1 引言 ................................................................................................................................................3
1.1 编写目标..................................................................................................................................3
1.2 背景..........................................................................................................................................3
1.3 定义..........................................................................................................................................3
1.4 参考资料..................................................................................................................................3
2 任务概述 ........................................................................................................................................4
2.1 目标..........................................................................................................................................4
2.2 用户特点..................................................................................................................................4
2.3 假定和约束..............................................................................................................................4
3 需求要求 ........................................................................................................................................4
3.1 对功效要求..............................................................................................................................4
3.2 对性能要求..............................................................................................................................6
3.2.1
精度
...................................................................................................................................8
3.2.2
时间特征要求
...................................................................................................................8
3.2.3
灵活性
...............................................................................................................................8
3.3 输人输出要求..........................................................................................................................9
3.4 数据管理能力要求..................................................................................................................9
3.5 故障处理要求..........................................................................................................................9
3.6 其它专门要求..........................................................................................................................9
4 运行环境要求 ..............................................................................................................................10
4.1 设备........................................................................................................................................10
4.2 支持软件................................................................................................................................10
