This paper first briefly introduced the structure and basic operation principle of the new electro - magnetic doubly - salient motor . then , the nonlinear inductance modeling method is presented based on the nonlinear inductance , and dynamic mathematic model in complex plane is set up , based on which simulation is carried out with the help of the software matlab / psb ( power system block ) 本文首先简要介绍了新型电磁式双凸极电机的结构、工作原理，然后提出了电磁式双凸极电机的一种非线性电感建模方法，并利用matlab psb工具软件对电机系统进行了仿真分析。
4 . with visco - elastic boundary of soil considered , the eigenvalue equation in frequency domain of soil dynamic equilibrium equation falls into a complex transcendental equation . in course of seeking its solution , based on argument principle and contour integral , with the aid of matlab , two numerical algorithm combined with the corresponding procedures for solving transcendental equations in a complex plane is developed by the author 4 、由于考虑了土体的粘弹性支承边界条件，使得其动力平衡方程在频域内的固有值方程为一复数超越方程，为了求解该方程，笔者基于幅角原理和闭合曲线积分，结合matlab ，提出了复平面上超越方程的两种数值解法，并编制了相应的程序。
The main results : theorem 1 . 2 . 2 the function ( u ) - satisfies the integro - differential equation where , theorem 1 . 3 . 2 if * ( ) s analytic on the complex plane except for the roots of in second chapter , we consider a risk process in which inter - arrival times have a phase - type ( 2 ) distribution , a distribution with a density k ( t ) satisfying the following second order linear differential equation : the conditions are satisfied for all convolutions of two exponential distributions ( with not necessarily equal means ) 定理1 . 3 . 2若函数~ * ( )除了方程( 1 . 3 . 1 )的极点外，在整个复平面上都是解析的，则ddas 。 type风险模型是风险理论中应用比较广泛的一类风险模型dicksonandhipp （ 1998 ）研究了索赔时间间隔服从erlang间分布的情况，并于2001年aun了其罚金折现期望满k一积分微分方g
An upper bound of the closed loop performance statistic given by the index of quadratic performance is found for all admissible parameter uncertainties . the poles of the closed loop systems is described by the delta operator models in the specified stable region of the complex plane which makes the poles in the specified region when the sampling period is becoming shorter 采用线性矩阵不等式处理方法及李亚普诺夫二次稳定性理论，分析、证明了极点约束控制的存在条件，并利用lmi方法把delta算子系统的极点配置在一个稳定的区域内，解决了delta域内的极点配置问题，使得期望的极点始终在这个稳定的区域内。
The growth for the more general random taylor series fw ( z ) in the unit curcle , whose growth order is almost surely ( a . s . ) of order in any radius is proved . furthermore , tinder a better condition of coefficient , for general enough and non - equally distributed random dirichlet series f ( s , w ) , we obtain these theorems as follows : its growth order in complex plane is almost surely ( a . s . ) 对更一般的非同分布的随机变量序列及在更广泛的系数条件下，证明了单位圆内的随机taylor级数f _ ( z )沿任一半径的增长级几乎必然( a . s . )为；证明了复平面上的随机dirichlet级数沿任一水平直线的增长级几乎必然为( a . s . ) ；证明了右半平面上随机dirichlet级数f ( s , )沿任一水平半直线的增长级几乎必然( a . s . )为，并且几乎必然以= 0上的每一点为其picard点等一些定理。
The first , the achievement of dirichlet series in the right half - plane and in the complex plane for a few years are related . on the base of this , when the general exponential condition holds , and under the condition of lim = 1 , i study infinite order dirichlet series in the right half - plane and in the complex plane , and obtain the relations between the order of growth of dirichlet series and conffieients . the second , we study the factorization of entire function in the condition of composition of functions , and obtain the necessary conditions of some pseudo - prime or e - pseudo - prime functions 本文分两部分，第一部分就右半平面上的dirichlet级数和全平面上的dirichlet级数这两方面对近年来的研究成果作了简单的叙述，在此基础上，作者在一般的指数条件与( ? )情形下，对右半平面上和全平面上的无限级dirichlet级数作了系统研究，获得dirichlet级数的系数与增长性之间关系的一些新结论。第二部分研究整函数的因子分解，得到判断函数为拟素的或e ?拟素的一些必要条件。
