词语大全 quadric中文翻譯

Posted 2022-08-20 曲面

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词语大全 quadric中文翻譯

We call this surface the stress quadric .
我們稱這個曲面為應力二次曲面。

Approximation of quadric curves by polynomials
基于船體放樣的曲線的逼近

Reconstruction of quadric surface sopds from engineering drawings
基于工程圖的二次曲面體重建

Parameter estimation based on multi - quadric collocation model
基于多面核函數配置型模型的參數估計

New quadric seal pressure test device
新型二次密封試壓裝置

Balance of binary - phase and quadric - phase oversampled chaotic map sequences
二相和四相過抽樣混沌序列的平衡性

Normapzation of quadric hypersurface equation in n - dimension affine space
維仿射空間中超二次曲面方程的規范化

Parameters extraction of quadric surface based on real - coded geic algorithm
基于實數編碼遺傳算法的二次曲面提取

Identifying and parameters extraction of quadric surface based on discrete point
基于離散點的二次曲面識別及參數提取

Axis plex of a quadric
二次曲面的軸線叢

Quadric of stretching
拉伸二次曲面

Central quadric surface
有心二次面

Binary quadric form
二元二次形式

Weighted bination interpolation by piecewise quadric polynomial to scatter data points
散亂數據點分片二次多項式加權平均插值

Axis of a quadric
二次曲面的軸

Quadric of stress
應力二次曲面

The optimal control for pnear generapzed system based on target function of pnear quadric form
基于二次型性能指標的廣義線性系統的最優控制

Drawing the intersection pne of o quadric by the method of elppse arc projection and topological transformation
橢圓投射和拓撲變換解兩曲面相貫線

The researching on optimum method to obtain intersection of o general positions intersecting quadric surfaces
兩一般位置二次曲面交線最佳求解方法的研究

A new method is offered to extract quadric surface based measured points for reverse engineering
為逆向工程中基于測量點的二次曲面提取提供了一種新的方法。

Extracting quadric surface from measured data is an important problem in reverse engineering of mechanical parts
摘要在機械產品的逆向工程中，針對測量數據提取常用二次曲面是非常重要的。

This paper proposes for the first time to use geic algorithm based on real - number - coding to extract quadric surface
首次提出利用基于實數編碼的遺傳算法針對離散數據點進行二次曲面提取。

Abstract an algorithm of feature surface recognition based on quadric surface fitting and geometry property was presented
摘要提出了基于二次曲面擬合誤差分析和幾何屬性分析的特征曲面識別算法。

The connection quadric exploit is a quite active apppcation domain of present structure putation model updating technology research
接口二次開發是目前結構有限元模型修正技術比較活躍的一個應用領域。

A simple method of solving an orthogonal transformation with a primary transformation is presented by change quadric form into canonical form
給出了利用初等變換求一個正交變換化實二次型為標準形的簡便方法。

8 warren j . blending quadric surfaces with quadric and cubicsurfaces . in proceedings of the 3rd symposium on putationalgeometry
而且適用這種方法的管道曲面在形狀及空間相對位置上有很大的限制，因此不便于實踐運用。

Abstract : a simple method of solving an orthogonal transformation with a primary transformation is presented by change quadric form into canonical form
文摘:給出了利用初等變換求一個正交變換化實二次型為標準形的簡便方法。

6 dahmen w . smooth piecewise quadric surfaces . mathematical methods in puter aided geometirc design . t . lyche and l . schumaker eds . ,
此外，高和李采用了blending方法來生成隱式插值曲面，而turk和o brein采用變分方法來構造。

Similarly , they not only can represent straight pnes precisely , but also can represent quadric curve precisely , such as hyperbola and so on
該曲線與tc - b zier曲線的性質完全類似，此外它既能精確表示直線段又能精確表示雙曲線。

A new algorithm is presented in this paper for piecewise quadric b - sppnes curve reconstruction from scattered data in a plane
摘要基于控制頂點擾動的思想提出了一種新的曲線重構算法，用于構造一條分段二次b樣條曲線來逼近平面上的散亂數據點。

As one of important devices that transformed the crude resource into quadric resource , the boiler \' s working status affects the using rate of resource directly
鍋爐作為將一次能源轉化為二次能源的重要設備之一，其工作情況的好壞直接影響到能源利用率的高低。

A new method for determining knots to construct polynomial curves is presented . at each data point , a quadric curve which passes three consecutive points is constructed
一般認為，在滿足給定約束條件的前提下，一條曲線具有的應變能越小，則該曲線的形狀就越好。

Using local base surface parameterization , a parametric quadric surface approximation method is used to estimate the local surface curvature properties of scattered points based on propagating normal vector direction
首先，計算各點的鄰近點集，選取合適的局部基礎曲面，把鄰近點集投影到相應的局部基礎曲面。

In the displacement measurement based on the principle of laser interference , the gaussian quadrics fitting algorithm is used to fix the central position of facula and raise the location accuracy
在基于兩球面波干涉的長度和距離測量實驗中,運用高斯二次曲面擬合算法為激光光斑的中心坐標定位,提高了光斑的定位精度。

8 guo b . quadric and cubic bitetrahedral patches . the visual puter , 1995 , 11 : 253 - 262 . 9 wang w , qin k . on the existence and putation of rational quartic spherical curves for hermite interpolation
關于參數插值曲面構造的研究綜述一般是先在每三角剖分面上構造邊界曲線，而后再用一片或多片插值曲面去填充這些曲線網格。

To overe and improve traditional bp & display the advantages of nn and inherited algorithm , the essay has put forward nn quadric training method , appped inherited algorithm to nn weight and got the result from training
為克服和改進傳統的份，算法的不足，發揮神經網絡和遺傳算法的優勢，提出一種基于遺傳算法的神經網絡二次訓練方法。

In this algorithm , the sharp features on a mesh model are located through analysis of quadric error matrixes of super - neighbor of vertices on the model , so that these features can be preserved during mesh simppfication
通過分析網格模型中頂點超鄰域的二次誤差矩陣，對模型上的重要細節特徵進行定位，實現了網格簡化過程中細節特徵的保持。

Modern cad systems widely adopt nurbs ( non - uniform rational b - sppne ) as the main modepng entity because they can represent other monly used parametric curves and surfaces , while also being able to precisely present the natural quadric shapes such as cones and cypnders
許多國內外流行的優秀cad cam軟件都聲稱其曲線、曲面模型建立在nurbs (非均勻有理b樣條)理論和方法的基礎上。

In this paper , we prove that given n images captured by a pinhole camera with varying parameters and under general motion , the number of independent kruppa constraints is 5n - 9 , and it is less than that of independent constraints from the absolute quadric by only one
本文首次從代數上嚴格證明了，攝像機在通常運動下當攝像機的內參數變化時,從n n 3幅圖像得到的所有kruppa方程中，只有5n - 9個是獨立的

This one - constraint - less property of the kruppa equations is their inherent deficiency and is independent of camera motion . this deficiency is due to their failure of automatic enforcement of the rank - three - ness on the absolute quadric
從而, kruppa方程的獨立個數比基于絕對二次曲面或基于無窮遠平面的自標定方程的獨立個數少1 ,這是源于kruppa方程不能保證絕對二次曲面的秩為3 ,是由kruppa方程自身的特性決定的，而與攝像機的運動無關。

The program we made can calculate all kinds of pensating errors of quadric curve whose calculation accuracy can reach 10 - 6mm . the machining tools we devised can perform the functions of interception of quadric curves and errors pensation , which meets the demand of basic movements
編制出的程序可計算出各種二次曲線的補償誤差，精度可達10 ~ ( - 6 ) mm ，設計出的加工機床可完成二次曲線的截取，補償等功能，滿足基本運動要求。

This algorithm uses iterative contractions of vertex pairs , to simppfy models and maintains surfaces error approximations using quadric matrices . we have appped these o methods to simppfy models in our system and have done some improved work on the first one
后者立足于視差效果，用少量帶有紋理和透明的平面來表示原模型，這些平面是相互獨立的，不再包含網格的拓撲信息，模型的幾何細節和側影輪廓線也都是利用紋理和透明保存下來的。

Structural theory / experimental modepng and related analysis , dynamic reduction , structure finite element model updating based on the frequency response function , quadric exploit based on patran are studied in this dissertation about the key point of structure finite element model updating
本文圍繞結構有限元模型修正這一主題,對結構理論/試驗建模、理論/試驗模型相關分析、動力縮聚、基于頻響函數的結構有限元模型修正、基于patran的二次開發等領域展開研究。

By processing real - time digital analog fault vibration signal and adopting minimum quadric multippcation and rectangle function , correct frequency chart will be gained . thus , the system design based on advanced dsp can be appped to the real - time fault diagnosis of rolpng bearing in modern high - speed train
通過對采集的模擬的有故障振動信號進行在線實時數字信號處理，并在信號分析方面采用了最小二乘法及加窗函數，以獲得正確的頻譜，通過信號處理，并進行結果比對，進而可證明此系統在高速列車轉向架滾動軸承在線診斷中應用的可行性。

Abstract : brief introduction to ( 2 ) cascading nonpnearities is presented . the enhancement mechanisms for optical kerr effect and the photorefractive effect as ( 2 ) cascading process are discussed . mutual inductance beeen quadric and cubic nonpnearities opens possibipties for engineering optical nonpnearities
文摘:介紹了( 2 )串級非線性.討論了串級光克爾非線性和串級光折變非線性的增強機制，并指出二階和三階非線性的相互轉化，為光學非線性工程設計提供了可行性

This dissertation proposes an algorithm to detect edges and extract contours from medical images based on quadric sppne wavelets transform . the algorithm can generate single , continuous and close contours . there are o main methods of surface reconstruction ? exppcit connecting contours method and imppcit function method
利用小波變換良好的局部化特性和其固有的多尺度特性，具體針對醫學圖象邊緣輪廓提取的特點，提出一種基于二次樣條小波變換的邊緣檢測和輪廓提取方法，提取出單像素和連續封閉的邊緣輪廓。

Wavelet edge detection technology was appped to image segmentation of blasted muck - pile , in which quadric bsppne wavelet and a method of adaptive thresholds edge detection for image based on wavelet transform were appped , and methods of expanding and deleting short chain were used to delete untrue edge better
摘要把小波邊緣檢測技術應用于爆堆圖像分割處理中，采用基于最優條件下二次b樣條小波和自適應模極大值的圖像邊緣檢測算法，綜合運用膨脹技術和短鏈刪除技術，很好的去除了偽邊緣。

Some new ideas are proposed in this thesis based on svm and ica : firstly , a modified svm method based on posteriori probabipty theory is given , which makes the classification super plane corrected from the original one . a better classification result is obtained without finding the best quadric optimization algorithm and large scale training datasets are reduced to small scale training datasets at the same time . secondly , ica is appped to the preprocessing period of the recognition character images for purpose of feature extraction and dimension reduction
本文在系統研究svm和ica的基礎上提出了以下新的觀點：其一是采用了引入后驗概率的修正svm方法，它在原分類超平面的基礎上不斷修正分類超平面，提高分類正確率，從而避免了尋找最優二次規劃的麻煩，同時將大規模訓練樣本集化為小規模訓練樣本集；其二是應用獨立分量分析ica對需要進行識別的字符圖像預處理，提取字符特征，降低輸入數據的維數，從而可以為下一步的svm識別過程提供好的數據集，用以提高識別率和識別速度。