Guaranteed-stable sliding DFT algorithm with minimal computational requirements

CS Park - IEEE Transactions on Signal Processing, 2017 - ieeexplore.ieee.org
The discrete Fourier transform (DFT) is the most widely used technique for determining the
frequency spectra of digital signals. However, in the sliding transform scenario where the …

Empirical mixed Ramanujan Fourier decomposition and its application to early fault diagnosis of planetary gears

J Cheng, Y Yang, H Shao, N Hu… - Journal of Vibration …, 2024 - journals.sagepub.com
The noise robustness of adaptive empirical Fourier decomposition (AEFD) is not ideal, and
Ramanujan Fourier mode decomposition (RFMD) often occurs over decomposition, causing …

On the low complexity implementation of the DFT-based BFSK demodulator for ultra-narrowband communications

S Safapourhajari, ABJ Kokkeler - IEEE Access, 2020 - ieeexplore.ieee.org
The DFT-based demodulator for BFSK has been introduced for applications where the
received signal experiences a carrier frequency offset (CFO) much larger than the symbol …

Algorithm 991: The 2d tree sliding window discrete fourier transform

LF Richardson, WF Eddy - ACM Transactions on Mathematical Software …, 2019 - dl.acm.org
We present a new algorithm for the 2D sliding window discrete Fourier transform. Our
algorithm avoids repeating calculations in overlapping windows by storing them in a tree …

Sliding DFT for spectrum analysis of coherent wind LIDAR

F Zhang, Y Qi, H Wang - … , Signal Processing, and Systems: Proceedings of …, 2019 - Springer
Abstract The Pulse Coherent Wind Lidar has a wide practical prospect in the field of
atmospheric sounding. However, it confronts the contradiction that the spectral resolution …

The Sliding Window Discrete Fourier Transform

LF Richardson, WF Eddy - arXiv preprint arXiv:1807.07797, 2018 - arxiv.org
This paper introduces a new tool for time-series analysis: the Sliding Window Discrete
Fourier Transform (SWDFT). The SWDFT is especially useful for time-series with local-in …

A Current Phase Controlled Sub-Synchronous Damper Converter for Liquefied Natural Gas Plants Applications

L Bongini, RA Mastromauro, D Sgró… - 2021 IEEE 15th …, 2021 - ieeexplore.ieee.org
In Liquefied Natural Gas (LNG) plants Sub-Synchronous Torsional Interactions (SSTI)
phenomena can imply torsional instability. The Sub-Synchronous Damper (SSD) converter …

[引用][C] An algorithm for the 2d radix-2 sliding window fourier transform

LF Richardson, WF Eddy - arXiv preprint arXiv, 2017