預期函數 的英文怎麼說

中文拼音 [yùqīhánshǔ]
預期函數 英文
expectation for demand
  • 預 : Ⅰ副詞（預先; 事先） in advance; beforehand Ⅱ動詞（參與） take part in
  • 期 : 期名詞[書面語]1. （一周年） a full year; anniversary 2. （一整月） a full month
  • 函 : 名詞1. [書面語] （匣; 封套） case; envelope 2. （信件） letter 3. （姓氏） a surname
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 預期 : expect; anticipate
  • 函數 : [數學] function函數計算機 function computer; 函數計算器 function calculator; 函數運算 functional operation
  1. Based on these, considering prepayment " influence on mbs " price, the following three pricing methods are researched on deeply. referring to the experiences of foreign countries, the pricing method based on prepayment pattern is given ; considering the influence of interest rate on prepayment, different interest rate simulation pricing methods are set up, which is on the basis of different interest rate term structure model ; in view of interest rate and different incentive threshold of mortgager, a interest rate incentive function simulation model is established to price mbs

    在此基礎上，考慮到預付對證券價格的影響，對以下三種定價方式進行了深入研究：借鑒國外經驗，提出了基於提前還款模式的定價方法；考慮利率對預付行為的影響，建立了基於利率期限結構的不同種模擬利率定價模型；考慮到利率以及抵押借款人的不同利率刺激門檻對預付的影響，建立利率刺激函數模擬模型進行定價。
  2. The thesis analyzed the present transferring status between pudong airport and shanghai " s incity. through forecasting the long - dated flux of pudong airport and the area near it and combining the planning scheme of shanghai urban rapid mass transit, the thesis learned the helpful experience of the traffic organization in typical airport abroad and used the scientific analyzing model of public traffic flux forecasting to put forward some reasonable suggestion of the bottleneck question between pudong airport and incity : the one is to use the present no. 2 subway as the future airtrain to take on the most part of the flux and meantime present the concept of feeder efficiency to quantitative analyze the choice of feeder station ; the other is to set up cat ( city air terminal ) to convenient the passenger to come airport rapidly and economically in order to lessen the pressure of the traffic and improve the whole service quantity of civil aviation transportation

    本文分析了浦東機場與市內目前的換乘現狀，從預測浦東機場及緊鄰空港區域中遠期的客流量入手，結合上海市政府快速軌道交通的規劃方案，並且學習境外典型機場交通組織的有益經驗，利用規劃中的公交客流預測等科學分析模型，對浦東機場與市中心的軌道交通銜接提出了合理的建議：一是利用目前的地鐵二號線作為航空軌道共享線來承擔大部分進出空港的客流，並且給出了以接運效率最大化為目標函數的接運公交軌道站點比選模型；二是在市中心設立城市航站樓以方便旅客快速、經濟地到達機場，從而減少道路交通壓力，提高航空運輸的整體服務質量。
  3. Following this idea, considering the serious information asymmetry and personal expect utility maximization in the double auction, we intends to construct a bidding model on bayesian nash equilibrium based on incomplete information games, consequently obtain a solution on each private values and maximum forecast price and minimum forecast price on the marketing. then, we analyze in detail the characters and possibilities of the offer strategy by means of computer simulation according to the experimental economics

    在此基礎上，考慮到雙向拍賣中存在的信息嚴重不對稱和個人期望效用最大化，構造了該拍賣模式中基於不完全信息博弈的貝葉斯納什均衡模型並求解，獲得一個關于各自估價和市場最高及最低預測價格的線性函數的報價策略。
  4. The minimum erathwork of slope cutting is regarded as target function, and the anticipated factor of safety of slope as a constraint condition, so this problem is equivalent to optimality one with constraint conditions. thus the optimal scheme of slope cutting can be obtained

    這里將最小的削坡土方量作為目標函數，將預期的邊坡安全系數作為約束條件，把削坡問題等價於一個有約束的優化問題，可找出最優的削坡方案。
  5. When the paper uses the optimization regulation, it divides the management time into " t " stages according to ten days to make up the decision having many stages of the reservoir ' s optimization regulation, and it takes the reservoir ' s retain quantity of water or retain status of water and confiscated quantity of water a s condition variable, takes the water quantity of drawing off or quantity of electricity as decision variable. when the confiscated quantity of water can be known or be forecasted in every stage during the period of management, that is to say the confiscated water process can adopt the determined process, we can make up determine dynamic plan model with many stages and take the minimal lacking water as objective function

    在動態規劃方法中把水庫的整個調度期，按句劃分為t個時段，以水庫的蓄水量s或蓄水位z和入庫水量q作為狀態變量，以水庫放水量q或電站出力n或發電量e作為決策變量，構成一個多階段決策過程，當計劃調度期內各時段的入庫徑流量已知或可以預報，即入庫徑流過程可以採用確定性徑流過程時，分別按缺水量d最小作為目標函數建立多階段確定性動態規劃數學模型。
  6. After a short - term load forecasting method based analogous and linear extrapolation is proposed, the load forecast and the priority of equipment action are led into static reactive power optimization. the aim function is constructed for the practical situation of power system. on the basis of traditional genetic algorithm the fitness function and the holding of population diversity are improved

    在提出基於相似日和線性外推的短期負荷預測新方法的基礎上，將負荷預測和設備動作優先級引入靜態無功優化中，並結合電網實際情況，構造了實用的目標函數，對遺傳演算法的適應度函數和群體多樣性的保持進行了改進，採用鄰域搜索運算元增加遺傳演算法的局部尋優能力。
  7. Based on netomac, a software package for power system simulation, the model and algorithm of pre - dispatch schedule in generation markets, excitation system parameter setting, and power system small signal stability anaylsis are studied in this thesis. the main work is as follows : a model of pre - dispatch schedule is proposed, whose target is to minimize the market purchasing price ( mpp ) in the whole pre - dispatch period. then according to the characteristics of pre - dispatch schedule, the model of pre - dispatch schedule is simplified to minimize the mpp in each pre - dispatch time, and a three - step algorithm of pre - dispatch schedule is designed : dealing with the optimal problem in the whole period of pre - dispatch with static planning method, solving the problem of combination of machines with pr1 method, resolving problem of optimal power flow ( opf ) with modified powell method

    本文基於netomac模擬軟體，以發電市場預調度計劃模型及演算法、勵磁系統參數整定和電力系統小擾動穩定性分析為研究內容，主要做了以下工作：建立了以整個預調度計劃周期內的市場購電價格最小為目標的發電市場預調度計劃模型，並根據預調度計劃問題狀態數多、變量多、混合整數、非解析的特點，將預調度計劃模型的目標函數簡化為各時段的市場清算電價最小，設計了三段式預調度演算法：用靜態規劃法求解整個預調度計劃周期內的優化問題；用優先級法求解機組組合問題；用改進的powell法求解最優潮流問題。
  8. Chapter 1 of the thesis describes the gradual reform of the state - owned enterprises and the gradual expansion of the non - state - owned business. because of the gradual mode, the formal dominated state - owned enterprises kept stable expectation and rational behavior. their product objective function changed step by step from planning output to profit maximum

    正是由於採取了漸進改革的方式，才能夠使得中國經濟中原來占支配地位的國有企業，在改革過程中保持了穩定的預期和理性的行為，其生產行為的目標函數從計劃產量逐步過渡到了利潤最大化。
  9. The owner - occupied housing demand is determined by ( 1 ) the disposable non - capital income, ( 2 ) the unit cost of owning a house, ( 3 ) the expected resale price, ( 4 ) the weight of bequest function in the utility function

    自有房屋的需求主要取決于（一）可利用的非資本所得（祖先的遺贈金額加上恆常所得減掉最低遺贈限值） ， （二）單位擁屋成本（當期房價加上預期的單位使用者成本） ， （三）預期重出售房價， （四）遺贈函數在效用函數的權重。
  10. The dynamics behaviors of the flexible jeffcott rotor system supported by unsteady short dynamic bearing are investigated. based on nonlinear unsteady - state dynamic n - oil film force model described by three functions the local stability of the periodic solutions with the controlling parameters, rotational speed ratio, imbalance amount, damping ratio and viscidity, are predicted by using the floquet multiplier. it is found that the period doubling bifurcation is caused by a certain imbalance amount and the hopf bifurcation is created by the lost stability of the oil - film

    研究了非穩態動載短軸承支撐的jeffcott柔性轉子系統的動力特性，基於可用三個函數表示動態油膜的非穩態非線性油膜力模型，將轉速比、不平衡量、阻尼比、粘度作為控制參數，利用floquet乘子預測周期解的局部穩定性，發現倍周期分叉是由一定量的不平衡引起的，而hopf分叉是由油膜失穩造成的。
  11. In this paper, subjects mainly focused are as follows : to meet with the requirement of forward business and the establishment of mid - long term generation planning of hydroelectric plant, the yearly runoff and the monthly runoff are studied in this paper, providing many kinds models that suited to min - long term runoff forecast, including the time series analysis, the nearest neighbor bootstrap regressive model, the grey topological model, recession curve model, threshold auto regression, mean generating function, and ann model etc. the forecast result proves that these models are useful

    本文從以下幾方面進行了較為深入的研究： （ 1 ）為了滿足水電廠的期貨交易及編制水電站中長期發電計劃的需要，本文對年、月徑流預測進行了研究，提出了徑流中長期預測模型，包括：時間序列模型、最近鄰抽樣回歸模型、灰色拓撲預測、退水曲線模型、門限自回歸模型、均生函數模型及神經網路模型等，從預測成果來看，效果較好。
  12. Based on the minimum cross entropy theory, a new model, which can forecast mortality distribution by minimizing the cross entropy function subject to the future life expectancy of insurants, is proposed

    基於最小叉熵原理，建立了預測被保人死亡率分佈的一個模型最小叉熵模型，該模型以叉熵函數作為目標函數，以被保人的預期壽命作為約束條件，通過最小化叉熵預測被保人的死亡率。
  13. The western theory of the consumption function believes that the main factors that influence the residential consumption demand are the income of residents and the forecast of future income and expense

    西方消費函數理論認為影響居民消費需求的主要因素是居民的收入以及對未來收入和支出的預期。
  14. Ecmwf ( 1977 ). proceedings of the ecmwf workshop on the use of empirical orthogonal functions in meteorology, 2 ? 4 november, 1977, european center for medium range forecasts, reading, uk. ecmwf ( 1977 )

    Ecmwf經驗正交函數在氣象上應用的專題會議論文集，於1977年11月2 ? 4日，在歐洲中期天氣預報中心舉行（聯合王國，里丁市） 。
  15. Upon using an artificial neural network ( ann ) a new short - term climate forecast model with the monthly mean rainfall in june in the north of guangxi as predictand is established making empirical orthogonal functions ( eof ) to the 36 predictors ( 15 ssa predictors, 21 500hpa height predictors ) with over 0. 05 significant correlation level of previous 500hpa height and sea surface temperature ( sst ) field, and selecting the high relative principal components, at the same time, a new approach of constructing ann learning matrix is developed. predictive capability between the new model ( principal components ann model ) and linear regression model for the same predictors is discussed based on the independent samples and historical samples

    本文通過對廣西北部6月平均降水量（預報量）同北半球月平均500hpa高度場和北太平洋月平均海溫場進行相關普查，選取了前期36個同預報量相關顯著水平達到0 . 05以上的預報因子（ 15個海溫場預報因子， 21個高度場預報因子） ，並運用自然正交函數展開方法對這36個前期預報因子展開，取其中同預報量相關程度高的主成分，結合人工神經網路技術，提出了一種新的構造人工神經網路學習矩陣的方法，建立了一種新的短期氣候預測模型。
  16. Predefined date time formats format function

    預定義日期/時間格式（ format函數）
  17. Completeness provide the minimum functionality that any reasonable user would expect to find and use. create complete documentation ; document all features and functionality

    完整提供任何合理的代碼使用者所預期的最小函數集；創建完整的文檔，記錄所有的特徵和功用。
  18. In this paper, according to the periodically active characteristics shown in the historical earthquake data in this region since 1900, we describe the rule of seismicity with sine function and furthermore make a preliminary forecast of the seismicity intensity and the developing trend in northeast china till the year of 2008 by using the periodogram of time sequence and other analytical methods

    摘要根據東北地區1900年以來的歷史地震資料所顯示的周期性活動特點，用正弦函數描述其地震活動規律，並結合時間序列的周期圖及其他一些地震活動性分析方法，對該地區未來1 ~ 3年地震活動發展趨勢和地震強度作了初步預測。
  19. Abstract : based on the short - range self - memorial climatic model and area rainfall characteristics, an area rainfall ensemble prediction model is built, which combines mean - generating function model

    文摘:在短期自憶氣候模式的基礎上，著重考慮了區域性降水特點，組合均生函數時序模型，構造了區域降水預報模式。
  20. In order to assure that the stress and strain state of structure is secure, the author analyses respectively the objective functions of the reasonable finished state and buckle - cable adjusted phase ; thus, the optimized model based on fga is framed. finally according to the example, the computation datum are compared with the iterative forward analysis method and the optimal control theory. the result shows that this method can be used conveniently and meet the construction and design precision

    為了滿足大跨度鋼管混凝土拱橋施工的安全性與成橋預期的內力狀態和拱肋線形，本文結合工程實例，分別對合理成橋狀態和扣索索長調整的目標函數的確定進行了分析，將一組多變量、多約束的最小化問題無約束化，從而建立起適合於該問題的遺傳演算法優化模型，將其計算結果分別與迭代前進法和隨機最優控制理論進行了比較；結果表明，採用該方法編制的基於結構計算的遺傳優化程序操作靈活，能很好的滿足施工和設計要求。
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