DIFFT is an open-source collection of implementations for the Double-Interpolation FFT method proposed in the paper "An Improved Accuracy Harmonic Extraction Method for Microcontrollers" (Tian & Zhang ...

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ABSTRACT: The development of new technologies in smart cities is often hailed as it becomes a necessity to solve many problems like energy consumption and transportation. Wireless networks are part of ...

Abstract: FFT [1] is widely used in signal processing and other fields. When FFT is used for power harmonic analysis, asynchronous sampling and fence effect can reduce the accuracy of FFT results. At ...

Abstract: Frequency offset estimation is an important task in mobile communication receivers. FFT-based approaches have been shown to have a very good performance at low signal-to-noise ratios (SNR).