The fault characteristicquantity with each selection method is extracted from the original data and discretized.
各单一选线判据从原始故障数据中提取出各自需要的故障特征量并离散化。
2
Extraction of characteristicquantity will affect straightway the distinguishability ratio of Wood disfigurement detection system.
特征量的提取直接影响木材缺陷检测系统的识别率。
3
Surface roughness degree which represents characteristicquantity of grade of land surface roughness is nonlinear, and can be described by fractal dimension.