| 1. | An equivalent system of rrr - rrr grade bar - group and its dynamic model 级杆组的等效系统动力学建模 |
| 2. | An equivalent system of r0 algebra 0代数的一种等价形式 |
| 3. | Deformation , failure and its stability of engineering rock mass under this equivalent system of these factors are the common problems confronted by many engineering subjects 工程岩体在这些因素构成的动态平衡体系中的变形、破坏及其稳定性是许多工程学科面临的共同问题。 |
| 4. | 2 . in connection with the energy compaction of multiwavelets , discussed the good multiwavelets properties , using the relations between the equivalent system of scalar filters and a given multiwavelets system . 3 针对多小波变换后的能量的集中性,利用等价标量滤波器组与多小波滤波器的等价关系,讨论了“良好”多小波性质。 |
| 5. | Then linear control technique is applied to the linear subsystem of the transformed equivalent systems to design the controller , thus a nonlinear controller of the original chaotic systems is obtained , which is proved to be exponentially stable 然后利用线性控制方法对变换后的等价系统中的线性子系统进行了控制器设计,由此设计出原混沌系统的非线性控制器,并证明其具有指数稳定性。 |
| 6. | The scale of the equivalent system is of 50 percent of the original one , and the time cost of transient siumlaton for the equivalent system is reduced to almost half while the calculation precision is acceptable 算例中等值网络的节点数目、支路数目、发电机数目和负荷数目大约只有原始网络的50 % ,用等值网络进行暂态稳定计算大约可以节省一半的计算时间,且计算结果的精确度完全满足工程的需要。 |
| 7. | The first class methods are the classical frequency domain - based equivalent system methods ( f - esm ) which recommended by mil - f - 8785c and mil - std - 1797a . five longitudinal low order equivalent systems and fourteen lateral ones are discussed in detail and some pieces of advice are given . also conduct an investigation in the time domain - based equivalent system methods ( t - esm ) . and for longitude short period movement , two least square ( ls ) identification methods of estimating its parameters are studied 研究了求取高增稳飞机的低阶等效系统的几种方法:研究了经典的频域等效系统方法,针对纵向5种、横向14种构型的低阶等效系统进行了拟配实践,并提出一些有益的看法;以频域等效系统方法为基础,提出了时域等效系统新方法;以最小二乘辨识为基础,提出了两种纵向短周期低阶等效系统时域辨识方法(等效延迟时间_ q参与或不参与) 。 |
| 8. | In this thesis , main research is described as following : 1 ) according to the principle of system science and resemble technology , we systematically discussed the basic theory of simulation technology . combining with several simple but typical examples , we put forward morphism principle and equal principle which based on morphism system and equivalent system and expounded the inherent meaning of simulation and emulation . some vocabulary related were clarified definitely and the interrelationship between simulation , experiment and analysis was expounded . the developing veins of the simulation technolo . gy were elaborately carded . the modern meaning of simulation technology was explained further 本文的工作主要包括以下几项内容: 1 )从系统科学和相似技术的角度出发,系统地总结及论述了仿真技术的基础理论;结合几个简单的典型实例,提出了以同型系统和等价系统为基础的同型原理和等价原理,并以此为基础阐明了模拟和仿真的内在含义;对与仿真相关的一些词汇作了明确的界定,阐明了仿真方法与试验方法、理论分析方法的相互关系;对仿真技术的发展脉络作了细致的梳理;对仿真技术的现代含义作了进一步的说明。 |
| 9. | In this paper , we discuss a kind of filter generator whose filter functions have less input bits than the degree of the linear feedback shift register ( lfsr ) . by analyzing the structure of the filter generator and its equivalent system , we give out a conditional search algorithm ( csa ) to attack this kind of filter generators 针对滤波函数f ( x )的输入比特数m少于线性反馈移位寄存器级数n的滤波生成器,本文通过分析其等价的组合生成器的结构,以及不同节拍上驱动序列的各个符号之间的制约关系,给出了广义解序列的概念,并提出了类似遍历二叉树的条件搜索算法csa ,用于攻击该类特殊的滤波序列。 |