查询词典 piecewise differentiable function

The piecewise sinusoidal basis functions and Garlerkin's method are used in this paper.

文中采用的是分段正弦基、伽略金法。

The piecewise linear current density recursive convolution in finite-difference time-domain method is used to study the characteristics of one-dimensional unmagnetized plasma photonic crystals with a defect layer.

采用时域有限差分法中的分段线性电流密度卷积算法，研究具有单一缺陷层的一维非磁化等离子体光子晶体的缺陷模特性。

PLIC3D algorithm, a 3-dimensional VOF method with piecewise linear interface construction and split and unsplit propagation, is specially devised for better solution to free surfaces. Particularly split PLIC3D is applied in numerically modeling draining from bottom of a cylindrical vessel and water-exit of a revolution body, from which evolutions of free surfaces are mainly illustrated.

重点在直角坐标系中推导了用斜面构造自由界面，使用分裂和不分裂推进的三维VOF方法：PLIC3D，以改善自由面求解精度；并用分裂的PLIC3D算法模拟了三维的柱形容器泄漏和旋成体出水问题，结果主要显示了它们的液面运动变化。

In this paper, a new method called"piecewise cubic spline"for generating conjugating gear profiles is proposed. The relative formulas are derived and involutes'gear is analyzed by the use of this method.

首先，本文提出了&分段三次样条曲线法&产生共轭齿形的新方法，介绍了相应的公式，并以渐开线为对象作了算例验证。

Geometrical and physical parameters of components of the absorber in the virtual prototype follow from those technical data of a specific passenger car. Bench tests are conducted and a series of experimental results have been obtained by the MTS absorber test machine for the damping force-velocity which can be imposed in the virtual prototype for dynamic simulation. The piecewise, the hysteretic looped and the abnormal looped hysteretic force-velocity curves for the absorbers are, respectively, input into the prototype.

减振器阻尼力—速度特性是根据MTS减振器特性试验机试验结果，通过分段拟合，分别以分段线性、迟滞环和迟滞环畸变情况输入虚拟样机进行仿真分析，试验及仿真结果比较说明：减振器速度外特性采用迟滞环非线性，比采用双线性化模型更接近试验结果，能够更合理地解释试验现象；减振器阻尼力速度特性曲线出现畸变，如在复原行程初期迟滞特性曲线出现交叉现象，可以引发减振器系统动力特性的高频振动成分增加。

Planar piecewise isometric systems have been investigated for many years in the?elds of physics, engineering and mathematics.

平面分片等距系统在物理学、工程和数学等领域已被研究了很多年。

For the structure that the side-frusta is also used as retain wall,considering the side frusta fastened on the weir body,the plane stress is calculated at first. Then the moments,horizontal shear force and vertical force on the bottom of the retain wall are applied as fixate,and stress distribution on the weir body are calculated piecewise.

对于边墩兼作挡上墙结构，通常是将边墩视为固端于岩体上，先进行下端为固端的挡墙平面受力计算，再将挡墙下部的弯矩、水平剪力和垂直力作为集中外荷载进行堰体的应力计算，堰体也只能分段进行片面受力计算。

In the fourth part, the experiment equipment is established, images are captured through CMOS, and the result of experiment is analyzed and the calibration curve is drawn, due to the non-linear characteristic of the used light-sensitive transducers calibration, the method of using piecewise linear line to approximate CMOS calibration curve is proposed, which decreased the measurement errors greatly, analyzed the measurement errors and proposed the methods of minishing errors.

第四部分搭建了实验装置，通过CMOS采集了大量的图像，分析了实验结果，做出了标定曲线，鉴于标定曲线的非线性特征，采用逐段折线逼近该标定曲线的方法，大大减小了误差，并进行了误差分析和提出了减小误差的方法。

In the fourth part, the experiment equipment is established, images are captured through CMOS, and the result of experiment is analyzed and the calibration curve is drawn, due to the non-linear characteristic of the used light-sensitive transducer's calibration, the method of using piecewise linear line to approximate CMOS calibration curve is proposed, which decreased the measurement errors greatly, analyzed the measurement errors and proposed the methods of minishing errors.

第四部分搭建了实验装置，通过CMOS采集了大量的图像，分析了实验结果，做出了标定曲线，鉴于标定曲线的非线性特征，采用逐段折线逼近该标定曲线的方法，大大减小了误差，并进行了误差分析和提出了减小误差的方法。

In order to solve the problem between phase noise and tuning range, a piecewise linear VCO is designed based on the structure of combination of switching-capacitance and MOS varactor.

基于开关电容和MOS可变电容相结合的电路结构，设计了一种分段线性压控振荡器，很好地解决了相位噪声与调谐范围之间的矛盾。

The role of the environment is very important.

的作用，环境是非常重要的。

At that time, the High Court of England and Wales Court of Queen's Bench president of William Murray, Lord Mansfield in June 22, 1772 ruling:"No matter then there is the inconvenience, but there must be a decision, I can not say that this case under the law in England are permitted or authorized; are so black should be released."

当时的英格兰及威尔士高等法院王座法庭院长William Murray， Lord Mansfield于1772年6月22日宣判：「无论有那麽不便，但总要有个决定，我不能说这件案在英格兰法律之下是准许或认可；所以黑人是应该被释放。