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农田测坑作物需水量测量系统研制与应用.docx

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农田测坑作物需水量测量系统研制与应用

目录

内容概览................................................3

1.1研究背景...............................................4

1.2研究目的与意义.........................................5

1.3国内外研究现状.........................................6

系统总体设计............................................7

2.1系统架构...............................................8

2.2系统功能模块...........................................9

测坑作物需水量测量原理.................................10

3.1作物需水量基本概念....................................11

3.2测坑法原理............................................12

3.3测量参数与计算方法....................................13

系统硬件设计...........................................14

4.1硬件选型..............................................15

4.1.1数据采集模块........................................16

4.1.2控制模块............................................17

4.1.3显示模块............................................18

4.1.4通信模块............................................19

4.2硬件电路设计..........................................20

4.2.1数据采集电路........................................22

4.2.2控制电路............................................23

4.2.3显示电路............................................25

4.2.4通信电路............................................26

系统软件设计...........................................27

5.1软件架构..............................................29

5.2软件功能模块..........................................29

5.2.1数据采集与处理......................................30

5.2.2数据分析与显示......................................31

5.2.3用户交互界面........................................33

5.3软件实现与调试........................................34

系统测试与验证.........................................35

6.1系统测试方法..........................................36

6.2测试结果与分析........................................38

6.2.1功能测试............................................39

6.2.2性能测试............................................40

6.2.3可靠性测试..........................................41

系统应用案例...........................................43

7.1案例一..

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