擬合準則 的英文怎麼說

中文拼音 [zhǔn]
擬合準則 英文
criteria for fitting
  • : 動詞1. (設計; 起草) draw up; draft 2. (打算; 想要) intend; plan 3. (模仿) imitate
  • : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
  • : Ⅰ名詞1 (標準) standard; guideline; criterion; norm 2 (目標) aim; target Ⅱ動詞1 (依據; 依照)...
  • : Ⅰ名詞1 (規范) standard; norm; criterion 2 (規則) regulation; rule; law 3 (姓氏) a surname Ⅱ...
  • 準則 : norm; standard; criterion; rule; formula; square
  1. At first, this paper analyzes the factors of water - sand influencing water level of yellow river and the feasibility just using the factors of water - sand to study water level, and collects the corresponding data ; secondly, because there are strong nonlinear relation in the corresponding data, by meticulous theory analysis, this paper integrates basic nonlinear analysis method, theory of random analysis, method of least squares and so on. it puts forward a method which can get the high accuracy simulation of the data, perfects the multi - factor analysis of variable ( over three factors ) of the statistic ; thirdly, it applies the method to the approximation of corresponding water level process which belong to the capacity of sand of middle - high and middle - low, and get the high - accuracy simulation about the typical nonlinear relation ; at last, this paper definitudes the main influence mode that the capacity of sand. it mainly unite with other factors to work on the water level in the yellow river lower reaches ; mor eover, this paper analyzes the difficult point and the direction of improvement to realize the accuracy forecasting of the flood level of erodible - bed channel

    首先,系統分析了影響黃河水位的水沙因素,及僅用水沙因素有效研究水位的可行性,並按變量對應思想採集它們的相應數據;其次,由於相應水位過程數據中含極強的非線性關系,本論文經細致的理論分析,將基本的非線性分析方法、統計建模方法、隨機分析理論、最小均方誤差原等等數學理論及方法有機揉,提出了能有效實現這類數據高精度的分層篩選法,並改進了統計學中多因子(三個以上)方差分析法;再次,將這一方法用於黃河中高及中低含沙類洪水相應水位過程的,實現了這一典型非線性關系的高精度,各年汛期上下游相應洪水位過程的誤差都較小;最後,明確黃河下游含沙量對水位的主要影響方式,即含沙量主要是與其它因素聯對水位作用;另外分析了要實現變動河床洪水位過程確預報的困難所在及改進方向。
  2. Abstract : incompatible element nh11 and hybrid stress element 18 were employed to analyze rock burst occurring in coal face 9108 of sanhejian coal mine. compared with the results from ansys, the two optimized fems can execute more accurate numerical simulation in the research of rock burst as well as other rock problems and lessen the errors from inaedquately meshing in huge calculations due to the limitation of labor and computer time. in addition, the criterion of averaged generalized stress rate was proposed and used to determine the site and moment of rock burst. the given conclusion is in accordance with the face of coal face 9108 very well

    文摘:利用優化非協調元和雜交元分析了三河尖礦沖擊礦壓,並與ansys程序的計算結果進行了比較.認為優化有限元在沖擊礦壓乃至巖石材料的數值模中能給出更為精確的結果,也可減小大型計算中由於人力、機時所限粗分網格產生的誤差.分析中,採用了廣義平均應力率來判斷沖擊點位置和沖擊時刻,所得結論與實際情況吻
  3. On the basis of bishop, fem ( finite element method ), dem ( disturbing energy method ), ann ( artificial neural network ) and ai ( artificial intelligence ), the thesis has study in details about the stability analysis, condition forecast, repair mode selection of the landslide, and obtain some significative conclusion

    本文結實例,運用簡化畢肖普法、工程數值模技術-有限元法、基於系統能量的干擾能量法、神經網路理論及人工智慧理論等多種手段,從不同角度對滑坡的穩定分析、狀態預測、整治方案選取等進行了較為深入的研究,得出了一些有意義的結論。
  4. Thirdly writer, using linear elastic theory and finite element program ( ansys ), analyzed expanding bolt pullout test. fifthly, writer using the modified mohr - coulomb failure theory, on the base of curving failure surface, derived a theoretical formula between pullout force and compressive strength. then the thesis compared the formula with the strength - detecting formula of expanding bolt pullout method

    本文採用ansys有限元程序對脹栓拔出法試驗過程進行彈性理論分析;以修正的摩爾-庫侖破壞,在實際破壞面的基礎上推導出極限狀態下脹栓拔出法的混凝土拔出力與混凝土抗壓強度的理論公式,並把該公式與脹栓拔出法測強公式進行了比較。
  5. In this paper, the method of dimensional analysis is used to analyze the interaction between ocean current, pipeline and seabed, and the similarity laws that should be followed in the small - scale laboratory experiments are established

    文章應用量綱分析方法對海流、管道與海床之間的動力耦作用進行了分析,確定了在實驗模中應遵循的相似
  6. Based on the convergence criterion of root - mean - square ( rms ) of phase and output power, the actual intensity on reflectors are solved with fox - li iteration so that the deformations of mirrors and one - way phaseshifts are calculated. by simulating one - way phaseshifts with zernike polynomial, the laser modes are studied with method of iteration and geometriy. the evaluation factors of components influences on beam quality is discussed

    根據相位均方根值迭代收斂和輸出功率,用fox - li迭代法求出反射鏡上實際的光強分佈和熱源,得到鏡面的位移變形和單程附加相移,以zernike多項式單程附加相移,分別用迭代法和幾何法計算了腔鏡變形時的腔模光場,建立了光學元件對光束質量影響的評價因子,研究腔鏡冷卻效果和冷卻方式,對輸出耦鏡的變形進行了分析。
  7. The integrated identification of fractures with the bpo interpretation of logs and the 3d seismic fracture interpretation technology were used to predict the development and distribution rules of fractures in ve rtical and plane directions of mesozoic reservoirs of baigezhuang region. the plane distribution of the stress fields of different major oil reservoirs determined with finite element numerical simulation provides a theoretical foundation for the research of the plane distribution of the fracture. thus, the quantitative prediction of the tectonic fractures is possible

    本文應用測井參數的bp神經網路裂縫綜識別方法、三維地震裂縫檢測技術,預測了柏各莊地區中生界儲層平面或縱向上裂縫的發育分佈及規律;並用有限元法數值模技術展示出不同主力油層的平面古應力狀態,為研究裂縫的平面分佈規律提供了理論依據;在此基礎上,依據巖石破裂進行了構造裂縫定量預測。
  8. There are three steps of the concrete process of the algorithm : initial localization, separating image and confirmation. firstly, single gaussian model is used to imitate skin - color distribution, meanwhile, skin probability images which is smoothly disposed using middle wave is calculated to attain the initial localization. secondly, in order to separate the latent face region, it uses multimodal information that includes the region growing 、 the hue and brightness 、 skin probability images etc. at last, it adopts the criterion of morphology analysis and face characteristic draw to confirm the latent region

    演算法的具體過程主要分為三個階段:人臉初定位、人臉分割和人臉確認,首先採用高斯模型來模膚色分佈並構造出膚色概率圖進行人臉的初定位,並對膚色概率圖採用中值濾波進行平滑處理,接著利用區域生長和融色度、亮度以及膚色概率圖等多源信息相結的方法對圖像進行分割,以達到分割出潛在臉區的目的,最後採用人臉整體形狀的確認和人臉特徵提取的確認相結的方法對潛在臉區的最終確認。
  9. Chebshev criterion of fit

    的切比雪夫
  10. " our recommendations are drawn up with an objective and fair method and fully meet all the statutory criteria. political influence or advantage plays no part at all in our decisions, " he said

    他說:我們的建議不但是用客觀公平方法訂的,也完全符所有法定;我們所作的任何決定絕不考慮政治影響力或利益等等因素。
  11. The effect of different yield criteria on the finite element simulation of deep drawing formability for different thickness tailor welded blanks

    屈服對差厚鋁金拼焊板拉深成形數值模的影響
  12. After all have done we could get the equation of indicating pointer and long length graduation. and then calculate the distance between the two lines to estimate whether the two lines are superposition under a given threshold. if not superposition the computer will drive the standard power station to a suitable value and estimate again until being superposition

    根據出的指針直線方程和長刻線直線方程計算出兩者之間的距離,並根據預先設定的閾值,判斷兩者是否重,如未重驅動標源,根據判斷更改指針位置,並再次判斷,直到重
  13. However, we usually simulates the conditions of the engineering working geology which let to the destruction after the warp caused by the strength with ideal model, and the destruction conditions the warp of the strate caused by the strength is short of the judgement principle, etc. so, the result usually ca n ' t accord with the truth

    而工程施工地質條件、地層受力變形后發生破壞的條件採用理想模型進行模,以及地層受力變形后發生破壞條件缺少符實際的判斷等,從而造成計算分析所得的結果常常不能與真實情況相符,甚至相差較大。
  14. When adopting fea to model, dfc could not only apply into incremental approach with a fully coupled elastic and plastic damage model, but to one step inverse approach

    利用有限元方法模時,韌性斷裂既可以應用到完全耦的彈塑性損傷模型的增量方法中,也可以應用到一步有限元逆演算法中。
  15. Are uncertain and should be regarded as random variables, therefore the reinforced concrete frame is stochastic structure inherently, and then its motive equations converted to combined random differential equations for the uncertain parameters and external random excitation. these equations were solved by order - orthogonal expansion method with pseudo - excitation method, and then the statistic stochastic responses of random structure were obtained. at last, based on the stochastic cumulative damage model with double parameters developed by park, formulas were formulated for calculating structural earthquake damage probability using the structural reliability theory ( mainly jc algorithm ) in extensive random space

    首先對受地震激勵的剪切型鋼筋混凝土結構進行建模,用隨機等效線性化方法將二階非線性微分方程組化成一階線性微分方程組(或稱之為狀態方程) ;再考慮材料等參數的隨機性,狀態方程成為復隨機微分方程組,將擴階系統方法和虛激勵方法推廣並應用於這個復隨機微分方程組,求出結構的隨機響應量的統計參數;最後採用隨機累積損傷破壞,在廣義隨機空間內,用jc演算法求解失效概率,進而求出結構的抗震可靠度。
  16. Secondly, the intelligent optimization algorithms are used as search strategy. to overcome the genetic algorithm ( ga ) ’ s premature convergence, the metropolis scheme was introduced into ga

    針對遺傳演算法的「過早收斂」 ,我們採用混優化演算法,將模退火演算法的metropolis接受引入到遺傳演算法中。
  17. The apsp produced abroad is made by numerical controlled machine tool, which has noise level of 71db ( a ), the apsp produced in our country is made in the method of exploratory which has noise level of 73db ( a ) and 75db ( a ). in order to analyze the influence of stator curve to noise, the author used tri - coordinate measuring instrument to measured exactly the inside surface of stator and got the straddling point coordinate, and made curve fitting by using matlab as language and studied the fitting effect and then worked out the equation of stator transition curve in return seeking, then comparied this method with the standard style and made the conclusion : the equation of atator transiting curve of apsp made by numerical controlled machine tool is close to theorical 5 power curve standard style, but compared with it, the stator transiting curve of apsp produced in exploratory has a major error. combining the testing results of noise, one can know that the qualily of stator transition curve play an importance to t he noise of the pump

    國外生產的汽車動力轉向泵是用數控機床加工的,其噪聲值為71db ( a ) ,國內生產的汽車動力轉向泵是用靠模方法加工的,其噪聲值分別為73db ( a )和75db ( a ) ,為了分析定子曲線對泵的噪聲的影響,本人用三坐標測量儀對定子內表面進行精密測量,獲得定子內表面的離散點坐標,以matlab語言為工具對離散點進行曲線,觀察效果,然後,用回歸方法求出了定子過渡曲線的方程,並把該方程與理論方程標型進行了比較,得出如下結論:用數控機床生產的汽車動力轉向泵的定子過渡曲線方程非常接近理論5次曲線標型,而用靠模方法加工的汽車動力轉向泵的定子過渡曲線與理論5次曲線標型相比較,存在著較大的誤差,結噪聲測試結果可知,定子過渡曲線的優劣,對泵的噪聲大小有著重要的影響。
  18. Based on modern optimization theory and optimal control theory, this dissertation studies some questions as follows : 1. the optimization model of parameter identification of three - dimensional geologic history numerical simulation, algorithm and its application geologic history numerical simulation is a basic content of basin numerical simulation, and the porosity is the major parameter in the evolution and development process of oil - bearing basin. according to the sedimentation and burial mechanism, the physical and chemical principles of oil geology, the mudstone porosity ' s non - linear parabolic partial differential equation has been established

    本文應用現代最優化及最優控制理論,對如下一些問題進行了研究: 1 、三維地史數值模的參數辨識優化模型、演算法及應用地史模是盆地數值模的一個基礎性的研究內容,地層孔隙度是含油氣盆地地史演化發育過程中的重要參數,根據地層沉積埋藏機理和石油地質的物理化學原理,通過引入數學物理方程概念,建立了泥巖三維孔隙度場方程,根據問題的特點,給出了方程的定解條件,對方程的動邊界也給出了處理方法,並且證明了解的存在性與惟一性,在此基礎上建立了以當今實測數據為擬合準則的三維地史數值模的參數辨識優化模型,這是一個含有二階偏微分方程約束的泛函極值問題。
  19. Criteria for fitting

    擬合準則
  20. The curve fitting is widely used in many fields, but how to design efficient algorithm under the three criteria is difficult in some degree

    摘要曲線在眾多領域中得到了廣泛應用,但是設計三種擬合準則下曲線的高效演算法存在一定困難。
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