目录1.引言............................................................................................................................21.1.编写目的..........................................................................................................................21.2.背景说明..........................................................................................................................22.任务概述....................................................................................................................22.1.目标..................................................................................................................................22.1.1开发意图..................................................................................................................................32.1.3作用及范围..............................................................................................................................32.2.用户的特点......................................................................................................................32.3.假定与约束......................................................................................................................33.需求规定....................................................................................................................33.1、理解需求........................................................................................................................33.2、需求分析........................................................................................................................43.1.对性能的规定..................................................................................................................43.1.1.精度.........................................................................................................................................43.1.2.时间特性要求.........................................................................................................................43.1.3.灵活性.....................................................................................................................................53.2输入输出要求.............................................................................................................................53.3数据管理能力要求...........................................................................................................53.4.故障处理要求..................................................................................................................53.4.1.内部故障处理...............................................................................................................53.4.2.外部故障处理.........................................................................................................................53.5.其它专门要求..................................................................................................................64.运行环境设定............................................................................................................64.1.设备..................................................................................................................................64.2.支持软件............................................................................
