受約束參數 的英文怎麼說
中文拼音 [shòuyāoshùshēnshǔ]
受約束參數
英文
constrained parameter-
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數和加速度分辨力的有關概念，並以加速度模糊函數為分析工具，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約束關系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。By constructing the geometrical model of a certain underground single arm type pantograph and applying the translation of pantograph - head balancing bar and the perpendicular displacement of pantograph in the direction of the movement of locomotive while raising pantograph as the objective which must satisfy the demands of locomotive ' s stable current collection, this paper applied the multi - objective optimization based on the genetic algorithms to design the pantograph mechanism
摘要在建立某地鐵單臂受電弓簡化幾何模型的基礎上，根據列車平穩受流對受電弓提出的各項要求，以受電弓升弓時機車前進方向上的縱向偏移量和弓頭平衡桿的平動為目標，以受電弓正常升弓所需升弓轉矩等為約束，運用基於遺傳演算法的多目標優化技術，對該型受電弓機構進行了優化，得到了使受電弓運動性能達到最優的幾何參數。Influential factors and behavior of concrete prism confined with cfrp have been studied, based on the effective confined concrete area with cfrp, the peak stress and peak strain of cfrp - confined concrete prism depend on, and calculating equation is put forward
此外本文還對碳纖維布約束混凝土的受力性能及影響參數進行了研究。基於碳纖維布有效約束混凝土的面積，在原有箍筋約束混凝土的模型的基礎上，提出了碳纖維布約束混凝土稜柱體應力-應變關系模型。Considering that the characteristics of our country ' s highway tunnels are always of long spans, tabular and of various geometry, by means of thorough analysis of the different problems existed in the design of support structures of the tunnels at present, this paper pays special attention to the two key problems, optimization method of form selection of structural section of the tunnel as well as the stability and bearing capacity of the support structures, in the design of the long and large tunnel on high - class highway, introduces the simplified complex - form optimum method in the structure optimization theory, discusses the optimum design model of lining section of highway tunnel with satisfying demands in building clearance, ventilation and load conditions, puts forward an optimization method of form selection of three different kinds of lining sectional forms ( i. e. single - center circle, three - center tabular circle and three - center sharp circle ), establishes a complete set of systematic optimum design the ory and method of long and large tunnel on high - class highway, develops the corresponding computer software used on the planned xuefeng mountain highway tunnel on shaoyang to huaihua expressway in hunan province for optimization of form selections of the structural sections, and obtains a series of relatively reasonable structural design parameters
本文針對我國公路隧道多為大跨度、扁平、幾何形狀呈多樣化的特點，通過深入分析目前隧道支護結構設計中存在的各種問題，抓住高等級公路長大隧道設計中隧道結構斷面的優化選型及隧道支護結構的穩定性與承載能力兩個核心問題，引入結構優化理論中的簡易復合形優化方法，深入探討了滿足建築限界、通風條件、受力狀態約束等條件下公路隧道襯砌斷面優化設計模型，提出了三種襯砌斷面形狀（單心圓、坦三心圓和尖三心圓）的優化選型方法，建立起一套完善的高等級公路長大隧道的系統優化設計理論與方法，並開發出相應的計算機程序，用於擬建的上海至瑞麗國道主幹線湖南省邵陽至懷化高速公路雪峰山長大高速公路隧道的結構斷面優化選型，得出了一系列較為合理的支護結構設計參數。Compared with a delta wing aircraft, the double - delta wing configuration has better aerodynamic performance at high angles of attack. an operational analysis was introduced as a method for evaluating training effectiveness of trainer aircraft. approaches to the engineering estimation of aerodynamic characteristics for aircraft with a double - delta wing configuration were studied, and the procedures for determining aircraft performance indices formulated. taking training effectiveness as the objective function and geometric parameters of the wing platform as design variables, through a numerical multivariate optimization arithmetic, the conceptual design optimization for a certain fighter trainer aircraft with double - delta wing configuration was carried out under the constraints of tactical and technical requirements and interrelated geometry. agreement of a calculation example with engineering practice indicates that the optimal design has higher training effectiveness than the baseline design, and in addition, improves the structural force - bearing conditions
雙三角翼氣動布局比三角翼飛機具有更好的大攻角空氣動力特性.引入了評估教練機訓練效能的作戰分析法，研究了雙三角機翼布局飛機空氣動力特性的工程計算途徑以及飛機性能指標的確定方法.以訓練效能作為目標函數並選取機翼平面形狀的幾何參數為設計變量，採用多變量數值尋優方法，在戰術技術指標及相關幾何約束條件下，對某高級教練機的雙三角機翼氣動布局方案進行了優化選擇.算例表明最優方案不僅比原準方案具有更高的訓練效能，還改善了結構的受力情況，與工程實踐吻合2. the necessity and difficulty are discussed for the in - place calibration of inertial measurement unit being subjected to the vibration, shock and acceleration induced by the host vehicles. a new in - place calibration method based on the fixed axe rotation constraint is presented
2 、討論了載體經受振動、沖擊和加速度的情況下，慣性測量組合參數現場標定的必要性和技術難點，提出了基於定軸轉動約束的現場標定演算法。In the meanwhile, seeing that the parameters are restricted for many practical problems, the author also studies the problems of optimal conditional prediction in the model with respect to two classes of restriction of linear parameter equations. what is more, the optimal conditional linear and optimal conditional ^ - linear unbiased predictors are also obtained respectively, which extends the results given by the predecessors and enrich the theory of optimal prediction
考慮到對于實際問題，模型參數一般是要受到一定的約束，因此作者也研究了兩類線性等式約束條件下的模型的最優預測問題，得到了模型的最優條件線性無偏預測和最優條件-線性無偏預測，從而成功地推廣了前人的結果，豐富了這方面的預測理論In the paper, the transmission power of section constituted by the assigned branch is seen as objective function, assigning the adjustable generators both in sending system and receiving system, assigning the faults set, including the constraint conditions such as the differences between the angles of rotor and the inertia center angel of the whole system, the thermal stability of branch and node voltage, obtaining the results by using interior - point solution and line - predominant jordan
本文提出的考慮暫態穩定約束的可用輸電能力演算法是以指定線路組成的斷面的傳輸功率為目標函數，指定送端系統和受端系統中參考調節的發電機，指定故障集情況下，以發電機轉子相對全系統慣性中心的角度差、線路熱穩定、節點電壓等構成約束條件，採用內點法和行主元約當逐行消去法求解問題的最優解。A full mathematical model of optimal flow pattern design withengineering constraints was put forward, based on modern optimal control theory. an optimal flow pattern design was presented for optimizing meridional channel of axial flow turbine. according to integral optimization of turbine stages, a full physical model and mathematical expression were put forward for proposition of optimal flow pattern, including all performance parameters in turbine stages. this problem was further recast into a typical form control to maximize specific performance index such as work or efficiency of stage with given initial state, fixed terminal condition and constraints for part of state terminal variables. the program was also worked out according penalty function method and conjugate gradient method. the optimal distribution of c1ur1 ( r1 ) was obtained according to constraint conditions and maximized objective function
把近代最優控制論方法引入軸流透平葉片的設計，在優化的軸流透平子午通道內，建立包括透平級內所有性能參量的最優流型命題的完整的物理模型及其數學表達式，並歸化為一個在給定初始狀態、自變量終端固定、部分狀態變量終端受有約束的條件下，使級的某一性能指標（如級的功率）達到最優的最優控制問題，應用「代價函數法」及「共軛梯度法」編制計算程序，計算得到符合給定約束條件、並使目標函數取極值的最優環量分佈，結果是令人滿意的。Based on this test, this paper discussed the bearing performance and influencing parameters of concrete confined with cfrp, and presents its new model of pressive strength 、 peak strain and stress - strain relationship according to existed the models of stress - strain relationship which are used to calculating concrete confined with fiber reinforced polymer ( frp )
結合試驗，本文對cfrp約束混凝土的受力性能及影響參數進行了分析，基於已有的frp （ fiberreinforcedpolymer ）約束混凝土應力-應變關系模型，提出cfrp約束混凝土的抗壓強度、峰值應變及應力-應變模型。Spacecrafts are working in the space environment, which is full of sorts of physical mediums. and these mediums will impact on the altitude movement of spacecraft. spacecraft attitude control during propulsive maneuvers is complicated due to several factors as listed below : ( i ) nonlinear dynamics with time delays, ( ii ) modeling and parameter uncertainties, ( iii ) flexible modes due to fuel sloshing and appendages, ( vi ) constraints on propulsive force and torque inputs, ( v ) constraints on acceptable angular rates and attitude, ( iv ) autonomous reconfiguration requirements under failure conditions
飛行器是在一定的空間環境中飛行，而空間環境中充滿著各種物理介質，對飛行器的姿態運動產生不同程度的影響，所以空間飛行器的姿態控制相當復雜，它受到如下因素的制約： （ ? ）帶時延的非線性動態特性（ ? ）模型和參數的不確定性（ ? ）燃料的激蕩性以及燃料消耗所引起飛行器的質量變化（ ? ）推力和輸入力矩的約束性（ ? ）額定角速度約束和姿態約束（ ? ）在故障發生的情況下自動重新配置的必要性。Unique, primary key, referential, check, and functional dependency constraints are supported
惟一約束、主鍵約束、參照約束、檢查約束和函數依賴約束在這里都受支持。It is possible to create an instance of a type parameter using the new operator ; however, in order to do so the type parameter must be constrained by the constructor constraint,
子句還可以包括構造函數約束。可以使用new運算符創建類型參數的實例；但類型參數為此必須受構造函數約束In order to give incentives to managers and chief technicians in the company, virtual stock options are designed to enable those human capital owners involved in the profit distribution. however, that purpose is restrained by the conditions of the stock market, the number of virtual stock options and supplementary bound mechanism
該公司主要運用虛擬股票期權形式，武漢科技大學碩士學位論文讓人力資本所有者參與公司利潤分配，以實現對公司經營管理人員和核心技術人員進行激勵的目的;然而該激勵目標的有效實現會受到股票市場的條件、虛擬股權的數量和配套的約束機制等條件的限制。分享友人