软件需求工程
1 引言.........................................................................................................................................................2
1.1 编写目的.........................................................................................................................................2
1.2 背景................................................................................................................................................2
2 任务概述.................................................................................................................................................3
2.2 应用范围及开发的背景资料.........................................................................................................3
2.3 用户的特点及软件使用频度.........................................................................................................3
3 需求规定.................................................................................................................................................3
3.1 系统需求........................................................................................................................................3
3.2 对功能的规定................................................................................................................................4
3.3 对性能的规定.................................................................................................................................6
3.3.1
精度
.........................................................................................................................................6
3.3.2
时间特性要求
.........................................................................................................................6
3.3.3
灵活性
.....................................................................................................................................6
3.4 输入输出要求.................................................................................................................................6
3.5 系统界面..........................................................................................................................................8
3.5.1
系统登录界面
..........................................................................................................................8
3.5.2
系统功能界面
..........................................................................................................................8
3.5.3
常用界面元素与图片
..............................................................................................................8
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