cutting algorithm 中文意思是什麼
cutting algorithm
解釋
切割演算法-
Aimed at two shortages during rough working procedures - cast blanks with large - scale free form surfaces are distorted significantly and cutting stocks are distributed very dispersely, a new hogging algorithm is proposed
摘要提出了一種新的毛坯荒加工演算法，解決了在粗加工時大型復雜曲面毛坯變形嚴重、餘量分佈不均勻等問題。 -
An algorithm for double opposite layout of cutting patterns based on genetic algorithm
基於遺傳演算法的沖裁件對頭雙排演算法 -
Because 3d surface model contains huge number of triangles, a mesh simplification algorithm based on triangle edges shrinkages is presented in this paper to speed up the rendering in real time. in chapter four, the cutting of reconstructed 3d models is explored. in order to observe expediently the size and interspaces structure of inner tissues and avoid the discommodiousness of surface reconstruction, a simple cutting methods based on ray - casting algorithm is presented to get the inner images information
第三章主要對marchingcubes （ mc ）表面重建演算法進行描述， mc演算法是基於規則體數據抽取等值面的經典演算法，本文實現了這種等值面構建表面模型的演算法，並對其演算法的二義性進行了相應的處理；針對其重建速度較慢的問題，提出了體素間相關性處理的方法來加快重建速度；並對其生成的表面幾何模型所包含三角面片數量巨大的問題，提出一種快速有效的三角形邊收縮演算法進行網格簡化，提高了表面模型的繪制速度。 -
On the basis of the theory of fractal geometry, the fractal dimension characters of ae signal at different tool wear states were analyzed, an algorithm was provided to decide the scale range which is necessary to calculate the dimension of non - fully - fractal form. the experiments showed that the fractal dimension of ae signal is slightly effected by the changes of cutting parameters ; the variance of the fractal dimensions, which reflects the geometric characters of ae signals, has the same tendency as that of the flank wear, the monitoring system, which takes the fractal dimension of the ae signal as the feature, can identify the different tool wear states more correctly under different cutting conditions
以分形幾何理論為基礎，對刀具不同磨損階段聲發射信號的分形特徵進行分析.提出了計算非完全分形體信號波形的關聯維數時尺度范圍的確定方法，分析了聲發射信號在刀具磨損過程中分形維數的變化特性.刀具磨損切削實驗數據表明，聲發射信號的分形維數受切削參數變化影響較小；分形維數反映了聲發射信號的幾何特徵，其大小能較好地反映刀具的不同磨損狀態.實驗結果表明，該方法能正確地實時在線監測刀具的不同磨損狀態 -
Based on analyzing the mathematical models for one - dimensional cutting stock problem, a greedy algorithm has been constructed, which is an approximate algorithm
摘要在對一維下料方案數學模型分析的基礎上，提出了一種基於貪心演算法的求解方法。 -
As an application of succeeding, a numerical example of max - cut is given. 3. several semidefinite relaxation detection strategies of the cdma maximum likelihood multiuser detection are investigated. rounding, coordinate descent, cutting plane and branch and bound based on quadratic programming algorithm are presented to get the suboptirnal solution
本文紿出了基於半定規劃模型尋求多用戶檢測問題次優解的幾種重要方法，包括隨機擾動法、坐標下降法、半定規劃的割平面法和二次規劃的分枝定界法等 -
Several key techniques of carving and milling machine cnc system are deeply studied they include : the transformation, data rebuild and interface design of huge volume nc program produced by cam ; the algorithm of cubic parametric spline pre _ interpolation and high speed real time interpolation in the cnc system, which. will gain a much higher surface precision and cutting speed ; methodology and algorithm of movement velocity acceleration control on a real time forecast _ and _ prejudge basis is designed. therefore, a smooth movement is insured. the shake and noise problem caused by non _ uniform pules for driving stepping or servo motor is solved by an improving algorithm to generate uniform pules
同時，本文對基於統一的pc平臺的雕銑機數控系統中的幾項關鍵技術進行了深入的研究，包括： cam生成加工程序的傳送、接收、讀取及其加工鏈表的生成和實時重構；對cam生成的離散數據進行三次參數樣條插值和基於累加弦長的三次參數樣條插補控制，保證加工工件表面的精度和光順性；設計具有「前瞻」功能的自動升降速控制方法，保證加工過程的平穩性；通過脈沖均勻化，有效地解決加工過程中因為脈沖不均勻而引起的震動問題。 -
Then, the thesis introduces c style cutting - compensation algorithm to perform smooth transition among various angle patterns
演算法根據不同情形提出了縮短型、伸長型和插入型三種切割補償演算法。 -
This thesis gives detailed description of the system from the following three aspects : real time control, cutting compensation algorithm and interpolation techniques
本文主要從數控切割機床控制系統的實時控制、切割補償和插補運算三個方面介紹該控制系統，並分析其開放性的設計。 -
The paper based on the idea of k - opt algorithm for tsp, present a swap algorithm for the one - dimensional cutting - stock problem
摘要根據旅行商問題（ tsp ）的鄰域搜索演算法的思想，提出了型材下料問題的一種優化演算法。 -
Based on tree data structure, the cartesian grids about 2 - d and 3 - d configurations are generated using the surface - cutting procedure. in the course of grid generation, a two - step ray - casting algorithm to excluded cells inside the body and a cell - merging technique to avoid numerical instability are fully developed. after creating these surrounding grids, the cell - cutting algorithm is designed to perform geometry - based refinement of grids, and greatly improve the applicability and quality of grid generation
採用物面切割，基於叉樹數據結構，發展了一種普遍適用於二維和三維外形的直角切割網格生成方法；構造兩步射線求交演算法，刪除外形內的固體網格，以及小網格合併演算法，確保網格質量和流場計算的穩定性；運用對任意網格的切割細分演算法，實現了針對幾何外形的自適應網格加密，使得網格生成更具普適性和靈活性。 -
In the process of establishing model of ball - end cutter milling forces, the algorithm of determining cutter eccentricity parameters are presented to integrate the condition of single edge cutting. the cutter eccentricity parameters are decided by using the above algorithm in the process of calculating milling force coefficients according to the experiment data of milling force. results of experiment show that the simulation algorithm is satisfying
4 .提出了球頭銑刀刀具磨損的衡量方法，建立了磨損模型，用以衡量由刀具磨損而可能產生的加工誤差;建立了球頭銑刀在端銑加工中因刀具變形而可能產生的加工誤差模型;提出了相應的由於刀具磨損和刀具變形引起的加工誤差補償方法。 -
In order to analyze a micro cutting process of abrasive wear by means of molecular dynamics simulation, the principle, model and solving algorithm of molecular dynamics simulation of micro cutting process were discussed
摘要針對磨粒磨損中微觀切削過程，研究了分子動力學模擬的基本原理、磨粒微觀切削過程的分子動力學模擬模型和數值模擬勢法。 -
In this paper, the machine cutting theory and design algorithm of klingelnberg cycloid bevel gear were studied. the formula of the geometry design were deduced and given
本文通過分析克林貝格擺線錐齒輪銑齒原理和幾何設計及製造的基本理論，推導驗證了其幾何設計演算法及冠輪齒面方程。 -
This paper consists of three parts as follows, 1. a nonsmooth convex programming is relaxed to a smooth convex programming by using a cutting - plane, which is constructed by subgradient. an algorithm based on the cutting - plane is presented. in this way, a cutting plane algorithm and it ' s convergence for semide ? nite programming are provided
利用次微分的概念給出了一種非光滑凸規劃割平面的構造技巧，找到了半定規劃可行域的一個支撐超平面，從而給出了求解半定規劃的一種割平面演算法 -
A strength relaxation of semidefinite programming for standard quadratic optimization problems is given. the relaxation is transformed to a semi - indefinite programming. a linear programming cutting plane algorithm is proposed
3 .給出標準二次優化問題的一個強化半定規劃鬆弛模型，把該模型轉化為半不定的線性規劃問題，並提出線性規劃的一種新的割平面演算法解該問題，理論和數值實驗證明了演算法的有效性 -
This paper describes some key technology during the developing of a chinese brain atlas of 3d visualization demo system, which is listed as bellow : 1. algorithm of generating, compressing and storing volume data 2. algorithm of cutting volume data 3
本文對三維人腦圖譜可視化的以下幾個關鍵技術進行了深入研究： 1 、體數據的生成、壓縮和存儲技術2 、體數據的切割技術3 、腦圖譜標簽的製作、存儲、顯示和隱藏技術4 、醫學圖象的簡單配準技術作者對以上幾個方面均有一定的獨到見解，並設計了相應的演算法加以實現。 -
Algorithm of medical image registration the author has his own idea in all these aspects and had got quite good results in the programming using these algorithms. finally, a chinese brain atlas of 3d visualization demo system has been developed based on personal computer and windows operation system. this demo system provided a graphics user interface for generating, compressing and storing volume data, cutting volume data, making, storing, displaying and hiding brain atlas labels
最後，使用以上的技術成果，作者基於pc機和windows的平臺開發了一個國人腦圖譜的三維可視化演示系統，提供了一個圖形用戶界面，支持對三維場景中的二維及三維物體進行旋轉、平移、縮放、切割等操作，方便用戶從多方位多角度進行觀察。 -
Then, this paper deeply studies the key technology of the cutting stock system for project manufacture enterprises : optimized cutting stock, graph disposal and system integration, etc. after analyzing the working flow of the column generation technology, brings forward the interpolation algorithm for solving non - guillotine cutting stock problem. image processing technologies including parts image processing and result image generating are studied
分析了優化下料演算法? ?列生成法的求解流程，提出了插補求解二維non - guillotine切割的啟發式演算法；分析了圖形處理技術，包括零件圖預處理技術和結果圖生成技術；提出了系統集成的方案，實現了優化下料技術與cad 、 capp 、 cam技術的有機集成。 -
Using a corner - cutting algorithm, this thesis shows that the sbgb bases are normalized totally positive ( tnp ), and the wsgb bases are not tnp
構造了一種割角演算法，證明了sbgb型基函數是規范化全正的； 2
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