time forecast 中文意思是什麼
time forecast
解釋
時間序列方法的案例練習-
In our efforts to make forecasts for the quantity demand of auto car within the period of the next five years, three methods such as gray forecast, econometrics equation set and time - trend forecast are used. since the results of these three methods are very close, they may be reliable and used as reference for auto car industry
在對未來五年轎車需求量的預測中，利用灰色預測、經濟計量方程組和時間趨勢預測三種方法分別對2000年和2005年的轎車需求量進行預測，三種方法的預測值非常接近，預測結果應有一定的借鑒意義。 -
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。 -
We discuss the forecast method which based on wavelet neural networks by combining good time and frequency local analysis ability which wavelet analysis possesses with learning ability which neural networks possesses, and bring forward a frondose, banausic algorithm in this dissertation0 also, a essential thinking of combined forecast based on wavelet neural networks is described and a essential trait of combined forecast based on wavelet neural networks is pointed out
結合小波分析所具有的良好的時頻局部化分析能力和神經網路所具有的學習能力，討論了小波神經網路預測方法，並給出了其具體、實用的演算法。文中還描述了基於小波神經網路組合預測的基本思想，指出了利用小波神經網路進行非線性組合預測的特點。 -
The research of this paper includes three parts : the first, according to the statistical figures about the cargo transport in recent years, it analyzes cargo transport structure and the changing law and the internal reason of cargo transport. at the same time it analyzes and calculates the change of the arriving ships " structure for a systematic and full understand of the transport demands. the second, it make a scientific forecast of the port ' s future cargo capacity making use of the grey forecast system, which provides scientific basis for medium - long term development plan of the port ' s cargo handling capacity
本文研究的工作主要分三個部分：第一，根據張家港近年來有關貨物運輸的一些統計數據，對貨物運輸的結構和規模演變的規律及內在原因作一剖析，同時對到港船舶的結構變化進行預測，以求對運輸需求有一個系統全面的了解；第二，應用灰色預測系統對張家港港未來港口貨運吞吐量進行科學預測，為張家港港貨物裝卸能力規劃提供科學依據；應用物元分析技術對張家港港口的未來發展前景作出一定程度的分析、研究，找出張家港港口未來發展規劃的零散無序、不成系統的因素，總結前人經驗的基礎上採用綜合評判物元模型進行評判，在預測港口未來發展規劃是否科學實際上具有獨到見解。 -
A graph of prices, volume and open interest for a specified time period used by the chartist to forecast market trends
由製表人用特定時期的價格、交易量、未平倉權益組成的圖表來預測市場趨勢。 -
Inference forecast on oviposition time of overwintered corn borer based on multiple and complex fuzzy implication
基於多重復合模糊蘊涵的玉米螟產卵期推理預測 -
We deduce frondose algorithm of three layers bp neural networks which is used in common, and discuss several important issues in designing neural networks which is used to forecast, for example, number of hidden layer, nerve cell number of hidden layer, epoch of learning, embryonic power value, decision of node number about input and outputo at the same time, this dissertation sums up things that conventional bp algorithm is improved on considering disadvantages of it
3推導了常用的三層bp神經網路具體演算法，討論了實際預測應用中神經網路設計方面的幾個重要問題，如隱層數、隱層神經元數、訓練次數、初始權值、輸入節點數以及輸出節點數的確定。同時，針對傳統bp演算法存在的各種各樣的缺點，文中綜述了對其改進的情況。 -
With increasing of craft system ' s performance and complex of machinery in recent period, it is important content and purser of ship technical management that master craft system ' s state and diagnoses the fault and forecast latent fault in time
隨著現代船舶系統的日趨高性能化和結構復雜化，出於安全保障和經濟效益的考慮，及時準確和動態地掌握船舶系統的運行狀態以及預測、診斷潛在和存在的故障，成為船舶技術管理的重要內容和追求的目標。 -
So as the enter point of the stream, the income of the reservoir, the time of the flood peak lasted, the quantity of sandiness income and the strobe of the darn. we must do some work to forecast and watch the different density stream. by experiments, we made out that it is impo rtant for us to reduce the water lever in work of the river belongs lots of sandiness
從異重流試驗看，在正常運用下，水庫產生泥沙異重流的機率較大，能否運動到壩前排出庫外，還要看異重流潛入點位置、入庫流量、洪峰歷時、入庫含沙量、水庫閘門運用等因素，需要做好異重流預報監測工作。 -
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。 -
After generalizing the characteristic of modern equipment, the mission of equipment management and general situation of chinese equipment management, basied on two forms of equipment management - - - - - - practicality & value, the author combined quantitative & qualitative methods with example to analyze and discuss questions, especially the reasonable update & depreciation, accordingly achieving the optimization of the technical efficiency & economic benefit 0 one of emphases of the thesis is methods application of equipment reasonable update, that is starting with economic benefit to looking for reasonable using fixed number of year. the thesis used inferior - converted numeric method and rate equation which based on the theory square and combined with harbor loading machines & tugboat ' s actual facts, calculated the economic life of the same machine in order to make sure harbor machines " reasonable using fixed number of year. at the same time, the author made use of midpoint value regress method and stochastic trapeziform forecast method to calculate and analyze and gain the reasonable conclusion o the other emphases is questions of harbor equipment
本文概括介紹了現代設備的特點、設備管理的任務以及我國設備管理發展的概況后，作者從設備經濟管理的兩種形態? ?實物形態和價值形態出發，採取定量與定性相結合，以定量為主，結合實例進行分析與論述，對港口設備的合理更新與折舊問題進行了著重研究，從而實現設備的技術效能和經濟效益的最優化。本文研究的重點之一是設備合理更新的方法應用，即從經濟效益出發，來尋求設備的合理使用年限。本文結合港口裝卸機械和港作拖輪的實際，運用以正方形理論為基礎的低劣化數值法和費用方程兩種方法，計算了同一種機械設備的經濟壽命，從而確定港機合理的使用年限，同時，運用了中點值回歸法和隨機梯形預測法進行計算和分析，得到了合理的結論。 -
His long - term forecast, despite the uncertainties, portrays a distant time when the world ' s continents come together again to form a new supercontinent, which he calls pangea ultima
他的長期預測，盡管充滿不確定性，呈現遙遠的未來世界的大陸板塊會再聚合，形成新超級大陸，他稱之為終極盤古大陸。 -
Although the accuracy in meterological forecast of tropical cyclones has been distinctly improved, it is still a difficult problem confronting masters and anti - typhoon team leaders of the companies how to steer clear of typhoon reasonably and safely in case that the actual resistance to typhoon is strong enough, the sea area wide enough, and the time permitting ; to avoid unreasonable deviation, anchoring for shelter, blindly rushing onto her path, being involved in storm area, even into the the center of typhoon ; under the limitation of the condition of the sea area and time. how to take correct meassures to escape, such as navigating with wind or windward in bias angle, slowing down, anchoring, berthing alongside the warf, mooring to buoy, etc. as early as possible
盡管氣象部門對熱帶氣旋監測預報的準確率已經比過去有了明顯的提高，然而船舶在海上如何避離臺風，如何做到在本船實際抗風能力允許、海域條件允許、時間也充裕的前提下合理避臺，安全避臺，避免不合理的繞航、 「扎風」 ，避免盲目冒進「搶風頭」 ，更避免被捲入強風區甚至臺風中心；在海域條件受限、時間尷尬的情況下又如何正確採取偏順航、偏頂航、滯航、錨泊、系岸、系浮等抗臺措施和技術，盡快擺脫臺風的影響，仍然是擺在船長和公司防抗臺領導小組面前的一個實實在在的難題。 -
Researches on the usage of markov process in short - time forecast of japanese yen
論馬氏鏈分析方法在匯率短期預測中的應用 -
Several key techniques of carving and milling machine cnc system are deeply studied they include : the transformation, data rebuild and interface design of huge volume nc program produced by cam ; the algorithm of cubic parametric spline pre _ interpolation and high speed real time interpolation in the cnc system, which. will gain a much higher surface precision and cutting speed ; methodology and algorithm of movement velocity acceleration control on a real time forecast _ and _ prejudge basis is designed. therefore, a smooth movement is insured. the shake and noise problem caused by non _ uniform pules for driving stepping or servo motor is solved by an improving algorithm to generate uniform pules
同時，本文對基於統一的pc平臺的雕銑機數控系統中的幾項關鍵技術進行了深入的研究，包括： cam生成加工程序的傳送、接收、讀取及其加工鏈表的生成和實時重構；對cam生成的離散數據進行三次參數樣條插值和基於累加弦長的三次參數樣條插補控制，保證加工工件表面的精度和光順性；設計具有「前瞻」功能的自動升降速控制方法，保證加工過程的平穩性；通過脈沖均勻化，有效地解決加工過程中因為脈沖不均勻而引起的震動問題。 -
2 ) we can do it by applying the dcf model and earning income scheme. second ly, whereas these theories are applied very well abroad, i will discuss the practicability of these theories when we use in chinese stock market, then i will draw a conclusion that there is some localization when these theories are applied in chinese stock market. finally, by studying the markov process, we can see the equity risk premium data which are derived from chinese stock market have characteristic of markov process, so i will establish the model based on the markov process and make a short time forecast about chinese equity risk premium
我們首先對諸多國外理論工作者在這方面的研究做一次總體的介紹與分析，國外的理論工作者在研究股權風險溢價，可以分為兩大類：一是運用歷史數據估計未來股票市場的業績；二是以運用dcf模型或收入收益方案為基礎進行的研究工作；其次，鑒于上述理論在國外良好的實用性，我們進一步討論這些國外的理論在研究中國股票市場股權風險溢價時的實用性，並得出這些理論應用於中國股票市場的局限性；最後，通過對馬氏鏈的研究得出中國股票市場上的股權風險溢價的樣本數據同樣滿足馬氏鏈的特徵，本文建立了基於馬氏鏈的股權風險溢價模型。 -
Research on real - time forecast model of irrigation schedule in irrigation districts
灌區實時灌溉預報模型研究 -
Secondly, a real - time forecast model of irrigation schedule is obtained at irrigation district scale, taking into account the spatial variability
（ 2 ）構建了考慮空間變異性的灌區尺度的實時灌溉預報模型。 -
A real - time forecast model of irrigation schedule verified with the real - time data is established, incorporating suitable methods of monitoring soil moisture and predicting soil water for region
將提出的墑情監測方法及區域土壤水分預報方法，應用於構建整個灌區的實時灌溉預報模型之中，並在灌溉預報過程中進行實時修正。 -
In the dissertation, the problems of the current irrigation forecasting models and methods are put forward. considering spatial variation in soils, a real - time forecast model of irrigation schedule at irrigated area scale is studied, so as to provide an approach for the more suitable decision support system of irrigation forecast and water management system
本文針對國內外現有的灌溉預報方法和模型存在的問題，考慮灌區土壤墑情空間變異特性，對灌區尺度的實時灌溉預報模型進行了研究，旨在提出適合我國灌區情況的灌溉預報決策支持系統和現代化灌區用水管理系統的實時灌溉預報方法。
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