預測差值 的英文怎麼說
中文拼音 [yùcèchāzhí]
預測差值
英文
predicted difference- 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
- 差 : 差Ⅰ名詞1 (不相同; 不相合) difference; dissimilarity 2 (差錯) mistake 3 [數學] (差數) differ...
- 預測 : calculate; forecast; prognosis; divine; forecasting; foreshadowing; predetermination
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5. the osl dating of 37 samples of loess in weihe river basin by sar and multiple aliquot methods, indicates that sar protocol appears to be applicable to loess and appropriately correcting for sensitivity changes within the regenerated curves, however, there are major difference between the irsl and post - ir osl de determinations that suggest that sensitivity changes relating to either ( or both ) natural signals may not be correctly monitored
同時,用單片再生劑量法測小干3ha的黃土細顆粒樣品, slsl 、 irsl和post irosl測的年代在誤差范圍內基本相同,接近預估年代;對於3ha ? 10ha的黃土細顆粒樣品,一般post osl測的年代更接近預測值;對于大於10ha的樣品,一般irsl測的年代普遍太小,多數blsl年代也偏小,而p 。Based on xi ' an region meteorologic measurement relative humidity and temperature profile data in cloud cover, the log - amplitude scintillation deviation a, calculated in terms of the cn2 model compare with values predicted by means of ortgies model at 10 ~ 30ghz. it is shown that the c, 2 model can be applied at the continental climate area as xi ' an area. finally, on earth - space paths, by applying a modif
根據西安地區氣象觀測有雲覆蓋時溫度和濕度隨高度變化的數據,在10 30ghz ,應用該c _ n ~ 2模型計算了幅度閃爍標準偏差,也與ortgies模型預測值做了比較;表明該c _ n ~ 2模型是可用於象西安這樣的大陸型氣候地區。The pressure drop of the compound tray can be regarded as consisting of dry plate pressure drop, clear liquid resistance, liquid surface tension resistance, and packing pressure drop. the model that has established can fairly predict the pressure drop of the compound tray, the value calculated by the model compared with that detected by experiment is less than 20 %
復合塔板的壓降可認為由干板壓降、清液層阻力、填料層壓降和克服液體表面張力的壓降四部分組成,所建立的壓降計算模型,能較好地預測復合塔板的壓降,計算值與實驗值誤差在20以內,可用於工程設計。The methods for predicting foundation settlement in existence are always limited by the simplified presumptive conditions, which as a result causes the inconsistence between the calculated and the observed value
現有地基沉降預測方法受其假設條件與實際存在較大不符的限制,所得沉降預測結果往往與實測沉降值之間存在較大差異。( 2 ) the liman problem is normally adopted to check the liability of numerical method. the calculation error was within 9 % by comparison with the theoretic solutions of liman problem in the following case, the dimensionless calculation length was 2 with high pressure zone 0. 8, and the dimensionless state parameters were p1 = 2, p2 = 1, p1 = p2 = 1, u1 = u2 = 0. experiment results in literature [ 8 ] were used to check the adaptability of the numerical model developed here for unconfined gas cloud explosions and the calculation error was within 13 %
( 2 )數值方法的可靠性通常用黎曼問題的解析解檢驗,本文以無量綱計算區長度為2 ,高壓區長度為0 . 8 ,狀態參數為p _ 1 = 2 , p _ 2 = 1 , _ 1 = _ 2 = 1 , u _ 1 = u _ 2 = 0條件下的黎曼問題解析解對所編制的爆炸場計算程序進行了考核,結果表明該程序的計算誤差在9以內;為考核本文計算模型預測開敞空間氣雲爆炸的適用性,以文獻[ 8 ]的實驗數據進行了校核,計算誤差在13以內。Experimental results show that the pls model gains higher prediction accuracy with the mean prediction error 0. 2 octane number. 3
實驗結果表明pls模型在預測精度上優于mlr模型,其平均預測誤差0 . 2個辛烷值單位,完全可以滿足實際應用的需要。A composite 4 - th order adams - bashforth - moulton scheme is used to solve the equations. with this higher - order scheme, the accuracy of numerical computation results is well ensured
採用四階精度的abm預測-校正差分格式,基本滿足了高階boussinesq方程對數值格式的要求。Based on the back - analysis data of some excavation stage, through the non - linear finite element program nef, we can predict the tendency of next excavation stage. the relative error between calculation and measurement is controlled in 25 %, demonstrate the estimate prediction is successful
根據反演的某一階段的土體參數值,通過非線性有限元程序nfp ,預測后一階段的邊坡變形情況,實例中理論計算值與實測值的相對誤差控制在25 %以內,說明預測是成功的。53 maize standard samples diffuse reflectance spectra were collected from 4000cm - 1 ~ 10000cm - 1 at 8 cm - 1 resolution on perkin - elmer spectrum one nts near - infrared instrument at different energy level. 3 samples were scanned 10 times repeatedly at 100 %, 76 % and 34 % energy level for energy variance analysis
結果表明,隨著儀器能量降低,模型相對標準偏差( rsd )有增大趨勢,儀器相對能量從100衰減到18后,模型預測值rsd從2 . 5增至4 . 72 。However, the divergence of regional ecomomy divergence in henan province became more and more obvious from 1992 to 2002 and should be paid necessary attention. according to the statistical analysis of regional economy developmeht, especially in county level, with 127 county of henan province, this article discusses quantitatively and qualitatively the characteristics of dynamic variation and the spatial pattern of regional economic differences and relationship between growth rato of gdp per capital and economic differences from 1992 to 2002
本文以河南省的127個縣域為研究的區域單元,以計量統計分析為基礎,定性、定量描述了自1992年到2002年的縣際經濟差異,分析了縣際經濟差異格局特點,探討了縣際經濟差異的時間動態變化特徵,預測了未來發展階段的縣際經濟差異和2002年的人均gdp值,討論了人均gdp增長率與縣際經濟差異的關系。Based on the error theory of point measurement are the identifying of the error range set, sketch of the error ellipse, analysis on displacement of the monitoring sites and error detection, providing a fundamental theory infrastructure for dynamic assessment of surface displacement and gray prediction
根據點位測量的誤差理論,確定定誤差值域范圍,繪出誤差橢圓;對各監測點進行位移與誤差判別分析,為地表位移動態分析和灰色預測提供理論基礎。In this context, there will be the popular predictions again for the weak yen to lead to a devaluation of the rmb, thus putting pressure on the hong kong dollar, notwithstanding the fact that the mainland is still running a substantial balance of payments surplus
另一方面,盡管內地仍然錄得大的國際收支順差,但很多人仍會繼續預測日圓疲弱會促使人民幣貶值,因而對港元構成壓力。( 5 ) parameterization of infrared satellite cloud imagery and its application in rainfall predication obvious correlation exist between the probability of rain and parameterization estimate such as average brightness temperature ( tb ), brightness temperature variance ( f ), equivalent cloudage ( cn ), brightness temperature area index ( al - the first a5 - the fifth grade, a6 - the sixth grade )
( 5 )衛星雲圖參數化及在降雨預測中的應用紅外衛星雲圖參數化估計值,與局地降雨過程的發生、發展具有較為密切的關系。相關較密切的參數有平均亮溫、亮溫方差、等效雲量、亮溫面積指數( 1級、 5級、 6級) 。The error of the model value comparing to the experiment value is less than + 20 % and - 15 %
模型的預測值與實驗值的上偏差在20以內,負偏差在15以內。In the second place, it offers an forecasting analysis of gnp, detects the gap between gnp and the expected target and decides the best distribution plan of needed resources ( fixed capital investment and labor input ) to reach the expected object via objective programming
然後對國內生產總值進行了預測分析,從中找出與預期目標的差距;並運用目標規劃方法確定了為達到預期目標,使經濟可持續發展所需的資源(固定資產投資和勞動力投入)的最優分配方案。Moreover, the resulted prediction model of foam size of the closed cell aluminum foam was verified by comparison to the experimental results from the foaming process at different foaming conditions, and the predicted bubble diameter is in good agreement with the experimental ones, the relative error distributes between - 5. 04 % and 6. 32 %
當入射空氣的壓強、氣流量,液面高度,出氣孔直徑增大時,氣泡直徑隨之增大;當出氣孔數量,液體粘度增大時,氣泡直徑減小,表面張力對氣泡直徑的影響可以忽略不計;靜態條件下液體表面氣泡直徑的預測值和實驗測量值符合得較好,相對誤差分佈在- 5 . 04 % ~ 6 . 32 %之間。To make the prediction values with independence of the general trend, which is changed from year to year, the load data are transformed by profiles, mean value, and variance. sofm is used for the prediction of profiles and mlp networks for prediction of daily mean and daily variance. at a result, load forecasting for 24 hours in a day can be gotten
為使預測值不受負荷逐年變化這一趨勢的影響,把負荷數據變換為特徵、均值和方差的形式,利用白組織競爭網路預測負荷的特徵,然後利用多層感知器網路預測負荷的日均值和方差,最終實現對一大24小時負荷的預測。In this study the penman discussed the complicated framework of the maize price, and particularly studied the main four parts : producing cost, circulating exes, margins, and taxes ; the factors that affect maize price are policies of government, value of money, supply and demand, system price difference, substitutions and etc ; some single and integrated modes of maize price forming are designed, and having forecasted the 2000 price of maize
本文的主要內容是: ( 1 )現行玉米價格體系龐大復雜,其構成分生產成本、流通費用、利潤、稅金四個部分。 ( 2 )玉米價格形成受多種因素影響,主要是國家政策、貨幣價值、供求關系、差價體系、比價體系以及替代品和其他相關產品。 ( 3 )建立了玉米價格預測的單個和綜合模型,對2000年價格進行預測。The author insists that the proposition on bmp contains numberous precondictions, the reference values of the qulitative papers are limited as they cannot answere exactly what on earth the bmp is. so this dissertation systematically studied the bmp of china according to the clue of monetary supply which is the immediate target of monetary policy. of course, the stress is to attempt to apply the newest econometric approaches, such as impulse response function and cointegration test, to develop the topic on bmp to a new regime and draw some valuable conclusions
因此,本文在國內外學者已有的研究基礎上,以我國貨幣政策的中介目標? ?貨幣供應量為線索,就有關我國貨幣政策的宏觀調控效果進行了系統的理論與實證研究,重點是應用國外時間序列經濟計量學的最新研究成果,如脈沖響應函數、預測方差分解模型等進行探索性地定量分析,並得出有價值的實證結論。An atmosphere structure constant cn2 model, which varies with height, is presented based on itu - r amplitude scintillation model, existing itu - r optical cn2 model and meteorologic measurement relative humidity and temperature profile data, at 10 ~ 30ghz. the log - amplitude scintillation deviation calculated in terms of the cn2 model based on humidity and temperature vertical profile compare with values predicted by means of itu - r and ortgies model. it is emerged that the calculation results based on the cn2 model agree almost with prediction results by itu - r and ortgies model at 10 ~ 30ghz and there is an advantage that relative humidity and temperature varied with height has be considered in the cn2 model
根據光波段的itu - rc _ n ~ 2模型, itu - r幅度閃爍標準偏差模型,和溫度和相對濕度隨高度變化的氣象數據,在10 30ghz ,分析得到了大氣結構常數c _ n ~ 2隨高度變化的模型;並根據溫度和濕度垂直分佈數據計算了對數幅度閃爍_ x ,還與itu - r和ortgies模型的預測結果進行了比較,結果表明,在10 30ghz ,用該c _ n ~ 2模型計算的結果和用itu - r及ortgies模型預測的值符合較好,且在用c _ n ~ 2模型計算時考慮了溫度和相對濕度隨高度變化關系。分享友人