誤差的均方 的英文怎麼說
中文拼音 [wùchādejūnfāng]
誤差的均方
英文
mean square of error- 誤 : 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 : 差Ⅰ名詞1 (不相同; 不相合) difference; dissimilarity 2 (差錯) mistake 3 [數學] (差數) differ...
- 的 : 4次方是 The fourth power of 2 is direction
- 均 : Ⅰ形容詞(均勻) equal; even Ⅱ副詞(都; 全) without exception; all
- 方 : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
- 誤差 : error
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Using lyapunov stability theory, it has been shown that the control scheme guarantees that all the variables of closed - loop system are bounded. moreover, the mean - square tracking error can be made arbitrarily small by choosing some design parameters appropriately
Lyapunov穩定性分析結果表明,本文所提出的控制器保證了閉環系統內的所有信號都是有界的,通過選擇適當的設計參數,可以使跟蹤誤差的均方根任意小。The device turns round at the range of 360, and locomotive block moves in linear guide in every unit zone. so optical fiber can arrive everywhere in focal plane. experiment result elucidation : the standard deviation of repeat error and positioning error less than 40 microns, the positioning precision of this system can reach demand
用7根單元機構模擬4000根單元的相互關系,實驗結果表明:機構的重復性誤差和目標點定位誤差的均方根值均在定位精度要求范圍之內,能夠滿足望遠鏡快速、準確的定位要求。In addition, the beamforming techniques for cdma systems are discussed emphatically. the algorithm based on code filtering is deduced in detail theoretically, and the performances such as convergence and bit error rate ( ber ) are simulated. meanwhile, we improve a decision - projected algorithm based on least - mean - square ( lms ) error
論文重點討論了cdma系統的波束形成技術,在理論上詳盡地推導了基於擴頻碼濾波的波束形成演算法,對其收斂性、誤碼率等進行了計算機模擬;針對基於最小均方( lms )誤差的一種判決映射演算法進行了改進。Abstract : an easy method for determining the lateral fold number of 3 - d seismic swath is presented. it is described in details that the non - vertical time error and selection method of vertical line direction. based on existing conditions of 3 - d seismic data acquisition in coal field, an assumption of 3 - d broad azimuth data acquisition is provided to remove the disadvantages of non - uniform azimuth distributions from old observation system
文摘:提出了線束型三維觀測系統橫向覆蓋次數的一種簡易確定方法,詳細論述了非縱誤差的實質及縱測線方向的選擇方法,根據目前煤田三維數據採集現狀,提出了寬方位角的設想,以便克服以往三維觀測系統中方位角分佈不均的弊端。During the course of the research, the criterions of the interpolation effect are mean error ( me ), mean absolute error ( mae ), root mean squared interpolation error ( rmse ) and the difference of mean square deviation between the measured and the estimated surface air temperature. the conclusions are as follows : ( 1 ) by contrasting the gaussian weighted model associated with the error modification with the gaussian weighted model, the error modification is proved to considerably ameliorate the precision of spatial interpolation ; ( 2 ) on the base of the gaussian weighted model, taking altitudinal effect into account can reflect the trend in which temperature changes according to the topographic altitude and may ameliorate the precision of spatial interpolation correspondingly and apparently, which indicates that topographical effect on the preciseness of spatial interpolation can not be disregarded in terms of the region with complicated topography ; ( 3 ) the map of daily surface air temperature distribution, using the modified gaussian weighted model a and b, can accurately reflect the temperature - changing - with - topographical - altitude trend. among them, the better is the model a, whose me is below 0. 03 ?
在此過程中,採用平均誤差( me ) ,平均絕對誤差( mae ) ,插值平均誤差平方的平方根( rootmeansquaredinterpolationerror ,簡稱rmsie ) ,插值前後測站要素值的均方差( meansquaredeviation ,簡稱msd )差值作為判定插值效果的標準,得出如下結論:通過高斯權重法與結合逐步訂正的高斯權重法的對比,說明結合逐步訂正方案的高斯權重法可大大提高地面日氣溫的插值精度;在高斯權重法中加入海拔影響項可以反映出溫度隨地形高度的變化趨勢,同時也能較大地提高地面日氣溫的空間插值精度,說明在地形復雜的區域,地形影響在插值精度中是不可忽略的;對于高斯權重法的兩種改進方案得到的地面日氣溫分布圖都能很好地反映出表面大氣氣溫隨地形高度的變化趨勢。This aberration is referred to as a “ m ” by finite element method. rms of absolute error ( rmsa ) is obtained according to displacement, moreover, the relationship graph between rmsa and pressure offers gist for controlling surface precission
由位移計算出絕對誤差的均方根誤差( rmsa ) ,得到氣壓與rmsa為非線性的變化關系,其關系圖為通過控制氣壓來調節反射面的精度提供了依據。This calibration came down all error effects to joint errors and need not resolve the inverse kinematics model, and achieved arbitrary joint errors real - time compensation
這種標定方法把所有因素引起的誤差均歸結為關節角誤差,無須求解機器人逆運動學方程,實現了誤差的在線補償。The paper also studied the structure of lms adaptive filter and the theoretical analysis of astringency by deducing the equal square error of the weigh value in the msn linear filtering
在mse線性濾波中權值的均方誤差函數的推導的基礎上,對lms自適應濾波器的結構和收斂性的理論分析進行了研究。At the same time, its precision is obvious well than experiment one. square root of the average of the square summation of the difference between all estimated node water pressure h * and all real node water pressure h0 is 2. 04m in xi ' ning network
計算表明,模糊聚類選擇的測壓點具有較好的代表性,估計的40個節點水壓值與實測值誤差的方均根為2 . 04m ,估計精度較高,能滿足管網模擬的要求。The autoaligment instrument and accuracy turntable with digital display are used to detect the step angle after 32 subdivision, and the experiment results are given, the mean - square error of step angle after 32 subdivision is less than 3. 7 %
為了檢測32細分后的步距角,採用了自準直儀加精密數顯轉臺的光學測量方法,並給出了實驗結果, 32細分步距角的均方誤差不大於3 . 7 。With the idea of bus priority and from the analysis of traffic ' s characteristic of china ' s urban intersections, a multi - objective programming function is constructed to minimize not only the total delay of bus operating but also the mean square value of saturations of car flows of all phases
考慮公交優先,並從我國城市交叉口的交通特徵出發,構造了多目標規劃函數:一是使公交總延誤最小,二是使一般小汽車交通各相飽和度之間的均方差最小。The horizontal scalelength of model variables ( u. v. t, p and q ) is closely related to the average time of nmc technique and convective parameteric scheme of mm5 which affect the 12h and 24h outputs of mm5 integration
、 、 、 t 、 p和q )對應的誤差水平尺度與nmc方法中預報誤差的平均時間長度和模式提供1zh和24h預報所選用的積雲參數化方案有直接的關系。Based on the difference of measuring errors between spectrum and a single pulse, the article introduces a procedure which can improve the specification of non - linearity of commercial adc for spectrum measurement without channel - width - everaging circuit
摘要根據放射性能譜測量的誤差並不等於對單個脈沖測量的誤差的特點,提出一種先測出模數變換器的道寬,然後利用軟體方法進行道寬均勻的技術。Three advanced issues are studied. they are the statistical distributions for the errors of the average s - n relation fitting into the test data, the maximum value model for the probabilistic model, and the material probabilistic fatigue strength under spectrum - loads
論文圍繞均值s - n曲線擬合s - n數據誤差的統計分佈模型、測定概率s - n曲線的極大值模型和基於極大值模型的譜載荷下材料的概率疲勞強度的測定三方面,開展了較為深入地研究。A batch least - squares maximum likelihood estimator is employed to calibrate the model coefficients of accelerometer and a polynomial post - fit method is used to establish temperature models of these coefficients. the temperature models of accelerometer bias and scale factor of accelerometer are established between - 20oc and 50 oc. after compensating the temperature error by using these models, the post - fit residuals of the accelerometer output have been improved to 10 ? 5 g, and the trend term of accelerometer changing with temperature basically vanished
採用最小二乘極大似然估計和多項式擬合的方法,分析加速度計靜態模型系數隨加速度計殼體溫度變化的規律,建立了- 20oc 50oc之間加速度計零偏和標度因數誤差的溫度模型,應用該模型對加速度計溫度干擾進行補償,補償后,加速度計輸出的擬合均方根誤差一到二個數量級,並且基本上消除了加速度計輸出隨溫度變化的趨勢項,使得加速度計測量精度得到了明顯提高。In the condition the tracks correlation is that correlation of system tracks fusion by radar tracks and radar tracks. the tracks correlation is difference between single - sensor conditions and multi - sensor condition. we propose a practical algorithm for tracks correlation in multi - sensor multi - target condition
在多雷達數據處理中,並不是每一部單雷達的航跡跟蹤都是用kalman濾波完成,在這種情況下不能用kaiman濾波估計誤差的均方差來計算航跡質量因子,我們給出了一種航跡質量因子的計算方法。Intetval estimation of mean square error for linear statistic model
統計模型中誤差方差的均方誤差的區間估計Results show that 27 or 20 principal components can extract the dominating features of frf, and the corresponding covariances of the reconstruction error are 0. 0097 and 0. 0134 respectively
誤差分析結果表明,採用27或20個主元能提取潤揚懸索橋的主要動力特徵,重構誤差的均方值分別為0 . 0097和0 . 0134 。However, the performance of these algorithms that are based on linear approximation degrades considerably in highly nonlinear situation. whereas the ekf requires the evaluation of the jacobian to obtain the observation matrix, the cmkf needs it to compute the measurement error covariance. both of them employ linear approximation, and thus linear error is inevitible
論文第四章分析了ekf和cmkf在某些情況下跟蹤性能不理想的原因: ekf需要對量測方程進行線性近似, cmkf在計算轉換測量值誤差的均值和方差時同樣要進行線性近似,因此無法避免線性化誤差。One is combined with the maximum average error criterion and the mean square error criterion, and the other is combined with the absolute value average error criterion and the mean square error criterion. theory analysis shows that the two new search methods have less computational complexity than that of the non - optimal method
提出了兩種替換原有均方誤差最小準測的方法,分別是最大平均誤差與均方誤差最小準則相結合的搜索標準,以及絕對值平均誤差與均方誤差最小準則相結合的搜索標準。分享友人