目录
1 引言..................................................................................................................................... .............4
1.1 编写目的.................................................................................................................................4
1.2 背景.........................................................................................................................................4
1.3 定义.........................................................................................................................................5
1.4 参考资料.................................................................................................................................5
2 任务概述...................................................................................................................................... ....6
2.1 目标.........................................................................................................................................6
2.2 用户的特点.............................................................................................................................6
2.3 假定和约束.............................................................................................................................6
3 需求规定...................................................................................................................................... ....8
3.1 对功能的规定.........................................................................................................................8
3.2 对性能的规定.......................................................................................................................10
3.2.1
精度
............................................................................................................................ ......10
3.2.2
系统特性要求
..................................................................................................................10
3.2.3
灵活性
............................................................................................................. .............. ...11
3.3 输人输出要求.......................................................................................................................11
3.4 数据管理能力要求...............................................................................................................11
3.5 故障处理要求.......................................................................................................................12
3.6 其他专门要求.......................................................................................................................12
4 运行环境规定.................................................................................................................. ..............13
4.1 设备.......................................................................................................................................13
4.2 支持软件...............................................................................................................................14
4.3 接口.......................................................................................................................................14
4.4 控制.......................................................................................................................................14