explicit algorithm is found that give the unique cubic ph that solves a geometric hermite interpolation problem

    首先本文給出了三ph曲線g ~ 1hermite問題的,這個是用復數形式表示的,使公式比較簡單。
  10. In this paper, several new search directions are constructed by combining the local information progressively obtained during the iteration of the algorithm to form new subspaces, the quadratic model is then solved in the new subspaces

    摘要本文中,通過利用隨表現出來的問題的局部信息,我們構造了幾種新的搜索子空間,然後對二模型在這些子空間中進行求解。
  11. In this paper a numerical method for equations of transport and biodegradation in the fractured media is discussed. because the equations consist of terms related to advection, diffusion, biochemical as well as the term of exchange betwen the fracture and the porous media, it is very difficult to find their solution. in order to find more efficient method for solving these equations, several numerical methods for the equations without biochemical terms are discussed first. the numerical results show that the cubic spline method can be used to solve advection flow dominated problem which often occurred in the fractured media. then, the equation with both advection - diffusion term and biochemical term are discussed. the splitting - operator is used to decouple the advection and diffusion terms with biochemical term in the equations. the way to determine the smaller time step for solving fast biochemical terms is introduced through comparing the order of characteristic time of biochemical term with that advection ( diffusion ) term. numerical simulation results show that good agreement between analytical solution and experiment result is attained

    本文討論了含裂隙介質地下水污染物輸運與生物降解非線性方程組數求解方.方程含有對流項、擴散項、生長、死亡、吸附、解吸、趨化和孔隙與裂隙介質界面間的交換項的非線性偶合,使十分困難.本文討論了無生化過程時的幾種求解方,數結果表明:用三迎風對常見的對流項占優勢,且場變量有較大梯度的問題較適用.在討論有生化反應過程時,利用對流項與生化反應項的特徵時間量級估,給出了求生化過程作用子步的時間步長估.用上述方所得到的模擬結果與解析解、無化學反應和有化學反應的實測對比,吻合很好
  12. 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,提出了一種于給定數據點集的參數型保形曲面,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三參數多項式,並且保持被函數集的所有子區域的邊界及其內部的軸向單調性、凸凹性以及拐點性質。
  13. Secondly, the dissertation proposes a novel blind symbol - timing scheme for ofdm systems based on cyclostationarity feature of received symbols. the proposed schemes also exploits the periodicity of ofdm symbol introduced by cyclic prefix, by applying 2 - dimentional fourier transformation and choosing the appropriate correlation peak value as the symbol start location, the precision of this scheme is higher than previous conventional method. thirdly, the dissertation presents analysis with regard to channel estimation of ofdm systems. several interpolation algorithm in ofdm systems which based on pilot sequence have been analyzed in the first instance, and the influence of the channel noise on interpolation precision has discussed. the theoretic analysis and simulation results show that : the interpolation error induced by the precision of interpolation procedure itself has out weight

    第三,論文在ofdm系統的通道估計方面,先對基於導頻的ofdm通道估計中的多種進行了分析,討論了噪聲對精度的影響,指出本身的精度所造成的誤差遠大於噪聲所帶來的誤差,從而階更高的在實用中並非最優的;並指出濾波比變采樣率對噪聲的影響更為敏感,在信噪比較高時濾波比變采樣率更優。
  14. ( 2 ) although spline curves are applied widely, but the research on the algorithms of quintic spline interpolation is little

    ( 2 )雖然樣條曲線具有廣泛的應用,但對五樣條的研究卻很少。
  15. The systemic research on the algorithms and the correlative algorithms establish massive foundation for the application of quintic spline curves in nc machining. ( 3 ) until now, interpolation points have mostly been selected manually in an empirical way

    樣條及其配套的系統深入研究,為五樣條曲線在數控加工技術領域中的應用奠定了堅實的基礎。
  16. In this dissertation, the algorithms of quintic spline interpolation and their applications in cnc, nc programming and re are researched in detailed, and the whole theory, methodology and technology of quintic splines are founded

    論文重點對五樣條及其在re 、 nc編程和cnc技術等方面的應用進行了系統深入的研究,建立了一套完整的五樣條處理理論、方及應用技術體系。
  17. Therefore, some algorithms of quintic spline interpolation are first developed or improved, tested and evaluated. the algorithm of local quintic spline interpolation ( qa3 ) and quintic b - spline interpolation ( qa4 ) therein are very propitious to curve fitting of discrete data points and to nc programming of freeform curves and surfaces

    因此,完善、推導和開發了多種五樣條,並對其進行了測試和評價,認為:五多項式樣條局部qa3和五b樣條qa4非常適合於離散數據的曲線擬合和曲線曲面的nc編程。
  18. Secondly, we analyses the volume rendering based on ray casting, includeing algorithm principle, implementation pipeline. and for the features of medical slice images, improved trilinear interpolation algorithm is presented with an increase of the speed ray - casting in direct volume rendering

    ,詳細分析了光線投射體繪制的基本原理、流程步驟,並針對醫學斷層圖像的特點,提出和實現了改進的三線性,從而大大提高了光線投射的繪制速度。
  19. This paper mainly concerns the conic interpolation model method for unconstrained optimization and its implementation, the structure of which is organized as follows : firstly, we survey the history of the direct search methods concisely, and summarize the methods that are currently considered to be effective for unconstrained optimization

    首先介紹了直接搜索方的發展概況,歸納總結了目前比較有效的各種。其論文對于數試驗結果較好的二模型和發展概況做了概要性的介紹。
  20. On the study of interpolation algorithm and cagd theory, two interpolation algorithms are analyzed, basic spline and nurbs interpolation, and thrice basic spline interpolation algorithm is proposed to realize path planning. the simulation of industrial robot is also important in the research of robotics, which displays the robot model on the computer screen and facilitates the devise of robot

    在機器人運動空間的和計機輔助幾何設計理論的基礎上,分析了兩種直接: b樣條和nurbs曲線,提出一種三b樣條來實現工業機器人運動路徑規劃,提高了的精度和計速度。
分享友人