目 录
0 前言........................................................................................................................................... 1
0.1 摘要 ................................................................................................................................ 1
0.2 关键词 ................................................................................................................................ 1
1 总体方案设计及方案论证 ........................................................................................................... 1
1.1 系统总体设计方案及系统框图 ............................................................................................. 1
1.2 声响模块方案论正............................................................................................................... 2
1.3 声音接收处理模块方案论证................................................................................................. 3
1.3.1 声音接收模块.............................................................................................................. 3
1.3.2 声音处理模块方案论证 ............................................................................................. 3
1.4 显示模块方案论证............................................................................................................... 3
2.电路与程序设计............................................................................................................................. 3
2.1 声响模块.............................................................................................................................. 3
2.2 声音接收处理模块................................................................................................................ 5
2.2.1 声音接收模块 ........................................................................................................... 5
2.2.2 声音处理模块 ........................................................................................................... 6
2.3 显示模块............................................................................................................................. 6
2.4 程序设计与流程图............................................................................................................... 6
2.4.1 声响模块流程图................................................................................................................ 6
2.4.2 接收模块流程图......................................................................................................... 8
2.4.3 显示模块流程图......................................................................................................... 8
3 理论分析与计算............................................................................................................................. 9
4 系统测试 ....................................................................................................................................... 9
4.1 声响模块............................................................................................................................... 9
4.2 声音接收模块......................................................................................................................10
由于测试现场嘈杂，接收到了信号有一定的失真。.................................................................... 11
4.3 声音处理模块..................................................................................................................... 11
4.4 显示模块............................................................................................................................. 11
附录 1：...........................................................................................................................................12
附录 2：...........................................................................................................................................13
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