最小二乘平差 的英文怎麼說
中文拼音 [zuìxiǎoèrchéngpíngchā]
最小二乘平差
英文
leastsquareadjustment- 最 : 副詞(表示某種屬性超過所有同類的人或事物) most; best; worst; first; very; least; above all; -est
- 小 : Ⅰ形容詞1 (體積、面積、數量、強度等不大) small; little; petty; minor 2 (年紀小的; 年幼的) youn...
- 二 : Ⅰ數詞(一加一后所得) two Ⅱ形容詞(兩樣) different
- 平 : Ⅰ形容詞1 (沒有高低凹凸 不頃斜) flat; level; even; smooth 2 (高度相同; 不相上下) on the same l...
- 差 : 差Ⅰ名詞1 (不相同; 不相合) difference; dissimilarity 2 (差錯) mistake 3 [數學] (差數) differ...
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Least squares solution of equation is used to calculate and adjustment transformation matrix at same time, transformation matrix is used to calculate the 3 - axis angle of star sensor. so is very fast and precise
利用方程組的最小二乘解求取轉換矩陣,通過轉換矩陣計算星敏感器的三軸姿態角,使姿態計算和平差同時進行,具有較高的姿態計算精度和計算速度。A linear equation set can be solved by means of least square method, thus the form errors of the flat mirror under test can be obtained and the form of the flat mirror can be fitted
利用最小二乘法求解一組過定線性方程組,求得被檢平面鏡的面形誤差,擬合出被檢平面面形。Using iterative reweighted least squares method for evaluating flatness errors
使用迭代重加權最小二乘法求解平面度誤差With the basis of the system of nonlinear equations which is established by minimizing the error quadratic sum of theoretical and actual shaded value of the points on the typical surface, the parameters of the illumination models can be firstly determined by means of the least - square procedure
首先,以典型曲面上各點的理論灰度值與實測灰度值的誤差平方和最小為目標建立非線性方程組,以非線性最小二乘理論為基礎,通過解非線性方程組確定光照模型各個參數值。With the basis of nonlinear least squares theory, the system of nonlinear equations is established by minimizing the error quadratic sum of theoretical and actual gray level of the points on the typical surface, and the parameters of the illumination models can be determined by means of the least - squares procedure
以非線性最小二乘理論為基礎,以典型曲面上各點的理論灰度值與實測灰度值的誤差平方和最小為目標建立非線性方程組,通過求解非線性方程組來確定光照模型的各個光照參數。A new computational formula to nonlinear adjustment by parameters, in consideration of the second - order terms, is derived in this paper from the precise orthogonality condition equations to nonlinear least squares by analyzing the direct solving process and iterative computing method of the linearized model
在分析線性化的非線性參數平差的近似直接解法與迭代解法基礎上,利用非線性最小二乘的精確正交性條件方程,推導出顧及到二次項的非線性參數平差的一種新的計算公式。Both the asynchronous effect of synchronous reduction method and the time shift effect of regression reduction method are discovered and more precise models for both above methods developed in this paper
研究還表明:平均海面的回歸分析傳遞法和深度基準面的潮差比傳遞法均是最小二乘潮位擬合傳遞法的特殊形式。On the basis of the homotopy arithmetic, this paper puts forward a uniform model of nonlinear least square ( ls ) adjustment, which can be used not only for the nonlinear ls adjustment of the rank defect problems, but also for that of the rank full problems
摘要基於非線性同倫思想,提出了非線性同倫最小二乘平差統一模型,該方法既可適用於滿秩網非線性最小二乘平差,也可適用於秩虧網非線性最小二乘平差。This paper consists of two parts : in the first part, we will discuss the prob - lem of the pth - mean, complete consistency for the estimators of a nonparamet - ric and linear model with l ~ p - mixingale errors ; in the second part, we will dis - cuss the problem of the rth - mean 、 complete consistency for the estimators of themodels above with weak stationary linear process errors and the uniformly mean consistency. to the nonparametric model y _ ni = g ( x _ ni ) + _ ni, 1 i n, let g _ n ( x ) = w _ ni ( x, w _ n1, … ? xnn ) y _ ni estimate the unknown function g ( x ). to the linear model y _ i - x _ i1 1 + … ? + x _ iq ? _ q, we use lse _ nj to estimate the unknown parametric _ j
本篇論文主要是由兩大部分內容構成:一是關于誤差是l ~ p ?混合序列的線性回歸模型參數的最小二乘估計與非參數回歸模型未知函數的權函數估計的p ~ -階平均相合性和完全收斂性問題;另一部分是關于誤差是弱平穩線性過程的線性模型參數的最小二乘估計與非參數回歸模型未知函數的權函數估計的r ?階平均相合性和完全收斂性以及權函數估計的一致平均相合性問題。Many functions such as field information map, contrastive map of yearly yield, prescription map, etc. can be made. in order to improve using accuracy of agricultural gps, by analyzing the error of point, polyline, polygon, several methods are produced such as arithmetic average value, least squares, adding control points, etc. their principles, features and limitations are also analyzed and discussed. the mathematic model of average error method included in adding control points is established
為了進一步提高農用gps的使用精度,研究了提高精度的方法,通過對點、線、面等誤差的分析,提出了應用算術平均值法、最小二乘法、加入控制點法等多種提高精度的方法,分析和討論了它們的原理、特點與應用局限性,並建立了加入控制點法中的誤差平差法的數學模型。To the inequality constrained least squares adjustment problem, this paper converts many inequality constraints into one equality constraint by using aggregate function of non - linear programming ; a basic augmented lagrangean algorithm can obtain the solutions for equality constrained non - linear programming problem and the solutions are identical to those obtained by the bayesian method and / or simplex algorithm
摘要對不等式約束最小二乘平差問題,藉助非線性規劃中的凝聚約束方法把多個不等式約束轉化為一個等式約束,採用拉格朗日極值法求解,解與貝葉斯解或單純形解一致。Now the common algorithm which is used to calculate the parameter of the compensation network is the method of least squares which can calculate the result to make the least square sum of frequency deviation least
目前國內外計算補償網路參數的常用演算法是最小二乘法,最小二乘法能夠求取使得使頻率偏差平方和最小的值。Least square method is used to eliminate linearity errors of system as result of asymmetric illumination and fitting. averaging method of neighborhood and medium filtering method are used to effectively overcome thermionic noise as result of courses of image transferring, gathering and quantization and so on
對由於光照不均以及安裝等存在的系統線性誤差,採用最小二乘法線性擬合加以消除;對由於圖像採集、傳輸、量化過程中產生的熱電子噪聲,利用了鄰域平均和加權中值濾波方法來有效地減小。There are many papers ( cf [ l ] - [ 3 ] ) have studied the method and error estimate for boundary integeral equation and elliptic boundary value problems, and obtain some superconvergent results by varied post - processings such as interpolation, average and extrapolation etc. in this paper, we mainly study the galerkin solution for first - kind boundary integeral equation and elliptic boundary value preblem. further more we can obtain superconvergence results by ( l _ ( 2 ) project ion ) least - squares processing for derivative of elliptic boundary value problems
對于邊界積分方程與橢圓邊值問題的解法及誤差估計已有很多文章(參[ 1 ] - [ 3 ] )研究,並且通過各種后處理如插值、平均、外推等得到一系列的超收斂結果,本文則著重探討一型邊界積分方程galerkin解通過l ~ 2投影(最小二乘)運算元處理后以及橢圓邊值問題的導數進行l ~ 2投影(最小二乘法)處理后可獲得超收斂結果。The principle of ( least squares spectrum analysis, lssa ) is introduced in this paper based on the least squares parametric adjustment in vector space
摘要運用投影理論和基於向量空間中最小二乘平差原理,介紹了最小二乘譜分析方法,給出了最小二乘譜的計算公式。The estimation procedure is based on the steady - state characteristics versus slip curves. the sum of squares of differences between calculated and experimental characteristics is employed as the fitting criterion. the machine parameters are obtained by minimizing the least - squares cost function using genetic algorithms
該方法利用電機穩態特性曲線,以特性計算值和實驗值的擬合誤差的平方和作為判斷準則,通過應用遺傳演算法最小化二乘準則函數來獲取電機參數。Abstract : the paper gives a calculation method of nonlinear least square adjustment for different types of observation value, which reduces the dimensions of a big equation based on bfgs method
文摘:該文針對不同類型觀測值的非線性最小二乘平差,介紹一種將問題分離后再解算的基於變尺度法的解析方法。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。分享友人