積差分析 的英文怎麼說

中文拼音 [chāfēn]
積差分析 英文
covariance analysis
  • : Ⅰ動詞(積累) amass; store up; accumulate Ⅱ形容詞(長時間積累下來的) long standing; long pending...
  • : 差Ⅰ名詞1 (不相同; 不相合) difference; dissimilarity 2 (差錯) mistake 3 [數學] (差數) differ...
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • : Ⅰ動詞1. (分開; 散開) divide; separate 2. (分析) analyse; dissect; resolve Ⅱ名詞(姓氏) a surname
  1. Through the analysis on the discrepancy between the indexes of land use and landscape structure of both the periods, the change of the eco - environment caused by the causations of both the nature and the human activities is pointed out that the total area of the studying region is somewhat reduced ; the alkali - saline land therein is utilized for fishery breeding ; a part of the unused land and water area are basified ; the sorts of landscape are rich and uniform and serious fragmentations are locally occurred

    通過兩期土地利用及景觀結構指數之間的異性,指出由自然和人為原因引起的生態環境的變化:研究區總面有所減少,鹽堿地改良後用于了魚蝦養殖,部未利用地和水域鹽堿化,區域景觀類型豐富且均勻,局部破碎嚴重。
  2. On the basis of expound the theory of building exterior - protected construction energy consumption and the gene of influence the building energy, set up mathematics model, this article discuss the mechanism of dispelling the heat of the buildings " thermal bridge and the complication that influence it, and then synthetic analysis and calculate the influence range of building thermal bridge in exterior - protected construction column thermal bridge to the building outer wall get the conclusion that when the construction column can satisfy the building stress - area, in bulgy construction column dispel less heating than out bulgy construction column. but if the pole stuck out more than 100mm, in bulgy or out bulgy make no difference

    本文在闡述建築圍護結構耗熱原理以及影響建築能耗因子的基礎上,採用數值模擬方法,探討了建築熱橋傳熱的基本機理和影響建築熱橋傳熱的因素,進而對建築熱橋在圍護結構傳熱中的影響范圍進行了綜合和計算,研究了構造柱熱橋型式對建築外墻能耗的影響,得出了構造柱在滿足建築受力面要求的情況下,內凸構造柱較外凸構造柱略能減少散熱量的結論,但是凸出過大( 100mm )無論內凸還是外凸對建築耗熱都沒有大的別。
  3. The studies of plane heterogeneity are as follows : the text counts the parameters of the sandlayers " geometric shape of different sedimentous microfacies ; speculates the conditions of lateral communication by sandstone density according to the method brought forward by j. r. l. allen ; gets a group of parameters including the reservoir thickness, porosity and coefficient of permeability by using kriging method according to the data of logging results ; makes certain the direction of coefficient of permeability with variation function by modeling globosity function ; divides the sandlayers into five types by using the method of flowing cell based on three parameters, that is x h, kxh and h / h, and accounts the favorable region. on the base of above - mentioned studies, the text evaluates the heterogeneity of sandlayers and gives the resolutions to these problems to serve the development of the field

    Allen )等人提出的統計方法,用垂向上砂體密度的界限來推測砂體側向連通情況;根據每口井的測井解釋資料,利用克里金插值法對外間進行插值,得到了一組反映儲層特徵在平面上變化的參數,包括儲層厚度佈、孔隙度以及滲透率,並且成圖;利用變函數法,通過球狀函數模擬,確定儲層優勢滲透率方向:根據流動單元法,以儲能系數、容系數以及凈毛厚度比三個參數為依據,通過聚類方法進行流動單元劃,並且按照參數特徵將其為五類,統計各砂層有利流動單元區塊。
  4. 2 with the correlative analysis between the landuse structure and economic development, the main problems of landuse in youyang county are summarized as follows : ( l ) a large proportion of farmland are leanness, so the land quantity is bad ; ( 2 ) the forest vegetation is broken seriously, and the soil erosion is severe and the eco - environment is depravating ; ( 3 ) the number of land for water conservancy facilities is small ; ( 4 ) the proportion of town and transportation land is not accorded with landuse plan ; ( 5 ) land collocation is inconsequent ; ( 6 ) the land resources is plenty and a lot of land are not used but the land which can be opened up for farming

    2通過對酉陽縣土地利用現狀結構與經濟發展的相關,總結了酉陽縣土地利用存在的主要問題有以下幾點: ( 1 )中低產田比例大,土地質量; ( 2 )森林植被破壞嚴重,水土流失嚴重,生態環境惡化; ( 3 )水利設施用地較少; ( 4 )城鎮和交通建設用地欠賬大( 5 )土地資源配置不合理; ( 6 )土地資源總量豐富,未利用地面大,耕地后備資源不足。
  5. Presents a new method for fairing of curves which has a small flexibility based on fitting the derivative of second order of curves. we fit the derivative of second order of curves by a polynomial fitting, then find an indefinite integral of this polynomial to get a approach of curves. otherwise, we discuss the analyze of the error and the optimize of fairing to this arithmetic

    提出了一種針對小撓度曲線的逆向曲線光順演算法,該演算法直接擬合曲線型值點列的二階導數曲線,然後通過兩次來反求出光順后的曲線,並對該演算法的誤、效果、光順優化等問題進行了深入探討。
  6. Having analyzed preliminarily formation mechanism of these common characteristics of anomaly, it concludes that : these are results, controlled by basically united tectonic stress field of large - range, caused by stress - strain accumulation and certain phase strong earthquakes, according to deformation difference brought about in tectonic position along the boundary zone and within second - order faults of active blocks resulted from unstable and inharmonious features for movement of block system at different levels and deformation of boundary

    這些異常共性特徵的形成機制,初步認為:是在基本統一的大區域構造應力場控制下,不同層次塊體系統運動及其邊界帶變形的非平穩、非協調性,在活動地塊邊界地帶和地塊內部次級斷裂構造部位產生變形異而導致應力-應變累、孕育強震到一定階段的結果。
  7. The relations between relative measurementerror resulting from temperature and heat distensibility coefficient of coil ’ s framework andwindingcoilwerecarriedout. theinfluenceofelectromagnetisminterferenceontheaccuracyof rogowski coil, as well as the effect of temperature on integraph, were studied. somemeasures based on the above investigating results were proposed to insure the precision ofrogowski coil sensor head, such as the selection of materials and facture methods, improvment of technics and design of additional compensation

    利用建立的rogowski線圈的數學模型對溫度和外界干擾磁場的影響進行了,得出了溫度造成的相對誤與線圈骨架和繞組線圈熱膨脹系數之間的關系;從兩個方向上了干擾磁場對線圈精度的影響;了溫度對器的影響等。
  8. In chapter two, we consider full disceret scheme of mixed finite element methods for the following initial - value problems of linear integro - differential equations of parabolic in this chapter, we give the error analysis of this full discrete scheme and get optimal error estimates for the discrete solutions of u and p

    第二章討論下述線性拋物型方程初邊值問題混合有限元方法的后全離散格式。給出了該全離散格式的誤,得到了離散解逼近未知函數u以及伴隨速度p的關于空間和時間的最優階誤估計。
  9. By means of error analysis of recursion process of precise integration, it is found that the essential reason of obtaining the high precise numerical results of exponential matrix in the precise integration method is that the relative error of numerical computation is not enlarged in a whole recurrent process

    通過對精細法遞推過程的誤,發現該方法能獲得高精度數值結果的根本原因是:數值計算的相對誤不隨遞推過程的進行而擴散。
  10. First the baths of chemical deposition co - b and co - ni - p film was investigated using perpendicular method. then the influence of rare earth was studied

    採用正交化方法,通過極和回歸確定了化學沉co - ni - p磁性薄膜和co - b軟磁薄膜的工藝。
  11. In the course of modeling, we present multi - step generalized gradient method and multi - stage curve fitting technique, prove convergence of multi - step generalized gradient method by using differential equation stable theory, analyze the error of multi - stage curve fitting technique by using inner space, creat knowledge base of water network system by using the maximum subordinate principle of and near - select principle of pattern recognition. at last we make the optimal running scheme of water network system based on heuristic search technique of artificial intelligence and global feedback immediate coordination method of large scale system theory

    在建立系統模型的過程中,提出了多步廣義梯度法和多層曲線擬合的建模方法,並用微方程穩定性理論證明了多步廣度梯度法收斂性,用內空間的有關知識對多層曲線擬合進行誤;應用模糊數學中的最大隸屬度原則和模糊識別中的擇近原則和人工智慧中狀態空間表示法建立注水系統的知識庫;用人工智慧中的啟發式搜索技術和大系統理論中的具有全局反饋的直接協調法制定注水系統的優化運行方案。
  12. Step 1 : literature reviews on mental model and related contents to catch the profile about the topic. step 2 : questionnaires development on mental model, individual process factors, organizational process factors. coping strategies and organizational outputs, which are of high reliability and validity. step 3 : questionnaires administration in a few of corporations to obtain responses from more than 400 key informants

    通過探索性因素、驗證性因素、多因素方相關、交叉滯后相關法、多元回歸等手段對心智模式的內容結構以及它和個體過程因素、組織過程因素、外在行為效標之間的關系進行了系統的考察。
  13. Firstly, the paper, combining the characteristic of synchronous pulse bursts and inhibition with the modified pcnn model, presents a way of finding the foveation points in the images adaptively and effectively, and simulates the human vision system. secondly, pcnn is extended to pcnns, based on the properties of information couple and transmission, an algorithm that is used to fuse images of the same target got by several sensors to an image is presented to simulate the human vision system. thirdly, combining the properties of synchronous pulse bursts, capture, and transmission and competition of waves, the paper presents two ways of classification, one is an algorithm based on the properties of neuron to capture and inhibit to classify the data taking on any complex unlinear distribution robustly, the other is based on the restricted distance and modified of the former to remove the influence of inferior samples in classification ; fin ally, based on the accumulative difference pictures, and the forming and transmission of pcnn wave, selecting and controlling the direction of autowave by connecting the neighbouring neurons selectively, the paper presents a way to simulate the tracks of moving object and detect the moving direction

    首先結合pcnn的同步脈沖發放和側抑制特性,提出了基於改進型pcnn的圖像凹點檢測演算法,該演算法是一種自適應而有效的圖像凹點檢測方法,並且較好地模擬了人類視覺系統;然後,結合信息傳遞和信息耦合特性,將pcnn擴展成pcnns ( pcnn網路群) ,提出了一種基於pcnns的圖像融合演算法,能夠將多個傳感器獲取的同一目標的圖像信息融合到一幅圖像中,有效模擬了人類視覺系統;另外,結合pcnn的同步脈沖發放特性、捕獲特性和波的傳播競爭特性,開拓地將pcnn用於模式類中,提出了基於耦合神經元點火捕獲抑制特性的類方法和改進的約束距離下的pcnn類方法,前者可實現對樣本空間中任意復雜佈訓練樣本的穩健非線性類,而後者能夠消除訓練樣本中刺點對類的影響;最後,結合累圖像思想、 pcnn波的形成與傳播特性,通過各神經元之間連接取向來選擇與控制自動波的流向,將pcnn用於運動視覺中的運動軌跡模擬及運動方向檢測。
  14. Using the error analysis theory, location error accumulating is analyzed and the lms arithmetic to reduce the location error of the move - in - mud robot is put forward

    運用誤理論對拱泥機器人定位誤進行了,提出了利用lms演算法減小拱泥機器人的定位誤
  15. In this thesis, the calibration, laying and measuring error of the concentric capacitance fuel sensor are researched. and the major work is following : 1. taking the fuel entity of fully - filled airplane oil tank as studying object, the outhor calculates the central points of the section contours and the volume of the remnant fuel under the section height by means of numerical calculation

    本文研究了同心電容式油量傳感器的標定、敷設和誤的方法,主要工作如下: ( 1 )以飛機油箱滿載狀態下的油液實體為研究對象,用數值方法計算出實體模型各剖面的面中心點和各剖面高度下的油液體值。
  16. On the aspect of errors analysis of hrg, a brief introduction of the close - loop detection theory of hrg is present first. later the expressions of close - loop detection errors are deduced in theory. the impact of stimulating signals, turning speed, outside appended oscillation, the location & area of electrodes, and the current loss in capacitor is considered, and the primary analysis of error compensation is given

    在半球諧振陀螺誤方面,本文從半球諧振陀螺的閉環檢測原理出發,對半球諧振陀螺閉環檢測誤進行了和推導,考慮了激勵信號、轉動速率、外界附加振蕩、電極位置及極板面和電容傳感器等因素造成的陀螺誤並對誤補償進行初步
  17. The polysaccharide production were 37. 296mg / l and 12. 961mg / l. the best conditions for extracting polysaccharide from porphyridium purpureum were as follow : alcohol concentration was 75 %, alcohol volume was 2 - fold time, percolation time was 1h, the volume ratio of glycoprotein solution to sevag reagent was 1 : 2, time was 45min and sevag reagent was 3 : 1 between chloroform and butanol. the result also indicate that nahco3 and nh4cl were the best carbonic and nitrogen sources for polysaccharide respectively

    淡色紫球藻的最優提取工藝為乙醇濃度75 ,乙醇用量為2倍體,醇沉時間為1小時;氯仿與正丁醇的比例3 : 1 ,樣液與sevag試劑的比例1 : 2 ,作用時間為45min :由方可得五種碳源和五種氮源對胞外多糖的影響不顯著,添加碳酸氫鈉和摘要nhoci的多糖產率最高,別為41
  18. Deproteinized from crude polysaccharide by adopting sevag method. through orthogonal test, we found that the best constitution for extracting polysaccharide from porphyridium aerugineum 755 were as follow : alcohol concentration was 50 %, alcohol volume was 3 - fold time, percolation time was 1. 5h, the volume ratio of glycoprotein solution to sevag reagent was 1 : 2, time was 15min and sevag reagent was 4 : 1 between chloroform and butanol. the result also indicate that lactose and ( nh4 ) 2so4 were the best carbonic and nitrogen sources for polysaccharide respectively

    研究結果表明,三種紫球藻的最佳提取工藝各不相同,銅綠紫球藻的最優提取工藝為乙醇濃度50 ,乙醇用量為3倍體,醇沉時間為1 . 5小時;氯仿與正丁醇的比例4 : 1 ,樣液與sevag試劑的比例1 : 2 ,作用時間為15min ;由方可得五種碳源和五種氮源對胞外多糖的影響不顯著,其中添加乳糖和( nh _ 4 ) _ 2so _ 4的培養基多糖產率最高,別為37 . 296mg l和12 . 961mg l 。
  19. Finally the convection - dominated integro - differential equations of parabolic type are considered, the optimal error estimates for the unknown c and the adjoint flux p gained in the previous parts are still hold

    最後將此方法推廣用於求解對流占優的方程問題,誤表明離散格式對c , p也具有最優的逼近精度。
  20. Secondly, there was no negative age - related development in the function of wisdom, that is, on solving the real life problems, old adults performed as well as the young and middle - aged did. the reason is that multivariate analysis of variance ( manova ) showed that the main effect of age was not significant

    多元方的結果表明,青年人、中年人和老年人的整體智慧行為沒有顯著異,說明智慧是個體進入老年期后呈現極發展趨勢的心理功能之一,沒有出現如機械型認知功能那樣的負性年齡變化。
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