data reduction 中文意思是什麼
data reduction
解釋
數據變換-
The reduction of data and the accuracy of results are discussed.
數據的歸納和結果的精確度將作討論。 -
Initial growths of disturbances are measured by means of hot - wire anemometry. due to the detected signals with low signal to noise ratio, the coherence function is used to eliminate background noise during data reduction
在擾動增長的初始階段，信號的信噪比非常地低，根據相關譜分析方法，應用相干函數，將擾動信號有效地提取出來，測量了初始擾動的增長。 -
This process is called data reduction.
這個過程叫做數據處理。 -
This paper recurred to the basic theory of rough set of data mining and under the direction of the frame of intelligent decision, the main theories include i ) the different methods of data mining on the base of rough set are used to deal with typical decision system namely consistent decision system and inconsistent decision system in order to carry through data reduction and rule distilment ; ii ) in the environment of dynamic increment database, the methods of data reduction to deal with the original data and increment data are discussed in the consistent and inconsistent decision system ; iii ) the method of data mining of rough set is analysized to treat with the attributes with priority ; iv ) on the base of basic rough set theory, the data analysis methods of amalgamation of rough set theory ; v ) and also the pre - disposal method to database is analysize
本文從系統工程進行決策分析的角度出發，藉助數據挖掘技術中粗糙集的基本理論，在智能決策框架的指導下，研究了基於數據挖掘的智能決策理論及方法。主要理論包括：如何利用粗糙集對典型的決策系統即相容性決策系統和不相容性決策系統運用不同的數據挖掘方法進行有效的數據約減和規則提取；在增量動態的數據庫環境下討論了在典型決策系統中對原始數據和增量數據進行數據約減的方法；分析了帶有優先權屬性的粗糙集數據挖掘方法；以基本粗糙集為基礎探討了粗糙集擴展模型的數據分析方法；研究了粗糙集數據預處理方法。 -
It makes sampling data regularized by means of man - machine interactive mode and procedure method, respectively. the driven data of the cutter guide is generated, which is based on sampling data processed. it proposes an intelligent data reduction algorithm which bases on the combination of straightness of curves, equidistance and distance deviation principle
首先採集並分析了內輪廓數據，分別運用程序處理方式和人機交互方式實現采樣數據點的規則化處理;根據處理后的測點數據生成磨頭驅動數據;並提出了一種基於曲線曲率、等距及距離偏差帶的自適應數據壓縮方法。 -
Data reduction was carried out in real time by a minicomputer. the microcora was replaced by a more advanced version, digicora, in 1993
地面站即時用一部小型電腦從轉播信號的相位差計算出無線電探空儀的位置，從而計算出高空風向和風速。 -
The practical work from turpan - hami basin and its neighboring area is taken as an example to describe the procedure of field survey and data reduction of layer resistivity of the surveyed area
以吐哈盆地及鄰區實際工作為例，論述了地層電阻率野外實測和資料整理方法；分析了測區內電阻率特徵。 -
( 3 ) comprehensive competitiveness of investment environment of real estate of yinchuan and 53 cities in western region is evaluated quantitatively by applying data reduction analysis and adopting spss statistical software
（ 3 ）運用主成分分析方法，採用spss統計軟體，首次對銀川市與西部53個大、中、小城市房地產業投資環境綜合競爭能力進行了定量評價。 -
After the orderly reduction methods of massive scattered data being studied, this paper proposes a partial tangent plane slicing method and a virtual second - scan line method after giving a new k - nearest algorithm to re - organize the massive data. the new proposed methods of data reduction and grey theory based unusual noisy data process can be used to generate the scan line type data and it can be directly used to reconstruct curves and surfaces. the research lays a good foundation for reconstructing the cad model in a point - line - surface manner
4 .深入研究了海量散亂數據的有序簡化技術，在提出建立海量數據點鄰接關系k -鄰近新的演算法基礎上，提出了局部切平面切片法和虛擬二次掃描線法，實現了海量數據的有序重組，通過基於灰理論的數據簡化和異常點處理新方法，生成可用於直接重構曲線曲面的掃描線類型數據，為以點?線?面方式重構cad模型打下了良好的基礎。 -
Figure 2 illustrates this concept along with the method of data reduction
圖2介紹了這個概念，以及精簡數據的方法。 -
In this paper, remote education is taken as background to research data reduction in incmplete information system
本論文將以遠程教育應用為研究背景，集中研究不完備信息系統下的數據約簡演算法。 -
As a start, choose the radius by visually fitting the colored circles that appear after the data reduction
對于新手，可以直接看經過數據歸算后的彩色圈的半徑來設置。 -
Through the study in the data reduction, this paper presents a new reduction algorithm named horafa - svdm and an incremental algorithm of the heuristic optimal reduct finding algorithm of the frequencies function named horafa ? a
本文通過在數據約簡方面的研究，提出了對利用屬性頻率函數的啟發式約簡演算法的改進演算法? ? horafa ? svdm演算法，以及這個演算法的增量版本? ? horafa ? ia演算法。 -
This thesis aims to discuss the clustering techniques with the background of large - scale nuclear physics science data mining. first, we introduce the key techniques and the main task in data mining, then we analyze the data preprocessing techniques and clustering techniques combine data mining techniques with science data. from data preprocessing aspect, we propose some methods of segmenting, denoising, integrating and transforming, and we use “ truncation method ” and “ successive difference method ” in data reduction, at last we extract information from the science data
論文基於大規模核物理科學數據挖掘的背景，全面介紹了數據挖掘的關鍵技術和主要任務，從理論、演算法和應用三個層次，結合科學數據的特點來分析預處理技術和聚類方法，提出了很多實用的預處理方法:對hdf5科學數據進行分塊、除噪、集成、變換等，同時對它使用「截斷法」和「逐層求差法」進行規約，並對數據進行信息提取。 -
Based on these theoretical work, we design and implement a prototype kdd system which is divided into four sections : preprocessing section, data reduction section, rule induction and decision algorithm section
在理論工作的基礎上，我們設計並實現了一個基於粗集的數據約簡的原型系統。 -
Several uci data sets are used to test the approach. compared with rosetta toolkit, our method increases the data reduction rate greatly and simplifies the result rules effectively
並用多個uci數據集進行了測試，與著名的rosetta軟體進行了實驗對比，結果說明mie - rs可以大大提高總的數據約簡量，有效地簡化最終得到的規則知識。 -
( 2 ) the image data reduction is very important in remote sense image processing, two methods in data reduction proposed in this paper, which one is based on wavelet theory and the other is based on clustering analysis
2 、針對遙感圖象的海量數據特性指出了圖象數據歸約的重要性，並提出了兩個圖象數據歸約方法。這兩種歸約方法分別是基於小波理論的方法和基於聚類分析的方法。 -
Satellite data reduction processor system
衛星數據簡化處理系統 -
A new adaptive data reduction algorithm is presented to display large amounts of data on the computer screen of active sonar system
摘要本文討論了主動聲納系統中主動檢測結果的數據顯示問題。 -
Methods of data cleaning, data integration and transformation, and data reduction are discussed
討論數據清理、數據集成和變換、數據歸約的方法。
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