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The common method, that all strong-correlation terms of the model are eliminated, can bring the loss in the engineering application, so the new method is proposed that the identified model reserves some correlation. The augmented matrix A is constructed by the outputΔW and the matrix S. The"determinating order based on ratio of determinant"is brought out to screen the strong-correlation terms in the structure identification. The latent root estimation is improved in screening the eigenvalues and eigenvectors. Thus the estimation precision is improved greatly.The consistence check of guidance instrument error coefficients of flight test and ground test is the purpose of flight experiment. The causes of inconsistency of the two models are analyzed. The hypothesis test of linear regression model based on F statistics is proposed to check the consistence.Finally, the instability of error coefficients is probably caused by the change of the flight environments, therefore, the relation between the error coefficients and flight environment is analyzed. The approach is presented to identify SINS guidance instrument error models and compensate the error in the segmented sections corresponding to the change of vertical acceleration of aircraft.

在结构辨识中,常用的方法由于将模型中的强相关项全部剔除而给工程应用带来损失,因此,本文提出了新的有益思想,即在保留一定相关性的基础上进行辨识:将输出向量ΔW与环境函数矩阵S构成增广矩阵A,然后采用"比定阶行列式"来剔除相关向量的方法,这样既可以尽可能多地保留了对落点影响大的强相关参数,又可以对落点影响小的强相关参数给予剔除;在参数估计中,改进了特征根估计中特征根和特征向量的筛选方法,提出"近零"准则,从而大大提高了参数估计的精度;再者,鉴于天地模型"一致性"检验是飞行试验和SINS制导工具误差系数分离的主要目的,因此,本文又深入分析了造成天地模型不一致的原因,提出了采用基于F统计的线性回归模型假设检验方法来进行捷联制导工具误差模型的天地"一致性"检验;最后,鉴于飞行环境剧烈变化可能会对惯性仪表误差系数稳定性带来一定的影响,因此本文深入地分析了SINS制导工具误差系数与外界环境的关系,提出了基于过载变化大小的分段辨识和分段实时补偿的算法。

The dissertation begins with the further discussion attributions of the economic contract , and comparing the economic contract with the ordinary economic contract and financial instruments, I think that the derivative financial instrument is an economic contract essentially, and has all the common characters owned by the economic contract, so we should establish the accounting for derivative financial instrument on the executory contract, otherwise the accounting for the derivative financial instrument will lose the basis of the accounting theory.

本文共分四部分:本文首先对衍生金融工具的经济属性进行了较为深入的探讨,并将其与一般经济合约和基本金融工具进行了比较分析,认为衍生金融工具本质上是一项经济合约,具有所有经济合约所具有的共性,衍生金融工具的会计处理应建立在对履行中合约的会计处理基础之上,否则对衍生金融工具的会计处理就会缺乏理论基础。

In the second part, it is argued that the effect of Novum Organum on the philosophy and science is just as the function of beacon. The thesis in this part systematically introduces Bacon"s basic and extensive thoughts excluding Baconian Induction, Theory of the Idols and the Empirical Epistemology that people have thoroughly researched; moreover, the mistakes which people have made are corrected and the limitations of the viewpoints of Novum Organum are also focused on. In the third part, Bacon"s basic and extensive scientific and technological researches are discussed. Regarded to this, the thesis finds that people only paid attention to Bacons view that heat is a motion which Bacon took lots of space in Novum Organum to summarized according to Baconian Induction.

本文总共分为四大部分:首先,分析《新工具》是对亚里斯多德《工具论》的勇敢挑战,并着重论述了培根的政治和文化背景对他的新思想所造成的深刻影响;其次,系统探讨《新工具》在哲学和科学中起到的灯塔作用,本文论述了培根的基本哲学和科学思想及具体应用和反映,但是对前人已深入探讨过的培根式归纳法、四假象说和经验认识论不再论述,同时对前人的一些误读进行澄清,并分析培根的《新工具》在哲学和科学思想方面的局限;再次,对前人很少涉猎的《新工具》中的科学研究方面进行系统论述,本文发现人们基本上仅仅注意到了培根在《新工具》中大篇幅运用培根式归纳法进行举例论证的热动说,而对这本书中其他的科学研究不甚关注。

This study follows "analyzing theory-developing tool-investigation andstatistics-displaying relationship-proving hypothesis", defines the connotation ofteaching aesthetic ability by methods of literature research, questionnaire investigation and factor analysis, explores the structure of teaching aesthetic ability which comprises perceptibility, design ability, operation ability, apprehension ability and evaluation ability by exploratory and confirmatory factor analyses; And develops "Teacher"s teaching aesthetic ability appraisal scale in primary and middle school" and "Teacher"s aesthetic conception and consciousness questionnaire", analyses the developmental characteristics of teachers

本研究遵循"理论分析——研制工具——调查统计——揭示关系——验证假设"的思路,采用文献研究、问卷调查、因素分析等方法,界定了教学审美能力的内涵,通过探索性因素分析和验证性因素分析,探索出了教学审美能力是由教学审美感知能力、教学审美设计能力、教学审美操作能力、教学审美理解能力、教学审美体验能力和教学审美评价能力六个因素构成的整体结构;并在此基础上编制了"中小学教师教学审美能力评价量表",解决了中小学教师教学审美能力测量工具缺乏的问题,具有科学性和实用性。

By using Visual Basic, based on NASTRAN finite element analysis, this paper developed an efficient and convenient software which can process automatically the result of NASTRAN analysis and establish the database, and compute the failure probability of structural element and system, plot the contour of failure probability.

在NASTRAN有限元分析结果的基础上,以Windows95为开发平台,以VisualBasic为开发工具,开发了一个效率高,使用方便的结构可靠性分析软件该软件可以自动处理NASTRAN的计算结果,建立数据库,计算结构单元和系统的失效概率,绘制结构失效概率分布云图等,为工程人员在有限元计算的基础上进一步进行可靠性分析提供了一个方便、快捷的工具

In the frame, Design Structure Matrix is the tool to build up the models of product structure and development process. The product structure topology tree is defined, and the product structure DSM model is introduced. The formalized description about development process model is presented. The characteristics of the tools to build up development process are analyzed, the strongpoint of DSM is discussed, and the development process model based on DSM is introduced. The relation between product structure and development process is analyzed.

在研究框架中引入了产品结构和开发过程的建模工具——设计结构矩阵(Design Structure Matrix, DSM);给出了产品结构拓朴树的定义及其形式化描述,并在此基础上引入了产品结构DSM模型;给出了产品开发过程模型的形式化描述,比较了几种常见的产品开发过程建模工具,分析了用DSM建模工具进行产品开发过程建模的优势,引入了产品开发过程DSM模型;分析了产品结构与开发过程之间的联系,提出了两者之间的集成机制,并在此基础上给出了IM-PSDP模型。

The paper first discusses the programming principles of how to exploit the parallelism underlying in sequential programs with the Parallel Programming Interactive Environment, explains the designing methods of the major functions and tools integrated in the PROFPAT (the PROgramming environment for the Fortran PArallel Transformer), and demonstrates its initial application process by the practice of interactive dependence analysis, loop parallelization, array privatization and unimodular transformation.

首先,本文从理论上深入探讨了如何借助并行程序设计交互环境帮助程序员分析和利用潜藏于串行程序中的并行性的原理,详细介绍了并行程序设计环境PROFPAT中集成的主要功能和主要工具的设计实现方法,并结合交互相关性分析、交互循环并行化变换、交互数组私有化变换、交互幺模变换等程序并行化分析、变换的初步应用实践,说明了这些工具和功能的应用方法。

At first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu-lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band-pass filter, alternating amplifier, phase sensitive demodulatorn, pulse-width modulation, frequency scale circuit, moment current generator. Finally, using the graphics program language LabV-IEW which is designed for testing field especially by NI accomplishes the solfware design of testing system,realized the testing functions.

首先对加速度计及其测试技术的发展历史和现状,液浮摆式加速度计的工作原理和数学模型等作了简要的介绍,然后确定了以二元调宽脉冲再平衡测试回路为设计方案,并从控制理论的角度进行了分析,着重研究了系统中各部分的传递函数,利用系统开环传递函数分析了系统的稳定性,同时设计了系统的校正网络;分析了二元调宽脉冲再平衡测试回路的分辨率、采样约束以及测试精度等基本问题,并按照系统分析的结果设计了包括前置放大、带通滤波、交流放大、相敏解调、脉宽调制、频标电路以及力矩电流发生器等测试系统各部分硬件电路,验证了电路的正确性,最后按照测试系统的要求,采用了美国NI公司专为测试领域所开发的虚拟仪器工具——LabVIEW作为测试软件开发工具,利用该图形化编程语言完成了测试系统软件部分的设计,实现了测试功能。

Chapter 4 concludes the type of fiscal and financial policy measures of technology innovation analyzes the effectiveness of fiscal and financial measures of typical technology innovation, construes how to promote technology innovation by using fiscal and financial police measures.

第4章对技术创新的财政与金融政策工具的种类进行了归纳,对典型的技术创新的财政与金融政策工具的效用进行了分析,重点分析了如何利用财政与金融政策工具促进技术创新。

Low level radwaste disposal problems are complex. Many important issue, such as radionuclide migration in the geosphere, must be carefully evaluated before making decision. This project will explore the use of a hydrogeological decision support system for solving these complex problems. The system will integrate hydrogeological analysis tools, geographic information system, mathematical models, stochastic and statistic methods, graphical interface, and decision system. By using the system, it is expected that many different alternatives can be efficiently analyzed and evaluated, and results can be presented much more effective to decision makers, while compared with the conventional presentation. Basing on the prototype system developed in the last two years, this project will integrate more analysis tools and improve the functions of the system.

中文摘要低放射性废料处置所牵涉之问题甚为广泛且复杂,其中又以放射性核种於地下水中迁移所造成之风险性分析最为重要,一般而言,一个水文地质决策支援系统将结合水文地质、地理资讯系统、数学模式、序数及统计、图形介面、优化及决策分析等理论及工具,方能使该系统迅速分析各种不同方案,并以最有效方式将分析结果呈现於决策者;因此,本计画预计延续八十二年至八十三年间,初步完成之整合风险分析模式之决策分析系统刍形,并於其基础上继续整合及发展一些关键技术及工具,以增加系统必备之功能,使其系统更趋完善,达到实用之目的。

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推荐网络例句

However, as the name(read-only memory)implies, CD disks cannot be written onorchanged in any way.

然而,正如其名字所指出的那样,CD盘不能写,也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口,替代木托盘,免薰蒸,符合欧盟、北美各国对出口货物包装材料的法令要求;喷涂钢托盘适用于重载上货架之用,托盘表面根据需要制作成平板状、波纹状及间隔形式,满足不同的使用要求。

A single payment file can be uploaded from an ERP system to effect all pan-China RMB payments and overseas payments in all currencies.

付款指令文件可从您的 ERP 系统上传到我们的电子银行系统来只是国内及对海外各种币种付款。