Based on the information fusion estimation theory , various information fusion structures and their algorithms are summarized , including centralized , decentralized , fusion mode and all - information mode . various kalman filters in the case of correlative infonnation arc summarized , including those with the correlation of measuring noise and system noise , those with colored noise and those in the case of one filter stimulating another . mathematical simulation results , as shown in figures 4 . 3 through 4 . 5 , testify the validity of solving the problem of one filter stimulating another by using the method of prolonging fusion period 基于信息融合估计理论，研究和总结了多传感器系统中的各种信息融合结构及其算法，包括集中式、分散式、融合式和全信息融合方式；研究和总结了各种相关信息情况下的kalman滤波，包括量测噪声与系统噪声相关时的kalman滤波、有色噪声条件下的kalman滤波和滤波激励滤波条件下的kalman滤波。
On the basis of former researchers ' work , the author studies sm on ecs continental shelf according to mathematical simulation technique . firstly , the author simulates marine dynamic field with much precise temperature and salinity data . seconly , the author computes the distribution of concentration of sm and its transport in winter and in summer according to a 3 - d suspended matter model . lastly , the author analyses the transport of suspended matter by sea water dynamic circumstance 本文在前人的工作基础上，通过数值模拟的方法就悬浮体输送问题进行了探讨。首先，利用精度较高的温盐资料模拟了黄、东海的水动力场，再通过一个对流? ?扩散型物质输送模型模拟了东海陆架上冬季和夏季悬浮体的分布情况，最后结合水动力就悬浮体输送进行了分析。
This article ’ s purpose is to simulates the apron that adds the coarseness fluent speed of flow in to hang the upward distributed , through the comparison , absorbs other mathematical simulations in model and the method , established the surface two - dimensional current of water mathematical model of apron that adds the coarseness 本文以模拟海漫加糙后明渠紊流的流速在垂向上的分布规律为主要内容,通过比较、借鉴其它数学模拟的建模方法,建立了海漫加糙后水流垂向二维数学模型。
Abstract : the present paper reviewed application of mathematical simulation technology in china s iron & amp; steel industry in the recent years and focused in the feature of the business finite element analysis software and its advantages in solving the problems existing in the iron and steel industry and other mechanical working sectors and forecast the trend of development with respects to the application of this technology in the iron and steel industry 文摘:综述了近年来数值模拟技术在我国钢铁工业中的应用现状,着重分析了商业有限元分析软件的特点及其在解决钢铁冶金和加工领域中的问题时所具有的优势,并预测了数值模拟技术在钢铁工业中应用的发展趋势。
For the autonomous spacecraft is very complicated , carrying overall mathematical simulation to such a system is very difficult to realize by one computer only . according to the system ' s own characteristics , we can adopt hla ( high level architecture ) structure , distributing the simulation task to the nodal computer of each network 根据探测器自主系统特点,本文将高层体系结构( hla , highleverarchitecture )应用于深空探测自主技术仿真中,将仿真任务分布到各个网络节点计算机上,实现了分布式的深空探测自主技术的仿真系统。
Secondly , the artificial neural networks and mixed evolutionary computation are employed into the mathematical simulation of complex geological structure , and with gis and visualization technique , the method of geological digital 3 - d modeling and visualization is presented . so , not only the functions of making geological section and querying spatial information could be achieved , but also the spatial distribution of geological structures and their complex relationship could be described visually . thereby an interactive and convenient way for engineering geological design could be actualized （ 2 ）提出了复杂地质构造数学模拟的神经网络方法与混合进化方法，并利用gis技术和可视化技术，深入研究了数字地质三维建模及其可视化方法，实现了地质三维任意剖切、信息空间查询与管理等功能，从而为直观描述地质构造的空间展布及其相互间的复杂空间关系，以及快捷、交互地进行工程地质设计提供了新的途径与手段。
Because die common fault detection method for sensors , residual x2 test , is insensitive to gradual - change - fault detection , a kind of residual x 2 test based on moving subnormal state is presented , and its validity is testified by mathematical simulation results , as shown in figures 5 . 2 through 5 . 5 . with regard to the lag of soft fault detection , a kind of system reconstruction tactic based on hierarchic alliance structure of federal filters is proposed . mathematical simulation results , as shown in figure 6 . 10 , show the validity of isolating fault by using the tactic 西北工业大学沁士学位论文们要一个研究指出常用的传感器故障检测方法?一残差x ‘检验法对渐变性故障检测的不敏感性，提出一种基于移动伪正常状态的残差检验法，并通过数学仿真验证该方法对渐变性故障检测的有效性；提出一种基于递阶联合滤波器结构的系统重构策略，并通过数学仿真验证该策略对故障隔离的有效性。
The research background of this dissertation is the defence pre - research item of the national tenth - five - year plan - “ research on longevous service and high reliability of satellite ” . for improving the diagnosis ability of satellite attitude control systems , this dissertation studies on the telemetering data analyzing and diagnosis based on mathematical simulation 本学位论文以国防“十五”预研项目( 02413200204242 ) “卫星长寿命高可靠性技术”为研究背景,为提高卫星姿控系统的故障诊断能力,对基于数学仿真的卫星姿控系统遥测数据分析与故障诊断进行了系统、深入的研究和探索。
We know that simulation results produce many data and charts . in order to manage these data and charts efficiently , the author designs a visual management system according to visual program tools and component of gis . this visual system is just an attempt to associate visual programme with structure programme . more work about visual research about marine mathematical simulation will develop in future 数值模拟结果往往产生大量的数据和依数据而绘制出的大量图件，为了很好地管理这些数据和图件，本文通过可视化编程工具及gis组件开发了一个模拟结果可视化系统。此系统是将可视化编程与结构化编程相互结合的一个尝试。
This paper introduces two methods of computing density and enthalpy : combination of " sectional average value " and " look - up tables " will improve the temperature resolution to 0 . 1 , that is / 0 . 1 and h / 0 . 1 ; " mathematical simulation " method will get density and enthalpy value with error less than 0 . 01 % 在本文中，提出了两种计算密度值和热焓值的方法：用“区间平均值法”与查表法相结合，来求密度值和热焓值，可将求的密度值和热焓值所对应的温度分辨率，提高到0 . 1 ，即0 . 1 、 h 0 . 1 。
