簡化型估計 的英文怎麼說

中文拼音 [jiǎnhuàxíng]
簡化型估計 英文
reduced form estimation
  • : Ⅰ形容詞(簡單) simple; simplified; brief Ⅱ動詞1 (使簡單; 簡化) simplify 2 [書面語] (選擇人才...
  • : 估構詞成分。
  • : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
  • 簡化 : simplify; facilitate; idealization; dilution; simplification; reducing; simplifying; [自動化] red...
  • 估計 : estimate; evaluate; take stock of; size up; calculate; appraise; reckon; estimation; forecast
  1. Third, this dissertation analyzes the complicacy of result size estimation problem for xml structure based query optimization compared to its counterpart in traditionally relational database, and proposes a full - featured result size estimation algorithm for xml query, sxm. for simple path expression query, this dissertation proposes a dynamic synopsis model for xml data based on the concept of f - stable and b - stable, xmap. for complicated path expression query, this dissertation adopts an improved bifocal sampling method for result size estimation

    第三,分析了xml結構查詢優中的查詢代價問題與傳統關系數據庫中的查詢代價問題的區別,提出了一套完整的xml結構查詢代價體系sxm ,包括對單路徑表達進行查詢代價的動態xml數據統xmap ,對復雜路徑表達進行查詢代價的雙焦點例舉法,以及對值匹配條件進行查詢代價的基於小波的多維直方圖方法,並能將多種查詢表達的查詢代價結果結合在一起,以給出一個完整的xpath查詢的代價
  2. In the paper, theoretic transfer heat model of hhchp is established. after comparing experimental value and estimative value, we deduce that theoretic transfer heat model accords with actual condition, so we can estimate the heat performance of hhchp by theoretic calculation formula

    同時建立了蜂窩熱管平板式太陽能熱水器的理論傳熱模,通過對實驗值和理論值的比較,得出進行后的理論模在一般情況下與實際的情況是符合的,因此可以用理論算公式對蜂窩熱管平板式太陽能熱水器的熱性能進行算。
  3. For the process of synthesizing of phosphonic acid dimethyl, the significance of application of mspc on it is discussed, the parameters and original data are deduced and estimated, and process monitoring and diagnostic simulation are given based on simplified model

    對于亞磷酸二甲酯生產過程,論述了對其進行多變量統過程式控制制的意義,對該生產過程的物性參數和初始數據進行了推導和,並在經過的生產控制模基礎上進行了多變量統過程監控和診斷模擬。
  4. Here we developed the general arma ( p, q ) - garch ( r, s ) - m ( k ) models, which maybe become increasingly important for estimating volatility returns and exogenous shocks for finance data. after we present the posterior distribution of the model and the full conditional distributions of all the parameters of the model, we develop a hybrid metropolis - hastings algorithm for estimating the parameters of arma - garch - m models based on the works of bayesian chib and greenberg ( 1994 ) and nakatsuma ( 2000 ). here we simplified the estimations in ma and garch block

    作為該模的推廣,我們在本文中提出了一個一般的arma ( p , q ) - garch ( r , s ) - m ( k )模,並在詳細給出模的后驗分佈以及模的所有參數的滿條件分佈的基礎上,結合chibandgreenberg ( 1994 )與nakatsuma ( 2000 )等人的工作,對此新模了一個可行的混合metropolis - hastings演算法,了ma塊與garch塊的
  5. The principle of the neural network models is different from that of the real - time running models. the latter is designed on the engine running, so the effect of the control strategy on engine performance can be observed clearly. while the former works out the solution directly from the testing data, avoiding the complex calculation procedure

    神經網路模與實時運轉模的構成原理不同,實時模以發動機運轉機理為設依據,使于充分觀測控制策略對發動機各種性能指標的影響;而神經網路模是根據己有的試驗數據進行直接推理,可避免大量的、推導、求解過程,對于諸多機理繁復的發動機變量而言是一極佳的求解方案,因此就更全面的進行電控系統的調試評考慮,兩種模有著良好的互補性。
  6. At some situation, some nodes pressure and supply of all water - supply sources are measured in xi ' ning ( resistance parameter of all pipes are known ). by using the pressure of the experiment and optimal measure points, the state simulation is done respectively to get all nodes " pressure. the comparison of the estimation results express that the optimal measure points is more representative than experiment one

    利用約梯度優法求解給水管網狀態的最小二乘數學模,實測某一工況下西寧市配水管網部分節點水壓h _ 0 、各水源供水量(管段摩阻已知)分別用優選擇的測壓點水壓和按經驗選擇的測壓點水壓所有節點的水壓,對西寧市配水管網進行了狀態
  7. Target state estimater ( tse ) is an important and indispensable part of integrated flight and fire control system ( iffcs ). this article takes the ground mobile object as the study model. it established the system state equation and observation equation from the perspective of promoting system accuracy, simplifying the calculation and facilitating the engineering realization, the tse was set up by using the kalman filtering calculation method in the wake of linearizing the observation equation to make it adapt the precondition

    目標狀態器是綜合飛行/火力控制系統中的一個重要組成環節,本文以地面機動目標為模,從提高目標精度、算以及便於工程實現為出發點,建立目標的狀態方程及觀測方程,並對其進行線性,利用自適應卡爾曼濾波演算法構造目標狀態器。
  8. Since it is difficult for the cable or beam model to consider the large deformation in the pipe crossing section, the fem analysis with shell element has been proposed to investigate the response of pipe. takada ( 2000 ) proposed a simplified design formula to obtaining the maximum strain in steel pipes based on the parametrical study using a beam - shell hybrid fem

    現在的抗震規范和有關研究中,還很少有大變形時管子內的應力應變的方法,雖然2000年高田至郎等人基於殼有限元模的參數研究提出了設用的算公式,但在他們的分析模中存在一些問題有待改進。
  9. The noise signal of passing vehicles is gathered with microphone array, and processed off line with the method of wide - band array signal processing, then the estimation of vehicle numbers can be transformed into the estimation of signal source numbers, up and down of the vehicle can be transformed into doa estimation of array signal processing. at the same time, vehicle types are classified using pca method of the pattern recognition based on vehicle noise, and some primarily study is done for vehicle recognition. at last, the result of the experiment proves this method is feasible

    對麥克風陣列所採集的車輛行駛時的聲音信號,運用寬帶陣列信號處理的方法進行離線處理,並將車輛個數的為陣列信號處理中信號源個數的,將車輛上下行的為陣列信號處理中波達方向變,進而較準確地出了車輛的個數與行車方向;同時對所採集的車輛聲音信號應用模式識別中的主分量分析法實現了車輛的單分類,為實現車識別作了一些初步的探索。
  10. Simplified parameter estimation of joint distribution of extreme wind speed and wave height based on multivariate extremal theory

    極值風浪聯合概率模參數方法
  11. Presents a simple method of compensating friction against the character of the nonlinear model of a brushless dc motor system which transfers the original system model to a simple linear model using the method of input - output linearization, and estimates the coulomb friction in the system in real - time using a nonlinear friction estimator, and then compensate the friction in the system using a friction feedforward, and concludes from simulation results that this method can effectively eliminate the influence of friction in brushless dc motor systems

    針對無刷直流電動機系統的非線性數學模特點,提出了一種單的摩擦補償方法.該方法首先利用輸入輸出線性方法將原系統模為一種單的線性模,然後給出一種非線性摩擦器實時系統中的庫侖摩擦值,最後利用摩擦前饋補償方法對其進行補償.模擬結果表明該方法可以有效地抑制無刷直流電動機系統中的摩擦影響
  12. Abstract : a noise model for the analog correlator used in the ultra wideband receivers is proposed due to lack of simulation capability on noise performance of the correlator in current eda tools. the analog correlator circuit is divided into several parts to calculate the equivalent noise sources respectively. the ideal impulse generators, instead of the noise sources, are then applied to obtain the time varying transfer functions. fourier transforms are carried out to explore the relationship between the noise input and output in frequency domain for each part. then the symmetrical noise sources are grouped together and the periodicity of the circuit is utilized to further simplify the model. this model can be used to evaluate noise performance of the correlator

    文摘:給出了分析模擬相關器的噪聲模.將相關器分成不同的幾個子模塊后,對各模塊分別算等效噪聲源.然後用理想脈沖源代替噪聲源算電路的時變傳輸函數,接著用傅里葉變換算輸入輸出的頻域關系.利用電路的對稱結構合併對稱的子模塊可以進一步.該模可以用來相關器的噪聲性能
  13. Meanwhile, the key research topics are focused on how to reduce the differential settlement between the main tall building and the anex on soft ground, where to set the post - cast strip, and what cause the smart change of the internal force of plate under the core canister of tall building. an experiential equation for estimating the maximum moment of plate is advanced. a method for calculating the range and the thickness of the local enganced plate and another experiential equatio n for estimating the increment of maximum moment of the local plate are also suggested

    同時著重就軟弱地基中減小高層建築主裙房之間沉降差異的措施、施工后澆帶的設置位置,以及高層建築核心體下筏板內力變劇烈等問題展開了分析,提出了筏板最大彎矩算值的經驗公式,獲得了體下局部筏板加厚處加厚范圍及加厚厚度的取值方法及加厚處最大彎距增幅算值的經驗公式,為今後設同一類高層建築提供一些借鑒。
  14. According to the characters of a computer system, three typical estimate parameters, including computer unit, service, and user request, were chosen and their measurement standards explained respectively

    根據算機系統的特點總結出算機單元、服務、用戶請求等三個典算參量,說明了各自的度量標準,並對為算機模而進行的約定進行了要描述。
  15. We chose suitable tcp throughput model to estimate the available bandwidth correctly, using the estimated round trip time and packet loss ratio for the next time interval as parameters of the model to achive the accuracy of estimated network bandwidth. as the observed losses and round trip time vary very dynamically, adjust the sending rate equivalent to the amount of tcp throughput may result in a rather fluctuant sending rate. so we present a rate adjustment like tcp congestion control based on aimd, which increases its sending rate by an additive inereease rate

    根據mpeg4視頻流應用的特點,選擇合適的吞吐量模,進行合理的參數,並根據算出的帶寬進行相應的速率調整來實現擁塞控制,我們使用未來rtt的值和分組丟失率的值作為吞吐量模的參數,增強了控制的實時性,弱了業務的振蕩性,提高了帶寬預測的準確性;在進行速率調整時,不是單地將發送速率調整到與tcp吞吐量模一致,而是採用類似tcp的aimd策略來調節發送速率,減小了發送速率的振蕩性。
  16. The representative failure models of main beam are searched by incremental method and disadvantage loading in the control sections. the equal - substitute beam method is applied, which can simplify the reliability estimation on bearing capacity of beam - bridge. and the state function on bearing capacity reliability of beam - bridge is presented and the structure resistance theory ( or design ) probability model in state function is deduced

    首先,針對梁式橋結構顯著失效模式之一? ?主梁的失效,研究在用梁橋承載力可靠度分析方法,主要包括:根據梁橋損傷狀況外觀調查和結構內力分析,確定其承載力可靠度分析的控制截面;將增量荷載法和控制截面處不利布載相結合的方法應用於梁式橋結構體系主要失效模式的搜尋;引入等代梁法以梁橋承載力可靠度的算;給出梁橋承載力可靠度功能函數及推導功能函數中結構抗力理論(或設)概率模
  17. Based on the above contribution the method is used to evaluate the accuracy and limitation of the simplified design methods proposed by the chinese jgj 138 - 2001 specification and yb9082 - 97 specification, which are only suitable for concrete encased composite columns of rectangular cross section with doubly symmetric structural steel. several valuable conclusions and suggestions for practice design are obtained

    在此基礎上,利用算機程序對國內兩個組合柱設規程,建設部頒布的《鋼混凝土組合結構技術規程》 ( jgj138 - 2001 )和冶金部頒布的《鋼骨混凝土結構設規程》 ( yb9082 - 97 )中建議的配置對稱結構鋼的矩形截面鋼-砼柱的方法進行了分析和評,獲得了一些對工程設有價值的結論和建議。
  18. For ofdm communication systems in multipath environment, we introduce a symbol timing error estimation algorithm based on a new eqivalent system model. it works even in strong multipath environment and its computation cost is relatively small

    針對ofdm同步問題構造了一種多徑環境下ofdm通信系統的等效模,並在此基礎上提出一種多徑通道下的ofdm定時偏差器。
  19. The main contents of this dissertation consist of the following parts : an improved unscented kalman filter using spherical simplex unscented transformation ( sukf ) is derived in an attempt to solve the attitude estimation problem with the biased gyro or not from the vector observations

    主要完成了以下幾方面的工作:針對有陀螺和無陀螺兩種模式,提出了一種基於球形分佈sigma點ut變換的改進ukf濾波( sukf )的衛星姿態演算法。
  20. First, the dynamics characteristics of the heat - exchanger unit is analyzed carefully by using the knowledge of the fluid dynamics and heat transfer etc., and makes some reasonable simplicities and assumptions. so it establishes the mathematical model of the working process of the heat - exchange unit, and applies the recurrence parameter estimator to identifying and proving

    本文首先綜合應用流體力學、傳熱學等方面的知識,分析了換熱機組的動力學特性,通過合理的和假設,建立了換熱機組工作過程的數學模,並使用遞推參數辨識器對其主要參數加以和驗證,從而得到換熱機組的carma (受控的自回歸滑動平均)或carima (受控的自回歸積分滑動平均)模
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