object function 中文意思是什麼
object function
解釋
目標函數-
A rate - dependent damage evolution modified zwt nonlinear constitutive ralation is adopted, an object function of least square was established according to the experimental results. the searching space of each decision variable was foreordained with conventional optimizing method, and all parameters in zwt model for solidified pf resin were determined with generic algorithms
基於實驗曲線構建了最小二乘形式的目標函數，並採用傳統優化方法輔助設計了各個決策變量的搜索空間，進而用遺傳演算法確定了損傷型zwt非線性粘彈性本構關系中的材料參數。 -
In the proposed method, the controller takes the buffer length as congestion indication, takes sources quality and bandwidth utility as object function so as to learn on line. as the controller outputs, the coding rate for input traffic sources and the corresponding user percentage are used to adjust the cells " arrival rate to the multiplexer buffer. compared with the previous method where cells " arrival rate is tuned only by the encoding rate and the encoding rates for all input traffic sources are regulated in a body, the proposed method guarantee that the quality of cells are optimal while cell loss rate is minimized, which means quality of service is guaranteed
在該方法中，擁塞控制器以緩沖區大小信元作為擁塞指示，以信源質量和帶寬利用率作為目標函數進行在線學習，控制器輸出包括信源編碼率及其對應的用戶數在全部用戶中所佔的百分比，即根據信源編碼率及對應的用戶百分數調整信源輸入流，從而克服了以往擁塞控制方法中僅僅調整編碼率帶來的對所有信源進行整體調整的缺陷，使控制系統在信元損失率最小情況下確保信源輸入流質量最高，從而有效地利用了網路帶寬。 -
The numerical simulation equations of the border curves in term of and as well as the matching rules and the frequency dependence of microwave electromagnetic parameters of a broad - band homogeneous absorbing coating with a finite value of reflection loss are available. these results pointed out the direction to develop rams ". according to the radar - absorbing model, the optimized design of rams with thin - layer, light - weight, broadband and strong - absorbing is available by the simple genetic algorithms, which can effectively conduct the research work of rams to the detail. small but completely, the electromagnetic parameter ' s databases of rams that based on actual microwave absorbers have been set up, the object function has been constructed which conform to the involved goals, the adaptive coding measure is taken which extends the coding length dynamically adapting to the condition of the number of actual absorbers or the precision of thickness and absorber - volume - percentage, the decoding technique is initiated which satisfies light - weight and strong - absorbing as well as thin - layer and broadband by adopting of tracing variable restricting conditions dynamically to control total thickness. when decoding, the variable restricting conditions of thickness are dynamically traced, so gain the radar absorbing coatings of light - weight multiple - layer single - ingredient. similary, of thickness and absorber - volume - percentage, of light - weight multiple - layer multiple - ingredient. also, the rams ' demand to radar - absorb performance as frequency is met making use of the penalty function
作為遺傳演算法的具體實施：根據本實驗室近來研製的吸波材料，建立了吸波材料的相關數據庫；構造了能真實體現「薄、輕、寬、強」優化目標的目標函數；根據材料的實際數量以及塗層厚度精度要求、吸收劑體積分數精度要求，建立了能動態擴展相應碼長的自適應編碼方法；首創了通過動態跟蹤變量的約束條件來控制塗層總厚度的解碼技術，以此實現了在不弱化寬頻、高強的吸波性能目標的同時，兼顧到薄層、輕質的使用性能要求；在解碼時通過動態跟蹤厚度變量的約束條件，實現了多層單組分吸波塗層對重量輕的要求；通過動態跟蹤厚度變量的約束條件和吸收劑體積分數的約束條件，實現了多層多組分吸波塗層對重量輕的要求；使用權重系數變化法，實現了吸波塗層的分頻段吸波性能要求。 -
After analyzing the switching characteristic of mosfet, the object function of optimizing curve of the output capacitance coss is confirmed according to the switching loss caused by output capacitance coss, then the optimized curve of the output capacitance coss is ascertained by applying zoutendijk to seek the optimized value with constraint ; the simulation of switching circuitry and dc - dc circuitry is tested at different frequency in pspice, then the least square method is adopted to fit simulation curves to calculate corresponding energy data
在電子線路模擬軟體pspice中進行了mosfet開關電路以及典型dc dc轉換線路模擬測試，針對不同頻段的測試結果，採用最小二乘擬合法對模擬曲線進行擬合，計算出相應的能量數據，最後綜合模擬結果確定出減小器件開關損耗，提高dc0c轉換線路效率的器件輸出電容cob優化曲線。 -
To overcome shortcomings in current efficiency algorithm, genetic algorithm and reverse algorithm existing in non - standard job - shop scheduling problem, a reverse algorithm of solving nonstandard job - shop scheduling problem ( njssp ) based on redundancy was put forward, the mathematical description of njssp was provided, object function was also given simultaneously
摘要為了克服現有效率演算法、遺傳演算法和逆序演算法等求解非標準作業車間調度問題時存在的不足，提出了一種新的逆序演算法。 -
The strategy on repair and reinforcement on steel crane girder structures in service based on fatigue dynamic reliability is analyzed in the paper. considering the benefits of repair and the long - term economic affection after repair and reinforcement, using the fatigue dynamic reliability as constraint condition, thinking of that the sum of benefits of repair and reinforcement as object function, the optimization model is put forward. then it is used to an certain crane arc ends repair an reinforcement
5 、基於疲勞動態可靠性，對在役鋼結構吊車梁的維修加固策略進行了探討，考慮維修加固效益和維修加固后的經濟影響，提出了以疲勞動態可靠性為約束，以維修加固總效益為目標函數的優化決策模式，並通過某鋼廠圓弧端吊車梁的維修加固實例驗證，可為工業建築吊車梁的設計，管理和維護提供依據。 -
The concept of the optimize design is proposed and its mathematic foundation is analyzed in this paper. after comparing several optical calculation methods, the one that is suitable for the lubricating system is chosen and analyzed in detail about its concept, characteristic and some focal points. meanwhile, combining with the analysis of the relationship among the parts and structure of marine low - speed diesel lubricating system, the internal disciplinary, other pipeline system and main engine, aiming at reducing the initial investment and the running cost in a certain years, the mathematic model of the system is built and the object function and subjected conditions are set up
本課題闡述了最優化設計的概念，分析了最優化設計問題的數學基礎，比較了約束多維問題的幾種優化方法，選取了適合於潤滑油系統的優化設計方式，並對該方式的概念、特點及其應注意的問題進行了較詳細的分析；同時，結合海船低速柴油機潤滑油系統的組成部件及其結構以及潤滑油系統內部規律與其它管路系統、船舶主機的關系的分析，從經濟性的角度，以設備初投資及其在一定年限內的耗能費最低為目標，建立了本系統優化設計的數學模型，確立了目標函數和約束條件。 -
If a class or enumeration name and an object, function, or enumerator are declared in the same scope ( in any order ) with the same name, the class or enumeration name is hidden wherever the object, function, or enumerator name is visible
如果某類或枚舉名字和一個對象，函數，或枚舉符在相同作用域（以任意順序）聲明為相同名字，則一旦對象，函數，或枚舉符的名字可見時，類或枚舉的名字就被隱藏。 -
Main formulations concerning the building of object function and the computation of updated model are discussed
對每種方法，都給出了它的基本思路、目標函數和修正模型的求解過程，以及各階段的主要計算公式。 -
In order to obtain the most suitable combination of technique parameters, the fuzzy optimal model was set up based on the analysis of the relationship between technique parameters and irrigation performance, in which, the irrigation performance was served as object function
為了得出最佳灌水質量的技術要素組合，在分析討論波涌灌技術要素對灌水質量影響的基礎上，以灌水質量為目標函數，建立了灌水質量模糊優化模型。 -
The output - input relation of optimum and the relation between design variable and object function are simulated by using ansys
並用ansys對最優設計的輸出輸入關系及設計變量和目標函數的關系進行了數值模擬。 -
The ratios of the design thickness and the initial thickness of membranes are used as design variables, the design variables are made connected with constraints and object function
取膜結構的設計厚度與初始厚度的比值為設計變量，進行了設計變量的連接，採用滿應力準則求解。 -
The object function and restriction conditions optimum design for amb ' s structures are set up. based on these results, the structural parameter design method of radial and axial amb is presented, and a test - bed of amb has been designed by the author
根據磁力軸承結構優化設計目標函數和約束條件，推導了徑向、軸向磁力軸承結構參數設計公式，並設計了一套磁力軸承試驗臺裝置。 -
To improve the transmitting characteristic and decrease the output work has a direct effect on the enhancement of the operating property and life - span of the operating mechanism of vacuum circuit breakes. based on the characteristics of polynomial rule of the cam movement, considering the pressure angle of cam device, an optimization model is established, with the coefficients of polynomial rule of cam movement as the optimizing variable, and the minimum output work of the mechanism as the object function. with the optimization tool box of matlab, the optimization process is conveniently completed and the perfect result of optimization design is obtained
改善真空斷路器操動機構的傳動運動特性，減小真空斷路器的操作輸出功，對提高真空斷路器的操作使用性能及壽命都具有直接的影響.利用凸輪機構的多項式運動規律的特點，以凸輪多項式運動規律的多項式系數為優化變量，以斷路器操動機構最小的輸出功為目標函數，考慮操動機構合分閘時凸輪機構傳動壓力角的情況，建立了彈簧操動機構中凸輪機構的優化數學模型，並利用matlab語言的優化工具箱方便地實現了優化過程，得到了較理想的優化設計結果 -
After the target, object, function, mode and benefit evaluating of tourism antipoverty were researched, it was argued that tourism has great potential for antipoverty
人們在研究旅遊扶貧的目標、對象、功能、模式以及效益評估等內容之後，認為旅遊業作為扶貧的途徑具有很大的潛力。 -
The research work of this thesis consists of the following major parts : 1. according to the target problem, the current operation status of the separation section of a plant was analysed. the major controllable independent variables, dependent variables and the object function of optimization problem was formed
主要作了以下幾方面的工作： （ 1 ）針對該廠氣體分離裝置的運行狀況，進行了深入細致的分析，確定了主要的可控自變量集、因變量集和需要優化的目標函數的組織。 -
As in many cases, people pay more attention to the relative error between actual output values and the idea output values, in this paper, an improved bp algorithm based on the smallest square sum of the relative error is proposed, which looks on the square sum of relative error between the idea output and the actual output as the object function
考慮到在很多情況下，人們更關心預報模型的預報值與實際值的相對誤差情況，從而本文採用實際輸出與希望輸出的相對誤差的平方和作為目標函數，給出了一種基於相對誤差平方和為最小的bp演算法。 -
Secondly, the non - linear model of ship motion was studied. the non - linear term and the term related to pitching velocity are referred to disturbance of the system to get state feedback designed mathematic model of the rudder / fin joint control system. the non - linear rudder / fin joint control system - designing problem was transformed into disturbance attenuation linear system designing problem, which uses quadratic performance as object function
為了得到船舶舵鰭聯合控制系統的狀態反饋h ~設計的數學模型，把非線性項及與橫蕩速度相關的項也看作是對系統的擾動，把非線性船舶舵鰭聯合控制系統設計問題化為以二次型性能指標為目標函數的干擾抑制的h ~線性系統設計問題。 -
In factual engineering, it is invaluable to eliminate the reading errors in some certain degrees by using the relative displacement. based on dfp optimum back analysis in the excavation of underground chamber, the corresponding object function and formulation are derived in this paper
鑒于在實際工程中，採用相對位移可在很大程度上消除觀測資料的量測誤差，具有十分重要的實用價值和意義，文中提出了地下洞室開挖中基於相對位移的dfp優化反分析方法，並推導了相應的目標函數及其計算公式。 -
Its program has been completed with visual basic ( 6. 0 ). the object functions of fuzzy optimization design were the maximums transmission efficiency and the minimum volume of its construction and their weighted object function of them. the keep with bounds were included the contacting strength and winding strength and deforming strength and the sizes of constructions of pdew
採用visualbasic （ 6 . 0 ）語言，編制了以傳動效率最高、空間結構尺寸最小的單目標模糊優化、以及上述兩個目標的加權綜合多目標的模糊優化；約束條件綜合考慮蝸桿的接觸強度、彎曲強度以及剛度，空間結構尺寸等，並採用斜線法對約束條件進行了模糊處理的模糊優化設計程序。
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