least-square analysis 中文意思是什麼
least-square analysis
解釋
最玄乘方分析-
Based on the theories described above, calculation formula of general dimension of least square measure and multi - fractal fault diagnosis and analysis system have been established with borland c + + builder 5. 0, and checked by pure sinusoidal and cosine signal and sinusoidal signal with noise, and verified by the examples
基於上述原理，建立了最小二乘法的廣義維數計算公式，用borlandc + + builder5 . 0編制了以廣義維數計算分析為基礎的多重分形故障診斷系統，並對標準的正弦信號、餘弦信號及帶有噪聲的正弦信號進行了驗證。 -
The results are as follows : based on the nonlinear least square optimization technique and singular value decomposition method, the back - analysis method for estimating material properties is established
以非線性最小二乘的優化原理為基礎，並結合奇異值分解，開發了基於非線性最小二乘的路面模量反演演算法。 -
By analyzing the latest subspace - based face recognition methods, we proposed the improved version of them. including : 1. we apply partial least square algorithm ( pls ), classified partial least square algorithm ( cpls ) and canonical component analysis ( cca ) algorithm in face recognition
1 .將用於線性回歸的偏最小二乘演算法（ pls ）和分類偏最小二乘演算法（ cpls ）用於人臉識別，同時將規范主元分析演算法（ cca ）用於人臉識別。 -
Then the dynamic weighing system is equivalent to system that is time changeing and non - linearity syetem, dynamic mathmatic model is established by analysis. for the system is the arma model, parameter identification method of adaptive least square based on householder transformation is adopted
然後，將動態稱重系統等效為二階系統，分析得出了系統為時變非線性系統，推導出了其動態數學模型，並且根據系統為arma模型，將問題轉化為參數辨識問題。 -
After an intensive analysis of several methods of computing the orientation image, we select the " least square estimate " method in our research
我們對多種求解指紋圖像方向圖的方法進行了深入的分析與比較，並最終選定了「最小平方估計法」作為我們求解指紋圖像方向圖的方法。 -
In this paper, the high - temperature low - cycle fatigue life and fatigue crack propagation life tests are carried on the cylindrical axial symmetry specimens having precrack or non - precrack with different types of notches of 16mnr steel in common use in the petrochemical industry contacting coke drum equipment, the stress / strain and the range of stress / strain of dangerous points are received through stress analysis of the specimens using finite element program under multi - axial stress state. at last, the equations of evaluating the high - temperature low - cycle fatigue life and the fatigue crack propagation life are found through using the least - square regression method
本文採用無預裂紋和帶預裂紋環狀缺口圓柱形試樣，進行了石化焦炭塔設備常用材料16mnr多維應力狀態下不同缺口形式的高溫低周疲勞總壽命試驗及裂紋擴展壽命試驗，並利用有限元程序對試樣缺口周圍及裂紋尖端附近進行了軸對稱多維應力狀態下的應力、應變場分析，來評價材料不同條件下的高溫低周疲勞總壽命和裂紋擴展壽命，最後利用最小二乘回歸方法，得到了該材料高溫低周疲勞總壽命和裂紋擴展壽命評價方程。 -
The half analytic formula is reasoned out, which is applied to the sensitivity analysis on design parameters. through the sensitivity analysis of design parameters in constructing phase of nanpu bridge, the main design parameters are confirmed. based on this, the real value of parameters are identified by least square method, by this token, the error of design parameters can be eliminated in the process of construction control
為了減小鋼管混凝土拱橋施工過程中的施工控制誤差，本文推導出了用於結構設計參數敏感性分析的半解析公式，並對南浦大橋各施工階段的結構參數進行了敏感性分析，從而確定出該橋的主要設計參數，在此基礎上，利用最小二乘法對這些參數進行識別，估計出各參數的真實值，以消除施工控制中結構設計參數誤差。 -
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。 -
In this paper, the approaches of load incremental and discrete least square collocation have been employed successfully in the geometrically nonlinear analysis for both stiffened and nonstiffened cylindrical shells
摘要本文採用載荷增量最小二乘配點法分析圓柱殼體和縱、橫向加筋圓柱殼的幾何非線性問題。 -
3 ) the six parameters of the asphaltic concrete core dam is inversed by least square, bayes random and bp neural network method. the sensitivity analysis of the parameters is studied
分別用最小二乘法、 bayes隨機法和bp人工神經網路法反演瀝青混凝土心墻材料的六個參數，並對參數的敏感性進行研究。 -
( 6 ) the analysis on singularity configurations of the manipulator were investigated by the singular value decomposition of jacobian matrix, which was treated with the damped least - square method in the motion. from the results obtained it was indicated that the minimum singular value of manipulator calculated by the damping jacobian matrix were far from zero position. velocity, position and accelerate of all the joints of manipulator moved regularly, consequently the problem that the joint of mani
（ 6 ）通過雅可比矩陣奇異值分解進行番茄收獲機械手奇異性分析，並採用阻尼最小二乘法對機械手運動中的奇異位形進行處理，使番茄收獲機械手最小奇異值遠離零點，各關節運動速度、位置和加速度運動無異常波動，解決了機械手在奇異位形處某些關節運動無法控制的問題。 -
The software could realize the wavemaker system control, data acpuisition, data analysis and sensor calibration, the applacation of multi - thread technology, precise timing technology and memory management technology in the wavemaker system is described respectively. furthermore, the software realizes real - time display of sampling process with directx technology and adopts object - oriented thinking to handle interfacing card. estimateing spectrum with ar model and calibrating the sensor with least square algorithm are also discussed in detail
控制軟體利用多線程技術進行多任務控制；採用高精度時間函數實現精確定時；利用虛擬內存與內存映射文件進行內存管理；採用directx技術實現采樣過程的實時顯示；利用最小二乘原理對傳感器進行標定；採用面向對象思想實現對控制採集卡的操作；利用ar參數模型法進行譜估計。 -
According to the observed results and the corresponding settlement calculation results, the objective function is established by using the least square method. with the pattern search method, the optimal estimate of the needed inverse - analysis parameter has been gained
根據實際觀測值與相應的沉降計算值，應用最小二乘法原理建立目標函數，利用模式搜索方法（ hook - jeeves法） ，通過尋優的方式獲得待反演參數的最優估計。 -
The extrusion is successfully divided into three ideal stages through the analysis on the pressing force and displacement curve in the process of extrusion. the mathematical model of three import and one export about extrusion velocity, temperature, extrusion force and displacement was constructed by the combination of first order classic least - square algorithm and least - square linear identifying, and the steady control to extrusion force was realized
採用一次經典最小二乘演算法和最小二乘在線遞推辨識相結合的方法，建立了以擠壓速度、溫度和位移為輸入，擠壓力為輸出的三輸入單輸出數學模型，同時對于在擠壓過程壓制階段中出現的不穩定現象，提出了合理的解決方案，能夠對擠壓過程壓制階段的壓制力進行較好的預測。 -
Based on the analysis of previous work in detail, a scheme of a - posteriori error estimation is introduced into the local boundary integral equation method ( lbiem ), which is constructed with the difference between the raw solutions of lbiem and the post - processing solutions with taylor expansion and moving least square approximation ( mlsa )
通過對無網格演算法在誤差估計方面的工作分析，根據原始解和后處理解的不同，將一種誤差佑計的方案引入到局部邊界積分方程方法中，其中后處理解採用泰勒展開和移動最小二乘近似得到。 -
2. several mathematical tools used in mspc are introduced, including principal component analysis ( pca ) and multi - way principal component analysis ( mpca ), principal component recursion ( pcr ), partial least square ( pls )
2 、介紹了幾種用於多變量統計過程式控制制的數學工具，包括主元分析及多向主元分析、主元回歸、部分最小二乘等方法。 -
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。 -
Fifth, through statistical analysis of electrical connector accelerated life test data, verified that the reliability statistical model of electrical connector and the reliability statistical method under doof data are both correct. applied the maximum likelihood estimate method with the least squares estimator of test data as preliminary estimate and weighted least square estimate method separate to treat the different kind test data, obtained the estimator of electrical connector reliability characteristic values
第五，採用極大似然估計法和加權最小二乘法對電連接器加速壽命試驗數據進行了統計分析，得到了電連接器可靠性特徵量的估計值，驗證了電連接器可靠性統計模型和doof數據下可靠性分析方法的正確性。 -
Secondly, this paper proposes a neural network training scheme based on the linear least - square method through the characteristic analysis of multi - layered feed forward neural networks, and then applies that to identify a pmsm model
接著通過對多層前向神經網路特點的分析，給出了一種基於線性最小二乘法的神經元網路訓練方案，並把它應用於永磁同步電機模型的辨識中。 -
This paper has studied and set up a supervision and control system based on the backing item of jinzhou yangtze river bridge with main span of 500m, by analyzing the development of construction control of cable - stayed bridges in china and abroad, foreword calculation of 250 work cases of plane bar fem, adoption of advanced equipment and devices, quick analysis of gathered data research of karemen filtering method, least square and gray model gm ( 1, 1 ) into the identification of the real state and precuts and effective manage mechanism
本文以荊州長江公路大橋主跨500米的混凝土斜拉橋施工為應用背景，通過分析目前國內外大跨度混凝土斜拉橋施工控制現狀，結合該橋施工實踐，運用平面桿系有限元計算理論對大橋250個工藝進行正裝計算，採用先進測試設備和儀器，利用計算機快速分析處理技術對現場監測系統收集的數據進行誤差分析，系用卡爾曼濾波法、最小二乘法和灰色理論gm （ 1 ， 1 ）進行結構真實狀態的識別和後期預測，通過科學高效的監控管理機制的運行和監控實踐，探索並建立了一套適合於大跨度混凝土斜拉橋的施工監測監控體系。
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