階導數 的英文怎麼說

中文拼音 [jiēdǎoshǔ]
階導數 英文
derivative of n th order
  • 階 : 名詞1. （臺階） steps; stairs 2. （等級） rank 3. [醫學] （耳蝸的三個螺旋管的任一個） scala 4. [數學] order 5. [地質學] stage
  • 導 : 動詞1. （引導） lead; guide 2. （傳導） transmit; conduct 3. （開導） instruct; teach; give guidance to
  • 數 : 數副詞（屢次） frequently; repeatedly
  1. A general estimation of the nth derivation of the function is presented by using the principle of the inductive model and the characters of the bounded functions

    對有界正則函數族中的函數，根據最大模原理和有界函數的系數不等式，得到了n階導數的準確估計式。
  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. It is another hot point to study the surface elastic free energy of liquid crystal

    這一項的特殊之處在於：它明顯包含了指向矢的二階導數。
  5. After introducing the conventional edge detection operator and multiscale wavelet edge detection operator, we discussed the well quality of b - spline function > n - class derivative of gauss function n harmonic function and hermite function in wavelet theory and their concrete application in the image edge detection

    在對單尺度下的傳統邊緣檢測運算元和多尺度小波邊緣檢測運算元介紹的基礎上，討論了b樣條、 gauss函數的n階導數、諧波函數以及hermite函數在小波理論中所具有的良好性質，以及它們在圖像邊緣檢測中的具體應用。
  6. Presents a new method for fairing of curves which has a small flexibility based on fitting the derivative of second order of curves. we fit the derivative of second order of curves by a polynomial fitting, then find an indefinite integral of this polynomial to get a approach of curves. otherwise, we discuss the analyze of the error and the optimize of fairing to this arithmetic

    提出了一種針對小撓度曲線的逆向曲線光順演算法，該演算法直接擬合曲線型值點列的二階導數曲線，然後通過兩次積分來反求出光順后的曲線，並對該演算法的誤差分析、效果分析、光順優化等問題進行了深入探討。
  7. Meromorphic functions with derivatives sharing four small functions

    一類函數的高階導數公式
  8. Determination of micro zinc with 1 - 2 - pyridylazo - 2 - naphthol by second - derivative spectrophotometry

    二階導數分光光度法測定微量鋅
  9. In terms of their frequency responses, the best choices for medical image interpolation : the 6 6 blackman - harris windowed sinc interpolator, and the c2 - continuous cubic kernels with 6 and 8 supporting point. in terms of the quantitative error and evaluations, in practice the best choice is the cubic kernel with 6 supporting points

    根據各插值核的頻率響應特性，更好的是6 6的blackman - harris窗和二階導數連續的6 6和8 8的三次核；從實現效率和放大效果上看，實際中理想的選擇是6 6的三次核。
  10. The explaining for region gravity and magnetic data is accomplished by using result of potency field transformation through level and vertical relating with level one - difference of several height and vertical two - difference and working out construct map of region geophysics

    對區域重磁資料的解釋就是利用位場變換結果，是通過不同延拓高度的水平一階導數、垂向二階導數圖的解釋，再進行水平和垂向關聯，編制區域物探構造圖的方式實現。
  11. In view of theproperties of infrared thermal images, narrow - range zero - crossing edge detection method was applied to detect the edges of welding flaws and good results were obtained

    針對紅外熱圖象的灰度特性，提出了窄范圍二階導數過零邊緣檢測用於焊接缺陷的邊緣提取，獲得了較好的效果。
  12. The function (f')is usually written simply f" and is called the second derivative.

    函數（f』）通常簡寫成f」，並稱之為f的二階導數。
  13. Study on method of determination of the content of sesame oil by second derivative ultraviolet spectrophotometry

    用二階導數紫外分光光度法直接測定芝麻油含量
  14. Higher derivatives and taylor series

    高階導數和泰勒級數。
  15. Higher order derivative

    高階導數
  16. At first, this thesis gives right calculation results of derivative of daubechies scaling function, the determine fashion of continuity is rendered

    本論文首先推導了daubechies尺度函數導數或高階導數的正確計算結果，給出了它的連續性的判定方式。
  17. First, we apply the method of galerkin and the fixed theorem of the larey - schauder to prove the existence of the approximate solution. next, we give the priori estimates of the higher order derivatives ( with respect to spa - tial variable and time variable ) of the approximate solution

    首先應用galerkin方法和larey一schaude :不動點定理證明近似解的存在性，然後進行近似解的高階導數的先驗估計（關于空間變量和時間變量） 。
  18. 4. the algorithm solving an optimal control problem governed by a semilinear parabolic equation with the control in the coefficients and source term is studied. the strong variational method which presented by mayne to solve the optimal control of lump parameter system is developed to semilinear parabolic optimal control problem

    4 、把由mayne等所提出的用於求解集中參數系統最優控制的強變分法，推廣應用於一類控制變量含于高階導數項系數與源項中半線性拋物型系統最優控制之中。
  19. As the cam profile with constant - velocity - constant - acceleration ramp feature and with continuous higher derivative lift feature is widely adopted in the advanced high - speed internal combustion engines, the cam ramp profile is fitted with a reasonable function and the cam - lift profile is fitted with a polynomial function

    考慮到高速內燃機的凸輪大多採用具有等加速-等速特徵的緩沖段和高階導數連續特徵的工作段型式，用等加速-等速函數擬合緩沖段實測升程數據，用整體式高次多項式函數擬合工作段實測升程數據。
  20. Existence of multiple monotone positive solutions for higher order boundary value problems that contain all order derivatives

    含有各階導數的高階微分方程邊值問題三個單調正解的存在性
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