Results 11 to 20 of about 28,257 (266)

SMUL-FFT: A Streaming Multiplierless Fast Fourier Transform [PDF]

open access: yesIEEE Transactions on Circuits and Systems II: Express Briefs, 2021
IEEE Transactions on Circuits and Systems II. Express Briefs, 68 (5)
Seyed Hadi Mirfarshbafan   +2 more
openaire   +2 more sources

High Performance DIF-FFT Using Dissimilar Partitioned LUT Based Distributed Arithmetic [PDF]

open access: yesInternational Journal of Electronics and Telecommunications, 2021
Real-time data processing systems utilize Digital Signal Processing (DSP) functions as the base modules. Most of the DSP functions involve the implementation of Fast Fourier Transform (FFT) to convert the signals from one domain to another domain.
Kusma Kumari Cheepurupalli   +3 more
doaj   +1 more source

Arbitrary Sampling Fourier Transform and Its Applications in Magnetic Field Forward Modeling

open access: yesApplied Sciences, 2022
Numerical simulation and inversion imaging are essential in geophysics exploration. Fourier transform plays a vital role in geophysical numerical simulation and inversion imaging, especially in solving partial differential equations.
Shikun Dai   +4 more
doaj   +1 more source

Implementing EW Receivers Based on Large Point Reconfigured FFT on FPGA Platforms [PDF]

open access: yesInternational Journal of Computational Intelligence Systems, 2011
This paper presents design and implementation of digital receiver based on large point fast Fourier transform (FFT) suitable for electronic warfare (EW) applications.
He Chen   +3 more
doaj   +1 more source

Development of Deep Convolutional Neural Network with Adaptive Batch Normalization Algorithm for Bearing Fault Diagnosis

open access: yesShock and Vibration, 2020
It is crucial to carry out the fault diagnosis of rotating machinery by extracting the features that contain fault information. Many previous works using a deep convolutional neural network (CNN) have achieved excellent performance in finding fault ...
Chao Fu, Qing Lv, Hsiung-Cheng Lin
doaj   +1 more source

SPECTRAL ESTIMATION OF TIME SERIES

open access: yesСовременная наука и инновации, 2022
As a result of spectral analysis, namely, the fast Fourier transform (FFT) method, the wavelet transform method, the Hilbert-Huang transform method, certain periods of the time series representing the monthly average values of the sunspot numbers were ...
L. N. Dzhimbeeva   +5 more
doaj   +1 more source

Performance Analysis of Framelet Based OFDM System Under Different Channel Conditions [PDF]

open access: yesEngineering and Technology Journal, 2012
In this paper, the Framelet Transform (FT) is proposed as a new modulation technique in the realization of Orthogonal Frequency Division Multiplexing (OFDM).
Atheer A. Sabri, Ziad Q. Abdulkareem
doaj   +1 more source

Pemantauan Flicker Tengangan Menggunakan Fast fourier transform (FFT)

open access: yesVoteteknika (Vocational Teknik Elektronika dan Informatika), 2021
Laju elektrifikasi Sumatera Barat 92,96%. Jumlah ini akan terus meningkat setiap tahun, dan dengan meningkatnya laju elektrifikasi di Sumatera Barat maka kualitas daya yang dibutuhkan akan meningkat. Di sisi lain, peningkatan kecepatan pengisian menyebabkan penurunan kualitas daya. Kualitas daya sistem tenaga dipengaruhi oleh gangguan. Dengan kata lain,
Rani Kurnia, Riki Mukhaiyar
openaire   +2 more sources

PAPR reduction of OFDM systems using H-SLM method with a multiplierless IFFT/FFT technique

open access: yesETRI Journal, 2022
This study proposes a novel low-complexity algorithm for computing inverse fast Fourier transform (IFFT)/fast Fourier transform (FFT) operations in binary phase shift keying-modulated orthogonal frequency division multiplexing (OFDM) communication ...
Namitha A. Sivadas
doaj   +1 more source

Accurate Frequency Estimator of Sinusoid Based on Interpolation of FFT and DTFT

open access: yesIEEE Access, 2020
An accurate frequency estimator of complex sinusoid in additive white noise is proposed. It is based on interpolation of Fast Fourier Transform (FFT) and Discrete-Time Fourier Transform (DTFT).
Lei Fan   +5 more
doaj   +1 more source

Home - About - Disclaimer - Privacy