【旋转机械故障诊断中信号采集与分析关键技术的研究】余佳兵.pdf
Mechanical Engineering Prof.YangShuzi Prof.Shi Tielin ADissertationSubmittedto AcademicDegreesEvaluationCommitteeof HuazhongUniversityofScienceandTechnology for theDegreeof Doctor of Philosophyin Engineering Key Technique of Data Acquisition and Processing in Fault Diagnosis of the Large Scale Rotor
ABSTRACT Themainpurposeofthisdissertationistodevelopthekeytechniqueofdata acquisitionandprocessinginthestatemonitoringandfaultdiagnosticexpertsystem Atfirst,basedonawindowingsignalanalysiswithDFT,theerrorcausedby leakageisgotten andnormalrectifyingformulasofthewindowingsignalspectrum arededuced.
华中理工大学博士论文 目录 第二章离散信号频谱的窗谱校正方法 基本理论 S2加窗信号的离散频谱误差产生原因 S2加窗信号的离散频谱的窗谱校正方法 第三章离散信号频谱的窗谱校正方法-方法篇 S3窗谱峰值搜寻方法及其仿真计算 3窗谱峰值搜寻方法 3.