Based on the test and analysis, this paper gives self similarity feature functions of phonon emission process in quantitative test.
本文在试验基础上，通过分析给出了定量考察声发射过程自相似性的自相似特征函数。
Mineral oil; Three-dimensional fluorescence spectra; Optical fiber sensing; Feature extraction; Tag sort; Quantitative analysis.
矿物油；三维荧光光谱；光纤传感；特征提取；特征分类；定量分析。
Feature search mainly contains searches on quantitative dimension and color dimension. Feature search on quantitative dimension plays an important role.
特征搜索主要包括颜色维度、数量化维度的搜索，其中数量化维度的特征搜索占有重要的地位。
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