time series forecast 中文意思是什麼

time series forecast 解釋
時間系列預測
  • time : n 1 時，時間，時日，歲月。2 時候，時刻；期間；時節，季節；〈常pl 〉時期，年代，時代； 〈the time ...
  • series : n 〈sing pl 〉1 連續；系列。2 套；輯；叢刊；叢書。3 【生物學】區；族。4 【植物；植物學】輪；列；...
  • forecast : vt. （forecast, forecasted; forecast, forecasted） 預測；預報（天氣）。n. 預測；預報。 a weather forecast 天氣預報。
  1. We describe the meaning of chaos > future idea of chaotic theory and influence on forecast ; introduce the character of chaotic time series, and point out the problem and shortage of the methods already existed computing character value which are fractal dimension and the largest lyapunov exponent and improve on it ; present the forecast principle of forecast method based on chaotic attractor, and point out the shortage of local field forecast method based on chaotic attractor and bring forward improved on methodo at the same time, we put forward a banausic algorithm and compare two models using practical example

    論述了混飩的含義與混淪理論的未來觀及其對預測的影響；介紹了。混飩時間序列的特徵，指出了己有的計算分形維及最大李雅譜諾夫指數這兩個特徵量的方法存在的問題與不足，並對此進行了改進；給出了基於混飩吸引子的預測方法的預測原理，指出了常用的基於混燉吸引子預測的局域法的不足並給出了改進方法，同時，給出了其實用演算法，並用實例進行了比較。
  2. Simultaneously, the forecast theory and method of nonlinear time series is established, which combines mechanism of the time space system with analyzing historical data

    結合時空系統機制和歷史資料的分析，建立非線性時空序列預測理論與方法。
  3. This system adopts cumulatively autoregressive moving average model [ arima ] of time series method and modified model gm ( 1, 1 ) of grey system, makes a local load forecasting modeling through the integration of the above two models and also preprocesses the daily load during the sudden change of climate, thus greatly improving the forecast accuracy. the practical operation indicates that the model is reasonable and easy to operate with complete function

    本系統在經過反復試算后，在演算法上採用了時間序列法的累積式自回歸動平均模型（ arima ）與灰色系統中的gm （ 1 ， 1 ）改進模型，並將兩種模型組合用於該地區負荷預報建模，另外還對氣候急變日負荷進行了預處理，大大提高了預報準確度。
  4. In the study of quantitative forecast models, composition analysis for three different time series are firstly investigated by statistic test methods. the conclusions are as follows : there is no evident tendency for above three series, and evident periodicity exist only in precipitation series

    在定量預測模型研究中，先對三個不同系列進行時間系列的組成分析，結果表明：三個系列均無趨勢存在，降水量系列有明顯周期存在，但年最高潮位系列無周期。
  5. Water requirement forecast for rice from well irrigation on the basis of time series analysis method

    基於井灌區管道輸水系統的波涌灌技術
  6. Fig. 3 time series of surface wind, temperature, humidity, cloud cover and 3 - hourly accumulated rainfall forecast by 60 - km orsm

    圖3 60公里orsm的預報時間序列，包括：地面風氣溫濕度雲量及3小時累積雨量。
  7. Web - based two - dimensional and three - dimensional graphical products are generated to facilitate forecasters interpretation. model - extracted information is customized and packaged for optimal visualization, e. g. time - series forecast of surface wind, temperature, humidity, cloud cover and cumulative rainfall over hong kong

    為方便發出本地天氣預測，從模式抽出的預報資料，包括香港的地面風氣溫濕度雲量及累積雨量，更會整理成時間序列
  8. Considering the characteristic of vibration of rotary machines, this thesis makes a thorough discussion of forecasting the trend of vibration by a means of time series model, puts forward means of processing the nonstationarity, nonnormality and singular value of the field data and distinguishing their models to build a appropriate model and gets precise mulstep forecast to the trend of vibration

    針對旋轉機械的振動的特點，本文深入討論了利用時間序列模型預測振動趨勢的方法，並提出了如何處理現場數據的非平穩性，非正態性，奇異值和模型類型判別方法，以構建合適的模型，實現對振動趨勢進行準確的多步預測。
  9. 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。
  10. Based on this, the traditional model of time series analysis and gray system theory that is developed recently are established to forecast. and an exploring is carried out applying the function of step that the 3d - flac software offered. this will provide material of dynamic and timely landslide forecast for engineering practice and scientific research

    在此基礎上，本文運用傳統的時間序列分析方法和近年來發展起來的灰色系統理論建立了預測模型；並利用3d - flac軟體提供的時步（ step ）功能在研究庫岸滑坡的動態預報上做了探索。
  11. It uses factor analysis method and dualistic relative comparative method to account the ability place of a loan enterprise in its industry, which can confirm the station in its industry better. by using time series model to forecast an enterprise ' s cash flow in the future, we can measure the repayment ability of an enterprise. by using logit model to account the probability of default for a loan enterprise, we can estimate the possibility of its default

    運用因子分析法和二元相對比較法計算貸款企業在本行業中的財務能力排名，更好地確定其在本行業中的地位；運用時間序列模型預測企業未來的現金流量，從而測度貸款企業未來的還款能力；運用logit模型計算貸款企業的違約概率，估計其違約的可能性；從貸款企業的行業風險、經營風險、管理風險、借款人還款意願等方面對貸款企業的非財務因素進行分析。
  12. Ann based on trend identify and the application in hydrological time series forecast

    基於趨勢辨識理論的神經網路及其在水文時間序列預報中的應用
  13. In this paper, subjects mainly focused are as follows : to meet with the requirement of forward business and the establishment of mid - long term generation planning of hydroelectric plant, the yearly runoff and the monthly runoff are studied in this paper, providing many kinds models that suited to min - long term runoff forecast, including the time series analysis, the nearest neighbor bootstrap regressive model, the grey topological model, recession curve model, threshold auto regression, mean generating function, and ann model etc. the forecast result proves that these models are useful

    本文從以下幾方面進行了較為深入的研究： （ 1 ）為了滿足水電廠的期貨交易及編制水電站中長期發電計劃的需要，本文對年、月徑流預測進行了研究，提出了徑流中長期預測模型，包括：時間序列模型、最近鄰抽樣回歸模型、灰色拓撲預測、退水曲線模型、門限自回歸模型、均生函數模型及神經網路模型等，從預測成果來看，效果較好。
  14. 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。
  15. For the practice of the water supply system of three gorges project construction, this study set up a microcosmic hydraulic model. at the same time, it set up the forecast model by the analysis of time series in water consumption both by day and by hour. and finally, the study states an optimal decision mathematics model, which aims at making the least power consumption during the water supply

    針對三峽工程施工供水系統的實際，本文建立了供水系統的微觀水力分析模型；同時，採用時間序列分析方法建立了日用水量和時用水量預測模型；最後，建立了以總耗電量為最優目標的優化決策數學模型，並採用動態規劃方法進行模型的尋優計算。
  16. Taking 1951 ~ 2000 monthly rainfall data in the zhanjiang area as the time series and using the gaussian radial base function and a delayed input window chosen at 6, a new intelligent forecast system is developed based on radio basic function neural network ( rbfnn ) to predict monthly rainfall from 1991 to 2003

    摘要以湛江地區50年來的月降水量為時間序列，利用高斯徑向基函數，選擇輸入窗口（時滯）大小為6 ，建立了一種智能型的徑向基函數神經網路預測系統，並分別對1991 ~ 2000年和2001 ~ 2003年的月降水量進行了測試預報和獨立樣本預測。
  17. The maximum lyapunov index is a common used method in the chaos time series forecast

    最大lyapunov指數預測是混沌時間序列預測中一種常用方法。
  18. Mackey - glass ( mg ) chaotic time series is one of benchmark problems in nonlinear time series forecast, which is representative

    Mackey - glass （ mg ）混沌時間序列具有非線性特性，是時間序列預測問題中的基準問題之一，具有代表性。
  19. The method of time series forecast is one of the important parts of research on science, economy, engineering, and so on

    時間序列預測方法是科學、經濟、工程等領域的研究重點之一。
  20. This paper discusses the structure of time series forecast system, algorithm design and analytic method of results

    文中簡要介紹電信行業時間序列預測系統的結構設計，演算法設計以及預測結果的分析方法。
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