In the paper the local polynomial method which is contained the local modelling approach is employed to estimate the unknown functions 本論文使用局部光滑方法中的局部多項(xiàng)式方法給出未知函數(shù)的估計(jì)。
The analysis of randomness of local stress and strain in strain - based fatigue was studied , the approximate polynomial method was proposed 探討了應(yīng)變疲勞的局部應(yīng)力應(yīng)變的隨機(jī)性分析,提出了近似的多項(xiàng)式擬合法。
In addition , the paper proposes a polynomial method to define the limited position of mechanism and to design a mechanism based on its quick - return characteristic 文中還提出了確定機(jī)構(gòu)極限位置和按急回特性設(shè)計(jì)機(jī)構(gòu)的多項(xiàng)式方法。
The main work accomplished in this dissertation is as follows : on the basis of the theory of oscillating fluid mechanics and the parametric polynomial method , the flow - induced vibration of pipe on offshore platform is studied 具體工作內(nèi)容如下:根據(jù)振動(dòng)流體力學(xué)基本原理,應(yīng)用參數(shù)多項(xiàng)式方法,對(duì)海洋平臺(tái)輸液管道內(nèi)流流體激振進(jìn)行研究。
A discrete orthogonal polynomial method is put forward for curve fitting sub - pixel edge detection algorithm , which decomposes two - dimensional curve fitting into one - dimensional curve fitting , and improves the reliability and computation speed of the algorithms 引入離散正交多項(xiàng)式,提出了一種新的曲面擬合亞像素邊緣檢測(cè)算法。該算法將二維曲面擬合分解為一維曲線擬合,大大提高了算法的可靠性和速度。
The key technology of the moving load identification is realized with the certain precision by using the generalized ortho - polynomial method , and the dynamic moving load identification model in generalized ortho - polynomial domain is established 本文在載荷勻速移動(dòng)的基礎(chǔ)上,將時(shí)域識(shí)別的方法推廣運(yùn)用到變速運(yùn)動(dòng)的載荷,運(yùn)用廣義正交變換技術(shù)研究了移動(dòng)載荷識(shí)別的新方法,并推導(dǎo)出了在廣義正交域下移動(dòng)載荷識(shí)別的數(shù)學(xué)模型。
( 3 ) compare the complexity and precision of the polynomial method and orthogonal polynomials method used in geometrical adjustment , an experiment is made ; some surface fitting method used in spatial co - registration of multiresolution image are studied and experiments are made to show their different in effects ; in order to increase the spectral inherit , we make a histogram match in images to be fused 比較了圖像幾何校正的多項(xiàng)式方法和正交多項(xiàng)式方法在復(fù)雜度與精度上的差異,進(jìn)行了仿真實(shí)驗(yàn);研究了不同插值技術(shù)在圖像配準(zhǔn)中的應(yīng)用,對(duì)不同插值方法的效果進(jìn)行了比較,給出了示意圖;為消除圖像灰度級(jí)不匹配對(duì)融合結(jié)果的影響,對(duì)待融合圖像的灰度直方圖進(jìn)行了匹配處理。
The approximate polynomial method was based on neuber ' s method , the cyclic stress - strain responses and neuber ' s rule were treated as probabilistic curves , and the statistic characteristic was obtained from the approximate polynomial . the method is fast and easy for engineering application 近似的多項(xiàng)式擬合法在諾伯法的基礎(chǔ)上,將循環(huán)應(yīng)力應(yīng)變曲線和諾伯雙曲線視為概率曲線,通過建立近似多項(xiàng)式的方法,求得局部應(yīng)力應(yīng)變的統(tǒng)計(jì)特性,快速簡(jiǎn)便,適合工程應(yīng)用。