Based on the distinct characters of WEE(wavelet energy entropy) and FFT,this paper put forwards a novel algorithm to detect the power system harmonic by integrating them together.
利用小波变换的频带划分能力和小波熵对扰动信号检测能力,结合傅立叶变换准确的频域分辨能力,提出一种基于傅立叶变换及小波能量熵联合的电力系统谐波检测改进算法。
参考来源 - 基于Shannon小波能量熵与FFT的电力系统谐波检测方法研究Wavelet energy entropy is calculated as system characteristic parameter and then distinguishes from trend variety of different signals. Using the dominant variable to fault diagnosis which is the adjacent quantity to tanδ.
计算小波能谱熵作为系统的特征参数来识别不同信号的变化趋势并将与tanδ变化最接近的因素作为主导因素来进行故障诊断。
参考来源 - 介质损耗因数在线监测数据分析与绝缘诊断的研究Calculation methods including wavelet energy entropy, wavelet time entropy, wavelet singular entropy, wavelet time frequency entropy are put forward to extract the characteristics of the electrical signals, and their meanings are analyzed.
建立了基于小波分析的小波能量熵、小波时间熵、小波奇异熵和小波时频熵的概念与计算方法。 应用小波熵于针刺电信号的特征提取与分类上,能有效地将不同手法区分开来。
参考来源 - 基于电信号的针刺特性研究Based on the actual measurement data of Qingtong-Gorge power station, this paper is aiming to study the vibration characteristics of water-power set with the wavelet decomposing of wavelet analysis theory , wavelet energy entropy and multi-resolution singular spectrum entropy.
本文就是以宁夏青铜峡水利枢纽机组的实测信号,利用小波分析理论的小波分解和小波能谱熵及多分辨率奇异谱熵理论对信号进行处理分析,研究水力机组运行的振动特性。
参考来源 - 水电站机组振动特性研究·2,447,543篇论文数据，部分数据来源于NoteExpress
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