data smoothing 中文意思是什麼

data smoothing 解釋
數據光滑處理
  • data : n 1 資料,材料〈此詞系 datum 的復數。但 datum 罕用,一般即以 data 作為集合詞,在口語中往往用單數...
  • smoothing : 【統計學】修勻。
  1. Data preprocessing refers to the process of polygonization, smoothing, decimation and registration. the flow and main steps of data preprocessing are described here. several specific cases, for example the sampling method based on chordal deviation, the feature based registration, are discussed

    本文研究和討論了點雲預處理的基本流程和主要步驟,研究點雲光順的高斯濾波,中值濾波和平均濾波方法、點雲精簡的弦高差演算法和多視點雲特徵對齊的方法。
  2. Constrained conditions consist of data interpolations ( interpolations to data points or to one order and curvature at data points ), shape - preserving interpolation and smoothing or fairing fitting

    約束條件包括數據插值(可以是對數據點或數據點處的一階導和曲率等的插值) 、保形插值和光順擬合等。
  3. Filling missing values, smoothing noise data and removing inconsistent data are all adopted to gain high quality data

    通過補全缺失數據、平滑噪聲數據、消除不一致數據等技術,得到高質量的數據。
  4. Measuring data smoothing of shoe last

    鞋楦曲面測量數據光順
  5. According to the case that the macrocosmic system is nonlinear and lack of testing data, the improved forecasting methods are proposed such as fuzzy exponential smoothing forecasting, center approaching gray prediction and the local multiple regression fuzzy ( lmrf ) model based on takagi - sugeno fuzzy logical system. these improved methods are applied into the forecasting instances. the prediction accuracy of the stimulation result is testified and the improved forecasting methods are proved much better than conventional forecasting methods

    本文從宏觀角度和基於區域交通流小樣本數據的實際情況,提出了改進的模糊指數平滑預測和中心逼近式灰色預測方法,建立了基於takagi - sugeno模糊邏輯推理的局部多元回歸模型( lmrf模型) ,並進行了實例預測模擬,實例模擬結果表明改進的預測方法比傳統的預測方法精度提高了好多倍。
  6. We write the program which used for fighting errors in absolute positioning. we also write the program which used for linear combinating in absolute positioning. from analyzing for the measurement of outer, we can conclude that we can use m estimation to estimate parameter in gps absolute positioning. lt has application value. using it, we can obstain the stable positioning result and remove the outer. in this paper, we calculate the data which from the baseline space of the gps calibration space. we also draw some conclusion using broadcast ephemeredes and smoothing pseudoranges. the positionging precision is in 1 - 2 meter

    編制了gps絕對定位中抗差估計程序和應用線性組合進行單點定位的程序。通過對粗差量級的分析,得出在gps觀測量存在粗差時, m估計是有其應用價值的,它使定位結果較為穩定,減弱和剔除了粗差的影響。應用線性組合程序對gps綜合檢定場數據基線網點進行計算,得出用廣播星歷和平滑后的偽距可以給出較好的結果,點位精度在1 ? 2米。
  7. Chapter 5 introduces sampling - holding device principle, types and main performance parameters. we discussed the relationship between the sampling and the s - h device. chapter 6 discussed the pre - processing of sampling data including the scale transforming, digital filtering, reducing oddity and eliminating or pick - up tread item as well as smoothing process of the sampling data

    在第6章,對采樣數據的預處理進行討論,包括采樣數據的標度變換、采樣數據的數字濾波、剔除采樣數據中的奇異項、去除或提取采樣數據的趨勢項、采樣數據的平滑處理等數據處理方法。
  8. Experimental results show it can find the rough toa range in order to lessen the computation burden, while getting rid of glints and disturbing components attached to the phase difference signals, the paper suggests a data compression procedure combined with dynamic smoothing

    為了減小擬合計算量並盡量濾除疊加在相位差序列上的干擾起伏,採用了數據壓縮結合滑動平均的預處理方法,並對該方法的正確性和有效性進行了方差分析驗證。
  9. The constitutions and principles of position of gps > glonass and beidou navigation system are described all around in this article, and the following technologies are studied and realized : communication between com ports with oop technology, compound navigation with gps and glonass. calculate velocity, pseudorange difference, smoothing pseudorange with the carrier - phase and models to correct error are also done ; the transforms between wgs - 84 and pz - 90, as well as wgs - 84 and beijing54 coordinate system ; the technologies to display and manage bitmap, vector map based on mapx also ; conversion of data formats between gjb and mif data format of maplnfo corp. arithmetic of creation dem data based on contour line data from 1 -. 25000 map data with gjb format. texture the surface of terrains with corrected aviation image

    本文全面介紹了gps 、 glonass 、北斗導航系統的組成、定位原理,研究並實現了面向對象的串口通信技術、 gps + glonass組合導航、測速及偽距差分、相位平滑偽距差分以及有關誤差的模型改正、 wgs ? 84和pz ? 90 、 wgs ? 84和北京54坐標系的坐標轉換、柵格地圖的顯示和管理、基於mapx的矢量地圖的顯示和管理、 1 : 25萬軍標數據和mapinfo的mif數據格式雙向轉換、基於軍標數據的dem生成演算法、基於opengl的三維地形構造、航空圖像紋理地形表面、三維坐標量算、虛擬現實模擬導航、三維地形的層次細化演算法以及數字圖像處理中的圖像增強、幾何變換、影像匹配等技術。
  10. At the same time, built the data warehouse system with the sale subjects as the example, built an many - dimensions database using the online analysis tool of microsoft sql sever. finally built a two linear forecasting models based on smoothing of time queue about analysis of sale trend, and verified the design analysis of this paper partly

    同時,建立了以商品銷售主題為例的數據倉庫系統;並藉助microsoftsqlsever聯機分析工具,建立了以商品分析主題為例的多維數據庫,從不同視角展現不同匯總程度的數據;最後,建立了基於時間序列的二次指數平滑線性預測模型,進行商品銷售趨勢的分析,部分驗證了本文的設計分析。
  11. The practical methods of signal pre - processing ( anti - disturbance filtering, data smoothing ) and character extraction ( differential limitation, absolute peak value, peak - to - peak value, area of wave and self - adaptive threshold adjustment ) are introduced

    並介紹了一些實用的信號處理和特徵提取演算法,包括可以實時運算的用於抑制干擾的濾波器和數據平滑演算法及用於定量分析的差分超限數、絕對峰值、峰-峰值、波形下面積和自適應門限調整等演算法及其應用。
  12. The relative frequency training ( rft ) method is used to estimate the model parameters. and the problem of the data sparseness is solved through the backing off data smoothing algorithm

    同時採用了回退式參數平滑演算法來解決了一階隱馬爾可夫模型的數據稀疏問題。
  13. Based on multisensor target tracking system, the research of this thesis focuses on target location technique, target trajectory smoothing, filter, prediction based on a parameterized model, target tracking with nonlinear measurement, outlier detection and distributed systematic error estimate based on real - time data fusion and so on

    論文以多傳感器目標跟蹤系統為背景,針對目標定位測速技術、基於參數建模技術的目標航跡平滑、濾波和外推、非線性測量系統的目標跟蹤、基於實時數據融合模型的野值剔除和分散式系統誤差估計等方面進行了深入研究。
  14. The paper discusses how to design the chinese character and word code to meet the various input modes at first, then designs a dynamic self - study language model, and analyses the data smoothing algorithm in the language model

    文章首先討論了怎樣設計字詞碼本結構,使之能夠滿足靈活多樣的輸入方式,繼而設計了一種動態自學習語言模型,重點分析了數據平滑演算法在語言模型中的應用與改進,最後通過一個輸入法示常式序,對改進前後不同情況下的輸入效果進行了測試。
  15. For yield map generating, a local - averaging interpolation method with a random error yield data filter was designed ; and for field information distribution map generating, an idw interpolation method with a smoothing parameter was used. 7. fuzzy integrative evaluation and cluster analysis was used for field management zoning

    在田間信息分布圖生成與插值方法的研究方面,設計了用於生成產量分布圖具有數據過濾功能的局部平均法;並選用了一種帶有平滑參數idw插值方法;該方法可以有效的防止插值結果中出現數值突然變化的奇異點。
  16. Because limited by the sampling channel of transient electromagnetic measuring depth fieldwork curve ( generally 20 ~ 40 channels ), the smoothing degree of fieldwork curve is not very good, it make against the differential imaging treatment. in order to hold the continuous change characters of the curve and seek the voltage exactly, we use the thrice spline insert number function to reconstruct the fieldwork data ; 4

    ) t ; 3 .由於受瞬變電磁測深實測曲線取樣道的限制(一般為20 ~ 40道) ,實測曲線光滑程度較差,不利於微分成像處理,為了更好的把握曲線連續變化的特徵及準確求導,採用了三次樣條插值對實測數據進行重構;續
  17. Compared with average filter method, the method can eliminate the noise information in the measurement points more effectively. a data compression method was proposed to compress the measurement points that include huge redundancy under certain accuracy. then segmentation and smoothing method for the measurement points to identify the jump edge, crease edge and smooth edge and optimize the measurement points were conducted so as to reconstruct the surface and generate the manufacturing path conveniently

    在一定的精度條件下,該方法可對包含大量冗餘的測量數據進行壓縮處理;對測量數據進行分片處理,拾取測量數據中的階躍邊界點、褶皺邊界點和光滑邊界點並優化測點數據,從而便於對測量數據進行nurbs ( non - uniformrationalb - spline )重建和加工路徑生成等后續處理。
  18. This paper increases the accuracy of gm model by smoothing the original data sequence in order to improve gm model

    摘要用提高原始數據列光滑度的方法來提高gm模型的精度,從而改進灰色模型。
  19. The quality of reconstructed surfaces is related to many factors, such as quality of original data and surface fitting strategy, surface post - processing, and so on. in this thesis, the relative techniques of high quality surface reconstruction and surface interrogation based on triangular mesh are studied in depth. the main contents are as follows : ( 1 ) typical mesh smoothing schemes are analyzed

    本文對基於三角網格模型的高質量工程曲面重建及曲面光順性分析的相關問題進行了研究,主要內容包括: ( 1 )在對現有幾種常用的三角網格模型光順演算法進行分析比較的基礎上,結合圖像處理中的kuwahara濾波以及雙邊濾波思想,提出了基於法矢修正的三角網格模型光順演算法。
  20. According to the characteristics of the work condition is wretched and the signals are affected seriously by kinds of random noise etc., the data smoothing method is used in the pressure and flow signal processing, it reduces the effect of the random noises, and has a good result

    根據液壓系統工作環境惡劣,各種隨機干擾對檢測信號影響大等特點,將數據平滑方法用於壓力、流量信號檢測數據處理中,有效地減小了各種隨機噪聲的影響,具有很好的效果。
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