基于FPGA的压力管道泄漏声波信号采集系统设计.docxVIP

基于FPGA的压力管道泄漏声波信号采集系统设计

目录

1.内容概述................................................3

1.1研究背景.............................................3

1.2研究意义.............................................5

1.3文档结构.............................................5

2.文献综述................................................6

2.1FPGA的简介...........................................7

2.2压力管道泄漏检测技术.................................8

2.3声波信号采集技术.....................................9

3.系统需求分析...........................................11

3.1功能需求............................................13

3.2性能需求............................................14

3.3环境要求............................................15

4.FPGA技术概述...........................................17

4.1FPGA的基本概念......................................18

4.2FPGA的特性..........................................19

4.3FPGA在信号处理中的应用..............................20

5.压力管道泄漏声波信号特性分析...........................22

5.1声波传播特性........................................23

5.2泄漏声波的特点......................................24

5.3信号采集的难点与挑战................................25

6.系统设计方案...........................................26

6.1总体设计思路........................................27

6.2硬件设计............................................29

6.3软件设计............................................30

6.3.1实时数字信号处理算法............................31

6.3.2界面设计........................................33

6.4调试与测试方案......................................34

7.软件与硬件实现.........................................36

7.1软件开发............................................37

7.1.1编程语言选择....................................38

7.1.2开发工具介绍....................................40

7.2硬件板级设计........................................41

8.系统测试与验证.........................................42

8.1系统测试方法........................................44

8.2数据分析............................................45

8.3系统性能评估..............................