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I'm going to attempt to answer my own question based on some of the comments and my own further investigation Is this a valid procedure? It's not invalid, but it does not necessarily achieve the outcome I am looking for. Welch is used to improve the SNR in a DFT by averaging shorter length DFT's. The more shorter DFT's you use the better the outcome, but ...


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I think that you are splitting your signal $x[n]$ into $N$ STFT intervals which you are overlapping by 50%, then on each interval finding the Power Spectral Density (PSD) with Welch's Method. If this is correct I think this method is valid, but I think you might be confused by the 'overlapping' because there are two at play here. When you use Welch's ...


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