2023年全國碩士研究生考試考研英語一試題真題(含答案詳解+作文范文)_第1頁
已閱讀1頁,還剩9頁未讀, 繼續(xù)免費(fèi)閱讀

下載本文檔

版權(quán)說明:本文檔由用戶提供并上傳,收益歸屬內(nèi)容提供方,若內(nèi)容存在侵權(quán),請進(jìn)行舉報(bào)或認(rèn)領(lǐng)

文檔簡介

1、<p><b>  附 錄</b></p><p>  Digital mining construction(Part)</p><p>  The introduction :</p><p>  Since the former vice President al gore in January 1998, in &quo

2、t;digital earth: how to understand our planet in the 21st century" speech, first put forward the concept of digital earth and its framework, concept and practice of digital distributed in various specific industries

3、 and fields, the digital information technology is becoming more and more profoundly affects the development of human society. According to the national "tenth five-year plan of the enterprise information requiremen

4、t, must use</p><p>  GIS (Geographic Information System) is used for acquisition, modeling, processing, retrieval, analysis and expression of geospatial data in the computer Information System, spatial Infor

5、mation description, storage, analysis and output of the theory and method of a new cross subject. ? based on GIS platform.</p><p>  1.1 The mine informationization present situation analysis in our country&l

6、t;/p><p>  In recent years, our country mining industry informatization construction, although a larger development, but the overall situation is still not optimistic. In mine surveying, planning, design, prod

7、uction and management informatization, the gap with developed countries is more and more big. As mine mine didn't put the information resources in one of the important strategic resources to plan as a whole developme

8、nt and comprehensive utilization of information resources to form more without adequa</p><p>  1.1.1 Mine informatization overall level is low</p><p>  Our country is a big mining, mining indust

9、ry is a labor-intensive industry, informationization level is low. In addition to a small number of mining enterprises have advanced a variety of information management system, most of mine is still in the early stages o

10、f information management, is not very good use of information technology to promote the development of the enterprise, the lack of overall planning, resulting in the mining enterprises in the level of no good computer ne

11、twork infrastructu</p><p>  1.2.1 Most of enterprises focusing on hardware investment, has neglected the development, management and application of the software</p><p>  Most of the enterprise d

12、id not establish suitable for mining basic information database for the development of enterprises, the lack of perfect study coal mine spatial information system, the reserves of resources management system and the 3 d

13、geological model of system, etc., not formed a perfect mining software system.</p><p>  1.3.1 Insufficient understanding of modern information technology</p><p>  Although the understanding of

14、information mining enterprises compared with the past has improved to a certain extent, but with the national information construction requirements to use information technology lead to the development of traditional com

15、panies such as mine has bigger gap. On the informatization construction, each also vary widely in mines, only someone who has a good efficiency, large scale, market concept and a strong sense of modern management of larg

16、e and medium-sized mining ente</p><p>  1.4.1 The imperfection of the information resources management</p><p>  At present, part of the existing enterprise though have opened internal communica

17、tion network, but the vast majority of enterprise web site is just a simple expansion of network, did not make full use of network to carry on the deep information resources development, the lack of sharing and networkin

18、g of information resources, can't make the enterprise internal and effective information communication between enterprise and customer, directly affects the survival and development of the enterprise</p><p

19、>  2.1 the concept and function of the DM system research</p><p>  2.1.1 The meaning of DM</p><p>  DM is built on a digitalization, informatization, and on the basis of the virtualization an

20、d integration of pipe, control integration network management system by computer. It integrated production, management, management, environment, resources, all sorts of elements such as safety and efficiency, make enterp

21、rise in implementing green mining under the condition of the overall coordination, to increase mining enterprises in the market competition ability and the ability to adapt, with the ultima</p><p>  2.2 .1 D

22、M characteristics</p><p>  DM has the following six characteristics:</p><p>  1. Shall have complete enterprise data transmission network. DM construction of huge amounts of data, the model of m

23、anagement, application and sharing is to through the network, it is need to build a broadband, high speed and two-way communication network platform, to ensure that data in mining enterprises inside and outside of high-s

24、peed transmission, for mining products, management of social information on the Internet fast delivery, easy to mine public sharing of information and the product m</p><p>  2. Possess a complete mining and

25、mining information database application model, the core of the digital mine is a data warehouse. Spatio-temporal data warehouse application model, mining and other core system to manage the mining features of geometry in

26、formation, topology information and attribute information, the management of the mining engineering, design, production, decision-making service and other important links, such as: design, calculation of reserves and min

27、ing subsidence extent of ga</p><p>  3. True 3 d geoscience analog (Internet), all kinds of data mining tools packaging systems; 3 Internet and data mining to "huge amounts of data in data warehouse and

28、 model" with the model, carries on the data and model of the filter and restructuring.</p><p>  4. Measurement (including digital photography, GPS, geodesy and downhole conventional measurement), geophy

29、sics exploration, remote sensing technology for comprehensive means to build accurate and comprehensive mine comprehensive information system for data acquisition and updating.</p><p>  5. In mining CAD (the

30、 direction of MCAD), virtual reality (VR) and simulation (CS), scientific computing (SC) and visual (v), office automation, highly integrated many technologies such as . Mining CAD, virtual reality, simulation, scientifi

31、c computing and visualization system, not only to various operation conditions of mine inoue 3 d simulation, but also to the underground geological distribution, formation of accurate simulation and virtual analysis can

32、also be for the miners for virtual oper</p><p>  6. Established mine GIS system. MGIS as modern mine informatization office and decision-making of public platform, as all kinds of mining software integration

33、 and public carrier of all kinds of model integration, plays a decisive role in the whole process of mining operations. DM MGIS system facing the 21st century should be an organization that can provide mining with mine i

34、nformation management, mining simulation, spatial analysis and visual decision support system of true 3 d GIS.</p><p>  …………………………………………………………………………………………………..</p><p>  5.1 Conclusion</p>

35、<p>  Mines in our country has experienced the transition from planned economy to market economy, to now although there is a certain degree of development, but also must clearly realize the existing problems, and D

36、M construction with the developed countries there is a huge gap. Due to the dynamics and complexity of coal mining production process, the DM's construction will certainly is a complex and long-term system engineerin

37、g. Should actively promote modern information technology in the application </p><p>  數(shù)字化礦山建設(shè)(部分)</p><p>  權(quán)威期刊h.yq1cJ*lu/vD權(quán)威期刊+]p:Ht e m p 引言 +q4t,FNzU9Lj*s </p><p>  XLu3m5T

38、9;`  自美國前副總統(tǒng)戈?duì)栍?998年1月在“數(shù)字地球:21世紀(jì)如何認(rèn)識我們的星球”的演講中首次提出數(shù)字化地球的概念及其框架以來,數(shù)字化的概念和實(shí)踐陸續(xù)出現(xiàn)在各個具體的產(chǎn)業(yè)和領(lǐng)域中,數(shù)字化信息技術(shù)也越來越深刻地影響著人類社會的發(fā)展。根據(jù)國家“十五”計(jì)劃對企業(yè)信息化的要求,要利用信息化帶動礦山等傳統(tǒng)企業(yè)的發(fā)展。權(quán)威期刊]qf</p><p><b>  l#s{;@</b></p&g

39、t;<p>  q;I6_#}1SA  GIS(Geographic Information System)是用于采集、模擬、處理、檢索、分析和表達(dá)地理空間數(shù)據(jù)的計(jì)算機(jī)信息系統(tǒng),是描述、存儲、分析和輸出空間信息的理論和方法的一門新興的交叉學(xué)科。以GIS為平臺,構(gòu)建數(shù)字礦山DM(Digital Mine)是對所有與礦山有關(guān)的數(shù)據(jù)信息進(jìn)行數(shù)字化,可以實(shí)現(xiàn)信息處理、檢索、輸出的自動化、可視化、與地理關(guān)系的一體化,以便礦山進(jìn)行計(jì)算

40、機(jī)輔助設(shè)計(jì)、礦產(chǎn)資源預(yù)測和礦山生產(chǎn)的動態(tài)管理等,以達(dá)到充分合理開發(fā)利用資源,謀求礦山開發(fā)的最佳社會經(jīng)濟(jì)效益和環(huán)境效益的目的。</p><p>  z7H%qL}u權(quán)威期刊CwZ#H1.1 我國礦山信息化現(xiàn)狀分析 權(quán)威期刊 M|7iO6~(j-tY  近年來,我國礦山行業(yè)的信息化建設(shè)雖然有了較大發(fā)展,但總體狀況仍然很不容樂觀。在礦山勘察、規(guī)劃、設(shè)計(jì)、生產(chǎn)、管理等信息化領(lǐng)域,與發(fā)達(dá)國家的差距越來越大。我國礦山?jīng)]有把

41、信息資源當(dāng)作礦山的重要戰(zhàn)略資源之一加以統(tǒng)籌開發(fā)與綜合利用,更沒有形成信息資源充足、系統(tǒng)性能穩(wěn)定的礦山信息基礎(chǔ)設(shè)施。總體來說存在以下問題:權(quán)威期刊7w0O${~%} xe0w</p><p>  權(quán)威期刊h ^&n^wFB9H-O1.1.1 礦山信息化總體水平較低權(quán)威期刊#c"e J l {.uL*^[</p><p>  e3@KI)wS  我國是一個礦業(yè)大國,礦山行業(yè)

42、是勞動密集型行業(yè),信息化程度很低。除了少部分礦山企業(yè)有較先進(jìn)的各種信息管理系統(tǒng)外,大部分礦山尚處于信息管理的初級階段,沒有很好地利用信息技術(shù)促進(jìn)企業(yè)的發(fā)展,缺乏統(tǒng)籌規(guī)劃,從而導(dǎo)致這個層次上的礦山企業(yè)沒有較好的計(jì)算機(jī)網(wǎng)絡(luò)設(shè)施,沒有共享的網(wǎng)絡(luò)信息數(shù)據(jù),也就使這類礦山企業(yè)在以信息為主導(dǎo)的知識經(jīng)濟(jì)面前沒有優(yōu)勢可言。</p><p>  9G*gw%D.G\"X{ |0T</p><p>

43、;  1.2.1 大部分企業(yè)只注重硬件投資,忽視了軟件的開發(fā)、管理與應(yīng)用權(quán)威期刊'DOn:j r.k</p><p>  M&uHlf%Kf D</p><p>  O  大部分企業(yè)沒有建立適合企業(yè)生產(chǎn)發(fā)展的礦山基礎(chǔ)信息數(shù)據(jù)庫,缺乏完善的地學(xué)煤礦空間信息系統(tǒng)、儲量資源管理系統(tǒng)及三維地質(zhì)模型系統(tǒng)等,沒有形成一個完善的礦山軟件體系。</p><p> 

44、 bGJ#D}9Bs/N</p><p>  1.3 .1 對現(xiàn)代信息化認(rèn)識不足</p><p>  1_4k!\nuk S0r5JRe!J#?J  雖然礦山企業(yè)對信息化的認(rèn)識與以往相比有了一定程度的提高,但與國家信息化建設(shè)要求的要利用信息化帶動礦山等傳統(tǒng)企業(yè)的發(fā)展尚有較大差距。在信息化項(xiàng)目建設(shè)上,各個礦山也相差很大,僅有那些效益好、規(guī)模大,市場觀念和現(xiàn)代管理意識強(qiáng)的大中型礦山企業(yè)對信息

45、化需求較為強(qiáng)烈。權(quán)威期刊0g*^0BC1U</p><p>  ed0KBpj {8OX.@9v)X</p><p>  1.4.1 信息資源管理不夠完善</p><p>  { } ~5P2O"|-Tc9W :t-uH)_)g5BY!Y$L  目前,已有一部分企業(yè)雖然已經(jīng)開通了企業(yè)內(nèi)部通信網(wǎng)絡(luò),但絕大多數(shù)企業(yè)網(wǎng)站僅僅是網(wǎng)絡(luò)的簡單擴(kuò)充上,并沒有充分利

46、用網(wǎng)絡(luò)進(jìn)行深層次的信息資源開發(fā),缺乏共享的、網(wǎng)絡(luò)化的信息資源,不能使企業(yè)內(nèi)部及企業(yè)與客戶之間的進(jìn)行有效地信息溝通,直接影響企業(yè)的生存與發(fā)展。權(quán)威期刊Z R"K,T1{}</p><p>  :nL d&x0S2.1 DM的理念及功能體系研究 </p><p>  'S0[gq,BOA</p><p>  2.1.1 DM的涵義 權(quán)威期刊,F

47、S3\*bZk M^X</p><p>  DM是建立在數(shù)字化、信息化、虛擬化和集成化基礎(chǔ)上的,由計(jì)算機(jī)網(wǎng)絡(luò)管理的管、控一體化系統(tǒng)。它綜合生產(chǎn)、經(jīng)營、管理、環(huán)境、資源、安全與效益等各種因素,使企業(yè)在實(shí)施綠色采礦的條件下實(shí)現(xiàn)整體協(xié)調(diào)優(yōu)化,以增強(qiáng)礦山企業(yè)在市場中的競爭能力和適應(yīng)能力,其最終目標(biāo)是實(shí)現(xiàn)礦山的高度信息化、自動化與高效率。權(quán)威期刊:a2hx5C{hI N L</p><p>  

48、權(quán)威期刊+dc ],li;u(T%N</p><p>  2.2.1 DM基本特點(diǎn) P,A(Cf2g  DM具有以下六大特征:權(quán)威期刊1Z4N sK'u</p><p>  SI`Bf  1.應(yīng)具備完善的企業(yè)數(shù)據(jù)傳輸網(wǎng)絡(luò)。DM建設(shè)中的各種海量數(shù)據(jù)、模型的管理、應(yīng)用與共享是通過網(wǎng)絡(luò)來進(jìn)行的,這就需要建立一個寬帶、高速和雙向的通訊網(wǎng)絡(luò)平臺,確保數(shù)據(jù)在礦山企業(yè)內(nèi)外的高速傳輸,以

49、利于礦山產(chǎn)品、經(jīng)營等社會化信息在網(wǎng)上的快速傳遞,便于礦山信息的公眾共享和產(chǎn)品市場的實(shí)時運(yùn)作。</p><p>  o'}/{!V\ A&W4m 權(quán)威期刊k'fD6`/z S8fRQ)z   2.具備完整的礦業(yè)信息數(shù)據(jù)庫及礦業(yè)應(yīng)用模型,數(shù)字礦山的核心就是數(shù)據(jù)倉庫。時空數(shù)據(jù)倉庫、礦業(yè)應(yīng)用模型等核心系統(tǒng)能夠管理著礦山地物的幾何信息、拓?fù)湫畔⒑蛯傩孕畔ⅲ芾碇V山工程、設(shè)計(jì)、生產(chǎn)、決策服務(wù)等重要環(huán)

50、節(jié),如:礦山開采沉陷設(shè)計(jì)、儲量計(jì)算、瓦斯聚集程度模型等。</p><p>  3A.~@z'cJ*`y 權(quán)威期刊*^Mk)}F k_*?   3.真三維地學(xué)模擬(3DGM)、各類數(shù)據(jù)挖掘工具等包裝系統(tǒng);3DGM和數(shù)據(jù)挖掘?qū)Α皵?shù)據(jù)與模型倉庫”中的海量數(shù)據(jù)與模型,進(jìn)行數(shù)據(jù)與模型的過濾和重組。</p><p>  U7PshJT os IyG la#t  4.以測量(包括數(shù)字?jǐn)z影

51、測量、GPS、大地測量及井下常規(guī)測量)、地球物理探測、遙感技術(shù)為綜合手段來建立精確、全面的礦山綜合信息數(shù)據(jù)采集與更新系統(tǒng)。</p><p>  2O]0D fn`7e4nf9D8c 權(quán)威期刊 b0D+zW(a7?R  5.以采礦CAD(MCAD)、虛擬現(xiàn)實(shí)(VR)、仿真(CS)、科學(xué)計(jì)算(SC)、可視化(VS)、辦公自動化等多技術(shù)高度集成。采礦CAD、虛擬現(xiàn)實(shí)、仿真、科學(xué)計(jì)算、可視化等系統(tǒng),不僅能夠?qū)ΦV山井上的

52、各種作業(yè)條件進(jìn)行3D模擬,而且可以對井下的地質(zhì)、地層分布情況進(jìn)行準(zhǔn)確的模擬與虛擬分析,還可以對即將下井作業(yè)的礦工進(jìn)行虛擬的井下條件培訓(xùn),提高他們的安全意識和工作效率。權(quán)威期刊/RKi E` z9^ @</p><p>  權(quán)威期刊I9hl_,A  6.建立完善的礦山GIS系統(tǒng)。MGIS作為現(xiàn)代礦山信息化辦公與決策的公共平臺,作為各類礦山軟件集成和各類模型融合的公共載體,在礦山業(yè)務(wù)的全過程中起著決定性作用。面向21

53、世紀(jì)DM的MGIS系統(tǒng)應(yīng)該是一個能為采礦業(yè)提供礦山信息組織管理、采礦模擬、空間分析與可視決策支持的真三維GIS系統(tǒng)。</p><p>  …………………………………………………………………………</p><p><b>  5.1 結(jié)束語 </b></p><p>  我國礦山經(jīng)歷了從計(jì)劃經(jīng)濟(jì)到市場經(jīng)濟(jì)的轉(zhuǎn)變,到現(xiàn)在雖然有了一定程度的發(fā)展,但還

溫馨提示

  • 1. 本站所有資源如無特殊說明,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,請聯(lián)系上傳者。文件的所有權(quán)益歸上傳用戶所有。
  • 3. 本站RAR壓縮包中若帶圖紙,網(wǎng)頁內(nèi)容里面會有圖紙預(yù)覽,若沒有圖紙預(yù)覽就沒有圖紙。
  • 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. 眾賞文庫僅提供信息存儲空間,僅對用戶上傳內(nèi)容的表現(xiàn)方式做保護(hù)處理,對用戶上傳分享的文檔內(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, 同時也不承擔(dān)用戶因使用這些下載資源對自己和他人造成任何形式的傷害或損失。

評論

0/150

提交評論