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- W2373729183 abstract "To detect interharmonics with low amplitude near to harmonics with high amplitude under white noise condition with short-duration data,a method based on interpolation FFT algorithm and multiple signal classification(MUSIC) algorithm was presented.Firstly,the primary frequency components of signal were extracted from sampled signal by interpolation FFT algorithm with Hanning window.Then,the residual signal was derived by subtracting the main frequency components of signal from sampled signal,and the frequency components of residual signal were detected by MUSIC algorithm.The primary frequency in the first step and the residual frequency in the second step were considered as the whole frequency components of sampled signal.Finally,the corresponding amplitude and angle of each frequency was detected by least square method.Simulation result shows that the proposed method can detect the interharmonics near the integer harmonics under noise with short data and the estimated result for parameters of frequency and amplitude can meet the need of measuring accuracy." @default.
- W2373729183 created "2016-06-24" @default.
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- W2373729183 date "2011-01-01" @default.
- W2373729183 modified "2023-09-24" @default.
- W2373729183 title "Interharmonics parameter detection based on interpolation FFT and multiple signal classification algorithms" @default.
- W2373729183 hasPublicationYear "2011" @default.
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