分量分析

• In this dissertation , the method of sparse coding shrinkage based on independent component analysis is proposed to reduce speckle in polarimetric sar images
  本文将独立分量分析的噪声模型引入到极化sar系统的图像处理中,结合基于独立分量分析的稀疏编码收缩算法进行极化sar图像相干斑抑制。
• Independent component analysis ( ica ) is one of these methods . as a new array processing technique , ica is an effective means to resolve the bss problem
  近年来随着独立分量分析( independentcomponentanalysis简称ica )在信号处理界引起的广泛关注，该技术也被迅速应用到生物医学信号处理领域。
• The preprocessing obviously stands out the non - gaussianity of the individual components in the signals to satisfy the ica condition , i . e . statistical independence of sources
  同时指出，对信号进行自相关预处理，可以突出信号的非高斯成分，较好地满足独立分量分析的前提条件，即源信号统计独立。
• Method based on component analysis ( peak value pick - up ) and global orthogonal polynomial subsection fitting to obtain system damping ratio , natural frequency and modal shapes is especially described
  着重描述了分量分析法(峰值拾取法)和整体正交多项式分段拟合法提取系统固有频率及其振型的方法。
• Linear projection analysis , including principal component analysis ( or k - l transform ) and fisher linear discriminant analysis , is the classical and popular technique for feature extraction
  线性投影分析，包括主分量分析(或称k - l变换)和fisher线性鉴别分析，是特征抽取中最为经典和广泛使用的办法。
• Independent component analysis ( ica ) is a multi - dimensional statistical analysis method developed in the 90 ' s of the 20th century and used to analysis the mutually independent nongaussian signals
  独立分量分析( ica )是90年代中期发展起来的一种多维统计分析方法，它的研究对象是相互独立的非高斯信号。
• Then for the computing time of the traditional pca - based face recognition algorithm is very large , we use wavelet transform to reduce the dimension of images , and decrease computation complex
  针对传统pca (主分量分析)方法运算量大的特点,本文通过小波变换对输入图像进行降维处理,降低了后续算法的复杂度。
• Aimed at a great deal of components submitted to the skewness distribution during the mixed signal identification , a new improved independent component analysis algorithm is proposed to deal with this kind of signals
  摘要针对实际混合信号中许多分量具有偏态分布的特点，提出了一种用于该类混合信号的新的独立分量分析算法。
• Chinese minimum and maximum temperature fields are divided respectively by the rotted empirical orthogonal function eleven , twelve sub regions can be taken for minimum and maximum temperatures respectively
  利用旋转主分量分析，分别对我国极端高温和极端低温场进行了客观区划。极端低温和极端高温场分别可以分为11 、 12个变化区。