查询词典 derivative

Heart rate, systolic pressure, the first derivative of left ventricular pressure, coronary flow, and PR and QRS intervals were measured in isolated constant-pressure perfused, nonrecirculating Langendorff heart preparations.

心率、收缩压、+dP/dtmax 、冠脉血流及 PR 、 QRS 间期被测量于离体恒压灌流、非再循环豚鼠心脏标本。

The partial derivative of a multivariate normal integration, a extension case of Leibnitz's Rule, is derived in this study and used to derive the SCOs sensitivities.

一个多维度常态积分的偏微分关系，可以被视为莱布尼兹法则(Leibnitz's Rule)的推广，也在本研究里推导而得，并且被用来推导序列复合选择权的敏感度分析。

The path density of relative movement is derivative of path arc length s to lapping tool radius R i.e.

相对运动轨迹密度就是相对运动轨迹弧长 s 对磨具半径 R 的导数，即 ds/dR 。

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The original nonlinear system dynamics can be transformed into an equivalent system by means of the concept of Lie derivative.

运用李氏微分来转换此非线性系统的动态方程式到所对应的等效系统。

Decoupling control ; relative degree ; Lie derivative ; decoupling matrix ; neural network

解耦控制；相对阶；李导数；解耦矩阵；神经网络

The proposed control strategy is discussed detailedly based on the Lie derivative method. The geometry associated with the sliding mode control is easy to understand and could be particularly exploited in circuits which are designed to exhibit a time scale separation property.

文中采用李导数分别给出了二阶和三阶滑模变结构控制器详细的分析和设计，与传统的分析和设计方法相比，该方法使整个过程更加简明、更具系统性。

Look, Ang Lee's zipper pull is not on the soup only openly helped Lie derivative linked together, would the well-behaved, and tenderness, Li Zhongyi guide can not do?

瞧瞧，李安的的拉链拉不上，汤唯大大方方地帮李导拉上，那份乖巧和温情，李导能不中意吗？

Considering the vehicular SG cruise integrating model under braking condition influenced by some factors of nonlinearity, time-delay and the disturbance, a new nonlinear SMITH predictor is designed to compensate the time delays of control variable in advance. Furthermore, with the resort of pure delay operator, extension of the Lie derivative and the Lie bracket, some issues of SISO nonlinear system with time delays in state variable are resolved, which cover the input-output linearization, invertability of coordinate transformation and the disturbance decoupling problem.the staged transformation and design technique, the vehicle deceleration tracking control and the SG cruise disturbance decoupling control under braking condition are carried out effectively using proposed control method.

在建立制动工况下车辆走-停巡航系统集成模型基础上，针对其非线性、时滞特性以及目标车减速度干扰的影响，提出一种改进的非线性SMITH预估补偿方法，以消除控制变量时滞，并结合时滞算子、扩展李导数和扩展李括号方法，研究并解决了SISO状态变量时滞非线性系统的输入输出线性化、坐标变换的可逆性以及输出干扰解耦问题，实现了SISO时滞非线性系统的综合控制。

The derivative of f with respect to x, which is the slope of the linear approximation to f.

f对x的微分，是对於函数f的线性近似。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。