导数

An adaptive algorithm is also incorporated to remove the requirement for a priori knowledge about the upper bound of the derivative of observed signal.

而其中适应性控制法则是用来消除"需要知道信号其导数上界"的这一项前题。

D resistivity inversion of a vertical line source of current and a method of constructing Jacobian matrix are introduced in this paper.

本文叙述了相应的反演理论和偏导数计算方法。

In addition, the properties and the characteristic theorems of this kind of integral are discussed by means of studying abstract functions in Banach space.

又在此导数基意义下定义了平面上模糊数值函数的Henstock积分，并利用Banach空间上的抽象函数对其进行了刻划。

Let μ be a smooth measure with a quasi regular Dirichlet form, A μ be its non negative additive functional,and U α A μ be the α Potential operator of A μ.

设μ是拟正则狄氏型的光滑测度，Aμ是其对应的非负连续可加泛函，UαAμ是Aμ的α位势算子，本文证明了测度μUαAμ关于μ的绝对连续性，并以R－N导数dμUαAμdμ刻划了μ具有有限能量积分的条件。

The sensitivity gradient can be calculated in a very cheap way through an adjoint system,which makes it a huge advantage in reducing cost.

基于控制理论的气动设计方法作为一种基于梯度的优化方法，通过引入伴随系统计算目标函数的敏感性导数，大大降低设计成本。

Aerodynamic force,moments,and longitudinal stability derivatives are estimated by three-dimensional low-order panel method.

涉及的气动力、力距和纵向稳定导数等则由三维低阶板块法计算获得。

We applied ATR Fourier Transform Infrared spectra and second derivative spectra to analyze the alcoholicity and content of sugar of red wines produced by different manufacturers for the first time.

首次采用衰减全反射傅里叶变换红外光谱法并结合二级导数谱对市售的若干种不同厂家葡萄酒的酒精含量和糖含量进行了快速无损分析。

Put the discrete algebraic equations of initial derivative conditions and algebraic equation system of governing differential equation together to form a new algebraic system.

采用重心Lagrange插值近似未知函数，推导了未知函数各阶导数微分矩阵的显式表达式，建立了求解二阶常微分方程初值问题的重心Lagrange插值配点法。

A ratio spectra derivative spectrophotometry for simultaneous determination of quaternary mixture of aminopyrine, phenobarbital, caffeine and phenacetin was studied.

提出了可应用于四元混合体系同时测定的比光谱-导数分光光度法，阐述了该方法的基本原理，并将其应用于氨基比林、苯巴比妥、咖啡因和非那西丁四元混合体系中各组分的同时测定。

Three analysis methods were used in this study to analyze the content of amygdalin , and the effective components in bitter apricot kernel, namely, HPLC method, UV-Spectrophotometric method and Second-derivative spectra method.

苦杏仁的有效成分苦杏仁苷经提取、处理后，用HPLC法、紫外分光光度法、二阶导数光谱法测定其含量。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。