插值誤差 的英文怎麼說
中文拼音 [chāzhíwùchā]
插值誤差
英文
interpolation error-
Error formula of generalized rational newton interpolation on complex plane
插值的誤差公式Chapter 3 discusses the modules used in the fh - mpsk and fh - / 4dqpsk systems. these modules include : duc / ddc ( digital up converter / digital down converter ), nyquist flitter, burst start detection, interpolation module, pll ( phase locked loop ), pll error extraction, initial phase correction and the coding and decoding for tcm
第三章主要討論了跳頻模式下fh - mpsk和fh - 4dqpsk系統中各個模塊的設計，這些模塊包括：上下變頻器、奈奎斯特濾波器、信號到達檢測、插值模塊、通用環路、各環路誤差提取方法、初始相位校正和tcm編譯碼。Furthermore, the current research about body measuring and modeling is just for costume and military affairs, and pay more attention to the head dimension and shape. with the development of human nature during the manufacturing, body cad model is widely applied in industry design, ergonomics, engineering design, humanics research and iatrology research. the body cad model also can be the basic data for the design of respirator
本文使用nurbs曲面直接擬合的方法對測量的點雲進行曲面重構，將系統的優化方法應用到nurbs曲面重構中，利用插值曲線對測量點雲進行分塊處理，解決用nurbs曲面擬合中曲面的光順與曲面與點雲的誤差之間的矛盾問題，使反求模型中各曲面片之間相互連接、光順過渡且能夠反映出人體頭部的細部特徵。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。Data processing is performed by pc ， which includes detecting rough error by quartile method base on first order differential, adopting three points algorithm to eliminate deviations of rack displacement and installation, applying minimum containing area method to evaluate the sectional plane radius of roller and realizing it by genetic algorithm, adopting akima method to fit curve of roll profile
主要的數據處理工作在上位機進行，採用基於差分法的分位數演算法剔除粗大誤差；採用三點式測量原理消除探頭的安裝及運動所產生的誤差；採用最小包容區域法評定軋輥半徑，並應用遺傳演算法實現最小包容區域法的尋優計算；採用阿克瑪插值方法進行輥型的曲線擬合。If the geometric hermite data is from a smooth function with the arc - length parametric, the cubic ph approximates the smooth function, the error in the approximation of a short segment of length h is found
如果此三次ph曲線插值于以弧長為參數的某一函數曲線，則可以給出三次ph曲線逼近該一小段曲線的逼近誤差。The equivalence between the mamdani type fuzzy systems using trapezoid or gauss membership functions and the piecewise interpolation functions is demonstrated. and the estimation of the approximation error is given
對mamdani系統，分析了隸屬函數分別採用梯形和高斯型時一維模糊系統與函數插值的等價性和逼近誤差。To limit the predicting precision loss in a certain range, author presented a method of bayes modeling and predicting for dynamic errors based on standard value interpolation at intervals during the multi - step prediction after consulting a lot of papers at home and abroad
為將預報精度損失控制在一定的范圍之內，作者在查閱了國內外大量相關文獻之後，提出了基於標準量插入的動態測量誤差的貝葉斯建模預報理論，並根據貝葉斯理論給出了預報值的不確定度。Concerning the problem of the frequency instability, slight but not negligible, in electric power system, this paper discusses the resultant error in measurement in detail and develops an error - correction interpolated algorithm in frequency domain. taking advantage of the high calculating speed of pc, the measurement error in frequency, amplitude, and phase are well eliminated
本文針對電網頻率輕微但不可忽視的不穩定造成的測量誤差問題進行了詳細的討論，形成了一套在頻域實現誤差校正的方法?插值演算法，並利用pc機高速的數據處理能力軟體校正了各次諧波的頻率、幅值及相位。By using auto - adjusting boundary conditions and the method of three cubed spline curve fitting, the system software can recover both of the horizontal and vertical beam profile. the measurement system can also measure the beam landing screen error of cpt. it provides a important measurement and analysis tool to improve the performance of electron gun and dy, and improve the definition of cpt
系統軟體中，提出了採用動態確定邊界條件，通過對離散采樣點的三次樣條插值曲線的擬合恢復束斑x和y方向的輪廓，本系統既能準確客觀地描述電子束輪廓，又能夠準確快速地測量電子束著屏誤差等多種參數，為cpt電子槍和偏轉系統的性能改進與解析度的提高提供了有力的測試分析和研究手段。Thirdly, the effects on the cv rational interpolating splines from the perturbation of the two boundary conditions are analyzed. from this the error bounds of first and second derivatives of cv rational interpolating spline are given
然後，分析了兩類端點條件的擾動對cv有理插值樣條函數的影響，給出了它們在非均勻節點處的一階和二階導數值的誤差界For eliminating contradiction between real - time and accuracy, we bring forward separately limit of error and reversal interpolation method. in the end, for decreasing calculation quantity, we resort to tri - spline interpolation in the articulation space
對于規劃中精確性和實時性的矛盾，提出了以誤差極限法和反向插值法來解決的方法，最後，為了減少規劃過程中計算量，在關節空間進行三次樣條插值。The main contributions of this dissertation are : a novel detection strategy in blind image watermarking algorithm generally, the traditional detection strategy corresponding to embedment model i = i + aw has its limitation. first, we treat the watermark information as noise for an image and expand the noise before detection. then, we find the corresponding data in the frequency - domain and adjust them according to our relative minmum principle
為了解決這一問題，我們將嵌入水印圖像中的水印信息看作一種噪聲，在提取水印前，利用降噪方法得到原始圖像的一個逼近，通過和待檢測圖像的比較，得到含有水印信息的噪聲，再將這種噪聲信息進行放大，最後利用局部最大的編碼原則將水印恢復出來；將改進的水印提取模型應用於基於fourier - mellin變換的盲水印演算法，解決了由於插值和多變換造成誤差積累而造成很難提取水印這一問題。Frequency - domain equalization. at the same time discusses some key problems in ofdm : high ratio of peak - to - average power of output signals, problem of synchronization, channel estimation, adaptive bit, power and subcarrier allocation. emphasize on channel estimation, and present a new algorithm which can filtering more interpolation errors and noise. for the sake of improve the performance of resist narrowband noise and make efficient use of the spectrum apply malvar wavelet division
同時就ofdm系統中的一些關鍵問題如峰值平均功率比（ papr ）太高，同步問題，通道估計，通道、比特與功率必須動態分配進行了研究，著重研究了通道估計問題並提出一種改進的方法，能濾除更多的噪聲分量和插值誤差，提高系統的性能；為了提高抗窄帶噪聲的性能和提高通道利用率，用malvar小波變換實現了不等帶寬分配。We have improved the method of anisotropic interpolation error estimations and presented a method to estimate the consistent errors of nonconforming elements
我們改進了各向異性插值誤差估計的判定方法，並給出非協調元的相容誤差的各向異性誤差估計的方法Among them a pel and dobrowoiski have published a series of papers deal with anisotropic lagvangc interpolations. however, the studies on the estimations of consistent errors for nonconforming elements have been seldom reported
如t . apel等學者給出了lagrange元的各向異性插值誤差估計，但對非協調元的相容誤差的各向異性誤差估計在文獻中尚無報道。This paper introduces a bispectrum - based channel estimation algorithm to improve the accuracy of the channel estimation at pilots and proposes an equalization method with the view of the reduction of the interpolation error
為了提高通道估計的精度，本文分別從提高導頻處通道估計精度和減小插值誤差的角度出發提出了基於導頻雙譜的通道估計演算法和基於變換域濾波的插值方法。Secondly, the dissertation proposes a novel blind symbol - timing scheme for ofdm systems based on cyclostationarity feature of received symbols. the proposed schemes also exploits the periodicity of ofdm symbol introduced by cyclic prefix, by applying 2 - dimentional fourier transformation and choosing the appropriate correlation peak value as the symbol start location, the precision of this scheme is higher than previous conventional method. thirdly, the dissertation presents analysis with regard to channel estimation of ofdm systems. several interpolation algorithm in ofdm systems which based on pilot sequence have been analyzed in the first instance, and the influence of the channel noise on interpolation precision has discussed. the theoretic analysis and simulation results show that : the interpolation error induced by the precision of interpolation procedure itself has out weight
第三，論文在ofdm系統的通道估計方面，先對基於導頻的ofdm通道估計中的多種插值方法進行了分析，討論了噪聲對插值精度的影響，指出插值本身的精度所造成的插值誤差遠大於噪聲所帶來的插值誤差，從而階次更高的插值演算法在實用中並非最優的;並指出插值濾波法比變采樣率演算法對噪聲的影響更為敏感，在信噪比較高時插值濾波演算法比變采樣率演算法更優。Using our method we have presented the anisotropic estimations of both interpola - tion errors and consistency errors for these two elements. quasi - wilson ' s element is a nonconforming element for arbitrary quadrilateral meshes. we have proved that the quasi - wilson element is anisotropic - convergent for narrow quadrilateral meshes
我們給出wilso ， ，元和a 111 ， ，元的插值誤差和相容誤差的各向異性估計類wilson元是任意四邊形上的非協調元，我們證明了類wils （ ） l ，元的各向異性收斂性，給出能量模和護一模的各向異性誤差估計And kriging interpolation method as a kind of geo - statistics is an interpolation procedure that minimizes the interpolation errors and gives an accurate estimate of that error
地質統計學中的克里格方法是一種使插補誤差達到最小並且對誤差進行精確估計的插值方法。分享友人