导数

最高阶导数线性地出现的那种方程是准线性方程。

A Quasilinear equation is one in which the highest-order derivative appears linearly .

一类k步2k+1阶刚性稳定的二阶导数方法

A class of stiffly stable k-step second derivative methods of order 2k + 1

基于B样条导数小波变换的TA饱和实时监测

On-line monitoring of TA saturation based on B-splines derivative wavelets transformation

定义了n重导数，n元绝对连续函数，广义n重原函数及牛顿n重积分。

It defines n-ple derivative , n-ary absolutely continuous function , generalized n-ple primitive function and Newton n-ple integral .

基于MATLAB的非导数优化仿真

Non-derivative Optimization Simulating Based on MATLAB

关于谱及平稳随机过程的n阶导数通过线性动力学系统输出的自相关函数的谱表示

Spectrum and Spectrum Indication of Output Correlation Function of the n-th Derivative of Stationary Stochastic Processes Passing Through Linear Dynamics System

有关Lie导数的讨论

A Discussion about Lie Derivative

采用一阶导数紫外吸光光度法在pH≤7时直接同时测定苯酚和对苯二酚。

Phenol and hydroquinone are directly determined at an acidity of pH ≤ 7 by the first derivative UV spectrophotometry .

方法：采用一阶导数紫外光谱法，并与高效液相色谱法（HPLC）进行了比较。

METHODS : The method of first derivative UV spectrum was established and compared with HPLC assay .

算法在二阶导数初始计算时，运用Lagrange多项式进行曲线拟合。

Lagrange Polynomial-Fitting technique is used to calculate the second derivative .

求奇次导数时不产生尼奎斯特误差等优点，且计算速度较FFT快约一倍。

Without Nyquist error in solving for odd derivative .

零交点一阶导数同步荧光法测定苯并（a）芘和苯并（k）荧蒽

Simultaneous Determination of Benzo ( a ) Pyrene and Benzo ( k ) Fluoranthene by First Order Derivative Synchronous Fluorescence & Zero Crossing Method

用方向导数分析JC法的误差

Analyzing the error of JC method by means of directional derivative

结果表明，样品只需经1次扫描，即可利用导数恒能量同步荧光光谱对上述多环芳烃（PAHs）进行同时分析和定量测定；

Only a single scan is needed for the simultaneous identification and quantitative determination of above-mentioned PAHs .

导数分光光度法研究V.零点法测量导数值的理论及应用

Studies on Derivative Spectrophotometry ⅴ . The Theory of Zero Crossing Method and Its Application

关于数值求解常微分方程的二阶导数方法的最高可达阶及其Stiff稳定性

On the Attainable Highest Order and Stiffly Stability of Second Derivative Methods for Numerical Solution of Ordinary Differential Equations

D算法用正则化的Shannonδ函数的一阶导数检测边缘。

D algorithm uses the first order derivative of regularized Shannon δ function for edge detection .

为了研究喜树碱的药理性质，用比导数荧光光谱和紫外吸收光谱法分析了喜树碱在不同pH介质中的形态分布。

The distribution of camptothecin and its ring opened form was studied by first derivative ratio spectrum of UV vis absorption and fluorescence spectrometry in different pH aqueous buffer solutions .

Schwarz导数的有关基本定理&（Ⅱ）

The fundamental theorems relative to Schwarz derivative & (ⅱ)

再次，重点提出了用Cauchy函数作为目标函数，同时在转移函数中引入陡度因子，对转移函数的导数进行提升，并在修正权值时各层采用不同尺度的联合优化算法。

The author proposes a joint-optimized algorithm based on Cauchy error estimator , shape factor is adopted in Sigmoid function .

λ&阶导数与波动方程的Cauchy问题（0<λ<1）

Derivative of λ & th order and Cauchy 's Problem for Wave Equation ( 0 < λ < 1 )

关于HurwitzZeta&函数导数的均值公式

On the mean value formula of the derivative of Hurwitz zeta-function

基于李导数对单UAV运动学方程进行精确线性化，采用图模型描述编队内UAV平台间的通信拓扑。

Then , the UAV kinematics equation is linearized based on the Lie derivative , and the communication topology is described by graph model .

研究推广的Bernstein多项式Cn（f，Sn；x）对函数及其导数的同时逼近；

In this paper the simultaneous approximation of generalized Bernstein polynomial C_n ( f , S_n ; x ) for functions and the derivatives is studied .

Kantorovich算子的二阶导数逼近

On the Approximation of Second Derivatves by Kantorovich Operators

实变函数Lebesgue可积的判别准则多以测度、导数方法给出。

The criteria for Lebesgue integrability have always been given by methods of measure and derivative .

利用二阶导数给出了用Lagrange乘数法求出的解是条件极值问题的极小值解的一个充分条件。

A sufficient condition of second order is given for that solutions given by the Lagrange multiplier method are minimal solutions of the conditional extremum problem .

分别讨论了最佳波长范围以及NIR原始光谱、NIR一阶导数光谱、NIR二阶导数光谱对测定结果的影响。

The effect of the wavelength range , conventional spectra , first-derivative spectra and second-derivative spectra on the results were discussed , respectively .

针对不确定时变参数以及其导数属于凸有界（多面体型不确定）区域的时变仿射广义系统，提出了一种研究时变仿射广义系统鲁棒H∞性能的新方法。

To aimed at the uncertain time-variant parameters and their derivative belonging to the convex bounded domains ( polytope-type uncertainty ), A new approach to investigate robust H_ ∞ performance of time-variant affine descriptor systems is presented .

Carleson测度与BMO函数的导数

Carleson measure and the derivations of functions in BMO