离散的

The thesis adduces a discrete adaptive sliding mode algorithm for nonlinear discrete uncertain systems, and use adaptive laws to estimate uncertainty of the algorithm. So it largely reduces the priori information of the systems and become a simple easy method.

本文针对非线性离散不确定系统的变结构控制，提出了一种离散自适应滑模控制方法，利用自适应率对算法的不确定部分进行了估计，从而减少了先验知识，设计简单，容易实现。

Discrete sliding mode theory has been applied to electrostatic levitation system in which general discrete state space expressions with parameter variation have been set up based on gyro rotor electrostatic force equation and other annuluses including high-voltage amplifier, position sensor and time delay.

本文将离散滑模控制理论应用于静电陀螺悬浮系统，根据陀螺转子静电力方程以及各环节特性(包括高压放大器、测量环节和数字控制器的滞后环节)，建立考虑系统参数变化的广义被控对象离散状态空间表达式。

Methods QTd in62patients with AMI were studied with12-lead electrocardiography within24hours after onset of AMI,and50patients with coronary heart disease been controlled.Diˉviding these AMI patients into ventricular arrhythmia and noninducible ventricular arrhythmia,the changes of QTd in2subgroups were observed.

观察了62例AMI患者发病24h内的QT间期离散度，并对比观察AMI患者1周内发生或未发生室性心律失常的QT间期离散度。

An asynchronous coupling method is proposed to reduce the walkoff effect, and the results show that asynchronously coupling of the bright pulse with the dark soliton can efficiently improve the bright pulse compression relative to the synchronous coupling method.

还发现，若采取本文提出的非同步耦合法，则可以明显地弥补离散效应对脉冲压缩的影响，从而有效地改善脉冲压缩效果。标签脉冲离散交叉相位调制脉冲压缩非同步耦合 pulse walkoff cross phase modulation pulse compression asynchronous coupling

Discrete breathers, which are spatial localized and time periodic, are very common nonlinear excited modes in discrete nonlinear systems.

北京师范大学，凝聚态物理，2009年，博士离散呼吸子是广泛存在于离散非线性系统中的空间局域、时间周期的非线性激发模式。

Chapter 4, Analyse the visualization in isoline and contour of discrete element method.

第五章主要是在前两章研究的基础上，开发了离散元计算软件前后处理系统，提高了离散元的可视化和应用水平。

The granular discrete element method can be applied to the partials, whose shape can be approximately described as a sphere.

离散元法是分析散体力学行为的数值方法，颗粒离散元法适用于单个几何形状可用圆球近似而不产生显著差异的情况。

The process of radiative heat transfer in a three dimension rectangular furnace is simulated using discrete ordinates method.

本文首先对辐射传递方程的坐标进行离散，最后对三维矩形炉膛内辐射传递过程进行数值模拟，并与区域法进行比较，从而验证了离散坐标法的求解精度。

By detailed comparion, it is shown that false scattering and ray effect exact not only in discrete ordinates method, but also in zone method,discrete transfer method,etc,and the influence of false scattering and ray effect on solution accuracy of radiative transfer eqution

离散坐标法由于可以很方便地处理入射散射项，因此离散坐标法在计算有散射的辐射问题方面要优于现有的其它方法，且易与流动方程联立求解。

Nozzle flow was assumed to be frozen, and convective and radiative heat transfer from gas to solid wall was considered. Discretization of the governing equations was performed with two order upstream scheme, and radiative heat transfer equation was solved with Discrete Ordinates method. Absorption coefficient of water vapor was calculated by Leckner formula.

计算中，假定塞式喷管中的流动为冻结流动，考虑燃气向壁面的对流换热和辐射换热；采用二阶迎风格式离散控制方程，及DO模型离散求解辐射换热方程，水蒸气的吸收系数根据Leckner公式计算。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。