極值法 的英文怎麼說

中文拼音 [jízhífǎ]
極值法 英文
extreme-value method
  • 極 : 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...
  • 法 : 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...
  1. The best optimum mathematical model is constituted. scalar factor of structural parameter on loop rectangular negative pressure and adsorption slide is calculated. structural parameter, air gas source pressure carrying capacity and thickness of air cell are made sure by hydrodynamics and the theory of gas lubrication

    詳細論述了導軌副的設計過程，運用數學上的拉格朗日條件極值求解法，建立最優化數學模型，求出環矩形負壓吸附導軌的結構參數的比例情況，並運用流體力學和氣體潤滑理論確定了環矩形負壓吸附導軌的結構參數、氣源氣壓、承載能力和氣膜厚度的確定性結論。
  2. Study on neural network fast extreme seeking algorithms for jet cross beam system

    利用神經網路快速極值搜索演算法研究微噴十字梁系統
  3. Thirdly, resorting to cooperation - competition model of biomathematics, this thesis proposes a new co - evolution model. simulation results are shown to verify its effect and practicabilitv. last, standard methods for optimizing neural netvvorks are easily trapped into local optimization, and unable to adjust the structure of neural networks, thus their application is limited to certain extent

    本文主要驗證和設計適應性操作運算元和小生境方法保持群體多樣性的能力，實驗表明兩種方法都能較好地達到目的；利用生物合作競爭模型設計協同演化來動態地改變群體規模，實驗表明該模型是有效的；人工神經網路是得到越來越廣泛應用的學習系統，但是由於學習演算法存在一定的缺陷，如易於陷入局部極值，難以調整網路的結構等，使神經網路的應用受到一定的限制。
  4. Research and development of extremum seeking algorithm

    極值搜索演算法的研究與進展
  5. The authors put forwards a new method which select the terrain profile perpendicular to falling line ( opposite direction of gradient ) to determine the candidate points on ridge and valley

    摘要利用有關數學原理從理論上對地形高程斷面極值法進行了分析和深入的研究，指出了該方法的不足。
  6. 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小型企業的廣泛應用與相對滯后的研究水平，本文提出了三種新的能切實地解決目前尺寸鏈計算機輔助分析解算中存在的各種難題的設計方案，第一種方案將尺寸鏈中各組成環能取的極值組合起來，自動列方程組，求解每個組合情況下的封閉環尺寸，最後比較這些結果，得出封閉環的最大最小值；第二種方案將尺寸鏈各組成環向預先設定好的兩個方向投影，之後再分析各尺寸環投影分量的增減性，並且提供了組成環兩個方向上的投影分量增減性不一的復雜情況下的解決辦法，綜合組成環各投影分量的增減性，然後自動列出方程組，最後根據各組成環的投影分量以及所列的方程組來確定尺寸鏈封閉環的尺寸；第三種方案以蒙特卡洛法為原理，在尺寸鏈各組成環的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的零件尺寸分佈情況，以更經濟更合理的方式分析、計算封閉環尺寸。
  7. Cutting parameters limited method of arced lath tool in cnc curved mightily turning

    圓弧車刀數控強力曲面車削用量的極值法
  8. Abstract : this paper mainly utilizes the methods of formula, isometric transform, cut and complement, extremes and analyzing special section to calculate the volume in solid geometry

    摘要:文章探討了用公式法、等體積變換法、割補法、極值法、分析特殊截面等方法求立體幾何中幾何體的體積。
  9. Several complementary computing dimension chain formulas of extremum method and probability method are deduced

    推導了使用極值法、概率法計算尺寸鏈的補充公式。
  10. The loom finish modeling in this research is designed according to the extreme of function and the statics moment balance theory

    摘要本研究所創建的沖線模式是依據多變量函數極值法與靜力學力矩平衡原理設計而成。
  11. The matching rate of the suggested two methods were compared for the assembly size chaims with different number of the forming links, with different number of the forming link parts, and with different deviation distribution types on the assumption that the closing link tolerance of the selective assembly is a tenth of that calcalated by the extremum method

    以不同組成環數、不同組成環零件數、不同偏差分佈類型的裝配尺寸鏈為研究對象，取選擇裝配的封閉環公差為按極值法計算所得封閉環公差的十分之一，以匹配率為評價指標，比較了兩種方法的優劣。
  12. 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。
  13. Based on the built mathematic model for lunar robber a two - closed - loop tracking control strategy is proposed. this proposed strategy applies single neural sliding mode control method for nonhomonomic constraints, fuzzy control method for uncertain conditions and lagrange optimization calculation for the redundancy of the inputs

    考慮到系統模型中存在的非完整特性、參數不確定性和冗餘輸入，分別採用單神經元滑模變結構方法、模糊控制方法和拉格朗日極值法來設計控制器。
  14. Reseach of measuring sound speed by amplitude extreme method

    振幅極值法測聲速的研究
  15. This system could be used to replace the common method called max value of single wavelength, and is best for improving the coating quality and production

    本系統可取代單波長極值法，對提高產品的質量、提高生產效率起到重大作用。
  16. A method of getting effective microcavity length by measuring microcavity emitting modes, which can direct the controlling of thickness of organic layers, is put forward

    指出光學極值法可以可靠地避免這種影響。介紹通過微腔發光模式確定有效腔長，可方向性指導有機薄膜的厚度控制。
  17. Compared with other algorithms, the first - order gradient algorithms and the neighboring extremal algorithms are adopted to resolve tpbvp, at the same time we found out the relation between them

    在比較各種解法基礎上，最終具有方向性地研究了梯度法和鄰近極值法，並找到了二者之間的聯系。
  18. In order to perform reverse more effectively, filter the noise of monitor signals, and enhance the accuracy of monitor system, optimization algorithms are analyzed to solve these problems

    為了更加有效地進行反演，濾除監控信號中的噪聲，以及提高極值法的監控精度，本文分析了最優化方法在這些問題上的應用。
  19. And with the results of calculation obtained by the first - order gradient algorithms which is initial value of the neighboring extremal algorithms we can transform the problem into a face to point one, then a good result is attained by the neighboring extremal algorithms. in the end, the course of orbit transfers is depicted

    利用梯度法對兩點邊值問題進行計算，將面對面的問題轉化為一個點對點問題，將所得結果作為鄰近極值法的初始值並進行精確計算。最後，描繪了最優變軌過程。
  20. Since the energy of 18 - information track signal is concentrated around upper frequency and lower frequency, the frequency of the modulation signal is low, and it must have high resolution, we use zfft to detect it. as the energy of um - 71 signal is more concentrated, we use extreme value method to detect the frequency of modulation signal in frequency domain, which can satisfy the frequency resolution

    針對18信息軌道信號能量集中在上、下邊頻附近且低頻信息頻率低的情況，提出了用zoom - fft （ zoom指頻率擴展或細化，簡稱zfft ）演算法進行信號的局部放大檢測低頻信息，以提高信號的頻率解析度，而um - 71軌道信號能量集中在載頻附近，在頻域上採用極值法檢測低頻信息，即可滿足信號頻率解析度的要求。
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