2) Wavelet Package Analysis
小波包分析
1.
An algorithm of interferometry phase filter of In SAR based on wavelet package analysis algorithm;
基于小波包分析的InSAR干涉图滤波算法研究
2.
Based on the wavelet, wavelet package analysis (WPA) technologies and the power-inspecting of wavelet package, the fault monitoring method is presented using the power-inspecting of wavelet package to pick-up the characteristics of signals.
分析了刀具的切削状态,介绍了刀具的声发射信号检测系统和小波、小波包分析技术,以及小波包频带能量分解方法,提出了小波包分解功率监测特征量提取技术。
3.
A new signal de-noising method based on virtual response information is proposed,which considers fully the response property of linear dynamic system in time domain and the property of frequency space partitioned by wavelet package analysis.
在充分考虑线性动力系统的时域响应特性以及小波包分析的频率空间剖分特性的基础上,提出了一种基于虚拟响应信息提取的信号去噪新方法。
3) Wavelet analysis
小波包分析
1.
The signal of the vibration in the vehicle gearbox can be processed with the wavelet analysis method.
结果表明,利用小波包分析进行变速箱故障诊断的方法简单且行之有效。
4) wavelet packet analysis
小波包分析
1.
Turbine rotor vibration faults diagnosis based on wavelet packet analysis and neural network;
基于小波包分析及神经网络的汽轮机转子振动故障诊断
2.
Application of wavelet packet analysis in fault diagnosis;
小波包分析在故障诊断中的应用
3.
Theoretical research on structural damage alarming of long-span bridges using wavelet packet analysis;
基于小波包分析的大跨桥梁结构损伤预警的理论研究(英文)
5) Wavelet packets analysis
小波包分析
1.
Application of wavelet packets analysis-Elman neural network to simultaneous determination of iron,nickle and copper in wastewater;
小波包分析-Elman神经网络同时测定废水中的铁、镍、铜
2.
The present paper intends to make a discussion on the different harm effects of the detailed signals in the different Dominant Frequency Bands through wavelet packets analysis, based on the criteria of Peak Particle Velocity deduced from studies in hope to reduce the actual status of blasting vibration damage.
小波包分析法则克服了 FFT频谱分析的局限 ,有效地分解和重构原始信号中的细节信号 ,并将其作为评价不同频率细节信号的爆破振动危害效果的基础。
6) wavelet-packet analysis
小波包分析
1.
Fault diagnosis of water chillers based on wavelet-packet analysis;
基于小波包分析的冷水机组故障诊断分析
2.
Wavelet-packet analysis was applied to process the collected real time signals of certain type blade,and the fault feature of rupture and crack of blade was extracted,and the fault diagnosis was realized.
本文应用小波包分析的方法对采集的实时信号进行五层小波包分解,对叶片裂纹进行实时状态监测及实时数据分析处理,同时对采样数据进行故障特征提取,用该方法对叶片裂纹和叶片断裂进行了分析,提高了风机叶片裂纹故障识别的准确度和故障诊断的实时性。
补充资料：数据包络分析方法(Data Envelopment Analysis,DEA)
数据包络分析方法(Data Envelopment Analysis,DEA),是运筹学、管理科学与数理经济学交叉研究的一个新领域。它是根据多项投入指标和多项产出指标,利用线性规划的方法,对具有可比性的同类型单位进行相对有效性评价的一种数量分析方法。DEA方法及其模型自1978年由美国著名运筹学家A.Charnes和W.W.Cooper提出以来,已广泛应用于不同行业及部门,并且在处理多指标投入和多指标产出方面,体现了其得天独厚的优势。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条