Abstract : at present object - oriented programming has been the most potential d eveloping tool . how to choose reasonable developing tactic in a c cordance with practical application field was explored . this paper gives so me examples in one specific developing instance 文摘:面向对象的程序设计，已成为最具潜能的开发工具及环境，它需要针对具体的应用领域，选择合理的开发策略，本文就面向对象的基本概念和开发过程作了阐述，并结合具体的开发实例给出了解决问题的思路和示例。
Firstly , introduce the design of sonar display , trace - to - trace correlation and gray scale display , develop a new method of gray scale based on signal noise ratio . and next , discuss array signal processing and image processing in order to improve the display . finally , develop a software of sonar display simulator based on object oriented programming , with which the sonar display console is simulated and the performance of sonar signal is tested 本文工作围绕如何提高声纳显示效果，介绍了声纳显示屏幕的设计方案，论述了“迹迹相关”技术、灰度显示技术在声纳显示中的应用，提出了基于信噪比的灰度级别划分方法；结合阵列信号处理、图象处理技术，本文引入了子带峰值能量检测算法、图象边缘检测算法，进一步提高了声纳检测性能；基于面向对象的程序设计方法，设计了声纳显示平台软件，为模拟声纳显示、检验声纳信号显示性能提供了仿真环境。
This paper analyses the annotated rules of the steel information of the frame column expressed in " plane method " construction drawing , sums up the expressed characteristics of the reinforcement information of the frame column , the object - oriented method is adopted to get the expressed pattern of the steel information . owing to " plane method " shop drawing steel information is expressed by geometry parameter , combine of the shop drawing and the detailed construct drawing can full express the steel information . by study of the information , this paper set up the steel parameter graph base 对“平法”施工图中框架柱钢筋信息的注写规则进行了深入的分析和研究，对完整反映框架柱钢筋的各类信息表达特点进行了归纳，在此基础上利用面向对象的程序设计方法及c + +语言建立了描述框架柱钢筋所有信息的表达模型；由于在“平法”施工图中各类构件钢筋的几何信息是一种抽象的以参数表达的信息，影响参数由图中钢筋的标注信息和标准构造详图中的构造要求确定。
According to this model , the capacity evaluation system of xi ’ an xian yang international airport was developed by utilizing the programming method of object orientation ; comparing the results of former evaluation system and that of this one , the correctness of the proposed model was verified ; the airport ’ s running status and flight delays were researched through statistics of the system , providing airport ground controllers with reasonable advices . finally , the further development of airport capacity evaluation was expatiated 根据这一模型,以西安咸阳国际机场为背景,采用面向对象的程序设计方法,开发机场地面容量评估系统;将系统评估所得结果与原有理论容量评估结果进行比较,验证了评估模型的准确性和优越性;对评估结果进行统计计算,分析机场不同空中交通流量下的运行情况及延误分布情况,为机场地面管制提供参考性意见。
Applying method of system ' s analysis integration definition method ( idef ) to the functional and structural analysis of net - nc operating platform , five modules of function have been abstracted , the charts of functional models of these modules have been designed ; 3 . developing net - nc operating platform software by the object - oriented programming language delphi 5 . 0 , having realized information manage of the net - nc operating platform ; 4 . integrating serial communication module and processing simulation module into net - nc operating platform , and fatherly functional integrate will go on ; 5 在课题研究中，主要做了以下工作：研究了网络数控操作平台的结构模式，将其功能划分为信息集成和功能集成；运用idef系统分析方法对平台信息流进行研究，划分出五大功能模块，绘制出模块功能模型图，为信息集成做好准备工作；运用面向对象的程序设计语言delphi5 . 0开发操作平台软件，实现操作平台的信息管理；实现了串口通信模块、加工仿真模块与操作平台的集成，为进一步的功能集成提供了思路和方法；网络数控操作个台的研究与实现提出了将远程视频技术集成入网络数控系统的方案。
The paper presents a distribution analysis software platform which is developed combining computer graphical theory and oop ( object - oriented programming ) . the platform includes three modules , the graphics module , the database module and the computation module . the graphical module can draw the key diagram of power system ; the database module can save , browse and edit the data of power systems ; the computation module can compute the power flow 本文运用面向对象的程序设计方法结合计算机图形学的知识，开发了一套可视化配电网分析软件平台，它包括用于绘制电力系统结线图的图形模块、用于保存、浏览、修改电网数据信息的数据库模块和进行配电网潮流计算的计算模块。
On the theoretical basis above , we achieve an secure electronic exchange system based ssl protocol , which use object - oriented programming design , cryptography technology and com technology . we put forward a new model - scm ( secure component model ) in our system design , which realizes a two levels authentication system by using user ' s password authentication and the public key cryptographic digital signature authentication together ; which realizes stronger and selectable encryption algorithms ; which realizes information integrity and non - repudiation . at the same time , we explore a new way which combine com and cryptography technology to implement secure electronic exchange 依据上述理论基础，采用面向对象的程序设计方法，在ssl协议的基础上，探索了利用com组件技术实现一个安全电子交易的二次加解密组件系统。在对系统的设计中提出了安全组件模型( scm ) ，该模型提供两层认证机制和浏览器web服务器双向身份鉴别。即第一通过用户口令验证；第二利用双方的公钥数字证书对握手连接信息进行数字签名验证。
Based on the configuration and the mechanism of multitasking in windowsnt , the software concurrent program is designed , including three procedures and multithreading , taking mutex semaphores as synchronization objects , to accomplish concertedly the simulation support software ' s tasks in terms of sharing one and the same real - time simulation database 然后根据实时仿真支撑软件的结构，利用windowsnt的多任务机制，以目前最流行的面向对象的程序设计思想，进行了windowsnt下并发程序的设计，采用三个进程和多个线程，以互斥信号量为同步对象，在共享同一个实时仿真数据库的前提下，协调完成仿真支撑软件的各项任务。
The pc - based distributed control system , attached with mature configuration sofaware in industrial control is a important developing direction in the control field . the paper studies the software configuration in microcomputer - based distributed control system by means of the object oriented porgramming method supported upon the visual c + + for windows and illustrates the key technology used in configuration software . it finished the concrete programming design and research so that the software could be used in upper layer computer of the dcs 本文就利用visualc + +语言支持的面向对象的程序设计方法oop ，在windows环境下对基于微机的集散控制系统的软件组态问题进行了研究，介绍了组态软件设计的一些关键环节，做了具体编程设计工作，实现了可用于集散控制系统上位机的组态软件。
The paper begins with the research of the organization ' s current state and available resource , then demonstrates the necessity and feasibility of system development , puts forward the objective and task of the system by the analysis of whole system , fixs on this system ' s main function and structure by the structured method of top - down and delicatilization step by step , and finally uses the object oriented programming to make the concrete design 本文从系统的现行状态和可用资源的调查入手，论证了系统开发的必要性和可行性，通过对整个系统的分析，提出了系统的目标和任务，运用自顶向下、逐步细化的结构化方法确定了系统的主体功能和结构，最后运用面向对象的程序设计方法( oop )进行了具体的设计。
