理論數 的英文怎麼說

中文拼音 [lǐlúnshǔ]
理論數 英文
theoretical value
  • 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...
  • 論 : 論名詞（記錄孔子及其門徒的言行的「論語」） the analects of confucius
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 理論 : theory
  1. 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。
  2. Through the comparison of the theoretic data and the measured data, the windage between the measured blade and the designed blade is judged to direct the manufacture of blades

    通過被測數據與理論數據的比較，判斷被測葉片與設計葉片之間的偏差來指導加工。
  3. Quantities used in alternating current theory ; two - line circuits

    交流電理論數值.雙線電路
  4. Quantities used in alternating current theory - part 2 : multi - line circuits

    交流電理論數值.第2部分:多線電路
  5. Theories, numerical values and experiments indicates that chaos motion exists in all the fields of natural science ( even in sociology ), which means that chaos motions is a motions of matter in nature and exists extensively in many non - linear systems

    來自理論、數值計算和實驗手段所揭示的自然科學（乃至社會科學）各個學科領域的許多系統中存在混沌運動的事實表明：混沌運動也是自然界物質運動的一種形式，而且它也廣泛地存在於相當多的非線性系統中。
  6. There are three undergraduate programs that lead to the degree bachelor ' s of science in mathematics : a general mathematics option, an applied mathematics option for those who wish to specialize in that aspect of mathematics, and a theoretical mathematics option for those who expect to pursue graduate work in pure mathematics

    大學部有三種數學學士的課程規劃：一般性數學學位、針對想要鉆研應用數學的應數學位、針對想要研究純數的理論數學學位。
  7. Optimization design is an uptodate measure to seek the most perfect and optimum design proposal, and the mathematical principle of optimization had application in engineering design. it incorporate the speciality design theory, the optimization methods of mathematics and the computer art, accommodate a scientific design approach and a significant layout strategy for design engineering, and it can heihten design efficiency and advance designing quality. enginneering science must envisage economic construction, so it is beyond all doubt that the optimization design as the final approach of engineering development

    優化設計是把最優化數學原理應用於工程設計問題，在多個設計方案中尋找到盡可完善的或最適宜的設計方案的一種現代設計方法。優化設計集專業設計理論、數學最優方法和計算機技術於一體，為工程設計提供了一種重要的科學設計方法，能夠大大提高設計效率和設計質量。工程學科必須面向經濟建設，優化設計作為工程設計的最終目標是毫無疑義的。
  8. This formula used inverse regression and data fusion technical and maximum likelihood theory, then this method enabled random sample value obtained in ultrasonic and rebound method of different detection population to mix together effectively, and reach estimation of concrete strength

    該公式利用逆回歸理論、數據融合技術和最大似然原理，將回彈值和聲速值分別看作被解釋變量，將來自超聲法和回彈法不同量綱的檢測數據進行有效融合，得出混凝土強度的推定值，該推定結果具有無偏性和方差最小性質。
  9. Structural optimum design, which incorporates the speciality design theory, optimum methods and computer technology, is to make structural design scheme rationalization, scientific and satisfactory

    結構優化設計是集專業設計理論、數學最優化方法和計算機技術於一體，是一種使結構設計方案合理化、科學化、滿意化的設計方法。
  10. Then ， we complete the intermediate frequency digital acquisition and tracking circuits according to the band pass sample theory, digital signal processing theory, multiple rate signal processing theory and digital filter theory

    接著，基於帶通信號采樣理論，數字信號處理理論，多速率信號變換理論，數字濾波器理論，設計出了中頻數字捕獲與跟蹤電路。
  11. The target locating is a classic and important problem of the underwater signal processing. based on the theory of array signal processing, the paper is devoted to the study of the theories and application technologies of doa estimation and underwater array signal processing in a systematic and detailed way, especially on the design of the digital multi - beamforming system

    目標定向技術是水下信號處理研究的經典問題和重要方向，本文以目標定向和陣列處理理論為基礎，從實際應用出發，系統研究了水下目標定向和陣列信號處理的相關理論和實現技術，包括陣列信號處理的基本理論，數字多波束系統的設計。
  12. But compared with the present experimental data, our results show fair agreement with them, ( ii ) the correlation energy of charged excitons versus the quantum well width is also basically conformed to the previous results

    （ 2 ）帶電激於體系的相關能隨階寬的變化與前人的結果大致相符，其絕對值略低於前人的理論數值，但是曲線的變化趨勢保持一致。
  13. Effects of depth and forward speed on hydrodynamic coefficients of ships are presented in this paper

    摘要本文利用切片理論數值研究了淺水中前進船舶的水動力系數。
  14. Using the velocity of bulk acoustic wave and surface acoustic wave in the aluminium sheet measured by this system, elastic constants of aluminium are deduced

    通過實驗檢測鋁板的超聲回波，求出了鋁的超聲波速度，並根據固體力學理論，得出了與理論數值相符合的材料的彈性模量。
  15. In the mechanics of composites material the term homogenization indicates the passage from the micro to the macro scale to relate the mechanical properties of the composites material to the properties of the single phases

    這種假定使我們在編織復合材料的強度和剛度性能分析中能採用均勻化理論數值模型。編織復合材料的均勻化過程提供了從材料微觀尺度的力學性能到宏觀尺度力學性能名義參數的橋梁。
  16. Consulting relevant reference and related theories in software radio, this thesis is working on technologies of digital channelized receivers, including the theories on a / d sampling, digital down converter, multi - velocity signal processing, polyphase filter and uniform dft filter bank

    本文針對電子偵察系統數字化實現，對數字式通道化接收機的相關技術進行了研究:包括a / d采樣的理論、數字下變頻相關理論、多速率信號處理的理論、多相結構優化抽取濾波、均勻dft濾波器組。
  17. When dicussing reliability design and reliahbaiiy ensuring methods, a new reliability calculating model of petroleum logging tools is presented, reliability assurimg technologies should be taken in petroleum logging tools and their using approaches are presented and stated from electricity design and mechanical design, reliability system model of petroleum logging tool is set up according to the latest reliability theory, reliability indexes of petroleum logging tool and their acquiring ways are discussed, the reconmended reliability indexes ( mwture, nolwnm, mtbf, mttf ) of petroleum logging tool are presented : the mean working time under rated error ( mwture ) of the new tool is obtained through experiments. when studying data processing methods, the property of gamma - ray signal is stated and the type of it ' s measuring error is examined using statistical method, the basic theory of digital filtering and the basic situation of digital filtering methods are introduced and analyzed, the factors affecting digital filtering effect to gamma - ray signal and the effect of digital filtering to logging curve are analyzed, the evaluting criteria ( rvi, rmse, sfi ) of digital filtering effect are set up from two aspects, named as real value acquiring of steady section and the formation boundary checking and processing, the related filtering methods and examining methods are given out. the design methods of digital filter used to process gamma - ray signal are discussed, the mixed filtering scheme of natural gamma - ray log is presented, the realization ways are discussed. the selective filtering system and it ' s realization flow are given out through quantitive reseaching to part of digital filters, three new filtering sheme will be used to process gamma - ray signal in era2000 logging system

    在探討可靠性設計與可靠性保障技術時，提出了石油測井儀器的可靠性計算新模型，從電氣和機械兩個方面，提出並闡述了應採用的可靠性保障技術及其使用方法：根據最新可靠性理論，建立了石油測井儀器的可靠性系統模型，探討了石油測井儀器的可靠性指標及其獲取途徑，提出了推薦使用的石油測井儀器可靠性指標（ mwture ， nolwnm ， mtbf ， mttf ） ；通過試驗，得到了所設計儀器的穩定工作時間（ mwture ） 。在研究數據處理方法時，闡述了伽瑪信號的特徵，對測量誤差類型進行了統計檢驗；介紹了數字濾波的基本理論、數字濾波方法的概況，並進行了分析；對伽瑪信號數字濾波效果的影響因素及其對測井曲線的影響進行了基本分析；從獲取平穩段真值、地層邊界的檢測與處理兩個方面，建立了數字濾波效果的評價準則（ rvi ， rmse ， sfi ） ，給出了相應的數字濾波方法及效果評價方法；探討了自然伽瑪信號數字濾波器的設計方法，提出了適合自然伽瑪測井的混合濾波方案，探討了混合濾波方案的實現途徑；通過對部分數字濾波方法的定量研究，給出了靈活可選的數字濾波系統構成及實現流程；提出的三種濾波方案，將用於era2000成像測井系統，對自然伽瑪測井數據進行濾波處理。
  18. Aiming at crack problems in important hydraulic concrete structures, the cause, evolution rule and abnormality diagnosis of the crack are studied in this dissertation by using advanced theories and mathematics and mechanics, such as rough set theory, data mining, neural network, wavelet analysis, chaos theory, and so on, combining with prototype observation data. the main contents are as follows. ( 1 ) mining of cause of crack is proposed by using logic diagnosis, rough set theory, and data mining technique

    本文針對重大水工混凝土結構運行期的裂縫問題，應用粗集理論、數據挖掘、神經網路、小波分析、混沌理論、突變理論等前沿數學方法及斷裂力學等力學方法，以及數值模擬等數值模擬方法和邏輯診斷方法，結合實測資料，對運行期裂縫的成因、演變規律以及轉異診斷等方面進行了系統的研究。
  19. 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。
  20. For the first time, the internal gear is measured on three - coordinate measuring machine, gear error of internal gear is calculated and analyzed by comparing the measuring data with the desired data. the result of analyzing reveals the correctness of math model and manufacturing method

    首次在三坐標測量機上實現了中心輪內齒圈齒形的檢測，並把檢測數據與理論數據進行比較，求出了中心輪內齒圈的齒形誤差，通過對齒形誤差的分析，證明了以上數學模型是正確的，加工方法是可行的。
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