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I
摘 要
下雨是一种自然的现象,当地球上的水蒸发了之后,就会形成蒸汽,然后蒸
汽就一直向上飘,当飘啊飘,飘到一定的高度后,周围的温度就会越来越低,然
后蒸汽就会变成水滴,当达到一定的量后,就会出现下雨的现象。所以一般下雨
都是夏天才会有,因为夏天的水蒸气特别的多,所以雨量特别的大。
一般下雨分为小雨、中雨、大雨、暴雨,每一种雨的雨量是不同的,下雨对
人们来说有好处也有坏处,它可以说是一把双刃剑,我国是一个农业大国,农作
物的生长是离不开雨水的,所以下雨有利于农作物的生长,可以浇灌农作物,但
是如果是长时间的下暴雨,那就会发生洪水,给人们的生产生活带来非常大的危
害,甚至危及人的生命。
因此对于雨量的预测是非常有必要的,通过雨量的预测,可以及时的进行胜
场生活的准备,也可以有效的避免暴雨带来的危险。
从前人们预测雨量都是通过古老的方式,比如看乌云的颜色和密集成都、看
动物的反应,比如蚂蚁出动、燕子低飞等,还有可以感受风的速度和大小等,近
代人们通过观看天气预报进行察看。
现在计算机技术发展的十分迅速,在各行各业中都起着非常重要的作用,通
过计算机和网络技术可以做到很多以前做不到的事情,也发明了很多的新方法,
网络技术在天气方面的应用也非常的多,本文所研究的就是一种非常实用的雨量
预测系统,可以非常精准的预测每个月份的下雨量情况。
本系统用到了 python 技术和时间序列分析技术,数据库用的是 mysql 数据库,
保证了系统功能的强大和数据的安全性。
关键词:python,时间序列,雨量预测
II
ABSTRACT
Rain is a natural phenomenon. When the water on the earth evaporates, it forms
steam, and then the steam continues to float upward. When it floats and floats to a
certain height, the surrounding temperature will become lower and lower, and then the
steam will become water droplets. When it reaches a certain amount, the phenomenon
of rain will occur. Therefore, it usually rains in summer, because there is a particularly
large amount of water vapor in summer, so the rainfall is particularly large.
Generally, rain is divided into light rain, moderate rain, heavy rain and rainstorm.
The amount of rain in each rain is different. Rain is good for people and bad for people.
It can be said to be a double-edged sword. China is a large agricultural country, and the
growth of crops cannot be separated from rain. Therefore, rain is conducive to the
growth of crops and can irrigate crops. However, if it rains for a long time in rainstorm,
floods will occur, It brings great harm to people's production and life, even endangering
human life.
Therefore, it is very necessary to predict the rainfall, which can prepare for victory
in time and effectively avoid the danger caused by rainstorm.
In the past, people used to predict rainfall in ancient ways, such as watching the
color and density of dark clouds, watching the reactions of animals, such as ants moving
out, swallows flying low, and feeling the speed and size of the wind. In modern times,
people used to watch weather forecasts to observe.
Nowadays, computer technology is developing very rapidly and plays a very
important role in all walks of life. Through computer and network technology, many
things that could not be done before can be achieved, and many new methods have been
invented. Network technology is also widely used in weather. This article focuses on a
very practical rainfall forecasting system, which can accurately predict the rainfall of
each month.
This system uses python technology and time series analysis technology, and the
database uses mysql database, ensuring the powerful system functions and data security.
Keywords: Python, time series, rainfall prediction
III
目 录
摘 要................................................................................................................................I
ABSTRACT......................................................................................................................II
第一章 绪论 .....................................................................................................................5
1.1 背景和意义 .........................................................................................................5
1.2 国内外研究现状 .................................................................................................5
1.3 主要研究内容 .....................................................................................................5
1.4 设计思路 .............................................................................................................6
1.5 研究方法 .............................................................................................................6
第二章 相关技术介绍 .....................................................................................................7
2.1 B/S 结构 ...............................................................................................................7
1.2 python 技术 ..........................................................................................................7
1.3 MySql 数据库 ......................................................................................................7
1.4 时间序列 ..............................................................................................................7
第三章 需求分析 .............................................................................................................9
3.1 功能需求分析 .....................................................................................................9
3.2 非功能需求分析 .................................................................................................9
3.3 可行性分析 .......................................................................................................10
3.4 安全分析 ...........................................................................................................10
4 系统总体设计 ...........................................................................................................11
4.1 数据库设计 .....................................................................................................11
4.3 系统功能设计 .................................................................................................11
5 系统实现 ...................................................................................................................12
5.1 用户登录 .........................................................................................................12
5.2 用户管理 .........................................................................................................13
5.3 降雨量预测 .....................................................................................................14
6 系统测试 ...................................................................................................................14
6.1 测试目的 .........................................................................................................14
6.2 测试内容 .........................................................................................................14
6.4 测试结果 .........................................................................................................15
结 论 .............................................................................................................................16
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