forecasting study 中文意思是什麼

forecasting study 解釋
預測學
  • forecasting : (勞動力供求)預測
  • study : n 1 用功,勤學;〈常 pl 〉學習;研究 (of); 研究對象;研究項目;值得研究的問題;學問,學業,學科...
  1. The study includes the hole color tv imagery system for drill hole, even - pole bore - hole acoustic system and acoustic meter, bore - hole multi - point consolidation apparatus, the quick camera computer - aid image for high rocky slope, image technology for layer analysis, safety monitoring technology for the section close to the dam, software for processing and forecasting the slope monitoring data, high precision geodesy monitoring automation system, etc. all the study results are new, advanced and practical, which has applied in the project and gained the obvious benefits

    鉆孔彩色電視孔壁成像系統、直接橫波測井研究偶極子井下聲系和聲波儀、鉆孔多點滲壓儀及壓模系統、巖質高邊坡快速攝像微機地質素描成圖、層析成像技術、近壩庫段安全監測技術、邊坡監測數據處理預報軟體研究、高精度大地測量監測自動化系統等項目,研究成果內容新、先進、實用,已在工程中應用,效益顯著。
  2. At first, this paper analyzes the factors of water - sand influencing water level of yellow river and the feasibility just using the factors of water - sand to study water level, and collects the corresponding data ; secondly, because there are strong nonlinear relation in the corresponding data, by meticulous theory analysis, this paper integrates basic nonlinear analysis method, theory of random analysis, method of least squares and so on. it puts forward a method which can get the high accuracy simulation of the data, perfects the multi - factor analysis of variable ( over three factors ) of the statistic ; thirdly, it applies the method to the approximation of corresponding water level process which belong to the capacity of sand of middle - high and middle - low, and get the high - accuracy simulation about the typical nonlinear relation ; at last, this paper definitudes the main influence mode that the capacity of sand. it mainly unite with other factors to work on the water level in the yellow river lower reaches ; mor eover, this paper analyzes the difficult point and the direction of improvement to realize the accuracy forecasting of the flood level of erodible - bed channel

    首先,系統分析了影響黃河水位的水沙因素,及僅用水沙因素有效研究水位的可行性,並按變量對應思想採集它們的相應數據;其次,由於相應水位過程數據中含極強的非線性關系,本論文經細致的理論分析,將基本的非線性分析方法、統計建模方法、隨機分析理論、最小均方誤差原則等等數學理論及方法有機揉合,提出了能有效實現這類數據高精度擬合的分層篩選法,並改進了統計學中多因子(三個以上)方差分析法;再次,將這一方法用於黃河中高及中低含沙類洪水相應水位過程的擬合,實現了這一典型非線性關系的高精度擬合,各年汛期上下游相應洪水位過程的擬合誤差都較小;最後,明確黃河下游含沙量對水位的主要影響方式,即含沙量主要是與其它因素聯合對水位作用;另外分析了要實現變動河床洪水位過程準確預報的困難所在及改進方向。
  3. Based on consider hereinbefore, this dissertation discusses several aspects on the problem of the sustainable and optimum exploitation of groundwater resources as follows : ( 1 ) reviewed entirely the origin and evolvement of the concept " sustainable development ", stated and commented the study status in queue on " sustainable development " around national and international range, thorough discussed the science connotation about the concept " sustainable development " ; ( 2 ) looked back and commented across - the aboard some furthest basic concept and proposition related to groundwater resources, put forward self opinions on a few existent mistake points of view and chaos understandings ; ( 3 ) expatiated entirely on the content and meaning of the theory of changeable groundwater resources system, contrast with the traditional methods of groundwater resources calculation and evaluation, combined example to show the application of this theory ; ( 4 ) thorough analyzed the difficult and complexity to forecast the groundwater resources, fully stated the traditional methods of groundwater resources forecasting, pointed out the characteristic and applying condition of these forecasting method, introduced the main ideas and methods of wavelet analysis developed recently, and the matlab software be known as the fifths era computer language, and its accessory wavelet analysis toolbox, applied these methods and tools to analyze the groundwater dynamic curve, adopted the b - j method and morte - carlo method, combined with the theory of changeable groundwater resources system, discussed the new view on the forecast of groundwater resources ; ( 5 ) synthetically analyzed the characteristics and limitations of the present all kind of groundwater manage model, combined mathematical programming mathematical statistics random process and the theory of variation system of groundwater resources on the unite optimum attempter of surface water and groundwater, emphasized how to make the model more nicety, more simple, more practicality ; ( 6 ) analyzed the inside condition and outside condition to assure the sustainable and optimum exploi tation of groundwater resources, the inside conditions are the follows : correct resources idea, scientific methods of resources calculation and evaluation, credible forecast methods of resources, exercisable measures of resources management, the outside conditions are the follows : the development idea of high layer, the transform of manage system, the matched policy and rule of law, the adjusted of economy lever, the improve of cultural diathesis, the boosting up of water - saving consciousness and detail measures, the control of population rising, the prevention and cure of water pollute, the renew and rebuild of ecology ; ( 7 ) scan the sustainable and optimum exploitation of groundwater resources from the high level of metagalaxy, earth system science, and philosophy ; lint out the more directions on groundwater resources

    基於以上考慮,論文主要從以下幾方面對地下水資源可持續開發問題進行了比較深入的探討:全面回顧了「可持續發展」概念的由來與演變,對國內外「可持續發展」的研究現狀進行了述評,並對「可持續發展」概念的科學內涵進行了深入探討;對涉及地下水資源的一些最基本的概念和命題進行了全面的回顧和評述,對目前仍然存在的一些錯誤觀點和混亂認識提出了自己的見解;全面闡述了地下水資源變值系統理論的內容和意義,並與傳統的地下水資源計算評價方法進行了對比分析,結合實例具體說明了方法的應用;深入分析了地下水資源預測預報工作的極端重要性和復雜性,對傳統的地下水資源動態預測方法進行了全面的評述,指出了各類預測預報方法的特點及適用條件,對最近二十多年剛發展起來的小波分析技術的主要思想和方法及其應用范圍,以及號稱第五代計算機語言的matlab軟體和附帶的小波分析工具箱進行了介紹,並應用於地下水動態過程線的分析,採用時間序列中的b ? j法,蒙特卡羅方法,與地下水資源變值系統理論相結合,探討了地下水動態資料分析和地下水資源預測預報的新思路;綜合分析了現今各類地下水管理模型的特點及缺陷,將數學規劃、數理統計、隨機過程等與地下水變值系統理論相結合進行地表水地下水或多水源的聯合優化調度,使模型更準確、更實用;對保證地下水資源可持續開發的內部條件和外部條件進行了分析,內部河海人學博卜學位論文前言、摘要、目錄條件主要是正確的資源觀,科學的資源計算與評價方法,可靠的資源預測預報技術,可操作的資源管理措施,外部條件主要是高層發展思路、管理體制的變革、配套的政策法規、經濟杠桿的調節、人文素質的提高、節水意識的增強及具體節水措施、人口增長的控制、水體污染的防治、生態的恢復和重建等;從宇宙科學、地球系統科學及哲學的高度審視地下水資源的可持續開發;指出了地下水資源可持續開發的進一步研究方向。
  4. Results of comparison indicate that although some oversea study of the transilient theory succeeded in a degree, if the transilient theory is to be used in model mm4, substantial improvement of the expression of the vertical mixing potential is necessary, or an empirical filter should be applied to ameliorate the result of forecasting

    比較的結果證明,非局地方法若要應用於實際預報,還需要作較大的改進,主要是針對決定過渡矩陣的非局地混合潛勢。目前的過渡矩陣表達方式使物理量在空間的分佈不合理地過于均勻,造成了降水量的減少。
  5. By this study, we believe that it can increase scientific and forecasting accuracy, it also extent the new application area for statistics

    通過這一研究,不僅可以提高預測方法的科學性與預測精度,而且可以開辟統計學與應用研究的新領域。
  6. This study samples 827 students for nine universities in wuhan city. the results show that : ( 1 ) the item characteristics of the scale are acceptable ; ( 2 ) the intetnal consistency reliability of the scale is reasonable ; ( 3 ) the distinction validity and forecasting validity of the scale are satisfying. therefore, the quality of the scale meets the requirement of psychological testing

    統計分析結果表明: ( 1 )大學生專業能力問卷的項目特性良好; ( 2 )大學生專業能力問卷具有較好的內部一致性信度; ( 3 )大學生專業能力問卷具有較好的區分效度,並對學業成績有一定的預測作用。
  7. A study on forecasting for time series based on wavelet analysis

    基於小波分解與重構的時間序列預測法
  8. Study of mid - to - long - term hydrological forecasting based on weather factors

    基於氣象因子的中長期水文預報方法研究
  9. Hydrometeorology is concerned with the study of these atmospheric processes which affect the water resources of the earth and which are of interest to the meteorologist and the hydrological engineer. measurements of rainfall and water loss as a result of evaporation are essential for various applications in connection with water resources planning, drainage design, water quality control, reservoir design and operation, irrigation as well as hydrological forecasting and flood control

    水文氣象的研究范圍包括所有影響地球水利資源而氣象學家和水文工程師又有共同興趣的大氣過程。量度雨量及因蒸發作用而引致水的損耗非常重要,所得結果可以應用於水利資源策劃、排水系統設計、水質控制、水塘設計和管理、灌溉、水文預報及防洪等。
  10. On the theory and method of farm hydrodynamics and hydrology and water resources system engineering, the paper covers three topics study about the techniques of farm draining ( topic one ), and soil moisture measuring and forecasting and drought preventing inforwaton system ( topic 2 ), and water resources optimal allocation ( topic 3 ), in the light of the flood and the drought and the shortage of water resources in the north of anhui province

    本論文採用農田水動力學、水文學、水資源系統工程的理論和方法,針對安徽淮北地區水旱災害頻繁和水資源緊缺現狀,進行了農田排水技術、墑情監測預報和抗旱減災信息系統和農灌區水資源優化配置技術等一體化研究。
  11. Then the paper investigated the regularity of different oil indices using time series statistical analysis method, which suggested that there are some regular components in it, including long - term secular trend, seasonal component and long - term cyclical component. the irregular component also plays an important part in it, mainly including the policy of opec, war, all kinds of international convention for the prevention of pollution from tankers and so on. and then a study of simulation and forecasting performance of arima time series model was conducted to crude oil indices, evidence shows that arima model performs better, especially for short - term forecasting

    在此基礎上,本文以時間序列分析作為基礎研究手段,以德國海運費率指數公布的1980年1月至1999年12月的四類油運費率指數為研究對象,分析了四類油運費率指數的長期變化趨勢、季節變化規律、長期周期循環變化規律和不規則變化規律,並應用arima時間序列模型對160000dwt以上的原油運費率指數進行了短期預測,取得了較好的預測效果。
  12. Study on the forecasting and detecting of the leakage of the water - supply pipe network system

    供水管網漏損的預測及檢漏的研究
  13. A study on the variation and forecasting models of groundwater level and draining waterlogging in cultivated soil layers in the jianghuai valley

    江淮流域地下水位變化規律及預報模型與耕作層排漬模型研究
  14. Study on the financial ratios selection in the financial distress forecasting

    財務危機預警中財務比率的選擇研究
  15. Study on the fuel loading forecasting models of pinus yunnanensis

    雲南松可燃物載量預測模型研究
  16. In this paper, we develop a single - product and single - period model ( a newsboy model ) with bayesian approach to study how the decision - maker in a seasonal goods production system to determine the production quantity and budget invested in demand forecasting

    本文經由模型推導,探討使用貝氏估計法之單期季節性商品生?系統(報童問題)應如何訂定生?計劃及需求預測投資預算。
  17. This paper firstly analyzed the character and setting forth of international dry and bulk cargo market, then according to the variety of cargo analyzed the transport volume on different routs. on the basis of them forecasting the transport volume of international bulk cargo, trying to find the the orderliness of international dry and bulk cargos market ; the following part study the scale and configuration of international dry and bulk fleet, and analyzed the actuality of cosbulk compare with it

    本文首先分析了國際干散貨航運市場的基本特徵和基本規律,並進一步根據不同的貨種、貨類分析了不同航線上運量狀況;並在此基礎上,對未來幾年的國際干散貨運量進行了預測,力圖尋找干散貨航運市場的發展趨勢;接著又研究了國際干散貨船隊的規模、結構等特徵,並將中散船隊現狀與之進行對照分析。
  18. Whereafter, based on the analysis on the flood influence for traffic lines, the research is centered on the following parts : firstly, the destroying modes, reasons and mechanism of flooded lines are discussed, and the frameworks and countermeasures of preventing and controlling hazards system are put forward ; secondly, the ways of region forecasting for the landslide are analyzed and the automation of landslide forecast for certain site through visual programming is realized. furthermore, the function of dynamic segmentation in arc view is made use of to realize the forecast result ' s visualization ; thirdly, the reasons and patterns of roadbed subsidence are discussed and the methods of forecasting subsidence based on the gm ( 1, 1 ) model are put forward. then the applications of the arcview software and its extended module on the study of roadbed subsidence are debates upon ; fourthly, an analysis on the sources of flood for traffic lines, which situate in the reservoir coverage area, is given

    接著,論文探討了山區交通線路災害的特點、分類、時間和空間分佈規律以及災害的防治原則和對策等;然後,以洪水災害對交通線路的毀壞為主線,重點研究和分析了以下幾個問題:第一,探討了洪水對交通線路的破壞方式,水毀原因以及水毀機理,並提出了交通線路水毀防禦系統框架和對策;第二,分析了雨季邊坡塌方災害的區段預測方法;通過可視化編程,編制了雨季邊坡塌方災害的工點預報程序,並結合arcview實現了預測結果的可視化;第三,對路基沉陷原因和模式進行了分析,並提出利用gm ( 1 , 1 )模型對路基沉陷區進行分析和預測,最後論述了arcview軟體及其擴展模塊在沉陷區研究分析中的應用;第四,對汛期庫區線路災害的原因進行了分析,並探討了利用數量化理論對路基防護工程抗洪能力進行預測的意義;第五,提出從風險的角度對交通線路的防災減災進行管理,對風險估計的相關問題進行了論述,並探討了交通線路水害危險區段的劃分問題。
  19. In the study of inbound tourism demand forecasting of qingdao, 5 - 8 - 1 and 3 - 25 - 3 ann structure is respectively adopted to establish tourism foreign exchange income forecasting model and the quantity of inbound tourists forecasting model, then the tourism foreign exchange income and the quantity of inbound tourists in 2003 - 200 & is forecasted

    在青島市入境旅遊需求預測分析研究中,分別採用5一8一1和3一25一3神經網路結構建立旅遊外匯收入預測模型與入境旅遊人數預測模型,預測了青島市2003一2008年旅遊外匯收入以及入境旅遊人數。
  20. So, launching the forecasting study on port logistics has very good realistic meanings, aiming at fact of domestic port

    因此針對我國港口物流的實際情況,對港口物流預測方法進行研究具有很好的現實意義。
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