logarithm transformation
英 [ˈlɒɡərɪðəm ˌtrænsfəˈmeɪʃn]
美 [ˈlɔːɡərɪðəm ˌtrænsfərˈmeɪʃn]
网络 对数变换; 对数转换
双语例句
- The grey forecast model GM ( 1,1) fits in with the forecast of smooth data. With regard to non-smooth data, it adopts the logarithm transformation, the extraction of a root and the exponent weighted to improve their smoothness.
灰色预测模型GM（1,1）主要适合于光滑数据序列的预测，对非光滑数据序列常采用对数变换法、开n次方变换法和指数加权变换法提高数据的光滑度。 - The Reasonableness of Stability Test Target as Logarithm Transformation
稳定性试验指标作对数变换的合理性 - Through comparison, it can be found that classification and segmentation image of remote sensing may distinguish and recognize water pollution more effectively after logarithm, IHS and KL transformation.
经比较发现，先对图像数据进行对数变换、IHS变换和KL变换后再进行密度分割及图像分类，可以更好地区分和识别水体污染。 - In light of the characteristics of electric discharge machining ( EDM) process data, the paper studies a neural network data input and output pretreatment method and presents data pretreatment algorithm based on logarithm transformation. Test results show that the data pretreatment method is effective.
针对电火花加工工艺数据的特点，研究了神经网络输入输出数据的预处理方法，提出了基于对数变换的数据预处理算法，测试表明效果较优。 - And the grey level in middle domain is revised with logarithm function as nonlinear transformation function.
用对数函数做非线性变换函数来修正中间灰度区域。 - The content of this paper are summarized up as follows: A modified sine gray-scale transformation method is presented, with regard to the complexity of selecting parameters of linear transformation and the limitation of nonlinear transformation such as logarithm and exponent transformation.
针对线性灰阶变换参数选择的复杂性以及指数、对数等非线性变换的局限性，提出正弦灰阶变换法。 - It was found that logarithm transformation of soil organic matter content could increase their correlation.
发现对有机质含量做对数变换可提高与土壤反射率的相关性。