differential of function 中文意思是什麼

differential of function 解釋
函數的微分
  • differential : adj 1 差別的,區別的;特定的。2 【數學】微分的。3 【物、機】差動的,差速的,差示的。n 1 (鐵路不...
  • of : OF =Old French 古法語。
  • function : n 1 功能,官能,機能,作用。2 〈常 pl 〉職務,職責。3 慶祝儀式;(盛大的)集會,宴會。4 【數學】...
  1. By using transfer function, quantitative analysis, pattern analysis and reduced analysis of driving fatigue can be finished. based on automatic control theory, driving fatigue can be analogized as two parts : inertia link and proportion differential link

    採用傳遞函數將駕駛疲勞定量化、簡約化、模式化,借用自控理論將駕駛疲勞類比為兩個過程:類慣性環節的響應過程及類比例微分環節的響應過程。
  2. Construct function by mid - value theorem of differential calculus

    由微分中值定理構造函數
  3. The structure method of auxiliary function is very important in solving questions about middle value theorem in differential calculus

    摘要構造輔助函數法是解決有關微分中值問題的一種重要數學方法。
  4. According to different features of conclusion about middle value questions in differential calculus, four kinds of methods about the auxiliary function structures will be concluded

    針對微分中值問題的結論的不同特徵,本文歸納出了輔助函數的四種構造方法。
  5. Aimed at the flaw of weak anti - slide function in traditional engineering machine, the thesis puts forward a new auto - anti - slide differential gear system controlled by intel 8751 microcontroller, which adopts the fuzzy logic as its control algorism and the best slide ration ( s ) as system ' s control target

    針對傳統工程機械差速系統存在防滑功能不強的缺陷,提出以intel8751單片機為控制晶元,以最佳滑移率s為控制目標,採用模糊邏輯控制為控制演算法的自動防滑差速系統。
  6. Forced oscillation of a class of nonlinear parabolic function differential eqation

    一類非線性拋物泛函微分方程的強迫振動性
  7. Output can be obtain, next we use our designed the wavelet soft threshold to select result of the wavelet transform, finally, we give the selected result reversal wavelet transform. it is obvious : the wavelet soft threshold is important to improve the quality of the gray image processing. i give the donoho wavelet soft threshold a modified value method, which has a relation with ratio of signal - noise. i made full use of discrete hop field single feedback neural network, and nonlinear steady of automatic system at last, i obtained a steady limited ring, give the energy function an order differential a optimal

    我的思路是:改造現有圖形結構,先建立能反映信噪比大小且含待定參數k的表達式,然後通過離散型h0pfi舊單層反饋神經網路,再結合前邊的混合濾波器構成一個非線性控制系統,寫出對應的網路函數,利用相平面法和李雅普諾大穩定性的判據,得到一個穩定的極限環,從而確定出參數卜的范圍,進而再對原來的小波軟閾值進行修正,用修正後的值作為小波閾值。
  8. By using knife edge as object, and cmos sensor as device for image analyzing, we get edge spread function from the image and use differential operation and fft to obtain modulation transfer function of the lens, then its image quality is known

    以刀口作為目標物,以cmos作為圖像分析器件,從圖像中獲取刀口函數,經微分和fft運算,得到成像鏡頭的mtf (調制傳遞函數) ,從而得知其成像品質。
  9. By introducing proper stretchy variable and constructing boundary layer function, it concludes n - order approximate solution, and using theory of differential inequality, uniformly validity of asymptotic expansion is proved

    通過引進適當的伸長變量,構造邊界層函數,得到了解的n階近似值,並利用微分不等式理論證明了解的漸近展開式的一致有效性。
  10. To observe differential two kind of methods in pull out urinous catheter had to differential injure in bladder function, 80 patients divided into two groups at random : improved method of 40 patients and normal method of 40 patients and to ananlyse and compare successful rate in urinate, resumed rate in function of forced urinous muscle, stimulative symptom of urethra, incontinence of urine and retention of urine, that were from two groups patients

    摘要為觀察兩種不同的拔尿管方法對膀胱功能損傷的差異,將80例患者隨機分成兩組,分別採用改良法( 40例)和常規法( 40例)拔除留置尿管,分析比較了兩組患者排尿順利率、逼尿肌功能恢復率及尿道刺激癥、尿失禁、尿瀦留。
  11. The elastic foundation model is considered as two - parameter elastic foundation model and its effect to moderate - thick plates are taken into account by a set of governing differential equations. united with hu hai - chang ’ s function, least squares collocation weighted residual method which uses b - spline function as trial function is put forward for solving the bending problems. compare with the results of finite element method of lines, spline finite strip method, accurate solution of series etc. it is proved that the method in this article has adequate accuracy and practical feasibility

    本文採用瑞斯納中厚板理論求解彈性地基板,建立雙參數地基與中厚板相互作用的控制微分方程,結合胡海昌的解耦函數,運用雙五次b樣條函數作為試函數的離散型最小二乘加權殘值法分析了雙參數地基上的中厚板的彎曲問題,並將結果與有限元線法、有限條法、級數精確解等進行比較,證明本文方法具有足夠的精確性與實際的可行性。
  12. Abstract : the distribution of cooling air which is in the grille - brick of the inner combustion hot air stove has been simulated with three dimension turbulent mathematical model so as to find a method which is used to improve the distribution of cooling air in hot air stove. the influence of differential horizontal plates on the distribution of cooling air is discussed. the results show that original big circle round field of flow in the pillar - cavity is changed into full one - way field of flow and edges gas flow, at the same time, is increased by horizontal plates. there is a different function with horizontal plates and vertical plates. to make the uniform distribution of cooling air in the hot air stove, it is necessary that horizontal plates and vertical plates are used in a combined way

    文摘:應用紊流三維數學模型模擬內燃式熱風爐內冷風在格子磚柱中的分佈,尋求改善其分佈的途徑.討論了加設不同布置的水平導流板對氣流分佈的影響.模擬結果表明,在支柱空腔內加設水平導流板改變了原有大迴旋流場,使迴旋流變成大面積的單向流.通過在支柱空腔內加設水平導流板可以發展邊緣氣流,這恰好與加設豎直導流板的作用相反,水平導流板和豎直導流板的結合使用有望實現冷風在格子磚柱中的均勻分佈
  13. In this thesis, we demonstrate the study of si - based light emitting materials and its importance in si - based photonics integration. we discussed mainly the gain, differential gain, threshold current of si - based quantum - dot laser and the dependence of threshold current on temperature from discrete energy level of three - dimension confined quantum - dot and state density distribution of 5 - function

    本文闡述了si基光發射材料的研究進展及它在硅基光電子集成中的重要地位,從三維受限量子點的分立能級和函數狀的態密度分佈入手,著重討論了si基量子點激光器的增益、微分增益、閾值電流及閾值電流的溫度特性。
  14. This paper focuses on the research of the stress mechanism of the ribbed shell structure in statics, dynamics and under the explosive load on the basis of the engineering practice of cave depot of single aircraft. in this paper, according to the classical shell theories, the basic differential equilibrium of the ribbed shell structure and the finite element analysis of 3d rippled plate are established, in which the function of annular ribs reinforcement bars and 3d ripped steel plates are distributed in the range of the steel, and the functions along the longitude direction of tension, bending, and torsion are neglected ; applied with dynamic analytical theory, the dynamic model of ribbed shell structure and the analytical theory model of elastic - plastic are set up ; the triangle series method is used to solve the displacement and stress under the distributed load and the concentrated load of the ribbed shell structure

    本文以軍用機場地面單機掩蔽庫工程建設為工程背景,首次對內襯三維波紋鋼板混凝土拱型復合結構的受力機理進行了靜力、動力和爆炸荷載的分析研究。根據將橫肋、鋼筋及三維波紋鋼板的作用均勻分佈在殼體范圍內的情況,忽略橫肋、鋼筋及三維波紋鋼板沿殼體母線方向的抗拉、抗彎及其抗扭作用,首次推導出了內襯三維波紋鋼板混凝土殼體的微分平衡方程,建立了有限元計算模型,並採用三角函數法,求解了三維波紋鋼板混凝土拱型復合結構在分佈荷載和集中荷載作用下的位移響應和應力響應,並與普通殼體進行了比較。
  15. This paper consists of three parts : we first consider the non - autonomous predator - prey system with both beddirigton - deangelis functional response and dispersion. by using comparison theorem of differential equation, we study the permanance of the system. after that, by constructing suitable lyapunov function, we obtain some sufficient condition which guarantee the existence of globally asymptotically stable almost periodic solution of the system

    本文研究三方面的內容:第一部分考慮具有擴散和beddington ? deangelis功能反應的捕食-食餌系統,利用微分方程比較原理得到該系統一致持續生存的條件;通過構造適當的lyapunov函數得到了該系統存在全局漸近穩定概周期解的充分條件。
  16. Using df ( describing function ) in determining the limit cycle number of differential equation is a significant analysis try

    摘要將描述函數法用於確定微分方程極限環個數的問題是一個有意義的理論探索。
  17. ( 4 ) in order to improve the system and its working function, a hydraulic controlled direction valve is connected in the main oil circuit to control the differential of the piston. then the dimentions of the cylinder and the piston are reduced, improving the working properties

    廣東工業人學工學顧十學位論義( 4 )為進一步改進設計方案,提高其工作性能,在主油路中加一液動換向閥,控制活塞的差動,從而將減小油缸和活塞的尺寸,提高工作性能。
  18. Lagrange and cauchy differential mean value theorem on open interval are obtained based on generalized roll ' s theorem, which make it more expedient to study general character of function defined on open interval by means of derivative

    摘要基於推廣的羅爾中值定理,得到有限開區間上的拉格朗日中值定理及柯西中值定理,使得利用導數研究開區間上函數的整體性態更為方便。
  19. When solving the problems, we use the support vector regression ( svr ). first assuming the formula of function, then according to the differential and boundary conditions we transform the original problem to the quadratic programming problem. finally, use the learning algorithm of svr to decide the parameters

    只要事先假設出所求函數的表達式,然後根據已知的微分關系和邊界條件對待求函數進行約束將原問題轉化為二次規劃問題,再採用支持向量機回歸演算法對樣本進行學習即可求出參數,確定待定函數的關系式。
  20. The boundary problem of differential equations is a problem of function regression

    求解偏微分方程邊值問題的數值解是函數估計的一個方面。
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