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In order to develop the robust technique for signal processing, the simulation signal has been developed and close frequency components associated to signal is analyzed using MATLAB. Further, same sim...ulated signal is processed with three signal processing techniques viz. Empirical Mode Decomposition (EMD), Local Mean Decomposition (LMD) and merged Wavelet Denoising and Local Mean Decomposition (WDLMD) technique. The demodulated signals from these signal processing techniques have used for spectrum analysis. From the analysis it is inferred that the WDLMD technique is more efficient t han EMD and LMD technique for frequency extraction.続きを見る
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