least-square theory 中文意思是什麼

least-square theory 解釋
最小二乘方理論
  • least : adj （little 的最高級，比較級為 less 或 lesser）1 最小的，最少的 （opp most）。2 最不重要的，地位...
  • square : n 1 正方形，四方塊，四角；方形物。2 （方形）廣場；〈美國〉（四面都是馬路的）方陣建築；街區；（方...
  • theory : n. 1. 理論，學理，原理。2. 學說，論說 （opp. hypothesis）。3. 推測，揣度。4. 〈口語〉見解，意見。
  1. According to the kernel estimating theory of nonlinear semiparametric models under the least - square principle, the structural formulae of the estimation of parametric and nonparametric components and the direct formulas of kernel estimation considering the second order items were given

    摘要基於非線性半參數模型最小二乘核估計，給出了其參數分量和非參數分量估計的構造式，導出了參數分量和非參數分量顧及二次項直接解法的計算公式。
  2. E. tva load model structure, which is more adaptive to the measurement - based load modeling. based on the presented model, the dissertation further researches and applies the least square algorithm in classic system identification theory as well as the simplex method and the genetic algorithm in modern system identification theory to identify the load model

    在廣泛研究現有典型負荷模型結構的基礎上，論文提出了適用於量測建模的時變適應的負荷模型（ tva負荷模型） ；進而研究並綜合應用傳統辨識理論中的最小二乘辨識法和現代辨識理論中的單純形法、遺傳演算法進行負荷模型辨識。
  3. The laser power is detected through the pd ’ s movement across the faculous region. when the value of the peak value of laser power is got, the power of the facular boundary points can be found according to definition of the facular boundary such as “ 1 / e ~ 2 ” theory. then the equation of the facular boundary can be made fitting by using the least square method, and calculate the beam divergence at last

    採用兩個光電探測器分別檢測光束不同高度上的兩個光斑，在確定光斑中心最大光強值后，根據光斑截面尺寸的1 / e2定義，得到光斑截面邊界點的光強值，並以其為標準判定光斑截面的邊界點，對探測到的邊界點通過最小二乘法進行擬合，得到橢圓光斑截面的方程，根據空間幾何關系求出發散角。
  4. Based on the six - port relative power theory that for a given load the relative power ratios of different ports are left unchanged with the input power to the six - port varied, characteristic parameters of detectors can be obtained through the least - square method

    根據六埠相對功率理論即對某一負載各埠相對功率比值不隨輸入功率變化，由最小二乘法得到檢波器的特徵參數，結合四標準法，確定六埠網路的系統常數。
  5. Applied the robust estimation theory, it is made a new improved least square method. combined the normal distribution and the laplace distribution, there is created a new distribution model uber distribution in the paper, it is improved the method of the gross location and parameter estimation and is cleared out efficiently the gross error ' s effect for dam safety monitoring model

    應用抗差估計理論，提出一種抗差最小二乘改進法，結合正態分佈和拉普拉斯分佈，建立新的分佈模式? huber分佈，改進了粗差定位和參數估計的方法，有效地消除粗差對監控模型的影響。
  6. The thesis, applies the auto - adaptive theory to the arithmetic for mese ( maximum entropy spectral estimation ), and presents new lsll arithmetic for mese, which is based on method of the recursive least square with forgetting factor

    將自適應理論引入最大熵譜估計的演算法研究中，提出帶遺忘因子的基於最小平方準則的最大熵譜估計lsll格梯型演算法。最大熵譜估計演算法的定階準則研究。
  7. In the first part of this paper, we use solids theory to get the eos of ionic crystal and metal crystal, and use the datum of hugoniot of many solid materials, and make use of the least - square program to get the born - mayer potential parameters. this parameters can use in the theory calculation of eos

    在本文的第一部分，利用固體理論推導了離子晶體和金屬晶體的狀態方程的理論形式，又根據多種固體材料的hugoniot沖擊壓縮實驗數據，運用最小二乘法曲線擬合程序確定出它們的born - mayer勢參數，經驗證這種勢參數完全可以運用於實際的狀態方程的計算中。
  8. Based on the forecasting theory of the optimization weighted array, an optimization weighted array model with a runoff response linear model and a time sequential model is developed to predict daily runoff, and the optimal weighting coefficients are derived by the least square method

    摘要根據最優加權組合預測原理，建立了徑流響應線性模型和時間序列模型的優化加權組合模型，以預測日徑流，依據最小二乘法原理確定其優化加權系數。
  9. The robust system can prevent abnormal factors from entering the flood system, so as to ensure the stability of the system and the accuracy of flood forecast. firstly, the theory of robust estimation is introduced into parameter estimation of the auto - regressive model ( ar model ). also some estimation methods commonly used, including the huber estimation and igg estimation, are introduced and compared with the least square method ( lsm )

    洪水預報系統的抗差性研究，就是把抗差理論引入洪水預報中，利用抗差系統具有的抗差能力，使許多嚴重的不正常因素誤差影響，根本就不能進入系統，這樣，減少了系統的污染機會，降低了不正常因素的影響，可大大提高系統的穩定性和洪水預報的精度。
  10. A brief description is made about all - freeze lpg carrier ' s cargo handling system. second, classic hydrodynamic theory, least square method and difference method are exerted to cargo pump ' s mathematic model for theory analysis and calculation

    在本文中，作者首先介紹了國內外液化氣船的發展概況及船舶模擬的現狀和應用；對lpg船舶貨物系統作了簡要的敘述。
  11. Using the grid - type method to partition the space, regarding the modeling data as the antigen and the fuzzy rules as the antibody, this method determines the structure of t - s system with immune theory and adopts the least square method to estimate consequent parameters of the linear rule

    該方法結合網格空間劃分方法，以建模數據為抗原，模糊規則為抗體，採用人工免疫原理確定系統結構，並應用最小二乘方法估計線性規則後件參數。
  12. Nonlinear least square method programs which are used to curve fitting were programmed in matlab language. creep data of 600 < wp = 5 > were curved and analysized based on strain hardness theory and function method

    運用matalab語言編制非線性最小二乘法擬合程序，用應變硬化理論和函數法擬合600的蠕變數據，並進行分析。
  13. Furthermore, from the viewpoint of hydrological application, the types and characteristic of rainfall observation error in hydrological remote system are analyzed and a three - stepwise weight function correction method of the error in the system is developed on the basis of theory of robustified least square method

    然後根據遙測系統雨量觀測資料誤差的類型和特點，結合抗差最小二乘法，提出了雨量觀測資料誤差三步權函數修正方法。每一步均利用雨量資料誤差的不同特點，提出不同的權函數進行修正。
  14. Based on the hydraulic models available and the practical data of some hydraulic mornitoring spots, and the principle of least square theory, this paper established a hydraulic project condition check model for water supply pipe - net and explains it with the modified ga

    摘要在已有水力模型和部分水力監測點實測數據的基礎上，根據最小二乘原理，建立了給水管網水力工況復核模型，並用改進遺傳演算法對其求解。
  15. Abstract according to the defect of the conventional bayes " method in the geomechanical engineering back analysis, expanding bayes " method was established in this paper. with the applications of the probability theory and the mathematical statistics principle, the geomechanical engineering random back analysis objects function was founded based on the aic criterion of the decision information theory and the maximum entropy criterion, a the matching question between the observed information and the previous information of the conventional bayes " method were proposed. in addition, the least square method, maximum likelihood method and conventional bayes " method were unified in form

    本文針對巖土工程反分析中使用的傳統貝葉斯法中存在的缺陷，提出了擴展貝葉斯法，從概率論和數理統計的原理出發，建立了基於決策信息論中aic準則和最大熵準則的巖土工程隨機反演的準則函數，解決了傳統貝葉斯法的觀測信息與先驗信息的匹配問題，並從形式上完成了目前常用的最小二乘法、最大似然法及傳統貝葉斯法準則函數的統一，並可由觀測數據的質量和數量進行預測模型的辨識。
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