叠函数

In this paper, the asymptotic estimations of initial value solution are obtained for an eigenvalue problem with three-point boundary conditions by use of the iterate method.

本文运用叠代法，先得到一个带三点边条件特征值问题初值解，并构造了一个整函数ω，其零点集合与带三点边条件特征值问题的特征值集合重合。

Their design is actually an optimization problem of positive Boolean function.

层叠滤波器设计的核心实际上是一个正布尔函数的优化问题，在MAE准则下，提出了一种基于克隆选择算法的层叠滤波器的优化方法。

The op timal design of stack filters is actually an op timization of a positive Boolean function.

层叠滤波器优化设计的核心是正布尔函数最优化的问题。

Demo of Shell32 Com DLL as Alternative t - Shell32.dll supports a lot of functionality (showing the browse for folder dialog, tiling and cascading windows, running system properties, and more) that otherwise would involve API functions of varying complexity.

FunctionsShell32.dll 支持许多功能性(显示浏览文件夹对话框，平铺和层叠窗口，运行系统属性及更多)，其它的包括各种复杂的API函数。

With the assumption of contact force distribution between beams composing a simply supported laminated beam,a contact force function is deduced by applying deformation compatibility condition,and its validity is discussed.

针对简支叠梁的受力特点，建立简支叠梁的简化分析模型，对简支叠梁之间的接触力分布提出假设，运用变形协调条件推导出接触力函数，并对接触力函数的有效性进行了讨论。

We develop and apply the Hirota bilinear-θfunction method,Jacobi elliptic function expansion method,linear superposition method and F-expansion method respectively to solve many 2+1 dimensional nonlinear wave models including 2+1 dimensional 2DsG equation,the coupled ZK equation,2+1 dimensional KdV equation,2+1 dimensional long wave short wave resonance interaction equation and 2+1 dimensional dispersive long wave equation,abundant Jacobi elliptic function doubly periodic solutions are derived.These solutions show various periodic wave shapes and special periodic characters.

发展和应用Hirota双线性-θ函数方法，雅克比椭圆函数展开法，线性叠加法，F-函数展开法等分别求解2+1维2DsG方程，耦合ZK方程，2+1维KdV方程，2+1维长波短波共振相互作用方程，2+1维色散长波方程，获得丰富的雅克比椭圆函数双周期波解，描述了一些周期波形态及周期特性。

Based on the definition of Boolean function on set and positive extension, The sufficient and necessary condition of PBF is proven. At last, an algorithm of generating MSP expression of stack filter positive Boolean function is presented taking advantage of Hasse diagram.

通过定义布尔函数开、闭集和最小项正、负扩展，证明了布尔函数具有层叠性的充要条件是布尔函数开集的正扩展或闭集的负扩展具有不变性，在此基础上，提出了一种通过Hasse图确定层叠滤波器最简正布尔函数的算法。

Based on the definition of Boolean function on set and positive extension, The sufficient and necessary condition of PBF is proven. At last,an algorithm of generating MSP expression of stack filter positive Boolean function ispresented taking advantage of Hasse diagram.

通过定义布尔函数开、闭集和最小项正、负扩展，证明了布尔函数具有层叠性的充要条件是布尔函数开集的正扩展或闭集的负扩展具有不变性，在此基础上，提出了一种通过Hasse图确定层叠滤波器最简正布尔函数的算法。

In practice, flat shell element can be constructed by the simple combination of new plate bending element with plane elasticity element.

在实践上可以将新板弯曲单元与已有的平面弹性单元简单叠合来构造平板壳单元；在理论上则概括为平行列式的概念，即平板壳单元的膜、板两部分在相互平行的位移函数空间和弯矩函数空间上分别列式。

This dissertation mainly includes the following four aspects:(1) Design of oversampled near perfect reconstruction DFT modulated filter banks. Firstly,the property of transfer function and aliasing transfer function are analyzed.

首先，分析了传递函数和混叠传递函数的性质，给出了因果FIR DFT调制滤波器组的系统延迟与线性相位分析和综合原型滤波器阶数的关系。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。