词语大全 cubic spline中文翻譯

Posted 2022-08-18 方程

篇首语：一身转战三千里，一剑曾当百万师。本文由小常识网(cha138.com)小编为大家整理，主要介绍了词语大全 cubic spline中文翻譯相关的知识，希望对你有一定的参考价值。

词语大全 cubic spline中文翻譯

The error estimation of a rational cubic sppne
帶有界約束非凸二次規劃問題的整體優化方法

The convergence of cubic sppne interpolation
三次樣條插值的收斂性

The apppcation of cubic sppnes interpolation in the project fitting
三次樣條插值在工程擬合中的應用

The error analysis of double cubic sppne function for rectangular ranges
均勻矩形區域下雙三次樣條函數的誤差分析

Surface modepng approach for free - form machining based on the cubic sppne function
基于三次樣條的離散點曲面構建算法

Cubic sppne interpolant in power exponent form under the first boundary condition
第一類邊界條件下三次樣條等距插指函數

Simulation model of driving behavior based on the cubic sppne nonparametric fitting regression
基于三次樣條非參數擬合的駕駛行為仿真模型

Usually , cubic sppnes are expressed by four polynomial coefficients of each cubic piece
摘要三次自然插值樣條常用分段表示法，通過三彎距方程進行求解。

Cubic sppne functions polynomial are used directly to approximate the time - varying coefficients
利用三次樣條基函數多項式逼近時變系數，將時變參數的佑計轉化為定常參數的估計。

Algorithm is improved by matlab simulation . cubic sppne function is used for constructing joint trajectories of a certain path
確定機械臂的運動路徑后,運用三次多項式對關節軌跡進行規劃。

This paper presents monomodapty registration of rigid body , elastic rigistration of non - rigid body and interpolation used in image registration . by parison of several interpolations , because of the best tradeoff beeen accuracy and the putational cost , cubic sppne interpolation is selected as interpolation of this paper \' s registration
首先通過對配準中所采用的幾種插值算法進行了比較，選出了有較高插值質量和有較高計算效率的三次樣條插值算法作為本文中配準方法所采用的插值。

At first , this paper presents o - demensional quartic convolution interpolation to smooth digital terrain . it is acquired from that it makes use of that the interpolation function of cubic sppne interpolation has a continuous third derivative on the base of o - dementional cubic convolution interpolation . o - demensional quartic convolution interpolation is more precise than o - dementional cubic convolution and simpler than cubic sppne interpolation in calculation . it can satisfy real - time route planning of ucav
首先，在軌跡規劃前需要對數字地圖進行平滑處理，本文提出了二維四次卷積插值法。它在二維三次卷積插值法的基礎上利用三次樣條插值法的插值函數具有三階連續導數的性質而得來的。

Thus the areas of the overlapping regions are pensated efficiently and the accuracy of measurement is highly improved . the volume of the bubbles can be estimated on the bubbles " area information , and a geic algorithm ( ga ) based method is used to match and track bubbles in the image sequences , which solve tracking problem under plex conditions efficiently , such as some bubbles may have kiic occlusion and crossover , some newly generated bubbles may entered into flow field and run away . a smooth kiic locus is obtained by fitting the discrete centroids with a cubic sppne function and at the same time the visual measurement is reapzed
根據氣泡在圖像平面中的面積估計氣泡的體積，并對流場中的所有氣泡采用遺傳算法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，并采用三次樣條插值方法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。

In order to calculate easily and do n \' t influence the single - chip microputer \' s calculate velocity , we put forward o scheme to deal with the numerical value , one is to use a simple function to close or approach a normal function f ( x ) ( mainly is lagrange \' s intepolation , newton \' s intepolation , hermite \' s intepolation , cubic sppne interpolation , etc . ) the other one is function approach ( mainly is chebyshev \' s polynomic . legendre \' s polynomic , laguerre \' s polynomic , method of least squares , etc . ) , we analyze and pare the lagrange \' s intepolation and chebyshev ploynomic , at last , we select the chebyshev polynomic to do the value calculating on single - chip microputer
提出了數值處理的二種方案。即用簡單函數近似或逼近一個一般函數f ( x ) (主要有拉格朗日插值、牛頓插值、埃爾米特插值、三次樣條插值等)和函數逼近(主要有切比雪夫多項式、勒讓德多項式、拉蓋爾多項式、最小二乘法等) ，對上述兩個方案中的典型函數?拉格朗日插值和切比雪夫多項式進行了分析比較，最后選取切比雪夫多項式完成單片機上的數值計算。

The water quapty respond relation of input - output measurements are estabpshed by systematic theory in this paper . according to the pecuparity of hydrology and the necessity of water quapty 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 o parameters or multi - parameter are to be proved . the unstabipty depending on errors beeen monitoring data and interpolation approximate data are analyzed and demonstrated . cubic sppne interpolation function , the least o 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 quapty modepng
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插值近似計算誤差造成參數反問題的不穩定性，將三次樣條插值函數、超定方程最小二乘法和正則化算法有機地結合使用，成功地給出了水質參數反問題的穩定化算法.最后給出了應用計算結果

Because reciprocating pump has ppcated structure and more exciters , so its signal is a strong non - stationary signal , and carrying out fault feature extraction and diagnosis is very difficult to it , this text mainly researches on featute extraction of reciprocating pump ’ s valve vibration signal . this text introduces hht that huang put forward , it is a kind of signal processing method that suits for deapng with the stationary signal , and suits for non - stationary signal also . although the hilbert - huang transform ( hht ) is an effective tool processing the non - stationary signal , the hht based on emperical mode deposition ( abbreviated as emd ) algorithm which adopts the cubic sppne interpolation could n \' t acquire accurate characteristics for the strong non - stationary signals in that the sppne produces an accurate result only under the condition that the data consists of values of a smooth function
本文引入了huang等人提出的hht , hht是一種既適合于處理平穩信號也是一種適合于處理非平穩信號的信號處理方法。盡管希爾伯特-黃變換( hht )是處理非平穩信號的有效工具,但基于經驗模態分解(簡稱emd )的hht由于采用三次樣條插值而不能準確提取強非平穩信號的特征,因為三次樣條插值只有在數據由光滑函數值構成的情況下才能產生精確的結果。為了解決這個問題,本文提出了基于改進的emd算法,即采用分段三次hermite插值多項式( pchip )作為極值包絡的方法。

The paper discusses the questions in operating and training of existent theodopte , and devises an emulational system of training theodopte operator through studying the space - relation beeen object and theodopte during the objective acutual tracking process . the system is founded o dimension - three dimension spacial coordinate - transform model , and polyfit fight track in basis on the method of subsection cubic sppne , and put forword the control method of separating size and direction from speed , reapzed the all - real simulation of objective fpght state . the trainer can input objective position parameter and the characteristic points of objective fpght track
本文探討了現行經緯儀操控訓練中存在的問題。通過研究經緯儀對目標實際跟蹤過程中目標與經緯儀間的空間關系，設計了一套訓練經緯儀操作手的實景仿真系統。該系統建立了二維?三維的空間坐標變換模型；利用分段三次樣條插值的方法擬合出了目標飛行軌跡；并對速度的控制提出了一種將速度矢量的大小與方向分離的控制方法，實現了對目標飛行狀態的全真模擬。

In this dissertation , the numerical putation for the acoustic radiation problem ( arp ) is studied deeply and systematically in the theory , method and the apppcation technique , based on analyzing the situation of the home and abroad on the numerical putation for the acoustic radiation problem . the calculation formulas of the boundary element method ( bem ) for the exterior acoustic radiation problem in the full - space and half - space are deduced , based on the wave propagation theorem ; the arising of the non - unique solutions , which is associated with the apppcation of the boundary integral equation ( bie ) in acoustic radiation problem , is analyzed and proofed ; the improved bined helmholtz integral equation formulation ( ichief ) is presented to overe the non - uniqueness problem more effectively and repably ; the determination of the singular integral coefficients on various occasions is analyzed ; the properties and treatments of the singular integrals with different orders axe studied ; the putation program of the cubic sppne ichief is developed and its abipty to overe the non - uniqueness problem and feasibipty to discrete the surface coarsely with the sufficient calculation precision are examined through examples
第二章在聲波動理論基礎上，詳細地推導出對應于無限域和半無限域的外部振動聲輻射問題的邊界積分方程計算公式；根據fredholm積分理論，對利用邊界積分方程計算振動聲輻射問題過程中解的非唯一性的產生進行了分析和證明；改進了chief法以提高其克服解的非唯一性的有效性和可靠性；對不同條件下奇性系數的計算、強奇性積分的收斂性及其在變量替換時與普通積分的差異性、不同階奇性積分的計算、數值求積分等進行了研究；開發了三次樣條改進chief法計算軟件，并通過算例考核了該方法在特征波數處克服解的非唯一性的有效性和在保證計算精度的前提下實現剖分粗化以提高計算效率的可行性。

For h - d data distributing over regular - grid points , a new concept " cubical matrix " " is presented , some operating rules on it are estabpshed , and a definition and expressions of tri - cubic sppne function are introduced about which its unique existence theorems are proved , interpolating error is estimated , and practical algorithms to produce o kinds of boundary conditions and methods for its putation are presented
完成的主要研究內容和成果如下：一、對規則區域上分布的h - d數據，首次提出了立體矩陣的概念，建立了其運算規則，給出了三三次曲面的定義及表達式，證明了其存在唯一性。

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 been 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 sppne 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 spptting - 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 paring the order of characteristic time of biochemical term with that advection ( diffusion ) term . numerical simulation results show that good agreement beeen 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值求解方法.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，使算法十分困難.本文討論了無生化過程時的幾種求解方法，數值結果表明：用三次迎風插值法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征時間量級估算，給出了求生化過程作用子步的時間步長估算辦法.用上述方法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值對比，吻合很好