first derivative 中文意思是什麼

first derivative 解釋
一價導數
  • first : adj 1 最初的，最早的。2 最上等的，第一流的。3 基本的，概要的。4 高音（調）的。n 1 最初，第一；第...
  • derivative : adj. 導出的；派生的。n. 1. 派生物。2. 【語言學】派生詞。3. 【化學】衍生物。4. 【醫學】誘導法[劑]。5. 【數學】導數，紀數，微商。adv. -ly
  1. Section 3 and section 4 are the main parts of the paper. by employing the directional derivative and generalized gradient in the broad sense, as defined in this paper, the first order necessary condition and the first order sufficient condition of the single - objective non - smooth programming where the objective function is d - regular weak lipschitz function and constrained functions are regular weak lipschitz functions

    第三節和第四節是本文的主要章節，以本文定義的廣義方向導數和廣義梯度為分析工具，對目標函數為d正則弱l函數，約束函數為正則弱l函數的單目標非光滑規劃分別給出了一階必要條件和一階充分條件。
  2. Finally, this thesis discussed these following questions : first, the algorithm of used the error image for improving the purpose of the edge detection. secondly, we have transformed the solved question of the first and the second directional derivative to frequency domain and founded they have a single formulae in frequency domain. thirdly, we have described the singular signal and the noise by using the correlations of the neighbor data after wavelet transform

    最後，在傳統的邊緣檢測演算法和小波分析的邊緣檢測演算法之外，對以下幾個方面也進行了一些討論： 1 ）利用誤差圖像來提高邊緣檢測效果的演算法； 2 ）將求解任意方向的一階、二階方向導數的問題轉換到頻域中去求解，發現在頻域中它們具有簡單易用的公式，使得原來求解任意方向的一階、二階導數的比較困難的問題變得容易實現了。
  3. So it is impossible for enstatite to decompose to oxides between 50 to 140gpa. ( 5 ) the bulk modulus k0s and its first derivative of pressure k0s " were calculated from the experimental hugoniot data, by using eularian limit strain theory

    3 ）根據本文頑火輝石hugoniot實驗數據（結合前人的實驗數據l用歐拉有限應變理論計算得到的頑火輝石零壓炸彈性模量及其對壓力的一階導數為： k叮一266gpa ， k ； ，二4
  4. In this papery we discussed the the extremum of function of several variables, and generalized the result of paper [ 2 ], then we give the method of solving the extrme value of n - component function using first class partial derivative

    摘要討論了多元函數極值的問題，推廣了文獻[ 2 ]的結果，並給出了利用一階偏導數求多元函數極值的方法。
  5. A mark used as a superscript to indicate the first derivative of a variable

    撇號置於右上角的符號，用以標明變量的第一個導數
  6. At first, this paper presents two - demensional quartic convolution interpolation to smooth digital terrain. it is acquired from that it makes use of that the interpolation function of cubic spline interpolation has a continuous third derivative on the base of two - dementional cubic convolution interpolation. two - demensional quartic convolution interpolation is more precise than two - dementional cubic convolution and simpler than cubic spline interpolation in calculation. it can satisfy real - time route planning of ucav

    首先，在軌跡規劃前需要對數字地圖進行平滑處理，本文提出了二維四次卷積插值法。它在二維三次卷積插值法的基礎上利用三次樣條插值法的插值函數具有三階連續導數的性質而得來的。
  7. In chapter 2 there are four goals : the first is to investigate some geometric properties of h - caccioppoli sets, the second is to characterize the discontinuous set su and jump set ju of u bvh ( ), the third is to study pointwise behavior of u bvh ( ) and our effort is concentrated on showing approximate differentiability of u in the sense of pansu ' s, while the last and the most important is to show that dhu with u bvh ( ) as a radon measure can be split into three parts ( absolutely continuous part, jump part and cantor part, respectively ) just like the derivative of a bv function in the setting of euclidean space

    第二章有四個目標：一是討論h - caccioppoli集的若干幾何性質，二是刻畫h -有界變差函數的近似不連續點集和跳躍點集的特徵，三是研究u bv _ h （ ）的逐點行為，我們集中討論u在pansu意義下的近似可微性，最後也是最重要的目標我們證明對u bv _ h （ ） ， d _ hu作為radon測度能夠分解成絕對連續部分、跳躍部分和cantor部分之和。
  8. The result indicates that this method is feasible. the first derivative of kinematic parameters can been calculated well while the second ones can ’ t which need filter

    其中一階運動學參數求解效果較好，而二階運動學參數並不是很理想，摻雜進了高頻噪聲，需要進行濾波處理。
  9. The integral calculus formula is deduced, in which the first derivative of physical measures of system with respect to time equals the partial derivative of physical measures of control field to time plus clear flux of physical measures passing the control line within unit time

    推導出交通流系統所具有的物理量對時間的全導數的積分公式，即系統內物理量對時間的全導數等於控制域內該物理量對時間的偏導數與單位時間經過控制線的該物理量的通量之和。
  10. Bar code recognition is a matter of edge detection, which has long been done through the maximum value of the first derivative or zero crossing of the second derivative

    條碼識別是一個邊緣檢測問題。長期以來，邊緣檢測都是通過一階導數極大值或二階導數零交叉進行的。
  11. In chapter two, we put forward an iteration ( 2. 1. 1 ) in which the first derivative and the first divided difference are only calculated in each step

    1 . 1 ）與另兩個也僅含一階導數和一階差商的演算法及兩步newton迭代的收斂階
  12. Determination of sparfloxacin in tablets by the first derivative spectrophotometry

    一階導數分光光度法測定片劑中司帕沙星
  13. This paper studies the corner layer behavior in quasi linear systems with turning points. under the appropriate conditions and by usin g the theory of differential inequality, the existence of the solution and its c omponentwise uniformly valid asymptotic estimation are obtained when the reduced solution does not have a continuous first - derivative in some point of ( 0, 1 )

    奇攝動轉向點問題是來自量子力學及其他物理力學中的重要問題，特別對非線性系統的轉向點問題，已有的結果甚少，文章研究一類具有轉向點的擬線性系統的角層現象，在適當的假設條件下，利用微分不等式方法證明了當其退化解在（ 0 ， 1 ）內某些點上一階導數不連續時解的存在性，並得到了解的按分量的一致有效的漸近估計。
  14. Combining principal factors scores, a * and first derivative of 555nm reflectance, we discussed modem sediment environment in shelf of the yellow sea and east china sea

    結合主因子得分、 a ~ *和re555nm一階導數的分佈，討論了黃海、東海陸架的現代沉積環境（氧化還原環境） 。
  15. In this dissertation, we study some stability properties for two impulsive differential systems employing lyapunov ' s second method : one system is impulsive hybrid differential system : the other is differertial system with impulses at variable time : herein these stability results do not require a lyapunov function to have a negative definite first derivative along trajectories of the system, further we may not require its derivative to restrict the function increasing growth ; and we do not give conditions on continuous portion or discrete portion of the systems respective ! } ", hence we can give mixing conditions on them

    在這篇碩士學位論文中，我們主要藉助lyapunov第二方法的思想，討論了兩類脈沖微分系統：脈沖混合微分系統和具有依賴于狀態脈沖的微分系統的穩定性問題。不同於以往的研究，本文所找的lyapunov函數沿系統軌線的一階導數不再局限於常負或定負，甚至不用其導數來限制其增長速度；不再局限於對離散或連續部分分別設置條件，而是對其離散和連續部分設置混合條件。
  16. It is reported in this paper that by using the absorption spectrum of the interfering component as the denominator factor, the first derivative ratio spectra of the component mixture can be obtained, and the inter ference of one of the components can thus be eliminated

    利用混合物的波譜除以干擾組分的波譜得比值波譜，對波長求導得比值導數波譜，由此可消除干擾組分的吸光度疊加效應。
  17. Three principal factors had been produced using the first derivative of the sediment reflectance as variables by factors analysis method, which indicate three kinds material source that are finer grain terrigenous sediment ( fine sand and silt ), terrigenous carbonate and biologic carbonate respectively. the trends of traveling and enriching that material sources had given

    以反射率一階導數為變量，利用因子分析方法得到3個主因子，分別代表了研究區三種物質來源，即細粒的陸源物質（細砂及粉砂粒級） 、陸源的碳酸鹽物質和生物碳酸鹽物質，同時給出了三種物質來源的運移和富集趨勢。
  18. When a smoothing function ' s first derivative is adopted as wavelet function, the local maxima of wavelet transform modulus detect the location of signal ' s singularities, in this thesis, these characters are not only applied to measure the magnitude of dead angles of the dissymmetry inrush but also the symmetry inrush in three - phase transformer

    當小波函數取光滑函數的一階導數時，信號小波變換的模在信號突變點將取得局部極大值。本文利用這些性質不僅對三相變壓器的非對稱性涌流間斷角的大小進行測量，同時還測量了對稱性涌流的間斷角，測量精度有一定的改善。
  19. Th ere are three approaches to deal with this problem, which are introduced and compared in this thesis : one is to throw off the absent observations ; second is to replace the absent observations with the average of other observations ; and third can be called first derivative approach

    即觀測值缺失問題，文章介紹並比較了三種處理這一問題的方法，分別是：去掉丟失觀測值法、平均值替代法（零階法）和一階法。
  20. Contrasted with rhizoma dioscoreae raman spectra, in 600 to 800, 1000to 1400regions, changes in rhizoma dioscoreae raman first derivative spectra, are represented more clearly than rhizoma dioscoreae raman spectra. so rhizoma dioscoreae raman first derivative spectra can be a accurate analysis method, supplied to rhizoma dioscoreae raman spectra

    中文是：對比山藥拉曼光譜，在600到800 ， 1000到1400區域內，山藥拉曼一階導數譜的變化更為明顯，可以更為清晰的表現山藥拉曼光譜，能作為山藥拉曼光譜更精確分析的補充方法。
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