誤差分散 的英文怎麼說

中文拼音 [chāfēnsǎn]
誤差分散 英文
error variance
  • : Ⅰ名詞(錯誤) mistake; error Ⅱ動詞1 (弄錯) mistake; misunderstand 2 (耽誤) miss 3 (使受損害...
  • : 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
  • : 散動詞1. (由聚集而分離) break up; disperse 2. (散布) distribute; disseminate; give out 3. (排除) dispel; let out
  • 誤差 : error
  1. The model of the itr between a1n and cu is built by using the acoustic mismatch model, amm and diffuse mismatch model, dmm. because there is a limit of roughness and temperature in amm and dmm, the data of the theory model that is directly built by amm and dmm is far from the experimental data. accordingly, with dmm and traditionary methods, the mathematics model is posed by contrast and analyses of the experiment data

    由於聲失配理論和聲失配理論對溫度和粗糙度有很嚴格的要求,所以直接建模所得的理論數據與實驗數據有很大的距,本文採用聲失配理論與傳統研究方法相結合,通過與實驗數據的析擬合,提出了修正的數學模型,預測有了大幅度的提高。
  2. Testing on rock sample data in dispersed shaly sands it shows that adding another parameter ( n ) to the model can decrease the relative error of fitted co. however, when we consider the difference of electrical properties between clay - bound water and formation water in the model, although another parameter ( qv ) is added to the model, the relative error of fitted co is increased slightly

    通過一組泥質砂巖巖樣實驗測量數據的計算。表明模型中增加參數n ( m n )可以使擬合的c _ t的相對減小,但在考慮粘土結合水與地層水導電性別時,模型中雖多加一個參數q _ v ,卻沒有減小擬合的c _ t的相對
  3. Method of deal with data error by subsection curve fitting and discrete degree

    段曲線擬合與離度加權的數據處理方法
  4. The origins of dispersion error are analyzed ; effects of initial velocity dispersion, ballistic coefficient dispersion, drift coefficient dispersion, range wind & cross wind dispersion on the ballistic dispersion are discussed

    析了的起源,討論了初速布、射角布、彈道系數布、偏流布、縱橫風布對密集度的影響。
  5. Halftone watermarking algorithm by threshold - altered error diffusion

    基於變閾值量化誤差分散的半調水印演算法
  6. Based on the method expressing the positional uncertainty of point entities in surveying and mapping, uncertainty ellipse was employed to characterize the uncertainty region for the error dispersal of 2d target ' s position, and uncertainty ellipsoid for the 3d target. 1 - uncertainty ellipse was derived from positional error covariance

    借鑒測繪學科中衡量點元位置不確定性的方法,別用橢圓和橢球來表示二維目標和三維目標的位置布的不確定性區域。
  7. The standard error of estimate, on the other hand, measures the variability, or scatter, of the observed values around the regression line.

    而估計值的平均,卻是度量觀察值圍繞著回歸直線的變化程度或程度。
  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積方程初邊值問題混合有限元方法的后全離格式。給出了該全離格式的析,得到了離解逼近未知函數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

    通過對精細積法遞推過程的析,發現該方法能獲得高精度數值結果的根本原因是:數值計算的相對不隨遞推過程的進行而擴
  10. The error diffusion algorithm, first introduced by fioyd and steinberg, requires neighborhood operations. lt is currentiy the most popuiar neighborhood halftoning process. the dithering algorithm, which has been used in era2000 system, is able to prov

    誤差分散演算法是山fioyd和steinberg首先提出的,它採用的是鄰域操作,是目前最流行的鄰域半色調處理演算法。
  11. For the methods based on constraint residual, they can be used to only tell which node is imbalance but cannot identify where the gross error is. in order to avoid these problems, this thesis proposed a new test method. the new method combines an f - statistic with constraint residual statistic to detect gross errors in steady state processes

    這種方法即避免了基於測量殘的檢測方法會將顯著誤差分散到各個測量值中去的缺陷;又避免了基於約束殘的檢測方法只能對節點的平衡性進行判斷,而無法確定顯著的具體發生位置的缺陷。
  12. As not to need linearization, its advantage is to take all the influence of reflection wave travel time in each layer to the whole crustal model into account, and consider the error distribution of observed data at the same time

    其優點是在不需要把問題線性化過程的同時,統一考慮了各層反射波走時的離對整個地殼模型的影響,又可兼顧觀測數據的不同佈。
  13. The implement of direction finding cross location and errors analysis are on the focus. the multi - warships bearings - only tracking algorithm based on direction finding cross location and distributed multi - warships bearings - only tracking are also presented. ( 6 ) the observation prerequisite of single warship bearings - only tracking is analyzed, and optimal maneuver of the observer warship is discussed

    5研究了多艦純方位跟蹤的演算法,把多艦純方位跟蹤成集中式跟蹤和式跟蹤兩類,並別進行了析比較,重點研究了測向交叉定位法的實現及析,給出了基於測向交叉定位的多艦對運動輻射源的跟蹤演算法和基於信息融合的多艦純方位式跟蹤演算法。
  14. With respect to the registration of multi - view range images, a relaxation strategy is introduced to spread evenly the accumulated registration errors among all views, with the assumption that the pairwise registrations are nearly good. 3

    基於虛擬點對約束的概念,我們提出了一種積累演算法,其基本思想是在盡量保證局部配準結果的前提下,使累積在各距離像間均勻佈。
  15. The dual standard quantity ( the work piece and the discrete standard quantity ) mutual measuring and model verification methods are also proposed, which perfects the whole modifying process from data measuring, error separation, model establishment to real correction. after researching the discrete standard quantity system dynamic error separation technique, two error correction methods based on genetic algorithm and neural network mixed modeling technique are established. the two methods are the discrete standard quantity dynamic error direct / synchronous correction and prediction model correction ; the model ' s parameters and model ' s exercising method are also confirmed

    設計了雙標準量值(工件和離標準量)互比測量的模型驗證方法,完善了從數據測量、離、模型建立到實際修正的整個修正過程;研究了離標準量系統動態離技術,建立了基於遺傳進化演算法與神經網路混合建模技術的兩種修正方法? ?離標準量動態直接(同步)修正方法和預報模型修正方法,並確定了模型結構參數和模型訓練方法;析了預報模型的多次預報性質,並得出了多次預報與多步預報的等效關系,確定了測量系統的有效預報范圍以及模型參數對泛化的影響;進行了模型的對比實驗驗證和被測工件動態修正試驗,成功地實現了任意二面角和圓度的實時修正。
  16. The main process of the method is : after the converged solution for a certain layer of grid is obtained, all elements that are required to be refined based on error analysis are automatically found and output. as the distribution of the elements to be refined is often discrete and irregular, regular square blocks consisting of elements to be refined need to be manually built and input to the computer. the computation for the refined layer grid is then carried out and the procedure is repeated until the final convergence criterion is satisfied

    該方法的特點是:當某一層次網格取得收斂解后,程序根據析自動判別並輸出該層次網格內需加密的單元,由於需加密單元的佈一般較為離和不規則,因此通過人工介入對這些單元進行組塊並輸入到計算機,程序便開始進行下一層次網格的迭代計算,直至得到滿足最終收斂判據的解。
  17. Study of radiation balance on the yellow river different radiation factors were established in different temporal and spatial scales. through error analysis, the optimized parameters were confirmed. area net radiation was accurately calculated by using remote sensing technique

    2黃河流域輻射平衡研究建立不同時空尺度的各輻射要素估算模式,通過析,確定最優參數並藉助遙感技術準確計算區域范圍內凈輻射值,為進一步計算區域蒸提供可靠數據保障。
  18. 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積方程問題,析表明離格式對c , p也具有最優的逼近精度。
  19. We study the design of haar wavelet for scale = a ( a2 ) and present a decomposition and reconstruction algorithm in chapter 3. secondly, in chapter 4 we study the design of orthonormal mutiwavelets of multiplicity r with scale = a ( a2 ). by the factorization theory, we give parametric expressions for orthonormal causal fir multifilter banks of r = 2 and scale = 4, and we found the length of scaling function can be controlled by the parameters. finally, we provide the error analysis between discrete multiwavelet transform coefficients and continue multiwavelet transform coefficients

    由於多小波變換系數的計算是直接與其預濾波方式相聯系的,而在單小波變換系數計算中之所以能由近似表示就是因為尺度函數具有低通特性和平移正交性,由此我們研究了能滿足以上要求的預濾波,並對離小波變換系數和連續小波變換系數之間的異作了析,從析結果我們可以預見:為了減少我們可以通過對預濾波的進一步設計來控制。
  20. At last, a great deal experimental analysis and experimental result comparison among above two new methods, order dithering, error diffusion, dot diffusion etc are realized

    西安理工大學碩士學位論文最後,對文中提出的方法與現有的有序抖動、標準、點擴等數字半色調方法進行了大量的實驗析和比較。
分享友人