求導演算 的英文怎麼說

中文拼音 [qiúdǎoyǎnsuàn]
求導演算 英文
derivation calculus
  • 求 : Ⅰ動詞1 （請求; 要求） ask; beg; request; entreat; beseech : 求人幫忙 ask sb a favour; ask a favou...
  • 導 : 動詞1. （引導） lead; guide 2. （傳導） transmit; conduct 3. （開導） instruct; teach; give guidance to
  • 演 : 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;...
  • 算 : Ⅰ動詞1 （計算數目） calculate; reckon; compute; figure 2 （計算進去） include; count 3 （謀劃;計...
  • 演算 : perform mathematical calculations; calculation; calculus演算器 exerciser
  1. On one hand, numerical derivatives provide proper search directions in optimization, therefore their accuracy is of great importance for fast convergency. on the other hand, derivative evaluation is one of the most time - consuming steps in optimization

    當前的高性能數學規劃演算法大都依賴于導數計算以快速收斂到最優點，所以對求導精度的要求比較高；而導數計算所消耗的時間占優化時間的比例又非常的大。
  2. Used perturbed method and making inexact generalized gradient projection with cone, perturbed generalized gradient projection method is proposed. the field of the algorithm is extended. numerical experiments show that the method is effective. secondly, using the trust region form and the pseudo - directional derivative of minimax problem, we propose the trust region form of minimax problem

    對信賴域法作了進一步的研究，藉助minimax問題的偽方向導數，構造出其信賴域二次模型，並結合非單調策略，給出求解minimax問題的簡單易行的信賴域演算法。
  3. Finally, this thesis discussed these following questions : first, the algorithm of used the error image for improving the purpose of the edge detection. secondly, we have transformed the solved question of the first and the second directional derivative to frequency domain and founded they have a single formulae in frequency domain. thirdly, we have described the singular signal and the noise by using the correlations of the neighbor data after wavelet transform

    最後，在傳統的邊緣檢測演算法和小波分析的邊緣檢測演算法之外，對以下幾個方面也進行了一些討論： 1 ）利用誤差圖像來提高邊緣檢測效果的演算法； 2 ）將求解任意方向的一階、二階方向導數的問題轉換到頻域中去求解，發現在頻域中它們具有簡單易用的公式，使得原來求解任意方向的一階、二階導數的比較困難的問題變得容易實現了。
  4. The context in this paper includes the tactical demand of modern torpedo homing system, the advanced algrithm, the application of dsp in torpedo homing system outside country and the basic algrithm of homing signal processing. the basic structure of dsp signal processing procedure, homing and its algorithm assembly flow chart is also introduced in this thesis

    本文介紹了現代魚雷自導戰術要求、先進演算法及國內外dsp在魚雷自導中的應用現狀；闡述了魚雷信號處理的基本演算法；並對dsp的結構及其應用作了詳細的說明；還介紹了各dsp信號處理模塊的基本結構、自導流程圖及某種魚雷自導演算法的流程。
  5. In modem torpedo homing technology, in general, advanced algorithm of signal processing must take longe time in computing, so it is clear that we need to use high - speed signal processor system to do it in real time

    在現代魚雷自導技術中，一般的信號處理先進演算法計算量都相當大，要求用高速并行數字信號處理機系統才能實時完成。本課題提出了基於adsp ? 2106x完成魚雷自導演算法。
  6. We first set up the hiberarchy of the nmm ’ s visualization and focus on the study of pem ’ s visual process. then the coupling equation of pem is deduced and a rapid algorithm for solutions of bordered tridiagonal linear equations is put forward. in the last of the thesis, elementary system of deformation geometry unified for manifold ’ s structure is studied primarily via the idea of unified modeling and some theoretic results for analytical visualization are given out under the system of frenet frame of arbitrary parameters

    文章結合nmm的基本原理和特點，研究了nmm可視化的有關理論和方法;文章首先建立了nmm可視化的層次結構，重點對面素單元法（ pem ）的可視化過程進行了細致研究，推導出了pem的耦合方程，然後給出加邊三對角方程組的一種快速求解演算法，最後還從統一建模的思想對統一于流形結構變形幾何的基本體系進行了初步研究，得到了任意參數形式下frenet標架體系的若干適用於解析可視化的理論結果。
  7. By the simulation, it is indicated that the curve motion model based on the particle can describe the curve motion of the target. and it is shown that the performance of the ukf algorithm is more precise than the tradition nonlinear filtering technique. by the contrast between the simulation results and the positioning result of commercial data process software,

    模擬結果表明，基於質點的曲線運動模型可較準確地描述進行曲線運動的載體; ukf演算法作為衛星導航系統的非線性濾波技術，較之傳統的線性濾波技術可獲得較高的定位精度;其定位結果與商業數據處理軟體相比，可滿足定位精度要求，該演算法可以直接應用於衛星導航系統的軟體實現。
  8. In the use of the recurrence definition and the matrix presentation of nurbs curve, the algorithm of curve is outlined from the correspondent algorithm of b - spline, concerning on the evaluating, derivative, integral, knots inserting and degree elevating

    利用nurbs曲線基函數的定義和nurbs曲線的矩陣表示，從b樣條的相關演算法出發，可解決nurbs曲線的求值、求導、求積演算法和nurbs曲線的節點、升階演算法等問題。
  9. Especially, a deep research is paid to integral. an algorithm for computing area of regions bounded by quadratic nurbs curves is presented

    特別是對由求積演算法深入地研究，可進行二次nurbs曲線下面積的計算，並導出面積的精確計算公式。
  10. This paper studies the method of innovative design of the scheme of hybrid turning and milling machine tool. it mainly includes the following innovative work : ( l ) a innovative scheme of the hybrid turning and milling machine tool are designed in this paper based on the study of methods of the movement - function innovation and the. design of the whole structure and the parallel mechanism theory. this scheme have the function of milling with five axis simultaneously and turning with three axis simultaneously ; ( 2 ) a design example of this machine too is given out ; ( 3 ) this paper solves the positive position solution, the inverse position solution and the passive joints solution of the fixed length 3 - prs parallel mechanism of the machine tool ; ( 4 ) simulation tests of movement function and solution methods are given out by the simulation method of virtual machine

    論文對混聯式車銑復合加工中心方案創新設計技術進行了探討研究，完成的主要創新性工作有： （ 1 ）論文在研究機床運動功能創成方法、總體結構方案設計方法和並聯機構的基礎上，設計出一種混聯式車銑復合加工中心的創成方案，該方案可以實現5軸聯動銑削加工和3軸聯動的車削加工功能； （ 2 ）給出了實現該方案的設計實例； （ 3 ）推導了該車銑復合加工中心的定桿長並聯機構3 - prs的位置逆解、位置正解和被動關節求解演算法； （ 4 ）應用虛擬樣機模擬方法進行了運動功能及求解演算法的模擬試驗。
  11. In order to develop and evaluate the real time algorithm and the hardware processor of infrared imaging guidance, the evaluation system was designed. in this paper, the operation and the control structure of the infrared imaging guidance algorithm were analyzed, and the image capturing, the image display, the development of application specific hardware algorithm and the requirement of dsp

    設計評估系統的目的是為了對紅外成像制導的實時處理演算法和硬體處理單元進行前期的開發和評估。本文分析了紅外成像制導演算法的運算和控制結構，歸納總結了評估系統在圖象獲取、顯示、專用硬體演算法開發及dsp處理方面的需求。
  12. Detailed procedure of the algorithm is proposed in this paper, using levenberg - marquardt method combined with gauss - newton strategy. and the corresponding software named limap ( inverse identification of material parameters ) is self - developed for solving such a nonlinear least square problem

    本文採用levenberg - marquardt方法，同時混合了gauss - newton法的策略，詳細推導出了材料參數反求的演算法，在自行研製的參數反求軟體iimap中實現了材料參數反求這樣一個非線性最小二乘問題的求解。
  13. Then, the cutting - stock technology in the product design system oriented to the optimized utilization of material resource is deeply studied. in this paper, the mathematics model of two - dimensional guillotine cutting - stock problem based on inventory is set up. to solve the mathematics model above, the iterative solving method through wiping off worse layout is put forward ; on the base of the column generation formulas that are deduced to solve multi - material two - dimensional guillotine cutting - stock model ， the column generation algorithm is brought forward by using column generation technology ; the solution of two - dimensional knapsack problem and one - dimensional knapsack problem is studied ; the concept of the value of

    給出了基於庫存的二維guillotine優化下料問題的數學模型，提出了一種新的求解方法? ?去差迭代求解法；引入了列生成技術，在推導多原材二維guillotine優化下料模型求解的列生成數學形式的基礎上，給出了列生成迭代求解演算法，研究並分析了二維背包問題和一維背包問題的求解演算法；提出了板材排樣價值概念，建立了板材排樣價值的估計方法；論文同時針對優化下料技術當前應用中存在的問題，提出了一種基於asp （ applicationservicesprovider ）模式的多軟體協同優化下料解決方法並給出了該方法基於agent思想的具體實現技術。
  14. Chapter two is focused on the wang - ball curves, including definition, properties and recursive algorithms. using the dual functional of the wang - ball basis, the author derives the subdivision algorithms for the wang - ball curves for the first time and then obtains some identical equations of calculation combination

    第二章介紹wang - ball曲線的定義及性質，以及wang - ball曲線的遞歸求值演算法，利用wang - ball基函數的對偶泛函，作者在這里給出wang - ball曲線的顯式細分演算法，並由此導出幾個計算組合恆等式。
  15. The general formulation of pti, the substructure method of pti, and the proof of symmetry property of matrix exponential in pti are proposed

    接著給出基於常規時間差分的求湃演算法，並討論熱傳導靈敏度分析的半解析方法。
  16. The theory of sins is described firstly, including the principle of work, the attitude update algorithms and the navigation calculations. and the algorithms of the attitude matrix are discussed in detail. with the many problems to be considered and solved in engineering, the following works have been done : 1

    本文首先系統介紹了捷聯慣導系統的基本理論，包括捷聯慣導系統的工作原理、捷聯慣導系統的姿態更新和導航計算，其中重點介紹了姿態矩陣的求解演算法。
  17. Symbolic differentiation ( sd ) and ad are compared in details and then a novel sd algorithm, symbolic automatic differentiation ( sad ), is presented

    通過比較和分析符號微分和自動微分，提出了一種新型的符號求導演算法- -符號自動微分演算法。
  18. The first step is to get the floating value by integrating the integer ambiguity of gps carrier signal as a state variable with ins. the second step is to get the fix value by integral filter algorithm. thirdly, the methods for detecting and compensating the cycle slip are researched

    其次研究了載波信號整周模糊度求解演算法問題，提出了一種新的求解方法，即把整周模糊度作為狀態變量通過與慣導的組合得到模糊度的浮動解，然後利用組合濾波器快速演算法來實現整周模糊度的求解。
  19. In mad, the model of interest is partitioned into a series of modules, just as in ad the function of interest is divided into a sequence of elementary functions

    定義了模塊復雜度的概念來表徵求導演算法對模塊求導所需的單元標量計算次數，並以此為依據來為模塊選擇最合適的求導演算法。
  20. And then i will optimize the arithmetic of support vector machine, using the effective constrain method for quadratic programming, and based on the theory of chunking arithmetic in support vector machine. as the result, the optimized arithmetic ? ? single - dimension chunking arithmetic ( sdc ), is deduced. the new method will be applied on solving all the svm problem in this paper, and the result is very good

    首先，在支持向量機的求解演算法上做了優化，利用求解二次規劃的有效集方法和求解支持向量機的選塊演算法理論推導出了一元選塊演算法，並將該演算法應用於本文的所有支持向量機的求解過程中，得到了較佳的運算效果。
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