principal component

基本解释

• 主成分；知组分

英汉例句

双语例句

• As the principal component in glass, silicon dioxide was used as early as 5000 BC.
  作为玻璃的主要成分，二氧化硅早在公元前5000年就被使用。
• Fault can be reconstructed by sliding the measure to principal component subspace along the direction of fault.
  沿着故障方向，测量数据逐步逼近主成分子空间可以实现数据的重构。
• Through principal component analysis, we have synthesized numerous indexes, (eliminated) information overlapping of the sample, and reduced the input dimension of BP network.
  通过主成分分析法将众多指标进行综合，消除样本间的信息重叠，降低BP网络的输入维数。

权威例句

• Methane is the principal component of natural gas, and massive amounts of it are trapped in reservoirs beneath the sea floor and under a layer of the ice-like substance.
  FORBES
• In the case of the yen, however, a much larger factor has been so-called Abenomics, whose principal ostensible component is massive quantitative easing.
  FORBES: The Dollar Is Flying High -- But How Long Will The Rally Last?

• principal component更多例句

词组短语

短语

• Principal Geographic Component distribution 主成分地理分布
• principal l component transformation 主分量变换
• principal independent component network 主独立元神经网络
• principal curve component 主曲线成分
• principal -component regression analysis 采用主成分回归方法

• principal component更多词组

专业释义

经济学

• 主成分

  By principal component analysis, we get four main components.
  通过主成分分析,得到了4个主成分。

  计算机科学技术

• 主成分

  Commonly, Principal Component Analysis (PCA) is used to remove the correlation.
  一般用主成分分析去除波段之间的相关性。

• 主元分析

  The content includes in the fuzzy segment,BP neural networks and principal component analysis.
  内容涉及模糊分割技术、BP神经网络、主元分析技术。

  医药科学

• 主分量分析

  The main difference between ICA and PCA(Principal Component Analysis)or SVD(Singular Value Decomposition) is that the components decomposed by the later method are only mutually uncorrelated,whereas the components decomposed by the former method are mutually independent statisically.
  ICA与 PCA(主分量分析 )或 SVD(奇异值分解 )的主要不同是 :后者分解得的各分量只是互不相关 ,而前者则要求各分量相互统计独立。

  地球科学

• 知组分

化学

• 知组分

心理学

• 首要成份