数值微分

Therefore, it's necessary to solve the gradients of the limit state function by numerical methods.

因此，对于隐式的或复杂的显式功能函数，必须采用数值微分方法来求解功能函数的梯度。

This program is the numerical differential line drawing algorithm.

本程序实现的是数值微分画线算法。

A global gravity field recovery based on energy balance approach using CHAMP kinematic orbits is presented. A method combining the Newton's numerical differential formula and the remove_restore procedure for determining kinematic velocities is developed.

介绍了利用CHAMP几何法轨道恢复地球重力场模型的基本原理和算法，提出了基于牛顿数值微分公式并辅助移去-恢复方法计算卫星速度的算法。

After solving the bubble radius change rule, the velocity of the bubble growth and the collapse process is gained using numerical differential coefficient method.

求解出空化泡半径变化规律之后，本文应用数值微分的方法，求出不同初始半径空化泡壁的膨胀和崩溃速度。

Numerical differentiation is applied to estimate the structural parameters of measurement systems.

采用数值微分方法直接对测试系统的结构参数进行估计，可以直接得到测试系统的结构参数，具有简单明了的特点。

The simulation results show that the model based on numerical differentiation is suitable for angle tracking, and filtering-predicting has preferable robustness.

仿真结果表明，基于数值微分的模型适用于角度跟踪，滤波预测具有较好的鲁棒性。

As a method based on the Lagrange interpolation, numerical differentiation also has the difference between "global" and "local".

这样，就得到了一个包含计算公式和余项表达的完整的局部Lagrange数值微分公式。

This article introduced the C # language used to generate a straight line of three commonly used method: numerical differentiation, in line and stipple Bresenham algorithm, and then introduced the mid-point algorithm Circle, the polygon algorithm.

本文主要介绍了用C＃语言生成直线的三个常用算法：数值微分法、中点画线法和Bresenham算法，然后介绍中点画圆算法、多边形的生成算法。

Inverse digital filter ; numerical differentiation ; frequency characteristic

反数字滤波器；数值微分；频率特性

The target motion state filtering model and combined filtering-predicting model are constructed based on numerical differentiation, using s-function to implement Kalman filter algorithm.

建立了基于数值微分的目标运动状态滤波预测模型，用s-函数实现了卡尔曼滤波预测算法。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。