该方法首先利用小波变换和主成分分析对故障信号进行预处理，然后用处理后的故障特征数据对小波神经网络进行训练和测试。
The method uses wavelet transform and principle component analysis to preprocess fault signal, afterward training and testing wavelet neural network with the preprocessed fault characteristic data.
采用宏微观形貌分析、化学成分分析、力学性能测试、SEM微观形貌分析等手段，分析了减速机轴断裂的原因。
The fracture reason of reducer shaft was analyzed by means of morphology and microstructure analysis, chemical composition analysis, mechanical properties test, SEM micro-morphology analysis.
采用金相分析和化学成分分析方法，对弹性压簧在性能测试时出现断裂进行了分析。
Uses the metallography analysis and the chemical composition analysis method, presses the reed to the elasticity when the performance test appeared the break to carry on the analysis.
通过化学成分分析、力学性能测试、金相检验以及断口分析等方法对SKD61钢压铸模具开裂原因进行分析。
The cracking causes of the die casting mould of SKD61 steel were analyzed by chemical composition analysis, mechanical property testing, microstructure examination and fracture analysis.
在测试的过程中，主成分分析作为数据预处理，提取特征指数从振动信号的统计特征作为输入SVDD分类。
In the process of test, principal component analysis is used as data preprocessing to extract the feature index from vibration signal statistic features as the input of SVDD classifier.
采用化学成分分析、力学性能测试、显微组织观察和夹杂物检验等方法对有边缘裂纹的Q 345 B宽带钢进行分析。
The edge crack on Q345B wide strip steel was analyzed by means of chemical composition analysis, mechanical property testing, micro metallographical examination.
采用扫描电镜、光镜、化学成分分析和显微硬度测试等方法对断裂件进行了分析。
The fractured springs were analyzed by means of SEM, metallography, chemical composition analysis and microhardness measurement.
通过现代分析测试手段，对脑细胞激活素进行化学成分分析，以更好地研究该药的药理作用。
The chemical content of injectio cerebral cell active factor, was determined by modern analytic determination methods, inorder to study pharmacologic work better.
采用宏微观检验、化学成分分析及力学性能测试方法对截止阀阀体爆裂原因进行了分析。
This paper studied the causes of bursting of stop valve by the methods of visual inspection, metallographical examination, chemical analysis and mechanical property test.
采用光学显微镜、成分分析和硬度测试等方法对淬裂的模具钢进行了检测与分析，对该模具钢的开裂原因进行了探讨。
The reason that caused quenching cracks of the die was investigated by means of metallographic examination, chemical analysis and hardness measurement.
通过成分分析（EPMA）和硬度测试， 分析了硅扩散层的特征。
The characteristics of so-called silicon diffusion layer were analyzed through EPMA and hardness test.
对剃齿刀断口进行了宏、微观检验、化学成分分析、硬度测试和非金属夹杂物及显微组织检验。
Micro-analysis of the Internal Control Performance System of Capital Operation of State-owned Commercial Banks Based on Data Validation;
对剃齿刀断口进行了宏、微观检验、化学成分分析、硬度测试和非金属夹杂物及显微组织检验。
Micro-analysis of the Internal Control Performance System of Capital Operation of State-owned Commercial Banks Based on Data Validation;
应用推荐