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利用正交小波变换的时频分析及尺度特性 ,基于函数逼近及函数奇异性分析原理 ,提出了生产过程实时趋势分析算法 ,实例仿真研究证实了其可行性和有效性
Based on the time-frequency analysis and scale characteristics of orthogonal wavelet transform, a real-time trend analysis algorithm of production process is proposed based on the function approximation and the function singularity analysis. The simulation results show its feasibility and effectiveness