Attribute reduction and date mining in knowledge discovery are formalized with extension transformation and extension knowledge in extenics.
利用可拓学的可拓变换和可拓知识对知识发现过程中的属性约简与数据挖掘进行形式化,并引入计算算子和计算型变换,从属性约简与数据挖掘中提取可拓变换和可拓知识(含变换的因果关系),从而更精炼地说明了属性约简和数据挖掘的本质。
So we firstly define some concepts such as transformation,extension transformation and paradox-resolved transformation extension transformation,etc.
首先定义了变换、可拓变换、解悖变换等概念,在此基础上,证明了增加型变换、蕴涵型变换和删减型变换化矛盾问题为相容问题的可能性,最后证明了使用变换解决矛盾问题的三种策略的逻辑存在性。
Based on the concept of extension market, the types and realizable ways of extension market under different extension transformations are discussed.
根据可拓市场的概念,探讨了在不同可拓变换下可拓市场的类型及实现可拓市场的方式。
Research on PWM Voltage Source Converter and Application in Frequency Inverter;
PWM电压源可逆变换器及其在变频器中的应用
The Design and Implement of the Reusable Inverter Quantizition and Inverter Transform Module in Video Decoder;
视频解码逆量化和逆变换的可重用IP设计研究
Nielsen transformations and its inverse transformations of Schottky groups
Schottky群的Nielsen变换与逆变换
Removable visible watermark algorithm based on wavelet transform
基于小波变换的可见可逆数字水印算法
Remote Sensing Image Lossless Compression Based on Reversible Integer-to-Integer Wavelet Transforms
基于可逆整数小波变换的遥感图像的无损压缩
A Note on the Paper On the Relationship of Elementary Transformations and the Decompositions of Invertible Matrix;
关于《初等变换的关系及可逆矩阵的分解》的注记
load-commutated inverting circuit
负载换流式逆变电路
PROGRESSIVELY AND LOSSLESS ENCODING FOR COLOR IMAGE
基于提升的可逆颜色变换与渐进性无损图像压缩
Utilizing the multiresolution aspect of wavelet transform, an algorithm based on reversible integer-to-integer lifting wavelet transform is proposed.
提出一种基于可逆的整数提升小波变换的敏感水印算法。
Reversible Watermarking Algorithm for Vector Maps Using the Difference Expansion Method of a Composite Integer Transform
采用复合整数变换差值扩大法的矢量地图可逆水印算法
Establishment of Human Cell Model That adult Vascular Smooth Muscle Cell Phenotypes Can Convert Reversibly and Changes of Plasminogen Activator Inhibitor-1 During This Conversion;
人血管平滑肌细胞表型可逆转换模型的建立及转换过程中PAI-1的变化
Research on Isolated Boost Converter and Flyback Inverter;
隔离Boost变换器和反激逆变器的研究
Research on Inverter Based on Single-Stage Boost DC/DC Convertor;
单级Boost直流变换器型逆变器研究
Research of An Inverter Using DC/DC Converter Topology;
基于DC/DC变换器拓扑逆变器的研究
High-speed motor inverter using DC/DC converter
采用DC/DC升压变换高速电机逆变器
Generalized Wavelets and Inversion of the Radon Transform on the Product Laguerre Hypergroup;
乘积Laguerre超群上的广义小波变换及Radon逆变换
DC reversible variable speed motor
直流可逆变速电动机
Inverted Abel Transform Based on FFT and Hankel Transform
基于快速傅里叶变换和汉克耳变换的逆阿贝尔变换