目 录
第一章 系统方案...............................................................1
1.1 信号发生模块的论证与选择.............................................................................................1
1.2 低通滤波器模块的论证与选择.........................................................................................1
1.3 数字信号分析方案论证与选择..........................................................................................2
第二章 系统理论分析与计算.....................................................3
2.1 低通滤波器的分析...........................................................................................................3
2.1.1 阶数的确定..............................................................................................................3
2.1.2 电阻、电容参数的确定。......................................................................................3
2.1.3 通带增益..................................................................................................................4
2.2 m 序列数字信号的产生......................................................................................................4
2.2.1 数字信号的产生......................................................................................................4
2.2.2 伪随机信号的产生..................................................................................................5
2.3 眼图显示方法.....................................................................................................................6
2.3.1 眼图的概念..............................................................................................................6
2.3.2 眼图的意义..............................................................................................................6
2.3.3 眼图的显示..............................................................................................................7
2.4 同步信号提取.....................................................................................................................7
第三章 电路与程序设计.........................................................8
3.1 电路的设计..........................................................................................................................8
3.1.1 系统总体框图...........................................................................................................8
3.1.2 电源...........................................................................................................................8
3.2 程序的设计..........................................................................................................................8
3.2.1 程序模块...................................................................................................................8
3.2.2 程序流程图...............................................................................................................8
第四章 测试方案与测试结果....................................................10
4.1 测试方案............................................................................................................................10
4.1.1 硬件测试.................................................................................................................10
4.1.2 软件仿真测试.........................................................................................................10
4.1.3 硬件软件联调.........................................................................................................10
4.2 测试条件与仪器...............................................................................................................10
4.3 测试结果及分析...............................................................................................................10
4.3.1 测试结果(数据) ......................................................................................................10
4.3.2 测试分析与结论.....................................................................................................13
第五章 结论.................................................................15
附录 1：电路原理图 ...........................................................17
附录 2：源程序 ...............................................................18
