查询词典 piecewise linear function

To separate oscillating parts such as texture and noise from piecewise smooth parts, a new variational image decomposition model is presented.

为了将图像分解为分片光滑的结构部分和振荡部分，提出一种新的变分图像分解模型。

Third,a heterogeneous domain decomposition method is devised to solve aclass of special piecewise smooth systems.

第三，对一类特殊的分片光滑抛物系统提出一种非均匀区域分解直接算法。

Evaluation of the approach is implemented using a simulated piecewise smooth signal.

结果显示特别是在信号采样序列的长度有限时，采用本文方法可以获得比中值估计方法更准确、更可靠的白噪声方差估计。

Numerical experiments were performed to demonstrate the efficiency and efficacy of the proposed methods, for both smooth and piecewise smooth domains with exact and noisy data.

文中给出了数值算例说明了基本解方法和边界节点法求解椭圆型偏微分方程反问题的有效性，分析了基本解方法的收敛性，考察了光滑和分片光滑的几何区域以及数据精确和含有噪音两种情形。

The Zero-time discontinuity mapping is deduced in detail and the compound piecewise smooth map of corner-collision bifurcation is given.

数值结果表明该非光滑系统中存在周期运动的鞍结分岔和角点碰撞分岔现象。8。

In chapter 2 a piecewise smooth feedback laws is proposed which can stabilize the system to a single point equilibrium from any initial positions.

本论文第二章设计了一种分段反馈控制，将系统由任意初始状态稳定到单个平衡点。

The analyses show that the order of the general LMM may be reduced when the LMM is used to calculate piecewise smooth dynamics systems, and the precision of LMM is decreased.

分析表明，在计算非光滑的机械动力系统时，线性多步法类的数值积分方法出现降阶现象，计算精度会大大降低。

Firstly, this paper assumes that the surface of range image is piecewise smooth, and estimates curvature from the smooth piece of surface to which the current point belongs.

首先，提出曲面是分片光滑的假设，表面曲率需从该像素所属的光滑曲面片来估计。

An important field in vibration engineering is the dynamics of mechanical systems with piecewise smooth features, such as existing clearance, constraint, friction and hysteresis, It is possible to optimize practical system parameters by investi...

对其分岔与混沌行为的研究为工业实际中含间隙机械系统和冲击振动系统的优化设计提供了理论依据。

Horizontal Well ; Piecewise Smooth Dynamical Systems ; Impulsive Differential Systems ; Optimal Control ; Stability ; Initial Time Difference

国家自然科学；水平井；分段光滑动力系统；脉冲微分系统；最优控制；稳定性；初始时刻偏差

My father is over 60 years old, and he lifts weights every day.

我爸爸六十多岁了，他每天都练习举重。

Then in a serious tone she declared:"It doesn't pay, dear boy, to look like a ninny with one's wife the first night."

两眼湿润了，她把身子蜷得很小，这样似乎可以更好地闻闻自己。