data reduction

Astronomical Observation and Data Reduction Method of HIPPARCOS

依巴谷卫星的天文观测及资料处理方法

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Theoretical and real data results prove that(ω-x)-domain operator extrapolation brings obviously-improved noise reduction.

经理论记录和实际地震记录检验，表明经ω－x域算子外推后的去噪效果有显著改进。

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First, AOG and its shortcomings are discussed from the view of data reduction: the single attribute threshold control of AOG is boolean control, so when there are exceptions, it can cause data over reduction and lose the meanings of data reduction.

首先从数据简化的角度分析讨论了AOG及其不足：AOG的单一属性阈值控制是布尔型控制，在有例外存在的情况下，可能造成数据过度简化，失去数据简化的意义。

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Using the statistic characterization of data, the relevant knowledge reduction algorithm is put forward by combining the probability with classification rules;

利用数据的统计特征，将概率测度与分类规则结合起来，提出了相应的知识西北工业大学博士学位论文约减算法；

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Methods of data cleaning, data integration and transformation, and data reduction are discussed.

讨论数据清理 、 数据集成和变换 、 数据归约的方法.

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Wavelets are used in computer imaging, animation, noise reduction and data compression.

小波用于计算机成像 、 动画 、 降噪和数据压缩.

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The data reduction and analysis of solar X-ray images(ⅰ)

太阳X射线像的数据处理和分析（一）

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We use the density biased sampling as a data reduction technique to speed up the clustering data mining tasks in large multidimensional data sets.

可以按照数据集的密度应用偏差抽样来加速常规数据挖掘任务的运行，本文对此进行了研究。

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Reduction of random noise for seismic data by time-frequency peak filtering

用时频峰值滤波方法消减地震勘探资料中随机噪声的初步研究

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The Interpolation of Data Reduction for Photographic Plates Observed by SBG

SBG照相底片归算的插值方法

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Data Reduction in Network Based on the Intrusion Detection System

网络入侵检测系统中的数据缩减技术

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Large masses of data must generally undergo a process of summarization or reduction before are comprehensible.

数量庞大的数据通常必须经过概括或删减的程序才能为人所理解.

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Carbon/ metal nanocomposites are a kind of novel carbon functional composite materials. Because those materials possess special structures and properties, they might obtain the widespread application in areas such as high-density magnetic data storage, oxidation-reduction catalyst and biomedical-materials.

纳米金属/碳复合材料是一种新型碳功能材料，由于其独特的结构和性能，有望在高密度磁记录材料、氧化还原催化剂和生物医用材料等方面获得广泛应用。

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Here is the first one of a series of the papers about it, describing theoretical methods of the data reduction and analysis of solar X-ray images in general.

本文是其第一部分，从理论上略述太阳X射线像的数据处理和分析的方法。

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Nonlinear noise reduction for the observation data of climatology based on the searching average method

基于搜索平均法的气象观测数据的非线性去噪

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A New Data Reduction Method for Time Series Classification

适用于时间序列分类的数据归约方法

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Then a feature based polyhedral model is reconstructed adaptively, so a large scale precise data reduction, under allowable error, is also realized at the same time.

在此基础上，完成了基于特征的曲面网格自适应构造，实现了大规模点云的精确数据压缩。

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A New Method of Complete Data Reduction Based on the Boolean Matrix

一种基于布尔矩阵的新的属性约简完备算法

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Independently perform data reduction and data analysis of test results, as required.

独立执行数据还原和数据分析的测试结果.

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This paper introduced the basic principle, the method of flight test and data reduction technique of a certain type helicopter.

本文简要介绍了某型直升机操纵性与稳定性飞行试验的原理、试飞方法及数据处理技术。

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Nonlinear yaw card data reduction critical penetration velocity and dynamic yield strength of target material

非线性靶板数据处理极限穿透速度与靶板材料动态屈服强度

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Finally, this paper test and analysis the results in the aspects of functionality and performances, the result shows that the system can meet the design requirements, it implementation the analytical data reduction for MSN instant text application data, file transfer, voice and video data.

最后从系统系能和功能两方面入手对系统进行测试分析，结果表明系统能够达到设计要求，实现对部分即时通信软件即时文本数据，文件传输数据和语音视频数据的解析还原。

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Data Reduction Based on the Equivalence Class Partition of Attribute Set

基于属性集等价类划分的数据约简

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Research and Application on a Data Reduction Method Based on Tensor Field

一种基于张量场的数据约简方法及应用研究

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Methods of Data Reduction for photon Counts with Transit Instrument

子午光子计数观测资料的处理方法

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Application of artificial neural network method in data reduction of proximate analysis of raw coal to power plant

应用人工神经网络方法处理电厂入厂煤煤质分析数据

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Map and reduce are named after functions in functional programming but provide the core capability for data reduction.

map（映射）和reduce（缩减）源自函数式编程中的函数名，但是这个应用程序的核心功能是数据缩减。

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Global and local data reduction strategy of cubic spline

三次样条的全程和局部数据归约策略

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Aimed at dealing with the problem of sectional curves with the different measurement data points arising from the data reduction, a new approach for lofted B-spline surface interpolation to sectional curves was presented, which reduced the number of control points while maintaining precise interpolation.

针对数据压缩处理引起的各截面曲线上数据点数的不同，提出了一种蒙皮B样条曲面插值方法，该方法在保持插值精度的情况下，减少了曲面重构所需的控制顶点。

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Attribute reduction is an important concept in rough sets data analysis.

属性约简是粗糙集用于数据分析的重要概念.

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