类函数

Under appropriate conditions the existence and the continuous dependence of its homoclinic orbits and periodic orbits on the perturbing small function are obtained.

在一定条件下，得到了同宿轨与周期轨的存在性，即这一类系统在这类小参数函数扰动下是结构不变的。

The main results are as follows:(1) In Chapter 2, the proof of the main theorem on quadratically related m-geometric sequences in [5] is simplified and consummated; A family of GMW-geometric sequences derived from GMW sequences are constructed, and their correlation functions and linear complexities are given.

本文也正是从扩频码序列的相关性能和安全性的角度来构造和研究了几类扩频码序列集合，得到以下的结论：（1）第二章首先简化并且完善了文献[5]中关于二次相关m-几何序列的主要定理；其次，在GMW序列的基础上构造了GMW-几何序列，计算了GMW-几何序列的相关函数；最后给出了GMW-几何序列的线性复杂度。

The modified D-S combines the advantage of the two arithmetics—G-S and D-S, it defines the function of belief renewably by using the information of the prophetic probability distributing to define the subject and the correlation degree's realization of the fuzzy aggregate.

修正的D-S方法则结合了前两类算法的优点，利用包含在先验概率分布中的信息，通过定义模糊集合的&包含度&和&相关度&实现，并将置信函数重新定义。

When the nonlinear function is superlinear case or sublinear case, we have the result that the positive solutions of the two boundary-value problems have a continuum, which means an nonempty, closed and connected subset.

针对非线性函数为超线性和次线性两种情形，得到了两类边值问题正解集中存在一个闭联集-非空的、连通的闭子集。

You can grant access to the group ofproperties and methods by passing the namespace toother classes, methods or functions.

你可以通过在类、方法、和函数中use namespace来将访问权赋予一组属性和方法。

Based on two kinds of control strategies of VSR under unbalanced grid condition,the introduction of a new VSR control strategy featuring undamped -oscillation that simplifies the controller structure and effectively improves VSR"s performance under unbalanced grid condition.· A systematic description of the state switching in trilogic PWM signal generation of three-phase CSR by using the conversion between bilogic and trilogic switching functions.· Referenced to the CSR"s trilogic PWM signal generation, an approach to achieve low-stress natural commutation of switching devices by reshuffling the vector composition sequence, resulting reduced switching loss.

在研究了两类电网不平衡时的VSR控制策略基础上，提出了一种新型的基于无阻尼振荡控制器的VSR不平衡控制策略，在简化控制结构的同时，有效地改善了电网不平衡时的VSR控制性能；·通过二、三值逻辑开关函数间的转换，系统地描述了三相CSR三值逻辑PWM信号发生中的状态切换；·结合三相CSR三值逻辑PWM信号发生规律，提出了通过调整矢量合成顺序而使功率管获得自然换相的低电压应力SVPWM控制，从而有效地降低了功率管的开关损耗。

Referenced to the CSR's trilogic PWM signal generation, an approach to achieve lowstress natural commutation of switching devices by reshuffling the vector composition sequence, resulting reduced switching loss. With the background of and well instanced by the Xinjiang Autonomous Region's Key SciTech Project"Solar Photovoltaic grid-connected inverter", the dissertation work implemented the new approach of a grid-connected PV inverter that was of single-phase VSR topology and with MPPT .

在研究了两类电网不平衡时的VSR控制策略基础上，提出了一种新型的基于无阻尼振荡控制器的VSR不平衡控制策略，在简化控制结构的同时，有效地改善了电网不平衡时的VSR控制性能；通过二、三值逻辑开关函数间的转换，系统地描述了三相CSR三值逻辑PWM信号发生中的状态切换；结合三相CSR三值逻辑PWM信号发生规律，提出了通过调整矢量合成顺序而使功率管获得自然换相的低电压应力SVPWM控制，从而有效地降低了功率管的开关损耗。

In former module multithread unlogged serial communication is realized with the user-defined serial port class called Win32 API functions. In the later module the ADO technology is adopted to manage the ACCESS databases, which stored recipes, production report, error recording etc..

其中采用了Win32 API 函数自定义类，实现了多线程无堵塞的串行监控，应用ADO技术实现了配方、生产报表、故障记录等ACCESS 数据库的管理，并在系统中实现了串行通信技术和ADO 技术的有机结合。4。

In more detail, the article adduces credit card analysis and credit management system .In credit card analysis, use K means algorithm,one of the method in clustering algorithm, to find the minimal partition of DSS.

在信用卡信用评分系统中，运用基于划分的聚类方法K means算法，试图找出使DSS函数值最小的划分，该算法的准则函数与信用评分评级的&均方差&准则相吻合。

A new method is described for determining the microwave dielectric properties of solid materials,for example agricultural products,mineral,of known densities from the dielectric properties of pulverized samples measured by employing the short circuited waveguide principle at a few different bulk densities.

本文介绍一个测定不能进行机械加工的&坚实材料&的微波介电特性的新方法。将这类材料研碎，成为&空气－粒子&混合物。应用短路波导方法，在几个不同的混合物&松密度&上测量其介电特性。当已知待测材料的&坚实密度&时，利用这些测量的特性与混合物&松密度&的线性函数关系进行&外推&，从而获得&坚实密度&下的农产品的微波介电特

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。