基于FPGA的光纤声波传感实验装置.docxVIP

基于FPGA的光纤声波传感实验装置

目录

1.内容概要................................................3

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

1.2研究目的.............................................5

1.3研究意义.............................................5

2.光纤声波传感技术概述....................................6

2.1光纤声波传感原理.....................................8

2.2光纤声波传感技术特点................................10

2.3光纤声波传感技术应用................................11

3.FPGA技术简介...........................................12

3.1FPGA基本概念........................................13

3.2FPGA在信号处理中的应用..............................13

3.3FPGA选型及性能分析..................................14

4.实验装置设计与实现.....................................16

4.1系统总体设计........................................17

4.1.1系统功能模块....................................19

4.1.2系统硬件设计....................................20

4.1.3系统软件设计....................................22

4.2光纤声波传感器设计..................................23

4.2.1传感器结构设计..................................23

4.2.2传感器性能参数分析..............................24

4.3FPGA核心模块设计....................................26

4.3.1数据采集模块....................................27

4.3.2信号处理模块....................................28

4.3.3控制模块........................................29

5.实验装置性能测试与分析.................................30

5.1实验装置测试方案....................................31

5.2测试数据采集与处理..................................32

5.3实验结果分析........................................33

5.3.1声波信号检测性能................................34

5.3.2系统稳定性分析..................................36

5.3.3系统抗干扰性能分析..............................37

6.实验结果与讨论.........................................38

6.1实验结果展示........................................39

6.1.1声波信号检测结果................................40

6.1.2系统性能指标....................................41

6.2结果讨论............................................42

6.2.1实验装置优缺点分析...........