2023年全國(guó)碩士研究生考試考研英語(yǔ)一試題真題(含答案詳解+作文范文)_第1頁(yè)
已閱讀1頁(yè),還剩53頁(yè)未讀, 繼續(xù)免費(fèi)閱讀

下載本文檔

版權(quán)說(shuō)明:本文檔由用戶(hù)提供并上傳,收益歸屬內(nèi)容提供方,若內(nèi)容存在侵權(quán),請(qǐng)進(jìn)行舉報(bào)或認(rèn)領(lǐng)

文檔簡(jiǎn)介

1、華中科技大學(xué)碩士學(xué)位論文干旱灌區(qū)灌溉管理信息系統(tǒng)研究與應(yīng)用姓名:孫芳申請(qǐng)學(xué)位級(jí)別:碩士專(zhuān)業(yè):水利水電工程指導(dǎo)教師:周建中;黃牧濤20070302華 中 科 技 大 學(xué) 碩 士 學(xué) 位 論 文 華 中 科 技 大 學(xué) 碩 士 學(xué) 位 論 文 IIAbstract In northern china, especially the northwestern region, the uneven d

2、istribution of water resource and the perennial dry weather, leads to the water shortage problems. Among the water usage sectors, irrigation water usage takes a great part. In the arid areas, irrigation is the fundamenta

3、l guarantee of the agriculture economic efficiency for the whole irrigation. In the circumstances of relative lack of water, the timely and a reasonable amount of irrigation is very important. But most of the current man

4、agement of irrigation water is still relatively backward. The development of computer technology promotes the water conservancy information development. The water industry needs to apply advanced information management t

5、ools to improve its efficiency. The main content of this paper is the Irrigation Management Information System. The paper gives the summary of the research situation of irrigation management information technology. In t

6、his paper various forecast models, including irrigation runoff forecast, crop water requirement and irrigation water requirement are discussed in detail. According to the past runoff data, it establishes the coming water

7、 forecast model. And its application conditions are discussed. The paper gives the BP neural network model for crop water requirement. On the basis of this, the main crop irrigation water requirement estimation methods w

8、ere raised. This paper studies the Irrigation Management Information System (IMIS), including its basic structure. The database management, GIS and RS applications in irrigation management are studied in detail. On the

9、basis of theory research and based on the field investigation, combing the research of Shulehe irrigation area, the paper analysis its existing issues of this irrigation management. Getting to know its irrigation managem

10、ent processes and combing various analysis and decision making models, the author developed the irrigation management information system for Shulehe area using C# language. Keywords:Irrigation Management Information

溫馨提示

  • 1. 本站所有資源如無(wú)特殊說(shuō)明,都需要本地電腦安裝OFFICE2007和PDF閱讀器。圖紙軟件為CAD,CAXA,PROE,UG,SolidWorks等.壓縮文件請(qǐng)下載最新的WinRAR軟件解壓。
  • 2. 本站的文檔不包含任何第三方提供的附件圖紙等,如果需要附件,請(qǐng)聯(lián)系上傳者。文件的所有權(quán)益歸上傳用戶(hù)所有。
  • 3. 本站RAR壓縮包中若帶圖紙,網(wǎng)頁(yè)內(nèi)容里面會(huì)有圖紙預(yù)覽,若沒(méi)有圖紙預(yù)覽就沒(méi)有圖紙。
  • 4. 未經(jīng)權(quán)益所有人同意不得將文件中的內(nèi)容挪作商業(yè)或盈利用途。
  • 5. 眾賞文庫(kù)僅提供信息存儲(chǔ)空間,僅對(duì)用戶(hù)上傳內(nèi)容的表現(xiàn)方式做保護(hù)處理,對(duì)用戶(hù)上傳分享的文檔內(nèi)容本身不做任何修改或編輯,并不能對(duì)任何下載內(nèi)容負(fù)責(zé)。
  • 6. 下載文件中如有侵權(quán)或不適當(dāng)內(nèi)容,請(qǐng)與我們聯(lián)系,我們立即糾正。
  • 7. 本站不保證下載資源的準(zhǔn)確性、安全性和完整性, 同時(shí)也不承擔(dān)用戶(hù)因使用這些下載資源對(duì)自己和他人造成任何形式的傷害或損失。

評(píng)論

0/150

提交評(píng)論