精細的計算 的英文怎麼說
中文拼音 [jīngxìdejìsuàn]
精細的計算
英文
careful calculation- 精 : Ⅰ形容詞1 (經過提煉或挑選的) refined; picked; choice 2 (完美;最好) perfect; excellent 3 (細)...
- 細 : 形容詞1 (條狀物橫剖面小) thin; slender 2 (顆粒小) in small particles; fine 3 (音量小) thin ...
- 的 : 4次方是 The fourth power of 2 is direction
- 計 : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
- 算 : Ⅰ動詞1 (計算數目) calculate; reckon; compute; figure 2 (計算進去) include; count 3 (謀劃;計...
- 精細 : meticulous; fine; careful
- 計算 : 1 (求得未知數) count; compute; calculate; reckon; enumerate 2 (考慮; 籌劃) consideration; pla...
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Abstract : a detailed analysis is made of the errors made by the system trace, of the mutual relation between trace error and contour error and of the effect on accuracy produced by contour machining, and some computation formulas have been worked out
文摘:從進給伺服系統動態響應、滯后特性角度,較詳細地分析了跟隨誤差產生的原因,跟隨誤差與輪廊誤差之間的相互關系和對輪廊加工產生的精度影響,並給出了具體的計算公式。This paper discussed the coordinate transformation method of wgs84 coordinate system to 1954 - beijing gauss grid coordinate. introduced transformation model of wgs84 to beijing 54 and computing method of transformation parameter. according to different model and computing method, computed and compared with the result combine real data
本文詳細討論了wgs84大地坐標轉換到北京54坐標系下的高斯平面坐標的方法,重點介紹了wgs84和北京54的空間直角坐標的轉換模型及轉換參數的計算方法,並根據不同的模型和計算方法結合實際數據進行計算和結果的比較,認為採用基線向量求解的四參數模型具有較高的轉換精度,分區變換和提高控制點精度也能提高轉換的精度。In this thesis, based on racah method of two - electron atom and non - relativistic energy structure for helium - like atoms, the relativistic corrections and the fine structure of helium - like atoms, including the relativistic mass correction, the darwin correction terms, the electron - electron contact terms, the orbit - orbit interaction, the spin - orbit interaction, the spin - other - orbit interaction and the spin - spin interaction, are studied systemically using irreducible tensor. concretely, the main works of this thesis are as follows
本文以雙電子原子結構的拉卡理論和類氦離子的非相對論原子結構的計算結果為基礎,利用不可約張量理論,較為系統地研究了類氦離子的相對論效應和精細結構,包括相對論質量修正、達爾文修正、電子與電子之間接觸相互作用、軌道-軌道相互作用、自旋-自旋相互作用、自旋-其它軌道相互作用以及自旋-軌道相互作用。This paper introduces the simulation method and advanced computer technology combining with ship statics principle into cargo shipment of bulk grain carrier, and develops loading simulation system of the bulk grain carrier. and introduce the principle of system and method of implement particularly. this paper describes the relating high precision calculation algorithms of the stability, trim and strength calculation used by the loading software in detail, focuses on the algorithms of numerical value integral and curve difference and imitate algorithms
另外,本文還引入模擬的方法,採用先進的計算機技術,結合船舶靜力學原理和散裝穀物船舶穩性校核的特殊要求,開發了散裝穀物船舶的裝載模擬系統,並詳細介紹了該系統的原理和實現方法,在計算方法上,採用了高精度的浮態、穩性、和強度的計算方法。In this dissertation, the numerical computation for the acoustic radiation problem ( arp ) is studied deeply and systematically in the theory, method and the application technique, based on analyzing the situation of the home and abroad on the numerical computation 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 application of the boundary integral equation ( bie ) in acoustic radiation problem, is analyzed and proofed ; the improved combined helmholtz integral equation formulation ( ichief ) is presented to overcome the non - uniqueness problem more effectively and reliably ; 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 computation program of the cubic spline ichief is developed and its ability to overcome the non - uniqueness problem and feasibility 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法計算軟體,並通過算例考核了該方法在特徵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。1 ) based on logging datas of part of shallow layers, integrated with datas of geology, and exploitation, after analysing response features on curves of shallow gas layers, qualitative interpretation chart was established for jing35, shen67 and qinglongtai. 2 ) in jing35, shen67 areas, shallow layer gas - was reexamined and interpreted, for jing35, the results of 25 wells modified, the thickness of gas layer increased by 222. 3m, 15 wells were modified in qinglongtai field, increased by 79. 2m. 3 ) on the base of the qualitative interpretation chart, quantitative interpretation method was researched, corresponding processing program was designed
1 、論文使用的研究方法和手段1 ) 、對淺氣層發育較多地區,特別是部分已投入開發地區進行重點研究,分析其測井響應特徵; 2 ) 、對淺氣層地質、電性特徵進行研究,分析適合於淺氣層的測井系列,建立氣層定性解釋分析圖版; 3 ) 、引入相應的數學手段,在定性分析基礎上,研究建立相應的測井解釋方法; 4 ) 、編制相應的計算機解釋處理程序; 5 ) 、利用解釋圖版,復查挖潛部分油田的淺層氣,對部分井進行精細處理解釋,尋找新氣層。This paper deals with the problem of crosstalk mitigation at both methodological and algorithmic levels. noting that intermediate operations between global routing and detailed routing are very effective in crosstalk estimation and reduction, the authors propose to incorporate several intermediate steps that are separated in traditional design flow into an integrated routing resource assignment stage, so that the operations could easily cooperate to fully exert their power on crosstalk reduction. an efficient priority - based heuristic algorithm is developed, which works slice by slice
在布線的各階段中,總體布線有較大的靈活性,但對各區域或信號線上的串擾難以估計詳細布線可以精確地計算串擾,但靈活性太小,往往出現反復拆線重布,難以達到設計收斂相比之下,總體布線和詳細布線中間的階段既有一定的靈活性,又可以相對準確地計算噪聲,是解決串擾問題的理想時機。We design inversion control circuit with cmos figure pll cd4046 act as core and microprocessor 80c196kc act as assistant controller. adopting a control method that combine fuzzy controller and pll control, improve induction heating power succeed in startup. adopting electric current voltage pair closed loop feedback design, with trough route capacitance voltage and trough route electric current act as pair closed loop feedback signal, guarantee induction heating power output accuracy
並對系統主電路的元器件參數進行了詳細的計算;設計了以cmos數字鎖相環cd4046為核心、以80c196kc作為輔助控制器的逆變控制電路;採用了模糊邏輯與鎖相環相結合的控制技術,提高了電源的啟動成功率;採用電流、電壓雙閉環反饋方案,採用槽路電容電壓和槽路電流作為反饋信號,從而保證了電源功率的輸出精度。Firstly, the author, in this essay, has proceeded from the compiling principles of the trajectory report and the actual situations of the field troops, analyzed the defects and shortcomings of the present compilation of the trajectory report, and described systematically the principles and procedures of computing the layer power by the methods of statistical analyses. thereupon, a complete model of computing the layer power has been established and the computation results of the proximate layer power have been found out by simplified process. secondly, the comparison computation has been conducted in accordance with the paired projectiles of 122mm, 152mm and 155mm guns equipped in our army, and test and analyses of the research results have been carried out
論文中,作者首先從彈道通報的編制原理和部隊的實際使用情況入手,分析其缺陷,進而結合統計分析的一般方法系統地描述了計算層權的原理及過程,建立了計算精確層權、近似層權的完整模型,並通過計算與統計,詳細給出了專用及通用近似層權的計算結果,然後針對我軍裝備的122mm 、 152mm 、 155mm彈丸進行對比計算,對研究結果進行了檢驗與分析;最後,針對計算機氣象通報的特點,論證了對其作進一步改進的可行性與必要性,提出了相應的措施。In a word, a new method that theoretically calculates the relativistic corrections and the fine structure of the energy levels in two - electron atom, including the atomic hamiltonian expressed by spherical tensors, the calculation of the angular matrix elements and the summations over spin of the various interactions in the atomic hamiltonian, and the approximate calculation of the radial matrix elements, has been provided in this thesis
總之,本文為雙電子原子能級的相對論修正和精細結構的理論計算提供了一種新的方法,包括原子哈密頓算符的球張量表示方法、原子哈密頓中各種相互作用項的角向矩陣元和自旋求和的計算方法,以及徑向矩陣元的近似計算方法With a purpose to provide basic data or figures for the feasible research of a project construction and its planning, taking the practical project of preselecting a factory location for an instance, using the principle and method of shallow seismic reflection, based on the area conditions, differences in physical features and disturbance, with experiments on typical sections of the construction area, one can draw reasonable measuring lines, choose right modes of producing and receiving waves, conduct primary and precise computer data processing, acquire a distinct reflected wave section from a shallow depth and explore the stratum structure in the preselected location and the distribution of longitudinal waves
摘要結合某重大工程預選廠址項目的工程實例,利用淺層地震反射波法的原理和方法,根據現場的場地條件、物性差異和干擾情況等,結合典型地段的試驗,合理布置測線,選擇恰當的激發和接收方式,進行初步和精細的計算機資料處理,可以得到清晰的淺層反射剖面,準確地查明了預選廠址的地層結構和縱波速度分佈,為工程建設的可行性研究和規劃提供了基礎資料。Fluent english, mandarin, cantonese and teochew ; excellent computer skills ; general erudition and intimate familiarity with both cultures ; good team - work ; great attention to detail with excellent work ethic ; remarkable communication
英語、普通話、廣州話和潮汕話流利;熟練的計算機技能;諳熟中西方文化;良好的團隊合作精神;工作敬業,注意細節;溝通能力強。Based on the pim, the closed - loop and closed - open - loop control algorithm under the instantaneous optimal control strategy are acquired, so it has practical significance in active control. at last, the simulation analysis of numerical examples demonstrate that the methods are superior to the conventional numerical methods, and has excellent precision, efficiency and stability
最後,在c + + builder環境下編制各演算法程序,算例模擬結果表明,本文演算法優于經典數值解法,有很好的計算精度、效率及穩定性,且精度易於控制;同時,用精細積分下結構控制演算法進行結構控制模擬,得出較理想控制效果。However, via intensive numerical computation, the author finds that actually some characteristic of this confidence intervals, for example, confidence coefficient, expectation width and coverage efficiency fluctuate intensely when the sample size varies given the parameter, or when the parameter varies given the sample size
但是我們通過精細的數值計算發現,由於總體分佈的離散性,這些置信區間的特性(置信系數、期望長度、覆蓋效率)實際表現為當參數固定隨著觀測次數(樣本值)變化或當觀測次數固定隨著參數變化而發生強烈震動。Academician prof zhong wan - xie presented precise integration method firstly in 1993, and ordinary differential equation can be solved precisely by this method. in this article, improved precise integration method is given firstly. then on the basis of improved precise integration method, a new method for calculating the response of dry friction system is presented, and the calculation precise degree of this method is tested by the comparison with ihb method
1993年鐘萬勰院士提出了精細積分法,它可以精確求出常系數常微分方程的數值解,本文首先提出精細積分改進演算法,進一步提高了其計算精度,然後在改進的精細積分法基礎上對于摩擦系統響應的計算方法進行了研究,並用ihb法對這種計算方法的計算精度進行檢驗,結果證明這也是計算干摩擦隔振系統響應的有效方法之一。Firstly, it introduces the development of speech coding, along with the significance of the low bit rate speech coding. it also compares the model of traditional dualistic excitation lpc vocoder and the multi - band excitation vocoder, and lucubrates the analytical method of frequency domain and time domain in the parameter extraction of multi - band excitation vocoding. secondly, based on the parameter extraction operation of keynote cycle, it adopts time domain in rough estimate operation of keynote and frequency domain in fine estimate operation of keynote, in according to the immediacy required in practice, to minish operation amount
本文闡述了一種基於fpga的多帶激勵語音編碼器的研究與設計,首先介紹語音編碼研究的發展狀況以及低速率語音編碼研究的意義,接著對比分析了傳統二元激勵lpc聲碼器模型和多帶激勵編碼器模型,並深入研究了多帶激勵語音編碼參數提取的頻域和時域分析法,然後根據實際應用的實時性要求,為了減小運算量,在基音周期參數的提取的演算法實現上,本文採用在時域進行基音粗估運算,在頻域進行基音精細估計運算。In the positive - issue research of bird impact, the thesis carefully explores the basic theories, finite element numerical method and key techniques of the solution process in ls - dyna3d software system for contact - impact issue of viscoelastic bodies at large deformation. the well - chosen cases examine the accuracy of solutions in ls - dyna3d for large deformation impact issues. under the proof work, the incremental constitutive equation of bilinear and nonlinear viscoelastic materials are derived, coded and verified in ls - dyna3d
在鳥撞正問題的研究中,本文詳細推導了大變形粘彈性接觸-碰撞有限元分析的基本理論、數值計算方法、求解過程、關鍵技術以及上述內容在ls - dyna3d中的具體應用,算例考察了ls - dyna3d在求解碰撞以及大變形問題上的計算精度,同時推導了線彈性材料、雙線性彈塑性材料以及非線性粘彈性材料增量法迭代方程,編制了相應的用戶自定義材料子程序,並進行了子程序驗證。For the transmission system ' s the least displacement sensitivity, affection factors of positioning accuracy, system toughness and natural frequency, the paper calculates them carefully. through a great deal of work as above, we affirm that the project of total structure design is feasible
對于該傳動系統的最小位移靈敏度、定位精度的影響因素、系統剛度及固有頻率都進行了細致的計算,肯定了所提出的結構設計方案。After clarifying the connotation of model resolution, the dissertation analyzed two main factors influencing mrm credibility ? precision and consistency. an approach for quantitative measure of model resolution was put forward based on lod ( level of detail ) and dod ( degree of detail ), the concept of doc ( degree of consistency ) was given out and the measure and calculation of it were provided
論文在進一步明確模型解析度的概念和內涵的基礎上,分析了影響多解析度建模與模擬可信性的兩個主要因素? ?精度和一致性,提出了一種基於描述的細節層次和詳細程度的模型解析度定量度量方法,給出了一致度的定義、度量和模型間一致度的計算。Secondly, the adaptive integral method is studied in detail. the two key techniques used in aim are introduced in roundly. they are : fast and efficient solutions of auxiliary basis function, and fft used to accelerate the computation of toeplitz matrix and vector multiplication
接著,詳細研究了自適應積分方法的基本原理和數值實現方法,並深入研究了數值實現中的兩個關鍵問題:輔助基函數的快速精確求解和fft加速多層拓撲利茲矩陣與矢量相乘的計算。分享友人