數據預測方法 的英文怎麼說
中文拼音 [shǔjùyùcèfāngfǎ]
數據預測方法
英文
data prediction method- 數 : 數副詞(屢次) frequently; repeatedly
- 據 : 據Ⅰ動詞1 (占據) occupy; seize 2 (憑借; 依靠) rely on; depend on Ⅱ介詞(按照; 依據) according...
- 預 : Ⅰ副詞(預先; 事先) in advance; beforehand Ⅱ動詞(參與) take part in
- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 方 : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
- 法 : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
- 數據 : data; record; information
- 預測 : calculate; forecast; prognosis; divine; forecasting; foreshadowing; predetermination
- 方法 : method; means; way; technique; process; procedure; plan; device; recipe; fashion; tool; maneuver
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The s - l - e experiment data for the eight binary condensed systems of fatty alcohol / fatty acid were treated by using the improved equation, and the equation was examined with experimental data. at the same time, we used ideal model to predict the tenary s - l - e of n - octadecane / lauric acid / stearic acid system, and we got an accurate result of the simple eutectic temperature. the relative error is 0. 51 % comparing with the experimental result, so we will offer a method of prediction for quickly obtaining multicomponent system phase change materials this article calculated the pcms quantities and energy saving effect in theory, designed the experimental apparatus to measure the energy saving effect, and analyzed the temperature equalization action of the pcms by comparing experiment
利用這種方法,建立了適合醇-羧酸等系列二元體系的單參數margules方程,本文對醇-羧酸系列等8個二元凝聚體系的單參數margules方程的參數進行回歸,並利用整個實驗數據對模型進行了檢驗,另外,本文利用理想狀態模型對一個三元體系18烷-月桂酸-硬酯酸相圖進行預測,通過與實驗數據進行比較,預測的低共熔溫度與實驗測定溫度較為吻合,其相對誤差為0 . 51 ,這將為快速獲取多元體系的相變材料提供預測方法。The paper uses the methods of determining the nature and quantity. the sea coal quantity is forecasted by the index - smoothness method based the demand of the future coal market and distributed by the proportion of different transportation modes of the coal input areas and the economical principle, evaluate the capacity, the equipment and the facilities of the coal harbors, establish the evaluation model and index, and research the capacity and countermeasure of the coastal coal harbors based the forecast of the coal production and consumption market by the system principle
本項研究採用定性與定量向結合的方法;煤炭海運量預測以未來煤炭市場需求預測為依據,按照主要煤炭調入地區運輸方式的分配比例,並根據煤炭運輸的經濟性和合理性原則,採用指數平滑預測方法進行預測;對港口通過能力和設施、設備的利用情況進行定量評價,並建立相關的評價模型和評價指標。Secondly, introducing the image analyzing technology with reference to the disadvantages of the traditional ferr - graph analysis technology, and with the combination of characteristic parameter optimizing filtration so as to raise a description method of debris micro - morphologic character. thirdly, with the application of mode recognition method, completing the process of debris auto - recognition based on the collected information of the debris configuration characteristics ; and conducting the diagnosis on the aero - engine wear faults according to the theory of particle tribology. fourthly, introducing information fusion technology to solve the problem that a single method can not collect enough fault premonitory information to conduct the wear fault diagnosis, hence to conduct the research and exploration in the field of comprehensive diagnosis on the aero - engine ' s multi - fault premonitory information
本文的研究工作主要包括以下五個部分:首先,介紹航空發動機常見的磨損故障類型,研究磨損故障的失效機理,分析磨粒的產生機理、分類以及形態特徵:其次,針對傳統鐵譜分析技術的缺點,引入圖像分析技術,再結合特徵參數優化篩選,形成基於圖像的磨粒顯微形態學特徵描述方法:然後,基於提取到的磨粒形態特徵信息,應用模式識別方法完成磨粒自動識別,並根據顆粒摩擦學的基本原理進行航空發動機磨損故障的診斷與定位:再后,鑒于單一方法不能提取足夠的故障徵兆信息進行磨損故障診斷,本文引入信息融合技術,開展航空發動機多故障徵兆信息綜合診斷方法的研究與探索;最後,基於航空發動機滑油光譜分析與鐵譜分析數據,應用時序模型、灰色模型以及組合模型進行磨損故障的預測方法研究。Considered the present condition of liaoning province, the evaluation and prediction method of liaoning province bridge technique condition is analyzed, then bridge condition changed - contingency evaluated method is introduced, negative index curve is chosen as the regression analysis model of the bridge condition prediction, and based on the information of bridge management system in the liaoning highway, the parameters of model are calibrated, the average repaired life of bridge is also calculated, the definite method of the bridge ' s repaired year is given, at the same time the markov chain model of bridge condition prediction is presented
結合遼寧省的橋梁工程及管理具體情況,研究了遼寧省橋梁技術狀況評價與預測方法,引入橋梁缺損狀況變權評定方法,選擇負指數曲線作為橋梁缺損狀況預測的回歸分析模型,並依據遼寧省干線公路橋梁管理系統中的橋梁狀況信息,標定了模型的參數,計算橋梁中修及大修(或改建)的平均年限,給出橋梁大中修年份的確定方法,同時也建立了橋梁缺損狀況預測的馬爾可夫鏈概率模型。Based on the background above - mentioned, for enhancing the level of management on sar which is an international commonweal, this paper analyses the situation of guangzhou salvage, and research the management and assessment of sar. first, it explicate the meaning of sar and its main methods of scientific management, using the historical rescue data of 28 years of guangzhou salvage, and made analyses and forecast on the salvage by kinds of methods. second, with the aid of fussy comprehensive assessment, it made concrete analyses and evaluations on the rescue scope and rescue ability by expert investigation, statistics and analyses. it complete scientific deployment of the professional rescue establishment
正基於上述背景,為提高海上搜救這個不以盈利為目標的國際性公益事業的管理水平,本文以廣州海上救助打撈局海上搜救問題為對象,研究海上搜救管理及其能力評價,首先,闡述了海上搜救及其管理的主要方法,以廣州救撈局28年的歷史數據為基礎,用多種預測方法對海上搜救進行分析和預測;其次,通過專家調查、統計和分析,通過模糊綜合評判方法對所轄搜救水域和搜救能力進行具體的分析和評價,完成了專業搜救設施的科學部署;最後,為改進完善救撈體系,進一步提高搜救能力闡述了建議。Present methods generally based on the statistics of earthquake damage, expert experiences, theory analysis and experimental researches have obvious advantages, disadvantages and certain scopes of application ; ( 2 ) different prediction methods should be adopted against different building conditions, sites, intensity and experiences etc to predict earthquake damage of buildings for prospective accuracy, dependability and availability ; ( 3 ) earthquake damage matrix, which is the foundation of earthquake damage prediction, of 7 kinds of building in the urban areas of zhangzhou city under intensity 6 to 9 has been set up. the damage conditions of different buildings under different intensity are as followings : all kinds of structures are basically intact under intensity 6 ; the reinforced concrete structures are basically intact under intensity 7, but other kinds of structures are destroyed slightly ; the reinforced concrete structures are still basically intact while other kinds of structures are destroyed intermediately under intensity 8 ; the reinforced concrete structures are destroyed slightly, single - story factories and open houses are destroyed intermediately and other kinds of structures are destroyed seriously under intensity 9 ; ( 4 ) the results of earthquake damage predicting of buildings embody the damage when earthquake happens in the future. thus, further identifications and reinforcements should be considered to buildings that will be destroyed intermediately or more under the earthquake with 10 % exceeding probability in future 50 years ; ( 5 ) the direct economic losses caused by damage of buildings resting with the area, structural type, intensity and damage of all kinds of buildings are the main part of the losses of the city in an earthquake ; ( 6 ) the direct economic losses increased progressively toward high intensity by 2 or 3 times
基於上述研究,得出的主要結論有:建築物震害預測是一個模糊的、系統的、復雜的問題,現有的方法很多一般都是以震害統計規律、專家經驗、理論分析和試驗研究為依據,有其自身的優缺點和一定的適用范圍;應針對不同的建築物條件、場地條件、地震強度和已有經驗等,採用不同的預測方法進行建築物震害預測,以使預測結果達到預期的精確性、可靠性和可操作性;建立了漳州市區7類建築物在6度9度地震作用下的震害矩陣,成為指導抗震防災的重要依據,各類結構的震害情況表現為: 6度地震作用下各類建築物基本完好; 7度地震作用下除鋼筋混凝土結構基本完好外其餘以建築輕微破壞為主; 8度地震作用下鋼筋混凝土結構仍以基本完好為主而其餘建築以中等破壞為主; 9度地震作用下鋼筋混凝土結構以輕微破壞為主,單層工業廠房和空曠房屋以中等破壞為主,其餘建築以嚴重破壞為主;建築物的震害預測結果體現了未來地震來臨時的震害程度,在編制漳州市區抗震防災規劃時,對于遭遇50年超越概率10的地震影響發生中等以上破壞的建築物應考慮進行抗震鑒定和加固;由建築物的破壞所造成的直接經濟損失是城市地震經濟損失的主要部分,重慶大學碩士學位論文中文摘要其主要與建築物總面積、結構類型、地震烈度和各類建築物的震害程度有關;不同烈度造成的直接經濟損失按2一3倍向高烈度方向遞增,漳州市區直接經濟損失由6度至9度的比例關系為1 : 2 . 8 : 8 . 6 : 22 . 8 ;遭遇基本地震設防烈度( 7度)時,漳州市區直接經濟損失約4 . 5億元,無家可歸人員約40000人,且以磚木結構和多層磚混結構的震害損失最大;地震造成的人員傷亡主要與建築物倒塌及嚴重破壞的程度和總面積以及震時的建築物室內人數密切相關,地震時無家可歸人員主要與住宅倒塌、嚴重破壞及中等破壞的程度和總面積以及城市人均居住面積密切相關。By strengthening the construction of chinese heavy rain database, strengthening the study on radar mosaic, inverse technique and assimilation of detection data, a monitoring and nowcasting system of mesoscale heavy rain covering the whole changjiang valley is to be built
重點學科領域包括暴雨監測技術研究、暴雨形成機理和預測方法研究、暴雨預報應用研究和暴雨災害評估與對策研究等,同時開展中尺度暴雨外場監測試驗基地建設和中國暴雨(資料)數據庫建設。After analyzing the situation and influences of river shipping in jiangsu province, with qualitative and quantitative analysis methods, this paper forecasts the following contents, including the whole cargo transportation lord, the cargo transportation volume, the main bulk cargo volume and the main waterway volume in jiangsu. the final result is the theory basis of jiangsu river shipping strategy research
本文通過對江蘇省內河航運業發展的實際情況和影響因素分析,運用定性和定量的預測方法,對江蘇省未來內河貨運總量(貨運量、貨運周轉量)發展趨勢以及貨流情況做出預測,為江蘇省內河航運合理定位和發展戰略的制定提供必要的數據和理論依據。It is necessary to make more profound research in the field of settlement prediction. in this dissertation, on base of the existing work, the three - point method which is the mostly used method in the settlement prediction has been studied thoroughly firstly, which indicated and discussed the deficiency of the three - point method, and as a result an improved three - point method was put out ; secondly, by analyzing the characteristics of the process of the foundation settlement we put forward the model for predicting foundation settlement based on " law of massaction ". the predictive result was ideal as we applied it to the 3. rd coalfield project of wenzhou power plant and project of wenzhou peninsula, which shows that the model deserve use in much more projects
本文在對國內外關于地基沉降預測理論的研究進行綜述的基礎上,首先對工程中常用的三點法進行了細致深入的研究,指出以工程實測數據證明的現有三點法在應用時存在的不足,針對該不足進行了探討,並在此分析基礎上提出了預測結果更為理想的改進三點法;其次區別傳統沉降預測方法的研究途徑,本文從沉降過程的發展特徵出發,根據描述物化反應過程發展特徵的質量作用定律原理,探討了一種新的地基沉降預測方法:地基沉降預測的「質量作用定律」模型;本文還以溫州三期煤場工程及溫州淺灘圍塗促淤工程為背景,對上述改進三點法、地基沉降預測的「質量作用定律」模型的工程應用與傳統的預測方法進行了比較,認為這些方法是可行的,並得出一些有用結論。Various previous methods after the loading is constant are summarized and classified into two categories : semi - math methods and pure - math methods, the common and difference among these methods is discussed. then, by analyzing the characteristics of the process of the foundation settlement, the model for predicting foundation settlement based on " law of massaction " is put forward. this paper relies on the research of the section of the soft foundation of the shen zhen bay
本文總結了以往荷載穩定后的沉降預測方法,將其劃分為半數學方法與純數學方法,尋找各預測方法相互之間的聯系;其次區別于傳統沉降預測方法的研究途徑,從沉降過程的發展特徵出發,根據描述物理化學反應過程發展特徵的質量作用定律原理,探討了地基沉降預測的「質量作用定律」模型。Furthermore, by integral method, all test data at different aging temperatures can be analyzed as an integration, so the prediction precision of storage life can be increased with the same specimens, or specimens can be saved in the same precision by this method
而且,固體推進劑貯存壽命整體預測方法能將各個老化溫度下的固體推進劑試驗數據作為一個整體進行統計分析,具有更大的信息量,可以提高壽命預測精度或節省大量試樣。According to the case that the macrocosmic system is nonlinear and lack of testing data, the improved forecasting methods are proposed such as fuzzy exponential smoothing forecasting, center approaching gray prediction and the local multiple regression fuzzy ( lmrf ) model based on takagi - sugeno fuzzy logical system. these improved methods are applied into the forecasting instances. the prediction accuracy of the stimulation result is testified and the improved forecasting methods are proved much better than conventional forecasting methods
本文從宏觀角度和基於區域交通流小樣本數據的實際情況,提出了改進的模糊指數平滑預測和中心逼近式灰色預測方法,建立了基於takagi - sugeno模糊邏輯推理的局部多元回歸模型( lmrf模型) ,並進行了實例預測模擬,實例模擬結果表明改進的預測方法比傳統的預測方法精度提高了好多倍。The essay combines the fuzzy mathematic concept with time - series forecast method, and gets the forecast model of total social freight turnover based on improved time - series, hereby forecasts the total social freight turnover in 2006
摘要將模糊數學概念加入到時間序列預測方法中,得到了基於改進時間序列法的全社會貨物周轉量的預測模型,並據此預測了2006年的社會貨物周轉量。Yan xiangbin, li yijun, fan bo. similar problems in time series data mining. proceedings 2003 international conference on management science and engineering. 2003 : 382 - 385
閆相斌,李一軍,崔廣斌.事件預測的時間序列數據挖掘方法.計算機工程(已錄用)This paper studied a forecasting method of geological disaster in coal mine starting from the applied point of view, presented the principle diagram and relative software flowchart of data collection equipment
摘要從實用角度出發,研究了煤礦地質災害的預測方法,給出了數據採集裝置的原理框圖和相應的軟體流程圖。Firstly, the forecast problem based on vendor managed inventory ( vmi, for short ) model is talked about. according to inventory demand changing with season and some random factors existing in actual problem, a new algorithm composed of a random time series forecast method and gm ( 1, 1 ) is put forward, and a mathematic model is constructed to analyze history data. as a result, the precision of the requirement forecast is increased greatly
本文首先研究了供應商管理庫存( vendormanagedinventory ,簡稱vmi )模式下分散式庫存需求的預測方法,根據庫存需求數據具有季節性變化的特點,並考慮到這一變化的不確定性,採用基於隨機時間序列和灰度預測的組合預測演算法對問題進行建模,並在此基礎上進行分析預測,從而使數據擬合有很大程度的提高。The attenuation indexes of vertical direction components and level radial components of blast earthquake wave in the condition of far range are all larger than the one in the condition of close range. based on upwards analysises, relevant control ways and safety defending technology of blast vibration are given from the aspects of blast equipments, blast parameters, landform physiognomy, blast methods. and taking the practical data from blast scene as the sample, the blast shockproofness are forecasted by the feedforward nerve network model based on the prior knowledge of blast shockproofness, the regress analysis method and experience formula method, which supply the technology gist for
並且,以爆破現場的實測數據為樣本,採用基於爆破震動強度先驗知識的前饋網路神經模型、回歸分析法及經驗公式法分別對爆破震動強度進行了預測研究,為爆破施工參數的確定提供了技術依據,確保整個爆破工程順利安全進行,並對這三種方法的預測結果進行了對比分析;對比分析表明,三種預測方法計算出來的結果精度相差甚大,從檢驗樣本值與預測結果值之間的相對誤差可以看出,人工神經網路法預測的結果較其他方法更接近於實際值,回歸分析預測法的精度又要高於經驗公式預測法。Among these numerous prediction methods, bp neutral network methods is considered as the best one and applied prevalently, with high precision, good effect and feasibility. so this study chose bp to predict water demand in tangshan city of the programming year of 2010 year. because the original statistic data of water resources utilizing was about resident living and factory producing, water demand with bp method was just the two
對幾種典型需水量預測方法進行評析,在眾多預測方法中選擇應用最為廣泛、預測精度高、效果好的bp神經網路法預測規劃水平年2010年城市需水量,由於原始統計數據主要城市生活和工業用水, bp預測的也只是這兩部分用水量,對于農業用水則通過灌溉用水定額和灌溉面積計算,生態環境用水則是類比調查確定。In this research, fatigue life of laminate composite is predicted phenomenologically, dealing mainly with in - plane stresses without accounting for out - of - plane failures such as delamination. fatigue modulus is used as a physical parameter which helps to describe the basic fatigue behaviour of unidirectional laminates and obtain expressions for cumulative damages defined by strains. based on some typical fatigue test data for unidirectional composite laminates, a cumulative fatigue damage model is presented for predicting the fatigue life of multidirectional laminates with arbitrary stacking sequence under complicated fatigue loadings
本文以碳纖維/樹脂基t300 / qy8911層壓結構為研究對象,從唯象的觀點出發,以疲勞模量為參量構造損傷函數,基於幾組最典型的單向板疲勞試驗數據,建立單向板在多軸循環應力作用下的疲勞壽命模型,並以此為基礎,發展同種材料體系的任意鋪層形式的多向層壓板在復雜循環載荷作用下的疲勞壽命預測方法。Accordin g to historical data, it forecasts structure and amount of our textile industry investment in the tenth five - year plan, with mathematic method and gives the suggestions
在此基礎上對「十五」時期我國的紡織業發展進行展望,並根據歷史數據應用數學預測方法對「十五」紡織業投資做出了預測,提出了搞好「十五」投資的建議。分享友人