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