| 1. | This is the first time to observe a prelude phase - locking staircase to type v intermittency with other forms 这是第一次在实际模型中发现非传统魔梯形式的v型阵发前奏锁相阶梯。 |
| 2. | Then the effective model ( with high - voltage interconnection ) is simulated by mdeici . the results of simulation are compared to the results of the ideal model . in addition , the 利用medici对工艺模拟得到的实际模型进行仿真,分析结构参数对击穿电压的影响,并将理想模型与实际模型的击穿电压特性进行比较。 |
| 3. | ( 3 ) an adaptive ha control approach is proposed for a class of uncertain nonlinear system . the neural network is used to learn the error between the real model and the nominal model 3 )针对一类不确定性非线性系统,利用神经网络来学习实际模型和系统标称模型之间的偏差,采用类似2 )的方法,提出了一种h _自适应方法。 |
| 4. | The inversion ' s resolution is restricted by seismic sampling rate , dominant frequency and bandwidth used a practical model to prove , and two difference concepts are put forward between seismic resolution and stratigraphic resolution 用实际模型论证反演的分辨率与地震资料分辨率的关系,认为反演的分辨率受地震资料的采样率、主频和有效频带的限制,并提出地震分辨和地层分辨两个不同的概念。 |
| 5. | This paper tries to resolve this problem by redesigning the software architecture of distributing parallel schedule model to improve the system " s adaptability and extensibility . this paper is balanced as following . firstly , this paper studies the characters of distributed parallel schedule that required by the trend of distributed parallel computing and criticizes the existing solution to these problems ; secondly , this paper develops a extensible and adaptive distributing parallel schedule to resolve these problems ; finally , this paper offers three key experiments to verify the rationality of the solution and then draws conclusion 本文安排如下:首先,在引入研究问题的基础上,讨论分布并行的调度模型所需要具备的新的特征以及给出这些特征的一个可计算的解决方法;然后,在此基础上提出一种新的分布并行调度的设计模型,该模型重点解决分布并行调度的设计结构对可扩展性,自适应性的制约问题;接着,基于上述讨论结果提出了分布并行调度器设计和实现上的具体应用实例;最后,通过试验的方法讨论了该实际模型的性能并对本文进行简要总结。 |
| 6. | How to design efficient algorithm for scheduling bursts is a key problem in obs networks . chapter 2 use queue theory to analyse the loss rate of scheduling algorithms . a modified analytical model is put forward to analyze algorithms with or without void - filling . the analytical and simulation results show that lauc - vf has the loss performance very close to the lower bound calculated by erlang b formula 第二章用排队理论分析插空和不插空调度算法的理论丢失性能,并针对obs突发丢失的实际情况提出了分析突发丢失的实际模型,并应用这模型对调度算法进行理论分析和仿真比较,结果表明爱尔兰b公式只是突发丢失的理论下限。 |
| 7. | Abstract : a semi - analytical method is used to modelling the pract ical 3 - zone simulated moving bed chromatography ( smbc ) process for optimal searc hing . the switch time which is the most important operation parameter of 3 - zone smbc is analyzed based on the nonlinear batch chromatography theory firstly , and then adjusted by the deviation between the output and the expectation . the switch time approaches the optimization very soon by continously searching on the basi s of the theory . the parameters of the practical system are inputted into simulat ion , the result is used in our experiment and a good separation is obtained 文摘:针对三带模拟移动床色谱的实际模型,用一种融合了前馈与反馈的半解析优化计算方法对三带模拟移动床色谱过程进行了模拟.首先,由非线性单柱色谱理论解析地给出一个三带模拟移动床色谱的主要操作参数即切换时间值,然后利用所得结果与目标量之间的偏差来校正切换时间,在理论指导下进行优化搜索,切换时间能很快达到最佳值.将测得的系统参数引入计算,并将计算结果用于实际操作,得到了很好的分离效果 |
| 8. | The model of the boiler has a non - linear model according to the experimental data got through the test of heat efficiency . two methods are provided in the paper , one is to modify the moving parameter pursuant to the model , the other is to get a factual model and its method through the accumulated moving data and drawing un the figures 此外对于汽轮机,为得到符合机组实际运行情况的模型,文中提出两种方法: 1 )对根据工况图得到的模型进行运行参数修正; 2 )根据实际运行数据,采用数值拟合的方法得到实际模型。 |
| 9. | The work of the adjustment mechanism is a project which is supported by the state committee of " 863 " . three design mechanisms are proposed , bearing and screw style , movable bearing style mechanism and assembly style mechanism . it is difficult for the precision of the mechanism made of movable bearing to meet the requirements of the design because the bearing must be made individually 空间太阳望远镜成像镜调焦机构的设计是在国家“ 863 ”高科技课题中展开的,本文有创建性的工作是根据设计要求提出了三种机构设计形式,包括直线轴承式、移动滚珠式和装配直线轴承式,比较了三种机构各自的优缺点,并根据其中的一种加工制作了实际模型。 |
| 10. | The object is identified by linear model and the neural network ’ s learning ability and nonlinear map ability for the control method . the method applies neural network ’ s learning ability and nonlinear map ability to the design of controller in order to obtain the precise control of output for the uncertain and nonlinear system . using the robust feedback controller to guarantee the course continuity and the system stability 针对以上问题,本文提出一种神经网络鲁棒控制方法,此控制方法采用线性模型与神经网络在线逼近非线性特性相结合共同辩识实际模型;利用神经网络的学习能力和非线性映射能力,解决控制器的在线设计问题,以达到对不确定非线性系统的高精度输出跟踪控制;利用鲁棒反馈控制器来保证控制过程的连续性和闭环系统的稳定性,消除外干扰对控制系统的影响。 |