模數算術 的英文怎麼說

中文拼音 [shǔsuànshù]
模數算術 英文
modular arithmetic
  • : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
  • : 數副詞(屢次) frequently; repeatedly
  • : Ⅰ動詞1 (計算數目) calculate; reckon; compute; figure 2 (計算進去) include; count 3 (謀劃;計...
  • : 術名詞1. (技藝; 技術; 學術) art; skill; technique 2. (方法; 策略) method; tactics 3. (姓氏) a surname
  • 模數 : [物理學] modulus; module; modulo; mod
  • 算術 : arithmetic figure; arithmetic
  1. This research work on bird striking has a long history and already got plentiful achievemellts in theories and experiments, howevef, still a long way no doubt waits to go for sophisticated research work on it more detailed to apply to airframe engineering quantitatively in combination wth the technical reformation of the birdstrike experimelltal system in our laboratory, this thesis deeply studies and analyses the numerica1 computation and simulation methods to birdstrike dynamic response problem based on finite - elemefit - method ( fem ) numerical emulation and modem large - scale scientfic computation software

    本文結合我公司鳥撞實驗體系技改造項目,應用有限元值計擬技及現代大型科學計工具,對鳥體撞擊飛機風擋結構的動力學響應問題進行了系統學習與研究探討,初步掌握了科學計方法,獲得了計擬的實踐經驗,為今後深入應用大型科學計手段進行撞擊類科學問題的研究以及深入應用於工程實踐奠定了強有力的工作基礎。
  2. In this dissertation, the analog - digital channelized receiver is studied. the optimized system, spectrum reconstructing and accuracy signal frequency estimation algorithms are researched

    本文研究了混合通道化接收方案,著重研究其優化結構和關鍵技以及線性調頻信號參估計演法。
  3. Firstly, four alternative mode was introduces for h. 263 data compress arithmetic : the mode of nonrestrictive sportive vector, syntax - based arithmetic coding mode, the mode of supernal forecast, and the mode of pb frame

    首先詳細介紹了據壓縮演法h . 263以及h . 263演法的四個可選式:非限制運動矢量式;基於語法的編碼式;高級預測式; pb幀式。
  4. The calculation methods of shelters ’ capacity and the discount method of road capacity under the situation of emergency evacuation were given. then, taking emergency evacuation of the beijing 2008 olympic games as an example, we make out the emergency evacuation preplan for olympic games. on the aid of the advanced computer system simulation techniques, using emergency evacuation simulation software to animate the whole process of olympic evacuation for the fist time, and got some key parameters that can provide decision making supports for decision - makers, such as, the whole evacuation time, the average evacuation speed etc. and the simulation results were analyzed

    本文首先分析了我國大城市的交通狀況和突發事件發生狀況,在分析國內外應急疏散研究現狀的基礎上,借鑒國內外應對突發事件應急疏散的經驗和教訓,結合我國大城市突發事件應急疏散的具體特點,提出了大城市突發事件應急疏散研究的總體框架,提出了突發事件應急避難所和應急疏散道路的選擇原則,給出了應急避難所的容量計方法和疏散道路在應急狀態下的道路通行能力的折方法;然後以北京2008年奧運會突發事件的應急疏散為例,制定了奧運會突發事件應急疏散預案,藉助先進的計機系統擬技,首次利用應急疏散擬軟體orems對整個疏散過程進行了擬,得到了總體疏散時間、平均疏散速度等可以為決策者提供決策支持的關鍵參,並對擬結果作了分析。
  5. As the popularization and application of integrate logistics support engineering thinking at our country industry field and the military continuously, the evaluation of equipment integrate logistics support capability become the mostly means to check up the stand and fall of equipment character of supportable design, the efficiency of the equipment using supportability and the decision - making to equipment ' s continuous model development, at the same time, along with the development and maturity of computer simulation technique, the research of analysing and evaluating equipment ' s effectiveness steps into a new stage, we can get the handle and maintain data on the base of originally lasting accumulating in existence by utilizing the computer emulating technique, which is necessary to analyzing and evaluating the ground - to - ground missile ' s integrate logistics support effectiveness, via simulating the handling and maintaining process of ground - to - ground missile weapon, we can evaluate the ils effectiveness comp rehensively, impersonally, veraciously, consequently, provide decision - making gist to make the best support project

    隨著綜合保障工程思想在我國工業界和軍方不斷普及和推廣應用,裝備綜合保障能力的評估成為檢驗裝備保障性設計好壞、裝備使用保障效能高低以及裝備后續型號發展決策的主要手段,同時隨著計擬技的不斷完善和成熟,裝備效能分析與評估研究進入了一個新階段,我們可以在導彈武器綜合保障效能分析與評估所需使用與維修據原始積累的基礎上,利用計擬導彈武器在真實使用環境中的使用維修過程,達到對導彈武器系統的綜合保障能力進行更全面、客觀、準確的評價目的,從而為裝備保障部門制定最優的保障方案提供更好的決策依據。
  6. Based on this milti - hierarchical model, application method for information organization of part is presented. chapter 3 proposes a new rule of arbitrary maximum angles of chord for triangulation and locale optimum, which avoides calculating angles of conventional methods in mesh simplification. moreover, with the introduction of arithmetical average windage concept, optimum method for the boundary mesh retriangulations is presented

    第三章針對曲面網格簡化操作過程中出現的空洞剖分問題,討論層次型的網格優化方法,提出了基於弦內角最大準則的局部網格簡化方法;針對網格曲面上存在的曲折邊界缺陷,提出以邊界輪廓平均偏差作為邊界曲折程度評定參的邊界平滑優化剖分方法。
  7. Abstract : according to the related principle of forming precision andmicrostructure on the condition of deformation and thermodynamic parameters, hot forming process control of large forgings, such as retaining rings and crand - shafts, is investigated by means of computer simulation combined with thermodynamic and micro - simulation in this paper

    文摘:本文採用熱力擬、微觀擬和計擬相結合的擬技,根據變形條件、熱力參與成形精度和組織結構的相關性原理,以護環、曲軸大鍛件為例,進行了熱成形可控性的研究。
  8. At the beginning of the paper, a literature review on the domestic and abroad researches of container terminal logistics system is provided introducing some computer simulating model technology apply case on container terminal logistics system on the domestic and abroad ; secondly this article introduce the element and characteristics of container terminal operation system, specially operation flow, controlling principle ( including gate testing principle, ship controlling principle, quay operating principle, yard i / o operating principle, yard running system ), followed by quality evaluating index and empiristic formulas of container terminal. at last, the paper introduces the basic components, layout, loading and unloading process flow of tian jin container terminals, evaluates the related performance parameters and at last introduces some related empiristic formulas based on the historical data of an actual terminal

    本文首先回顧了國內外集裝箱碼頭物流系統的研究動態,介紹了國內外計擬技在集裝箱碼頭物流系統擬中的應用情況,然後介紹了集裝箱碼頭作業系統的組成和特點,以及其裝卸工藝、作業流程、操作原則(包括大門檢查箱作業原則、船舶調度管理原則、碼頭前沿操作原則、堆場存取箱作業管理原則、堆場管理系統) ,接著介紹集裝箱碼頭系統的性能評價指標和碼頭通過能力經驗公式及出入口車道,並結合天津港集裝箱碼頭物流系統的特點,系統地介紹了天津港集裝箱碼頭的基本組成、布局、裝卸工藝、作業流程后,評估了集裝箱碼頭物流系統的相關性能指標,並結合實際碼頭的歷史據,介紹一些相關的經驗公式。
  9. Evading risk in financial trading market cries for pricing options to a nicety. asian option, as the most flourish options in the finace market, the pricing has been focused on always. the exact pricing formula for the geometric average asian option had existed, but as to the european - style arithmetic average asian option, due to the dependence structure between the prices of the underlying asset, no analytical formula exists. on the hypothesis that the market is frictionless and without transaction costs 、 on the base of b - s ’ s and in the binomial tree model, we provide several algorithms for computing an accurate value of the european - style arithmetic average asian option. following rogers and shi and by jensen ’ s inequality, many different upper and lower bounds are provided ; meanwhile a formula have got by the comonotonicity and approximating the distribution function. all of the algorithms are easy for programming. with the development of computer, more accurater price can be computed quickly. and numerical example proved that these algorithms are very accurate

    對于幾何平均亞式期權它的定價相對簡單,已經給出了定價公式。對于平均亞式期權,它的未定權益具有軌道依賴特性,一直沒有得到它的定價方程的解析解形式。本文基於對市場是無摩擦且在沒有交易費用的情況下,在b - s型下,利用二叉樹型給出了平均亞式期權定價方法;並總結了利用jensen 』 s不等式給出的各種不同情況下的上下界;同時應用共單調性和近似分佈函的方法也給出了平均亞式期權價格的近似公式。
  10. As to the stochastic simulation of stochastic biological processes, if only use stochastic petri net, although it has standard graphics expression, which is isomorphic to markov chain, along with the increase of models ’ scale and complexity, the number of states will increase exponentially, so it is very difficult to analyze models by the method which stochastic petri net has ; if only use stochastic algorithm, which has rapid simulation speed, but lack of intuitive graphical expression

    對于隨機生物過程的擬,如果只採用隨機petri網擬生物隨機過程,其優點是形象、直觀,缺點是隨著型的規和復雜性的增加,狀態的量呈指性地增長,出現型狀態空間的爆炸問題,用隨機petri網本身的分析方法很難分析整個系統的性能;如果只採用隨機擬演擬,其優點是速度較快,但是缺少形象的圖形表達,不利於擬技的應用。
  11. This thesis explains the necessity of the character recognition technology of the computer at first, describe the meaning in which the handwritten numeral discerns ; pretreatment technology of handwritten numeral recognition, including two value, line segmentation, word segmentation smooth, removing noising, standardization and thinning are discussed two value concretely discusses whole threshold value, some threshold value, dynamic threshold value and utilize space information to carry on threshold, which are several kinds of common method of choosing threshold value, especially utilize space information to carry on threshold value is describe in detail ; adopting to the foundation of thinning based on mathematics morphology, thinning algorithm of serials same and thinning algorithm of protecting shape are discussed ; afterwards, according to principle ' s diagram of the on - line character recognition, by analyzing the structure feature of the handwritten numeral, this thesis has proposed the online recognition te chnology of the free handwritten numeral based on the stroke feature and the online recognition technology of the free handwritten numeral based on the multistage classifying device. detail narrated noise removing, stroke characteristic definition and discernment, distance criterion of whole word match ; then under the foundation of handwritten numeral segmentation, off - line handwritten numeral recognition is researched. especially minimum distance classifying device, tree classifying device and adaptive resonance ( art ) network classifying device is discussed at the same time, believes degree analyses are introduced to integrate a lot of classifying devices ; at the end, the typical application of the handwritten numeral recognition was briefly narrated, its application in extensive data statistics, financial affairs, tax, finance and mail sorting have been explored

    二值化時對整體閾值二值化、局部閾值二值化、動態閾值二值化和利用空間信息進行閾值選取幾種常用的閾值選取方法進行討論,特別對利用空間信息進行閾值選取進行了詳細論述;在對通過對基於學形態學的細化的基礎上,討論序貫同倫形態細化演法和保形的快速形態細化演法;然後依據聯機字元識別原理框圖,分析了手寫字的結構特點,提出了基於筆劃特徵的任意手寫字在線識別技和基於多級分類器任意手寫字在線識別技,對其中涉及的筆劃識別前的噪聲處理、筆劃間特徵量的定義及識別、整字匹配的距離準則進行了詳細敘述;繼而在對手寫字的分割的基礎下對脫機手寫字識別進行了研究,對基於最小距離分類器字元識別、基於樹分類器的字元識別、基於自適應共振( art )網路的字元識別分別進行了詳細討論,並引入置信度分析將多個分類器進行了混合集成;最後簡單闡述了手寫字識別的典型應用,對其在大規據統計、財務、稅務、金融及郵件分揀中的應用進行了探索。
  12. In fact, algebra is a simple language, used to create mathematical models of real - world situations and to handle problems that we can ' t solve using just arithmetic

    實際上,代是一種簡單的語言,用於對現實世界建立型,而且還用於處理一些僅用無法解決的問題。
  13. Information technology - security techniques - hash - functions - hash - functions using modular arithmetic

    信息技.保密技.雜亂信號函.使用的雜亂信號函
  14. Abstract : based on the advisable mathematical model for wanjiazai diversion project, the paper disscuses the computer simulation technology for predicting new problems that may arise in project design, construction and operation

    文摘:在建立合理型的基礎上,如何利用計擬技,預測工程設計、施工和運行帶來的新問題,探索解決這些問題的方法及預演現有設計或方案的可行性,對業主來說非常重要
  15. With the development of automobile industry and road transportation , the traffic accidents happen every day in the world and become a serious society problem the vehicle collision accidents are over 2 / 3 times as much as all traffic accidents they cause a large amount of social infuence and serious economic loss therefore , it is urgent to study vehicle collision accidents comprehensively and systematically , and the research also is the academic foundation to analyze and deal with traffic accident it is difficult to authenticate car velocity after traffic accident to dig over locate witness is right way mechanics is avaid tool in this field it is important to establish math model and this is precondition to calculate vehicle velocity firstly on the basis of summarizing the research results , this paper deeply discusses the calculating model to analyze the instantaneous motion state in the vehicle collision, the interrelation among the every moving mechanics parameters in the every phase of the collision secondly , according to the collinear collision and two - dimension collision and the restitution coefficient , the paper estabishesthe post collision movement models it proves that these models are correct and valid thirdly , this paper try to research reconstruction of road traffic accident and put forward the method on it

    對交通事故的科學分析應是建立在正確的型與計擬技基礎上的定量分析,其基本條件就是要有能正確描述事故過程中汽車狀態的型,只有建立正確的型,才能較準確地推定事故車輛的碰撞速度。所以建立正確地車輛碰撞型和運動型正是汽車事故再現的關鍵問題。本文首先在總結前人研究的基礎上,深入地研究汽車碰撞理論,分析了車對車碰撞作用瞬間狀態的計型及碰撞恢復系與碰撞前、后速度的關系;其次,根據交通事故中最普遍的一維和二維碰撞的不同情況,採用恢復系和滑動摩擦系等概念,分別建立了碰撞后車輛動力學型;第三,對汽車碰撞事故再現進行了初步研究,確定了車對車碰撞事故擬計和反推計方法,並給出相應的擬程序流程圖。
  16. Then, we establish the finite element analysis models of the antenna in different structure layout, and obtain the corresponding frequencies and model shapes. finally, according to the importance of each object, we set up the model of multiple objects that aims to maximize the first natural frequency and minimize the mass. combining orthogonal experiment and variant weighting coefficient method, we formed an effective multiple objects optimized algorithm basing on the neural network and genetic algorithm

    本文首先詳細的敘述了天線結構的各組成單元,闡明了天線反射拋物面的形成原理;然後在ansys軟體環境中建立了不同結構布局下天線的有限元分析型,分析計了各種情況下天線的的固有頻率與振型;最後依據天線各指標的重要性,建立了以一階固有頻率最大、質量最小為目標的天線結構多目標優化設計型,並基於神經網路和遺傳演法,結合正交實驗和變加權系,形成了一種有效的多目標優化演法,在matlab平臺下實現了天線的結構多目標優化設計計程序,求得了天線的最佳結構參
  17. In view of the fact that the genetic algorithm of stochastic programming based on random simulated technology has succeed greatly, this paper points out that changing parameters of genetic algorithm can obtain a sequence of optimum values of goal function. taking these genetic algorithm values as sampling data, we can get fitting optimum function by using multivariate spline regression and get the lipschitzs constant of the fitting optimum function. so for any chance constrained programming problem, we can get its interval estimate

    鑒于基於隨機擬技的遺傳演法在求解隨機規劃問題上的優越性,本文指出,改變遺傳演法的參條件,在此基礎上求得機會約束規劃的若干個最優值,以這些最優值為樣本點,利用多元樣條回歸,擬合得到最優值函,進而求出最優值函的lipschitzs常,從而對于任一機會約束規劃問題,都可以得到它的一個區間估計。
  18. The particles aggregation was simulated using particle - cluster and cluster - cluster aggregation model. several type of floes was reached and its morphological characteristics was analyzed the fractal dimension, density and porosity of floes was studied by changing sticking probabilities, sticking position, particle number, particle concentration, difrusion coefficient and motion trajectory. the parameters by which special floes growth were determined. in the study of morphology, floes of yellow river ' s loess particles was observed by tv - microscope. its morphological characteristics were obtained by image analysis. the effect of fractal dimensions by stirring time strring speed, macromolecule flocculant dosage, flocculant concentration and particle concentration was studie. its rule of change was obtained. on the basis of other studies, the flocculation kinetics and floes structure was studied

    本文應用計擬技,在二維空間內採用單體凝聚和集團? ?集團凝聚兩種型對顆粒凝聚過程進行了擬,得到了多種形態的絮體,並對絮體進行了形態分析,通過改變粘附概率、粘附位置、顆粒量、顆粒濃度、擴散系和運動路徑等擬參,我們考察了絮體分形維、密度和孔隙率隨擬條件變化的影響規律,得到了形成特定形態絮體的控制參
  19. On the basis of finite element numerical simulation technology and s - n curve data base of welded joint, the course of fatigue test of physical prototype was simulated with computer and the fatigue life of welded structure was predicted, so as to let the development of anti - fatigue design becoming possible in the designing stage of product

    基於有限元擬技及焊接接頭s - n曲線據庫,在計機中擬物理樣機的疲勞試驗過程,預測焊接結構的疲勞壽命,使產品在設計階段開展抗疲勞設計成為可能。
  20. Then according to system simulation technology, the overall air - to - ground attack simulation plan is made with the thought of models and layers. after that, the mathematical models of main parts in the simulation are made such as aircraft body, propulsive system, flight control system, fire control system, bomb and air - to - ground missile. on the basis of these mathematical models, using the object - oriented design methodology, a set of air - to - ground attack real - time visual simulation software is developed. this software can be used to aid aircraft design, research of air - to - ground attack tactics and flight training

    本文首先介紹了現代戰爭中空對地攻擊的技裝備及其特點,計擬技的發展以及面向對象的軟體設計思想;而後使用系統擬技,依據分層、塊化設計思想,制定了空對地攻擊擬系統總體設計方案;之後根據目前技狀況,建立了戰斗機機體、推進系統、飛控系統、火控系統、航空炸彈、空地導彈等子系統型;在此基礎上,利用面向對象的軟體設計思想,在基於pc的平臺上開發了一套對地攻擊視景擬軟體,實現了戰斗機對地攻擊實時視景擬。
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