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Acquisition Method of Time–Frequency Distribution Based on Short-Time Fractional Fourier Transform
With people's attention to the non-stationary characteristics of signals, the traditional frequency domain analysis methods cannot meet the needs of...
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Short-Time-Fourier Transform
Often it is desirable to locate the frequency contents of signals in time. Consider the playback of a song. As dictated by the composition, the...
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Motor fault classification using hybrid short-time Fourier transform and wavelet transform with vibration signal and convolutional neural network
The detection and classification of failures in electric motors are critical for ensuring operational integrity and financial sustainability in...
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Application of Adaptive Short Time Fourier Transform in Rocket Telemetry Data Processing
How to achieve fast and accurate processing of rocket telemetry data has always been a hot issue for research. As a time-frequency analysis (TFA)...
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Epileptic seizure classification using ConvLSTM deep classifier and rotation short-time Fourier Transform
Epilepsy is one of the world’s most common neurological disorders. Timely diagnosis of this disease improves the quality of life of patients. In this...
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Direct Visualization of Bass Guitar Frequency Patterns and Their Fret Fingerings via Combined Fast and Short-Time Fourier Transforms
PurposeThis study aims to develop an efficient method for transcribing bass guitar notes from polyphonic music, addressing the challenges in creating...
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Fault Detection and Diagnosis in Electric Motors Using Convolution Neural Network and Short-Time Fourier Transform
PurposeFault diagnosis is vital to any maintenance sector since early fault detection can avoid catastrophic failures and also a waste of both time...
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Comparison of Radar Micro Doppler Signature Analysis Using Short Time Fourier Transform and Discrete Wavelet Packet Transform
The detection of radar micro Doppler signature which require high frequency and time resolution is of prime importance to the military sector given...
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Generalizable Features for Anonymizing Motion Signals Based on the Zeros of the Short-Time Fourier Transform
Thanks to the recent development of sensors and Internet of Things (IoT), it is now common to use mobile application to monitor health status. These...
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Application of continuous wavelet transform based on Fast Fourier transform for the quality analysis of arc welding process
SMAW (Shielded Metal Arc Welding) and GMAW (Gas Metal Arc Welding) are two of the most prominent welding processes commonly utilized in almost all...
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Translation model based on discrete Fourier transform and Skip** Sub-Layer methods
Machine translation quality has seen tremendous improvement since the development of neural machine translation. However, translation models are...
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Uncertainty Principle for the Short-time Special Affine Fourier Transform
The special affine Fourier transform (SAFT) generalizes a number of well known unitary transformations, signal processing transformations and optics...
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Discrete Fourier Transform and Computation
After completing this chapter, you should be able to understand about Discrete Fourier Transform (DFT) and establish its relationship with other...
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Windowed Octonionic Fourier Transform
In this article, we introduce the concept of the windowed octonion Fourier transform (WOFT) by taking the octonion-valued function as the window...
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Improved Radix-4 Fast Fourier Transform Algorithm Used for Wireless Communication
In this study, we proposed a superior Radix-4 Fast Fourier Transform technique. This may be accomplished using re-indexed samples generated by the...
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An Optimized Textual Document Categorization Based on Fast Fourier Transform
Introduction: This research on textual document categorization has experimented with a novel method using Fast Fourier Transform. Topic Modelling is...
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The Fourier Transform
Nonperiodic signals are an important class of signals. Nonperiodic signals can be obtained from periodic signals by letting the period tend to...
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A fast filtering method for digital signals of electronic measuring instruments in the laboratory based on Fourier transform
In response to a series of problems such as high computational complexity, slow processing speed, poor denoising effect, signal loss, energy...
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High-frame-rate Video-based Multicopter Tracking System Using Pixel-level Short-time Fourier Transform
In this study, we develop a telephoto pan-tilt drone search and track system for multicopters flying in a wide area spanning hundreds of meters,...
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Sentiment Analysis Through Fourier Transform Techniques in NLP
FNET encoder architecture can be compared with traditional transformer models, with limited accuracy loss by replacing self-attention sublayers that...