求極小的方法 的英文怎麼說

中文拼音 [qiúxiǎodefāng]
求極小的方法 英文
minimization process
  • : Ⅰ動詞1 (請求; 要求) ask; beg; request; entreat; beseech : 求人幫忙 ask sb a favour; ask a favou...
  • : i 名詞1 (頂點; 盡頭) the utmost point; extreme 2 (地球的南北兩端; 磁體的兩端; 電源或電器上電流...
  • : 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...
  • : 4次方是 The fourth power of 2 is direction
  • : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
  • : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
  • 方法 : method; means; way; technique; process; procedure; plan; device; recipe; fashion; tool; maneuver
  1. Landslide is a geological hazard with serious losses. it is very important to research the controling methods. slide - resistant pile, which has many advantages such as high adaptability, little interference to landslide and geological environment, short construction time, high silde resistance, is a main method to control landslide. pneumatic down - the - hole hammer is a drilling method with many advantages. its features, such as wide application range, high hole quality, no circulating medium, low operation regulations, and drilling big diameter rock hole, fit to construct slide - resistant pile. according to the requirement of silde - resistant pile construction, this paper analyses feasibility that pneumatic dth hammer drilling applies to construct slide - resistant pile on the basis of introducing the features of pneumatic dth hammer. then an applied example is given

    滑坡是一種危害地質災害,它整治研究具有重要意義.抗滑樁是一種適應性強、對滑坡穩定性和地質環境干擾、工期短、抗滑能力強滑坡整治.風動潛孔錘鉆進是一種具有許多優點鉆進,它許多特點,如成孔質量高、應用范圍廣、無液體循環介質、鉆進規程參數、可實現大直徑基巖鉆孔等都適合於抗滑樁施工.文章在介紹風動潛孔錘鉆進特點基礎上,根據抗滑樁施工要,分析了風動潛孔錘用於抗滑樁施工可行性,並舉出了其應用實例
  2. The first one : fitting together ultimate values of every dimensions in one dimension - chain one by one, educing many equations by itself, calculating results, and comparing these results of close dimension to find maximal and minimal values. the second one : projecting all dimensions on two preestablished axis, then providing the solutions to analyze whether every projected dimensions is increscent or decreasing, and synthesize the effect of every projected dimensions to close dimension, educing many equations by itself, at last calculating the result of close dimension. the third one : according to monte carlo analysis, getting every dimensions " values from every dimensions " tolerances at random time after time, simulating the actual circumstances of mass production using these dimensions, and calculating reasonable results of close dimension economically

    鑒于這類系統在各大中型企業廣泛應用與相對滯后研究水平,本文提出了三種新能切實地解決目前尺寸鏈計算機輔助分析解算中存在各種難題設計案,第一種案將尺寸鏈中各組成環能取值組合起來,自動列程組,解每個組合情況下封閉環尺寸,最後比較這些結果,得出封閉環最大最值;第二種案將尺寸鏈各組成環向預先設定好兩個向投影,之後再分析各尺寸環投影分量增減性,並且提供了組成環兩個向上投影分量增減性不一復雜情況下解決辦,綜合組成環各投影分量增減性,然後自動列出程組,最後根據各組成環投影分量以及所列程組來確定尺寸鏈封閉環尺寸;第三種案以蒙特卡洛為原理,在尺寸鏈各組成環取值范圍內使用計算機產生大量隨機數,模擬實際大批量生產中零件尺寸分佈情況,以更經濟更合理式分析、計算封閉環尺寸。
  3. This paper has proposed a method controlling iteration number and stability of solution according to thought of integral convergence algorithm minimizing nonlinear equations

    本文利用非線性程組化全局收斂思路,提出了控制迭代收斂次數、控制反演解穩定
  4. This paper mainly studies the backward perturbation methods in solving the linear systems, and total minimal backward perturbation ( tminback ) method for symmetric linear systems is presented

    本文研究了解線性程組向後擾動。對解對稱線性程組lanczos做出了向後擾動分析,給出了解對稱線性程組總體向後擾動( tminback )
  5. The flexible decision method of bargaining for the kind of cooperative game is presented. the solution by the method is egalitarian and efficient. under some condition, it is the lexicographic maximin solution

    柔性決策,根據這種解具有公平性和有效性,符合管理科學基本原則;在一定條件下,這種解也是字典序
  6. A combined neural network and genetic algorithm with solving stability safety of homogeneous slope was proposed and the finite element method is applied to analysis the progressive failure process of the slope and the maximum equilibrium theory, requests out stability safety of homogeneous slope with the smooth arc radius of difference with the difference below the level coordinate of arc peak, utilizing the neural network algorithm to establish slidng the nonlinear mapping relationship between level coordinate of arc radious and arc peak, being adapted the neural network algorithm to look for along the minimal stability safety of homogeneous slope and corresponding arc radious and arc peak

    提出了解邊坡穩定性安全系數神經網路與遺傳演算。該採用有限元分析和限平衡理論,出不同滑弧半徑和不同弧頂水平坐標下邊坡穩定性安全系數,利用神經網路演算建立滑弧半徑和弧頂水平坐標與安全系數之間非線性映射關系,採用遺傳演算搜索邊坡穩定性安全系數及相應滑弧半徑和滑弧中心坐標。
  7. 3 g 一 g g abasi 叱 加 ical pp 訕 howthe qquasi ghgsical 毗 quasi sociological methodmo 止 secondlx we uthuther nalsze the nhrsical model on which he quasi pnsical and quasi sociological methods for solving s 肛 problembased considering a physical hypothesis on this model , we construct a counterexaxnple to showthatthe hypothesis is not eee ? howeve 二 itdoes notdamage the goodpractical effectof applpinp this phpsical model to solve s 盯 problem considering he existence of alsorithlnic region , which reflects that the quasi sociological method is very necessw for ass 吶 ng the high efficient of theent whole algori 燦 m therefore deepens our comprehension on the quasi physical and quasi sociological methods mird1x we wpl … 叫 nas 恤 ysi 陰 1md q 阻 si 500i 吶 i0alm 毗 cd 引 0 咖 we mathematical problem ofcom 恤 non oforthogonal tmles m successfully es 恤 fish a physicalopttrizatbo model for sotring saturated o 汕 ogonal tables , whwh ws provedto be correctintheo0 we thi 冰 。 w goodpersonated s 咖 egies forjumping out of the t 呷 oflocal minimum using quasi sociological method based onthe physical model thus wegetthe wholequasi physicaland quasi sociological algorim forthe problem ofconswction ofs 咖 med orthogonal tables he experimental results showthatthephysical model ishighly efficientthanthe conflmng nlllllber mode ! based on me pure m 她 ematical 訕 kgfound 他 sucoes 訕 11y ? ? rk 咖 m 枷 ons 訕 卿 nal 郵 ie with 3 leve13 using th 叫 u 1 physical and quasi sociological algori 恤 we got some o 汕 ogonal t 勸 les ofl 。 , ( 3 ’ ‘ ) which are not isomorphic moreove 乙 some ofour results are also not isomorphic to oe results pearedb 山 e open rekrences we got lip to now lastlx for 讓 卜 ancie 口 戊 扯 d importantproblemsofconstfutfuction oflatin square and orthogonal latin squares ( most of

    應用此演算,我們成功地計算出難三水平正交表本課題為國家重點基礎研究發展「九七三」規劃,國家「八六三」高技術發展計劃,高等學校博士學位點專項科研基金及中國科學院軟體研究所計算機科學開放研究實驗室課題基金資助項目1g一gs第四,應用擬物擬人嘗試解古老而重要拉丁、正交拉丁(它們事實上是正交表)問題。我們結合這些問題特性,建立了新物理模型,從理論上證明了這些物理模型正確性,並設計出擬人化「跳出局部值陷餅」策略,得到了解拉丁、正交拉丁擬物擬人演算。實驗表明, 」對某些問題演算有好效果。
  8. The paper is built as follows. in chap 1, we introduce the applied context of the minimal norm least square solutions for vandermonde matrix first. the fast algorithm of the minimal norm least square solutions for vandermonde matrix with mxn order and its transpose are presented later through constructing vtv ( or wt ) and seeking their inverses

    本文結構如下:第一章先給出了vandermonde程組范數最二乘解一些實際應用背景,然後通過構造陣v ~ tv (或vv ~ t )並其逆矩陣導出了以m n階vandermonde矩陣及其轉置,以及m n階跳行vandermonde矩陣為系數陣線性程組范數最二乘解快速演算
  9. Only clouds of points instead of grids are distributed over the computational domain and the spatial derivatives of the considered partial equations are estimated using a least - square curve fit on local clouds of points

    與傳統網格不同,無網格核心是用「點雲」離散解區域,並基於當地點雲離散結構,引入二次曲面逼近空間導數。
  10. Dynamic control of the limit water level belongs to non - structural measures of reservoir operation. with the analysis of the cause and rule of flood in the catchments and taking advantage of hydrology and metrology information, the operable method can be obtained which not only satisfies the flood prevention but also takes full advantage of flood resources, and the upper and lower limits of the limit water level are determined with serial hydrology calculation. then, the rule of using the upper and lower limits is put forward to reach a beneficial flood operation with small risk

    汛限水位動態控制屬於水庫風險調度非工程措施范疇,通過分析流域洪水成因和庫區降雨及致洪規律,結合水庫蓄泄能力,積慎重利用水文氣象預報信息,研究既能滿足防洪要,又可充分利用洪水資源可操作性調度,利用水文系列連續演算式推汛限水位變化范圍,提出使用汛限水位上下限原則,達到風險較、效益較大
  11. The best approximations algorithm is just the method which can solve the mini - max solution of the least value of frequency deviation. because of the reason above, in this paper the best approximations algorithm is introduced into calculating the parameters of atcxo compensation network for the first time

    最佳一致逼近演算正是能夠解出使頻率偏差絕對值最大解一種,為此將最佳一致逼近演算首次應用於模擬溫補晶振補償網路參數計算中。
  12. In the light of its special property being not easy to gain strength, through mechanics researches on different methods to stabilize this kind of low _ liquid _ limit silty soil as subbase material, evaluated both technically and economically, we have got a cement lime stabilization plan to meet the index requirements for non _ side _ limit strength of compression of subbase of class2 road stipulated in the specification ; by means of improving the workmanship, thickening the loose layer of soil, adding soil on covering weave fabric before compaction, such problems can be solved as very poor compaction, loose surface during compaction, roughness and unevenness, coats of layer and shear damages

    本文針對黃河沖積而成低液限粉土其粘粒含量低、土不均勻系數很、膠體活性差工程特性,通過採用不同穩定該類土作底基層材料力學性能研究,從技術、經濟角度綜合評價,得到滿足規范抗壓強度指標要水泥石灰穩定案。通過對原材料、試驗配合比設計、施工、等面進行優化,從而顯著減輕了基層早期及長期縮裂程度,從而提高了路面耐久性。
  13. With its round - the - clock opening hours, its good read periodical and its presentation of book shows and lecture series, eslite actively promotes the pursuit of reading. it provides a lifelong learning environment which encourages people at all levels of society to explore their inner depths and fulfill their potential

    誠品書店透過二十四時不打烊發行好讀刊物舉辦主題書展與演講等各種,積推動全民閱讀運動,誠品書店不只是一家書店,而是全民終身學習場所,鼓勵學生社會人士家庭主婦都能進一步探自己內心深度,讓自己發揮無限可能。
  14. We design an algorithm for searching the similar region by scanning the extreme value of minus image, which cost less in computation amount and can satisfy the requirement of application in precision

    我們給出了一種通過查找差值圖像值點來搜索相似區域。該計算量較,而且精度也能達到應用
  15. Secondly, basing on the theory of on - off gain of small signal, the raman gain coefficient for frequency shift between 0. 5 and 20 thz of standard sigle mode optical fiber is measured by pump - probe method through a super luminescent diode ( sld ) as a broadband small signal probe source. thirdly, numerical simulation analysis of gain characteristic of raman fiber amplifier for c band wdm signal light is made according to the raman gain coefficient of the fiber measured before through target and four rank runge - kutta method. at the invariability of wavelength and maximum power of each of two pumps, schematic of powers of two pumps for best flatness on c band wdm optical gain was found out, at the same time, the factors of resulting in gain saturation is analyzed, too

    本文首先應用經典電磁理論對拉曼光纖放大器工作機制進行了分析,然後,根據信號理論推導出開關增益出了光纖拉曼增益系數表達式,採用泵浦-探測波,利用超輻射激光二體( superluminescentdiode簡稱sld )作為探測光源,測量了所用標準單模光纖頻移為0 . 5 - 20thz拉曼增益系數,之後根據所測得光纖拉曼增益系數譜對應用該類光纖構成放大c波段wdm光信號拉曼光纖放大器增益特性採用打靶和四階龍格- - -庫塔進行了數值計算,在給定了兩個泵浦光源波長和最大功率后,找出了反向泵浦情況下使c波段wdm光源增益最平坦兩個泵浦各自最佳功率,同時也分析了導致信號光飽和原因。
  16. After analyzing the existing ambiguity resolution methods the dissertation investigates the baseline rotation method based on the antenna - swap idea, and develops the fixed axis rotation maximum - minimum method ? farmm and the equivalent rotation maximum - minimum method ? ermm applicable for static basement and moving vehicle respectively. the former lowers the demands on rotation device while the latter improves the flexibility of antennae installation. meanwhile the dissertation also brings forward an ambiguity function search method which needs only one single epoch data with the outer aided information, and investigates the accuracy requirements for the assistant pointing information

    其次,通過與gps等多星系統定向關鍵技術對比分析,指出雙星定向模糊度確定難度;在分析現有模糊度基礎之上,研究了基於交換天線思想轉動基線模糊度確定,並提出了適合於靜基座定軸轉動大/值farmm,以及適合於地面運動載體等效轉動大/值ermm,前者降低了對轉動機構,後者則提高了天線安裝靈活性;同時,提出了一種藉助外部輔助信息模糊度函數搜索實現單歷元雙星定向,並分析了對外部輔助單軸姿態信息精度要
  17. They abstract loads as points, and simplify the issue to find the point which makes running cost of electric power system minimum as optimal substation location. the single location optimal model is solved by the method of iteration which is often used to solve extremum problem. the multiple location optimal model is solved by the method which is called location, distribution by turns

    用得最多模型是經典單、多源連續選址模型,它將負荷抽象為幾何意義上點,將最佳所址簡化為使網路運行費最坐標,單源連續選址採用數學優化迭代解,多源連續選址通常採用交替選址?分配解。
  18. Utilizing method of function extremum, it is proved that there lies minimum coefficient heat transmission in sealed vertical air layer, that is to say there exists the minimum theoretical equivalent conductivity factor. furtherly, the equation of the most excellent thickness of air interlayer is obtained

    運用函數,證明了封閉垂直夾層中傳熱系數存在值,即封閉垂直夾層在理論上存在最當量導熱系數,並推導出了最佳空氣夾層厚度理論公式。
  19. In this paper, aimed at the characteristic of sensor acting force, a kind of calibration is proposed using cantilever. the cantilever and calibration device are designed, a linear calibration method is introduced. then the calibration experiment is performed, and the calibration matrix is solved

    針對傳感器測量力特點,採取了利用懸臂梁加載、顯微視覺測量微力間接標定進行傳感器標定,設計了懸臂梁、標定裝置,採用線性解耦,進行了標定實驗,解出標定矩陣,對傳感器靜態性能進行了測試。
  20. The thesis is divided into two parts. in the first part of the thesis, we discuss the solution of the discrete linear systems of the equations by the generalized minimal residual ( gmres ) method

    本文分為兩部分,第一部主要考慮在給定參數(包括積分節點選擇和核函數逼近情況下,如何應用廣義剩餘( gmres )解離散程組。
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