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Four basic processes are analyzed in detail in network security decision,which are the base of NSDSS security decision. Then, developing strategies and methods are analyzed according to the objective and task of the system. Antetype method with RAD speciality is chosen to lead the developing process of the system. The structure of "Four-Base and Seven-System" of NSDSS is decided, based on which, the Function and Structure of Man-Machine Conversation system, General Management system, Data Base system, Model and Method Base system, knowledge base system, Causing and solving problems system are discussed. The basic theories and methods of each part are discussed. In the designing process of Model Base System, detailed analysis is given to the models of prediction, evaluation and management in the course of security decision. Moreover, basic process and method are discussed on question generation and solution. Then, detailed explanation is provided on the integration and implement of the system. After that, it is suggested that implement of the system should be carried through the process of the system.

论文首先对NSDSS涉及到的相关知识进行了讨论,详细分析了网络安全决策中的四个基本过程,这是NSDSS进行安全决策的基础;随后依据系统的目标和任务,对系统的开发策略和方法进行了分析,选择具有RAD能力的原型法指导整个系统的开发过程;确定了NSDSS"四库七系统"的整体结构;在此基础上,分别探讨了人机对话系统、通用管理系统、数据库系统、模型库和方法库系统、知识库系统、问题生成和求解系统的功能和结构,对各部件的基本原理和实现方法进行了论述;在模型库系统的设计过程中,对安全决策过程中运用到的安全预测、安全评估、安全管理等模型进行了详细的分析;仔细探讨了问题生成和求解的基本过程和方法;较为详细地阐述了系统集成和实施的有关问题,面向系统的成功实现,提出了将系统实施贯串于整个系统开发过程中的思想。

The system , according to the approach and method of the software engineering on geography information system ,is under scientific system analysis and design combining with Duoluokou Market Information System's self-characteristic and is based on Ajax. Ruby on Rails framework will be applied to manage the date information. Such framework provide several ways to record data information and organize them in an efficient way and to do management, update, maintenance on them; Date information are visible that means the framework provide some operating function on map such as maximum, minimum and brose, user can use the button above the map to imply those function; Information query and brose, a corresponding entity will be offered according to the input terms and its location in the map.

系统按照地理信息系统软件工程的思路与方法,结合舵落口大市场信息化建设的自身特点,对其进行科学的系统分析与设计,并以Ajax技术为基础,利用Rails框架实现了数据信息管理,即运用多种方式录入数据信息,以有效的数据组织形式进行数据库管理、更新、维护;实现了信息查询与浏览,即提供根据输入的条件查询其对应的实体的相关属性;实现了数据信息可视化,即提供了放大、缩小、漫游等基本地图操作功能,用户可以利用地图上方按钮来方便的使用这些功能以及在地图中定位与显示所查询的目标物。

In presented method, the correlated variables are transformed into uncorrelated variables equivalently, and the performance functions in the correlated variables space are transformed into those in the equivalent uncorrelated variables space, in which the reliability sensitivity of the system failure probability with respect to the distribution parameters of the uncorrelated variables can be solved by the moment method for the uncorrelated variables. Finally the equivalent relationship between the correlated variables and the uncorrelated variables, the chain rule for derivative are employed to obtain the reliability sensitivity of the system failure probability with respect to the means of the correlated variables.

在所提的方法中,首先将相关变量空间等效转化为不相关变量空间,并将系统多个失效模式的功能函数转化为不相关变量空间的功能函数,进而利用矩方法得到多模式系统失效概率对不相关变量空间基本分布参数的灵敏度,最后利用相关变量空间与不相关变量空间的等价关系及复合函数求导法则,求得多模式系统失效概率对相关变量空间中变量均值的灵敏度。

More than one way of ciphering was available to ensure the network safety.After all,the system had comprehensive laboratory modules,powerful connection capacity with other systems,convenient ways to input,standardized coded tests,all??round and authority reference values data??base,and,original dynamic management assistant function.

对数据的存储采用最小元素结构,并可根据需要提供多种格式输出,保证了数据的可共享性;系统支持TCP/IP通讯协议传输方式,为系统内的业务数据跨平台共享提供了基础;可根据要求提供多种加密方式,这使信息系统的联网安全得到了保障;有全面的检验模块、强大的联机功能、方便的数据录入方式、标准化的项目设置、全面而权威的项目参考值数据库、独创的动态管理辅助功能。

Based on the models presented above, this paper provides the new design of the E1 to VC-4 mapping Application Specific Integrated Circuit that named MXLO21E1-3. The innovations of the chip are listed below.(1) One chip can fulfill 21 E1 tributaries to demultiplex and multiplex from and to two VC-4 buses that transfer in different directions (2) Put forward the new design scheme which combined the ADM system with TM system (3) Adopted the advanced pointer processor which remarkably restrain the output wander (4) Timing recovery is realized in the chip, which reduce the peripheral circuits The characters listed above made the MXLO21E1-3 advanced in the scale, system performance, and application allover the world.

在所建立的SDH系统集成模块概念的基础上,本文提出了一个新的SDH映射芯片MXLO21E1-3的方案设计,该方案创新性的特点在于:(1)单片实现21个E1双总线映射,其功能相当于目前国际应用最多的同类芯片的5倍(2)实现分插复用器ADM和终端复用器TM合二为一的系统设计(3)采用先进的指针处理,显著减小漂移(4)片内E1定时提取,进一步减少外围电路上述特点使该芯片在功能规模上,系统性能和应用上都具有国际领先水平。

The sluice-gate control system is a SCADA system (data capture 、 data surveillance and data control), the functions of which are to capture, monitor and control the central data , capture data digitizedly and distributively , transmit data gradedly , display in multiple modes , and so on . The system makes the process of opening and closure of the sluice-gate simple, convenient, flexible and stable . It can discharge reasonably by using the fewest mechanical and electronic devices , and attain the best effect of the intellectual SCADA system in the loading capability of the sluice-gate .

闸门监控系统是一个可进行中央数据采集、监视和控制的,集数字化、分布式数据采集,分层数据传输,多种显示方式等功能于一身的SCADA系统,使得闸门启闭过程更加简捷、方便、灵活、可靠,功能更强大,从而达到使用最小的机电设备与能耗,获得最合理的排放,并充分发挥计算机智能SCADA系统对闸门运载能力的最佳效果。

The system is perfectly realized through the four counts below:1 ^ Using configuration soft compile the person-computer interface for information management of grain depot content and the application program for data collection. This program will finish real time data collection and conversion and will dynamic come after each bam flash-locks run state and will supervise and record the run instance ^ startup or stop time 2^ Using Visual FoxPro workout report table for grain depot content informationmanagement system witch carry out database management function. 3^ Using Visual C++ workout communication program between Force Control configurable soft and aptitude instruments.(1) N Receive data from aptitude instruments.

本课题从下面四个方面实现系统要求: 1 利用组态软件Force Control 2.0编制了仓容信息管理系统的人机界面和数据采集应用程序,完成设备状态的实时采集和转换,动态跟踪各粮仓闸门的运行状态,监视并记录斗提机的运行情况、启动和停止的时间; 2 利用Visual FoxPro编制了仓容信息管理系统报表记录应用程序,实现数据库的管理功能; 3 利用Visual C++编制Force Control组态软件与智能仪表以为例的通讯程序,实现下列两项功能:(1)接收来自在线流量计的数据。

Chapter IV, the overall structure of the function, detailed the function of the system on the structure, scheduling and traffic management, freight management, scheduling command management, statistics and statements management module.

第四章系统的总体功能结构部分,介绍了系统的功能结构,并对行车调度管理,货运管理,调度指挥管理,统计及报表管理等功能模块做了详细的阐述。

The thesis mainly concerns the following aspects: the relay protection and its trip-close circuit of two circuits transmission-lines are stand alone. The device has the ability of phase-trip that is owns transmission line single phase , 2 or 3phases fault only fault phase tripped.so as to making the power system contact as close as possible. The function of reclosing distribute into relay protection of line and breaker, so it is easy to get no-serious fault information of line protection and realize self-adapted multi pole reclosing. The breaker reclosing depend on the state of owns breaker andthe adjacent breaker. The criterion of serious fault and the sequence reclosing is simple and useful.

本项目具有如下特点:两回线的保护装置及跳、合闸回路完全独立;装置具有分相跳闸功能,即本线单相、两相、三相故障时均只跳故障相,使得故障时系统联系尽可能紧密;重合闸功能合理分配在线路保护和断路器保护中,充分利用了线路保护的信息实现无严重故障判别和分相顺序重合策略的自适应重合功能,由断路器保护根据断路器本身的工作状态和相邻断路器的配合关系实现重合出口;判断严重故障的判据及分相顺序重合闸原理简单合理,具有实用意义,降低了重合于永久故障对系统的冲击。

But compared with more mature-oriented operational level of the accounting information system, the existing management information system is not perfect, there is a strong function Report statistics, risk analysis and historical data on the weak many, the trend analysis of a small problem, can not very well-assisted management information to make an accurate grasp the details of analysis and synthesis, it is difficult to detect and defuse the risks, early warning function is not strong.

但相对于较为成熟的、面向操作层面的会计信息系统,现有管理信息系统还不完善,存在着报表统计功能强、风险分析功能弱和历史数据多、趋势分析少的问题,未能很好地辅助管理人员对信息作出准确的细节分析和综合把握,难以及时发现和化解风险,预警功能不强。

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