有理分數 的英文怎麼說

中文拼音 [yǒulǐfēnshǔ]
有理分數 英文
rational fraction
  • 有 : 有副詞[書面語] （表示整數之外再加零數）: 30 有 5 thirty-five; 10 有 5年 fifteen years
  • 理 : Ⅰ名詞1 （物質組織的條紋） texture; grain （in wood skin etc ） 2 （道理;事理） reason; logic; tru...
  • 分 : 分Ⅰ名詞1. （成分） component 2. （職責和權利的限度） what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] （料想） judge
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 有理 : 1 （有道理） reasonable; justified; in the right 2 [數學] rational; 有理函數 rational function; ...
  1. And the deficiencies are pointed out in present researches, such as highway capacity, level - of - service, influence factor of road alignments, etc. from these, it has confirmed that the thesis should be studied from rational analysis, quantitative analysis of level - of - service, impact on capacity of road alignments, setting - up simulation model, etc. the high - accuracy gps dynamic data acquisition appearance is proposed to be used for the first time to carry on the experiment of overtaking on two - lane highways, and experiment scheme is designed according to the driver ' s perceive to judge each overtaking course. based on the experiment data, it can get two important parameters of acceptant gap ? the critical gap of overtakable time headway and returnable time headway through data processing, which can offer the strong support to the research of two - lane highway capacity with qualitative and quantitative analysis. besides, the experiment methods is provided to observe overtaking ratio and to measure the

    研究中首次提出了運用高精度gps動態數據採集儀對雙車道公路上的超車行為進行觀測，設計了根據駕駛員感受度來衡量超車過程的實驗方案，並通過後期數據處理得到了超車過程中兩個重要的可接受間隙參數-可超車車頭時距和可回車車頭時距的臨界間隙值，為定性和定量分析雙車道公路通行能力提供有力的數據支持;同時，還提出了觀測超車率的實驗方法以及測量加速度干擾的實驗方案，統一了計算加速度干擾的時間統計間隔，為雙車道公路的服務水平量化研究奠定基礎;最後還簡單介紹了駕駛員問卷調查法和模擬程序中模型參數標定和驗證的數據採集方法。
  2. They represent 38. 1 % of the total species that have been identified. we performed preliminary study on those mycofiora of agarics under those forests. based on our study, we identified one tropical element family : entolomataceae, two north temperate element families : hygrophoraceae and cortinariaceae ; the other 11 families all belong to cosmopolitan element

    根據論文所研究的傘菌類群，從科的地理分佈看，熱帶亞熱帶成分只有粉褶菌科entolomataceae一科；北溫帶成分的科有兩個，即蠟傘科hygrophoraceae和絲膜菌科；其餘的科均為世界廣布的科，占總科數的78 . 6 。
  3. The model of the itr between a1n and cu is built by using the acoustic mismatch model, amm and diffuse mismatch model, dmm. because there is a limit of roughness and temperature in amm and dmm, the data of the theory model that is directly built by amm and dmm is far from the experimental data. accordingly, with dmm and traditionary methods, the mathematics model is posed by contrast and analyses of the experiment data

    由於聲失配理論和散聲失配理論對溫度和粗糙度有很嚴格的要求，所以直接建模所得的理論數據與實驗數據有很大的差距，本文採用聲失配理論與傳統研究方法相結合，通過與實驗數據的分析擬合，提出了修正的數學模型，預測誤差有了大幅度的提高。
  4. The scielltific computational theories and methods on bird strike to the windshield of aircraft have been systematically studied and summed up in this thesis, such as fem comptltational principles and procedures to elastic dynamic problems under the conditions of small and non - linear finite deformation, 3d viscous elastic constitutive theory and incremelltal expression under the consideration of the rate effect of non - metallic materials like the aircraft windshield, and the numerical compatational principles and key constitutions for impact - contact dynamic subjects

    2 、系統學習並歸納總結了鳥體撞擊風擋結構問題中的科學計算理論與計算方法。按照鳥撞問題數值計算方法逐步深入的思路，系統總結了小變形結構動力學有限元數值計算方法、有限變形的幾何非線性有限元數值計算方法、粘彈性體非線性形變的本構物理關系；對于實施復雜結構有限元動力學計算的載荷增量方法提出了對newmark差分的改進以及進行材料與幾何非線性數值計算的細致步驟。
  5. The approximation analysis result of band dipole model is obtained on the basis of the theory of mfl. the electromagnetic distribution feature of the defect in the steel panel is studied by means of simulation. the leakage magnetic distribution of the two defects and four defects plural and the defects in the column differently in the width are also assayed. conclusions that factors affecting flaw magnetic leakage to the panel also affect the column and magnetic leakage bx should be the feature of the flaw identification to several flaws are drawn

    在對漏磁檢測原理進行詳細介紹的基礎上，得出了帶偶極子模型的近似解析解，並以有限元數值模擬分析為主要手段，以鋼板上缺陷為對象，分析了各因素對缺陷漏磁場產生影響的不同規律，同時模擬分析了板上平行的兩條裂紋，四條裂紋以及柱體上寬度不同時的裂紋的漏磁場分佈特徵，得出結論:影響板上缺陷漏磁場的諸因素會對柱體上缺陷漏磁場產生同樣的影響;對于多條裂紋，宜用漏磁分量bx作為缺陷識別的特徵量。
  6. This text considers that permeation teaching is the main way of mathematics method of thinking ' s teaching, and analyzes permeation teaching of the different moment, particularizes two individual cases example : anatomizes mathematics method of thinking of the chapter cleping " rational number ", and the project of its permeation teaching ; anatomizes the teaching measure of making students from feeling numeral - form combination method of thinking, to agile using it

    本文指出滲透是數學思想和方法教學的主要方式，分析了不同階段的滲透教學，並列舉了兩個案例：剖析有理數一章的數學思想和方法，及其滲透方案；分析學生從感悟數形結合的思想方法，到靈活運用的過程中的教學措施。
  7. A rational function is continuous on any finite interval where the denominator is bounded away from zero.

    有理函數在任何有限區間上都是連續的，其中分母遠離零值。
  8. Meromorphic functions that share rational functions

    分擔有理函數的亞純函數
  9. Fpga and dvb standard are introduced firstly, dvb - c standard and composition of its system are analyzed completely, development of modulator structure and dvb - c digital modulator composition are presented, more over, analysis of respective modular are given. then, principle of dvb - c digital modulator system are presented, they are error control technique 、 mqam 、 nyquist rule and root raised cosine filter 、 window design method for fir filter 、 multi - rate signal processing ( integer interpolating, conversion of fractional sampling, equal conversion of net structure, polyphase structure for filter, poly - phase structure for interpolator, multi - stage implementation of samplying conversion ) 、 distrubited algorithm 、 cic filter 、 dds 、 cordic algorithm

    接著，專門利用一個章節闡述了dvb - c前端調制系統原理，他們了差錯控制技術、多進制調制（ mqam ） 、 nyquist準則與平方根升餘弦濾波器、有限沖擊響應濾波器的窗函數設計法、多抽樣率信號處理包括（整數倍內插原理、分數倍抽樣率轉換、網路結構的等效結構、濾波器的多相表示、內插器的多相表示、抽樣率轉換的多級實現） 、分散式演算法、 cic濾波器、直接數字頻率合成（ dds ） 、 cordic演算法。
  10. In the framework, a control mesh may be arbitrary one - dimensional or two - dimensional orientated topological manifold, and the curve or surface is defined on differential manifold homeomorphic to the control mesh with a potential function as its basis functions. this method is an extension of nurbs, which efficiently overcomes the limitations of nurbs

    廣義有理參數曲線曲面定義在與控制網格拓撲同胚的微分流形上，以高度一般的勢函數為基函數，其控制網格可以是任意的一維拓撲流形和二維可定向拓撲流形。
  11. In chapter 2, we study the regularity of solutions of some second order differential equations. in chapter 3, we study the regularity of solutions of higher order non - homogeneous differential equations where coefficients are rational functions or super entire functions. in chapter 4, we study the regularity of solutions of higher order homogeneous differential equations where coefficients are super meromorphic functions

    其中第二章研究了某些二階方程解的正規性；第三章在系數分別為有理函數和超越整函數的情況下研究了高階非齊次方程解的正規性；第四章在系數為超越亞純函數的情況下研究了高階齊次方程解的正規性；第五章則是假設在方程系數為正規亞純函數的條件下得到的解的增長性方面的結果。
  12. Simultaneous identification of system order and parameters based on rational fraction equality

    基於有理分式等價的系統階次和參數同時辨識
  13. Nurbs curve equation has three kinds of the equivalence form, i. e. rational fraction, rational base function and homogeneous coordinate

    Nurbs曲線方程具有三種等價形式：有理分式表示、有理基函數表示和齊次坐標表示。
  14. General multivariate rational fraction function limit is discussed. the several necessary and sufficient conditions on the existence of limit are given ， and the result in present literature is popularized

    討論了一般多元有理分式函數的極限問題，給出了幾個極限存在的判別定理，並推廣了已有的結果
  15. Though the rational fractions based on one - variable ( vector valued ) continued fractions have been used in other engineering fields, its application in the field of digital image processing has n ' t yet been reported in the literature so far. 2

    基於一元（向量）連分式形式的有理分式已應用於其它工程領域，但基於矩形網格和三角網格上的混合有理插值在數字圖像處理領域目前還沒看到這方面的報道。
  16. In part two, the focus is on the stabilizability and detectablity of 2 - d singular systems. necessary and sufficient conditions for stabilizability and detectablity of 2 - d singular systems are obtained respectively, and the relationship between bibo stability and internal stability is discussed based on this conditions. the observer design procedures are also provided

    在能穩性和能檢測性部分，用頻域研究方法，分別給出了2 - d奇異系統能穩、能檢測的兩個等價條件，一個是能穩、能檢測的秩判別條件，另一個為bezout恆等式存在穩定的有理函數矩陣解。
  17. And the last, some sea trial results show that the match among the main engine and propeller is slightly heavy for the real vessel construction. although the reasons are very complex, most of them can be resolved by the method of propeller trailing edge modification. because of lack of guidance in theory, the actual quantities of modification were very difficult to decided and lots of quarrels may be raised between the shipyard and the owner before

    最後，針對實際船舶建造過程中，部分船舶的試航結果表現出來的機槳匹配稍重問題，雖原因比較復雜，但絕大部分可以採用螺旋槳隨邊修正的方法解決，因為沒有理論數據給予指導，很容易引起爭議，在具體修正的數量上較難卻定，其修正後的螺旋槳工況更難準確預報。
  18. Its properties and design method is discussed in chapter 4. for control meshes with arbitrary topology, we present a universal method in chapter 5 to construct parametric curves and surfaces. generalized rational parametric surface can be controlled precisely and flexible, and it is easy to model local features and 3d primitives

    然後，在第五章中，我們將控制網格進一步推廣到任意可定向二維拓撲流形，提出了一個通用的方法將控制網格映射到與之拓撲同胚的微分流形上，統一了廣義有理參數曲線曲面的構造過程。
  19. The basic idea to construct grpcs is to establish object topology first, then use geometry to change the shape of differential manifold. in chapter 2, we discuss the theoretical framework of grpcs that includes some relative idea about differential manifold. firstly, the definition of potential function on manifold is given

    本文首先討論了廣義有理參數曲線曲面的理論基礎，依次闡述了黎曼幾何中關于流形、函數和映射的基本概念，並在此基礎上提出了微分流形上勢函數的定義。
  20. By employing the potential function, we construct the unit partition on differential manifold. and then, by regarding the curve and surface as a map from differential manifold to topological manifold, we present the framework of grpcs and discussed its basic properties in detail

    然後通過勢函數來構造微分流形上的單位分解，將曲線曲面看作微分流形到拓撲流形的映射，給出了廣義有理參數曲線曲面的整體理論框架，並對廣義有理參數曲線曲面的基本性質進行了討論。
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