自回歸方程 的英文怎麼說
中文拼音 [zìhuíguīfāngchéng]
自回歸方程
英文
autoregression equation- 自 : Ⅰ代詞(自己) self; oneself; one s own Ⅱ副詞(自然;當然) certainly; of course; naturally; willin...
- 回 : 回構詞成分。
- 歸 : Ⅰ動詞1 (返回) return; go back to 2 (還給; 歸還) return sth to; give back to 3 (趨向或集中於...
- 方 : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
- 程 : 名詞1 (規章; 法式) rule; regulation 2 (進度; 程序) order; procedure 3 (路途; 一段路) journe...
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In this paper, the effects of fly ash, cement, lime, fine sands, foam agent, w / c ratio and additional agent on foamed concrete were studied by experiments, the best combination ratio of fly ash foamed concrete whose density varies from 551kg / m3 to 650kg / m3 was obtained through orthogonal test design, the foam agent quantity and the fly ash quantity effect the fly ash foamed concrete greatly, so the author selected them as independents to establish duality linear regression equations, the equations were quite ideal through the test of model summary r. moreover, the author also did some experiments about the water resistance of magnesium oxychloride cement fly ash foamed concrete, the outcome showed that phosphoric acid has good effect on water resistance, and its appropriate quantity was found
本文通過試驗研究了粉煤灰、水泥、石灰、細砂、發泡液、水灰比及外加劑對粉煤灰發泡混凝土性能的影響,採用正交設計試驗方法得出了600級粉煤灰發泡混凝土的最佳配合比,同時發現發泡液和粉煤灰摻量對發泡混凝土的影響最為顯著,因此,以二者為自變量建立了二元線性回歸方程,通過全相關系數的檢驗發現方程較為理想。此外,還對氯氧鎂水泥基粉煤灰發泡混凝土的耐水性進行了相關實驗,發現磷酸有較好的耐水性效果,同時找到了其合適的摻量范圍。For example, robert gorton ( 1970, 1975, 1978 ) estimated the american phillips curves under this assumption. due to the uncertainty of the estimates of phillips curves, the issue whether or not phillips curves can provide guidance for macroeconomic policy makers is now being argued
在這一章里,確定了通貨膨脹率序列的單位根過程,估計了通貨膨脹壓力的門限自回歸方程,證實了價格調整非對稱的存在,同時也證明了中國菲利普斯曲線的非對稱。Firstly established plural linear regression model to estimate the river runoff uninfluenced by human. compare with the record of hydrology examinition stations, then analyze the influence degree of human factors, namely the diference of the two river runoff account
通過多元回歸方程預測自然狀態下陜甘寧地區河川年徑流量,對比實測徑流量來分析人為因素對徑流量的影響程度。4. enterprise culture buffer analysis showed that only in a fair and independent variables, so as to the corporate culture of autonomy fair return equation, and individual acts of interaction
4 、企業文化的緩沖作用分析表明,只有在以自主公平做因變量時企業文化進入自主公平回歸方程,與個體行為發生了交互作用。On this basis, adopt the plural linear regression method, regard peasant ' s per capita income as the dependent variable, per capita agricultural land area, unit agricultural land area chemical fertilizer use amount, agriculture total value account for gdp proportion and land degradation the index data ( land degradation fictitious variable, land degradation percentage and land degradation the array variable of the degree ) as the independent variable
在此基礎上,採用多元線性回歸方法,以農民人均收入為因變量,人均農業用地面積、單位農業用地面積化肥使用量、第一產業總值佔gdp比例和土地退化指標(土地退化與否的虛擬變量、土地退化百分比和土地退化程度的序列變量)為自變量來分析。For the dynamic process of ship rolling movement, this paper analyses its dynamic date with time series analysis method and brings up this system ' s the most excellent autoregressive model ( ar model ) according to least aic criterion ( akaile, information criterion ). it reveals the regular pattern of ship rolling movement and forecasts the future value of roll angle and pitch angle, then transforms it to adjusting value of object and adjusting it according to appropriate control rules
對于船舶搖蕩運動這一動態過程,採用時間序列分析的方法,建立系統的自回歸模型( ar模型) ,並根據最小aic信息量判定準則保證建立的系統模型為最優化模型。利用參數模型的方式對船舶橫搖、縱搖運動的動態數據進行分析處理,揭示船舶搖蕩運動的規律,預測船舶橫搖角、縱搖角的未來值。The paper analyze many methods of water demand prediction which include many up to date methods and some in common use, and it bring forward some new combinatorial methods which can meet the need of optimization model in precision, such as season exponent, auto adapt filter, season exponent combined grey model, etc. based on the cost and time of modeling jt mainly study the macroscopic network model which describes the correlation between nodal pressures and water plant discharge
針對時用水量預測模型,採用季節指數法、自適應指數平滑法、季節指數聯合自適應過濾法、指數平滑聯合自回歸法、季節指數聯合灰色系統法等具體預測方法,其中數種方法預測精度達到工程要求。實踐結果表明,開發的聯合法效果較好。考慮到管網宏觀模型不但能描述整個管網的工作狀態,而且建模所需成本低,運行速度快,省時省力,主要研究了管網宏觀模型的建立方法,分析測壓點布置原理並編製程序。A important result is the one - orde r expression of ar ( p ) yt = dyt - 1 + e, from paralleling a high - order differential equation transformation into a one - order differential equation system, the one - order expression exposes that the ar ( p ) is only a certain more - multivariable power series process and, if a process is described as an ar ( p ), the sufficient and necessary condition is the spectrum norm a of the coefficient matrix d less than one. simplification of ar ( p ) not only brings about orthogonal f ( h ) but also provides global foretelling formula
作者用高階微分方程化一階微分方程組的方法,獲得多元弱平穩序列p階自回歸模型的一步滑動平均表達式,證明了ar ( p )的是一個更高維的冪級數的線性過程,從而,說明了ar ( p )關于序列依概率成立的充要條件是:該模型更高維的冪級數的線性過程的表達式中系數矩陣d的譜范數1 。In the last part, simultaneously analyzed three types of weak - form market efficiency tests - auto regression, run tests and variance ratio test for various data frequencies, perform the tests on both the shanghai and shenzhen markets for a period of more than six years
第三章中,本文運用自回歸、遊程檢驗和方差比檢驗三種模型分別對我國上海股票市場和深圳股票市場的弱式有效性進行分析。The one - way anova analysis and correlation analysis show that the factors such as country or town, family structure, family economic level, mother ' s education, mother ' s occupation, father ' s warmth and empathic relationship, mother ' s warmth and empathic relationship, mother ' s over - protection and over - interference and family communication have notable correlations with the self - efficacy of middle school students. multiple linear regression analysis shows that some external factors including mother ' s occupation, family structure and family economic level, some internal factors such as mother ' s warmth and empathic relationship, mother ' s severe punishment and family communication have notable influence on middle school students " self - efficacy. and family economic level may also influence self - efficacy by influencing mother ' s parenting style and family communication
單因素方差分析和相關分析表明,來自農村城市,家庭結構,家庭經濟狀況,母親文化程度,母親職業,父親溫暖理解、母親溫暖理解、母親過干涉過保護,家庭溝通等都與中學生自我效能感有顯著聯系;多因素逐步回歸分析表明,母親職業、家庭結構、家庭經濟狀況等外環境因素以及母親溫暖理解、母親懲罰嚴厲,家庭溝通等家庭內環境因素對中學生自我效能感有顯著的預測作用;其中家庭經濟狀況還可以通過對母親教養方式和家庭溝通的影響間接影響中學生自我效能感。This paper mainly deals with the multivariate bayesian inference theory used in the modern economical and management science. this includes the bayesian inference theory about three important kinds of linear models, including the single equation model, multiple equation model system and var ( p ) predictive model, and their application in economic forecasting and quality control, and also the design for the bayesian classification identification method among multiple populations
本文主要研究現代經濟管理中的多元貝葉斯推斷理論,包括單方程模型、多方程模型系統和向量自回歸var ( p )模型的貝葉斯推斷理論及其在經濟預測與質量控制中的應用,以及多總體的貝葉斯分類識別方法的構造。In this dissertation, the research trends for the problem have been introduced ; the ‘ dim ’ and ‘ point ’ has been strictly defined in mathematics from machine vision and human vision ; the ideal clutter suppression system based on clutter predication and the realization and evaluation of evaluation index has been studied, in succession the clutter suppression technologies have been researched. firstly, the classic nonparametric algorithm has been analyzed in detail and systematically, for it ’ s weakness that it cannot remove the non - stationary clutter ideally, kalman filter algorithm for clutter suppression in 2d image signal has been built. secondly, fast adaptive kalman filter is presented based on fast wide - sense stationary areas partition algorithm : limited combination and division algorithm based on quarti - tree algorithm, new taxis filter route algorithm which can break through the limitation of the necessity of pixel neighborhood of 2d filter and laplace data model with two parameters which is perfectly suitable for the residual image of kalman clutter suppression
首先分析了經典的非參數法,對於四種具有代表性的核,從前述的三個性能評價方面做了分析和對比,指出了其速度快的優點和對非平穩圖像適應性差的弱點,針對非參數法的弱點,重點研究了對非平穩圖像適應良好的卡爾曼雜波抑制技術:建立了非平穩圖像的類自回歸模型,在此基礎上建立了二維卡爾曼濾波基礎的兩個方程:狀態方程和測量方程;建立了非平穩圖像準平穩區域快速劃分演算法:基於四叉樹法的有限分裂合併演算法;二維空間的基於k排序的濾波路線演算法,突破了空域濾波路線上區域相鄰的限制;在這些研究的基礎上實現了快速卡爾曼估計,實驗驗證了該方法相對逐點卡爾曼估計可以提高運算速度三倍左右;雜波抑制結果表明傳統的高斯性檢驗並不適合卡爾曼估計后的殘余圖像,由此建立了殘余圖像的雙參數拉普拉斯模型,實驗表明其可以完好的吻合殘余圖像的概率密度曲線。It comes up with a new notion, d - solution, which is applied to the distance estimation, by virtue of hilbert space ; furthermore, the dissertation has gained a necessary condition which is identity of minimum mean - square value in linear function classes, so that d - solution extends minimum mean - square value within the domain of nonlinear function equation or equation system ; and, the dissertation studies in detail the classical moment estimation and maximal likelihood estimation on the parameters of ar ( p ), a series of theorems in the estimation section shows the moment estimators are consistent on the ground of large samples jikewise, those distribution functions of the estimated parameters accord to maximum likelihood estimation converge gauss distribution if the white noise is gaussan
首先,藉助hilbert空間理論,提出了距離估計的d -解,給出了d -解的必要條件,這個條件在線性函數類里即是極小二乘估計法, d -解的必要條件滿足的方程實質上將極小二乘估計法推廣到多函數及非線性函數類。再而,詳細地研究了多元弱平穩序列自回歸模型ar ( p )的參數經典的矩的替代估計和極大似然估計,獲得矩的替代估計的一致性的結果。對基於gauss白噪聲假設多元弱平穩序列自回歸模型的均值、白噪聲的協方差陣的極大似然估計都有依分佈收斂到多元正態分佈的統計性質。Then, we analyzed their correlation by using spss and educed four regression equations, which can help enterprises to choose the appropriate profit model
接著用spss統計軟體對二者的相關關系進行了分析,得出四條回歸方程,它們為企業正確選擇適合自身特點的盈利途徑提供了參考。A var model is used to study the effects of monetary shocks in the united states, the united kingdom, japan and korea, and to compare their monetary policy transmission mechanism. the results suggest that in developed market economy countries, monetary policy is mainly transmitted by price ( interest rate ) channel ; while in emerging market economies, the transmission mechanism is uncertain in the transformation process from quantity channel to price channel
運用矢量自回歸( var )分析方法,對英國、美國、日本和韓國等國貨幣政策傳導途徑進行了比較分析,認為在成熟的市場經濟國家,貨幣政策主要通過價格(利率)途徑傳導,而在新興市場經濟國家,貨幣政策傳導機制處于從數量渠道向價格渠道轉型過程中,具有較大的不確定性。Then, the default ratios of 45 st - companies are computed and 37 potential financial index are selected referred by researches on financial distress at home and abroad. finally, the equation of default ratio is produced by stepwise regression, and three of the basic problems in linear regression are considered well, that is case - wise diagnostics and auto - correlated errors, as well as collinear relationship and teteroskedastisity
隨后,利用該期權定價理論違約率模型計算出45家st公司的違約率,結合國內外有關財務預警研究成果,收集37個相關財務指標,運用逐步回歸法,通過剔除異常值、處理自相關、診斷共線性、檢驗異方差,建立有效回歸方程。The physical meaning of sensitive index for six worldwide representative models of crop response to water ( stewart a, jensen, minhas, blank, stewart band singh ) was analyzed based on multi - variable linear regression theory and was verified by a case study
結果表明,敏感指標是以作物水分響應模型所表達的統一回歸方程的偏回歸系數,反映回歸自變量(水分)對因變量(產量)的作用效應,故可度量作物對水分的敏感程度。This paper shows the linear model of time sequence and the arch model and finds that the garch model could describe the fluctuation of price in some degrees
文章給出了股票時間序列的線性模型和股票價格的自回歸條件異方差模型( arch ) ,發現garch族模型在一定程度上能夠描述股價的波動情況。In the multi - variables linear regression analysis, the 28d cube compressive strength is looked as function and the four factors of experiment is viewed as independent variables. the linear equation between compressive strength and four factors is concluded. the optimum regression equation is deduced by stepwise method
多元線性回歸分析中,以28d抗壓強度為函數,正交試驗中的四因素作為自變量,得出了抗壓強度與各因素之間的線性表達式,再經過逐步回歸法確定了最優回歸方程。First, the dynamics characteristics of the heat - exchanger unit is analyzed carefully by using the knowledge of the fluid dynamics and heat transfer etc., and makes some reasonable simplicities and assumptions. so it establishes the mathematical model of the working process of the heat - exchange unit, and applies the recurrence parameter estimator to identifying and proving
本文首先綜合應用流體力學、傳熱學等方面的知識,分析了換熱機組的動力學特性,通過合理的簡化和假設,建立了換熱機組工作過程的數學模型,並使用遞推參數辨識器對其主要參數加以估計和驗證,從而得到換熱機組的carma (受控的自回歸滑動平均)或carima (受控的自回歸積分滑動平均)模型。分享友人