約束系數 的英文怎麼說

中文拼音 [yāoshùshǔ]
約束系數 英文
constraint factor
  • : 約動詞[口語] (用秤稱) weigh
  • : Ⅰ動詞1 (捆; 系) bind; tie 2 (控制; 約束)control; restrain Ⅱ量詞(用於捆在一起的東西) bundle;...
  • : 系動詞(打結; 扣) tie; fasten; do up; button up
  • : 數副詞(屢次) frequently; repeatedly
  • 約束 : keep within bounds; restrain; bind; bound; boundage;tie; restraint; restriction; engagement; repr...
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. In this paper, the concept of acceleration ambiguity function ( aaf ) and acceleration resolution is put forward for the first time. using aaf, the effects of target ' s relative acceleration on several outputs of a linear - phase matched filter are analyzed, such as the output signal - noise - ratio loss, the doppler resolution, the constraint on optimal accumulative time ( opt ) and their tolerable limits

    論文首次提出並研究了加速度模糊函和加速度分辨力的有關概念,並以加速度模糊函為分析工具,詳細討論了加速度對線性相位匹配濾波器的輸出信噪比的損失程度、對多卜勒頻率分辨能力的影響程度、對最優相參積累時間的以及線性相位匹配濾波器輸出受加速度影響的容限等問題。
  2. In this paper, ackerman steering linkage of double - wishbone suspension is taken as the study object, choosing the splitting joint and steering lever joint to carry out the design of optimization the mathematics models are established based on the multi - body system dynamics, applying its analysis method of kinematics to study the mechanism kinetic principles owing to more spatial factors considered, and calling off many hypotheses affecting the accuracy, compared with the traditional methods, the models are better to reflect the realistic motion principles, the results are more exact and applicable moreover, the force analysis is applied to the conduct mechanism the analysis method of dynamics in the multi - body dynamics is applied to study the forces applied on every component, working out the constraint reaction force of up and down ball joints, and developing the current computation program in the end, produce the upper wishbone geometry model in the ansys software package, meshing and carrying out the fea, testifying if the intensity of the wishbone meet with the requirements

    本文以雙橫臂獨立懸架的轉向傳動機構作為研究對象,選擇對斷開點和節臂球銷的位置進行優化設計,在此基礎上建立了基於多體統動力學的導向機構和轉向傳動機構的學模型,運用該學科的運動學分析方法研究機構的運動規律,編制了通用優化設計軟體。由於考慮了更多的空間因素,取消許多影響準確性的假設,因此建立的學模型與傳統的方法相比更能反映實際運動規律,得到的優化結果也更加精確實用。此外,本文還針對導向機構進行受力分析,在建立該機構的空間動力學模型后,運用多體動力學中的動力學分析方法研究各個桿件的受力,計算出上下球鉸的反力,並開發出了相應的通用計算程序。
  3. On the basis of analyzing limitation of using penalty function method dealing with constraints, an amending method based on the knowlege regulating strategy is suggested to amende the mapping relationship of infeasible constraints in decoding, thus making the regulated individuals map into the space to obtain the most promising optimal solution

    在分析懲罰函法對處理效率較低的情況下,提出了一種基於知識調整策略的修正法,對解碼中不滿足的映射關進行修正,使調整后個體映射到最有希望獲得最優解的空間中。
  4. So this article analyses deeply in the method of ensur ' my designing food rolume which is an important element to affect the " designimy height of bridge " it brings forward an " arverage optiminmy suiting line " method which is a bondage discommode series at the same time it puts forward a ensurmy principle for rough coefficient " and " fallimy flood proportion which are both suitable to heilongjiang province at last this article introduces the " three - days rainimy rolume " method

    本文立足於黑龍江省各種河流的洪水特點,結合以往工程實際,對影響跨河橋梁設計高度的主要因素? ?設計洪水流量及其相應洪水位的確定方法加以詳細分析。提出有不連序列的加權優化適線法及適合於黑龍江省的河流粗糙和洪水比降的確定原則,並介紹了三日降雨量法。
  5. The stress state in the stainless steel pipe - titanium alloy pipe - nitinb shape memory alloy connector system is analyzed by using the theory of solid mechanics and the recovery rules of nitinb shape memory alloy with constrains on the basis of analysis of the structure of the connector system and the all steps in the preparation and the service. a mathematical model for the strength was proposed. the temperature dependence of connecting force and the maximal stress intensity in the pipe connector in the process of preparation and service was studied by programming and computing. the computing results show that the difference of heat expansile coefficient between the coupling material and the pipe material leads to the strength of connector system at room temperature less than the strength at high temperature

    通過分析管接頭結構以及制備、使用的各個步驟,運用固體力學的基本理論,結合nitinb形狀記憶合金在下的回復規律,對不銹鋼- -鈦合金管- -四川大學碩士論文nitinb形狀記憶合金管接頭統內的應力狀態進行了理論分析,建立了強度的學模型,通過編程計算,研究了不銹鋼一鈦合金管一nitinb形狀記憶合金管接頭統裝配及使用過程中的抱緊力以及最大應力強度隨溫度變化的規律。
  6. On the bases of the galaxy evolution theory, we use the therotical chemical evolution model of three zone ( such as halo, thick disk and thin isk ) and multi - phase ( diffuse gas, molecular clouds, stars of both low and high mass, the remnants ). by comparing with the observational constraints, such assurface densities, age - metallicity relation, g - dwarf metallicity distribution in the solar neighbourhood and the correlation between [ a / fe ] and [ fe / h ], supernovae rates, infall rates. the rationality of the model is verified. based on the theory model, we calculate the abundance of neutron capture element

    本文正是在銀河化學演化的基礎上,利用銀河的三成分( threezone ) (即暈、厚盤和薄盤)多相( multi - phase ) (氣體,分子云,大、小質量恆星以及剩餘物質)的化學演化的理論模型,通過與觀測(質量面密度、場星的年齡-金屬豐度關、太陽附近g矮星金屬含量分佈函、三成份的特徵量、元素的星化學演化、超新星的爆炸率、內落速率等)的比較,來檢驗模型的合理性。
  7. First, we reformulate the kkt systems of the constrained optimization problem and the symmetric variational inequality prpoblem into equivalent nonsrnooth equations by using the so called ncp functions

    本文研究求解最優化問題和對稱變分不等式kkt統的bfgs演算法。首先利用ncp函將問題的kkt統轉化為等價的非光滑方程組。
  8. In this paper matlab and vb are used to build a software which can predict absorption coefficient ' s of the underwater anechoic coatings from these analytical models. finally, some algorithm of the single parameter minimization, nonrestraint nonlinear minimization and restraint minimization in the optimization design theory are studied. the formulas of absorption coefficient of these analytical models are object functions

    本論文利用各種解析模型的聲學設計理論,使用matlab與vb軟體建立了一套水下消聲覆蓋層吸聲預報軟體,研究了最優化設計中單參最小化、無非線性最小化和有最小化理論的一些演算法,利用現有模型的吸聲計算公式作為目標函,初步優化了一些結構的材料參
  9. The parameter control methods are very similar to penalty function methods, both of them are to solve constrained optimization problems by solving a series of sub - unconstrained optimization problems. but parameter control methods are different from penalty function methods. firstly, the penalty coefficient of penalty function methods are preassigned, while the parameters of parameter control methodsare generated automatically according to some rule prescribed

    控制演算法雖然與罰函法非常類似,都是通過求解一列無極小化問題來逼近優化問題的最優解,但罰函法中的罰因子是預先設定的,而參控制演算法中的參是自動產生的。
  10. This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions

    首先對加速度計及其測試技術的發展歷史和現狀,液浮擺式加速度計的工作原理和學模型等作了簡要的介紹,然後確定了以二元調寬脈沖再平衡測試迴路為設計方案,並從控制理論的角度進行了分析,著重研究了統中各部分的傳遞函,利用統開環傳遞函分析了統的穩定性,同時設計了統的校正網路;分析了二元調寬脈沖再平衡測試迴路的解析度、采樣以及測試精度等基本問題,並按照統分析的結果設計了包括前置放大、帶通濾波、交流放大、相敏解調、脈寬調制、頻標電路以及力矩電流發生器等測試統各部分硬體電路,驗證了電路的正確性,最後按照測試統的要求,採用了美國ni公司專為測試領域所開發的虛擬儀器工具? ? labview作為測試軟體開發工具,利用該圖形化編程語言完成了測試統軟體部分的設計,實現了測試功能。
  11. The tool mr barth is employing to effect this transition is linear temporal logic, a system of mathematical logic that can express detailed constraints on the past and the future

    巴斯先生用來實現這一轉化過程的工具是線性時序邏輯,一種可以表達過去和未來的詳細理邏輯統。
  12. At first every method of constraint solving is presented in this paper. through comparing the advantages and disadvantages of one method with another the method of constraint solving based geometrical constraint graph in which geometrical constraint system is expressed by graph, and which can deal with over - constraints and down - constraints is proposed

    本文首先總結了二維參化設計中的各種求解方法,並權衡每種求解方法的利弊,提出了基於幾何圖的求解方法,此方法是用圖來表示幾何統,能夠有效地處理欠和過的情況。
  13. The relationship between the number of the tasks, precision points, constraints and free choices of variables is analyzed

    建立了實現函、精確點、附加與任選變量個間的關
  14. The relationship between the number of the tasks, precision points, constraints and free choices of variables in each model are analyzed

    分析了各機構實現函、精確點、附加與任選變量個間的關
  15. ( 2 ) the finite element program ansys is used to analyze the elastic buckling of rectangular tube, consequently the buckling load pcr and the simulating formula for the restraint coefficient &, is obtained. the results derived from the program are compared with the british standard and china standard

    ( 2 )採用有限元程序ansys對矩形鋼管板組進行了彈性屈曲分析,得出其臨界荷載p _ ( cr ) ,彈性屈曲模態與解析法所作假設相符,並擬合出均勻受壓下的矩形鋼管約束系數k _ 1的公式,並與英國規范和我國規范進行比較。
  16. With the same structure table schemas, relations, and constraints and data as this

    相同的結構(表架構、關)和據。
  17. The obstacles ifl deriving system of constraints aie how to analyze and reduce the state - ment components and data types of variables on w, and derive system of con8traints as concise as possibie. and the primary obstacle in solving system of constraints is how to process the nonlinear constraint ( s ) among them

    建立統的困難是分析、化簡路徑w上的各種語句成分和各種據類型,建立盡可能簡潔的統;求解統的主要困難是處理可能存在的非線性
  18. This thesis gives a model language and a moderately complete formal description which can be used to prove the properties of static and dynamic data dependencies, and defines the notions in the iterative relaxation method formally. the program theories about the iterative relaxation method and its improvement are investigated, whose results include : the generalization of the predicate slices proposed by neelam gupta et al to path - wise static slices, and the proofs of the soundness of the construction algorithm of path - wise static slices and the soundness of the improvement

    本文給出一種模型語言;給出一個比較完整的形式化描述,該描述可用於證明與靜態、動態據依賴關有關的程序性質;給出迭代鬆弛法中各概念的形式化定義;深入研究迭代鬆弛法及其改進后的方法的程序理論,其結果包括:將neelamgupta等人提出的謂詞片推廣為路徑靜態切片,證明路徑靜態切片構造演算法的正確性,證明改進后的方法與原方法所生成的線性統相同。
  19. Based onthe analysis of the behavior of joints, further analysis about the composite steel frame isproceeded. in this way, the stiffness matrix of the frames is inferred, and the formula of thefixed moment calculation about beam element with semi - rigid connections is presented. at theend of this paper, a two - span and five - story composite steel frame is analyzed using finiteelement software ansys8. 0. the analysis indicates that the semi - rigid behaviour of joints havesome influence on the mechanical behavior of frame, but the main factor of influence is the

    最後採用ansys對一雙跨五層組合鋼框架進行了結構分析,分析表明,連接節點的半剛性性能對組合鋼框架的受力性能有影響,但半剛性組合鋼框架的受力性能的主要影響因素是節點約束系數,本文詳細分析了約束系數對框架受力性能的影響,指出在組合鋼框架設計當中,考慮連接的半剛性性能能使框架內力分配更為合理。
  20. Influence of restraint system parameters on occupant crash performance in mini - van

    微型客車統參對乘員碰撞響應的影響
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