Energy-efficient fast Fourier transform for real-valued applications

C Eleftheriadis, G Karakonstantis - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
This brief presents a new energy efficient Fast-Fourier Transform (FFT) architecture for real-
valued applications. The proposed architecture decimates the FFT in time domain with bit …

[HTML][HTML] Towards single-component and dual-component radar emitter signal intra-pulse modulation classification based on convolutional neural network and …

S Yuan, P Li, B Wu - Remote Sensing, 2022 - mdpi.com
In the modern electromagnetic environment, the intra-pulse modulations of radar emitter
signals have become more complex. Except for the single-component radar signals, dual …

SonicFFT: A system architecture for ultrasonic-based FFT acceleration

DA Patel, VP Bui, KTC Chai, A Lal… - 2022 27th Asia and …, 2022 - ieeexplore.ieee.org
Fast Fourier Transform (FFT) is an essential algorithm for numerous scientific and
engineering applications. It is key to implement FFT in a high-performance and energy …

Dynamic discrimination method of seismic damage in tunnel portal based on improved wavelet packet transform coupled with Hilbert-Huang transform

Q Wang, P Geng, J Chen, C He - Mechanical Systems and Signal …, 2023 - Elsevier
An improved wavelet packet transformation (IWPT) combined with Hilbert-Huang
transformation (HHT) is proposed as a dynamic discrimination method (DDM) for seismic …

[HTML][HTML] Single-pixel full-field simultaneous spatial and velocity imaging

Z Yang, YM Bai, KX Huang, YX Liu, J Liu… - Optics and Lasers in …, 2023 - Elsevier
We propose a novel combination of coherent detection with single-pixel imaging to produce,
for the first time, single-pixel full-field simultaneous spatial and velocity imaging. We …

Study on spectrum characteristics and clustering of acoustic emission signals from rock fracture

Y Zhang, W Wu, X Yao, P Liang, L Sun… - Circuits, Systems, and …, 2020 - Springer
Acoustic emission signals are relevant to the process of rock failure. In this paper, acoustic
emission waveform signals during rock loading are acquired through uniaxial compression …

MIMO-OFDM LTE system based on a parallel IFFT/FFT on NoC-based FPGA

K Jallouli, M Mazouzi, JP Diguet, A Monemi… - Annals of …, 2022 - Springer
The growing demand for wireless devices capable of performing complex communication
processes has imposed an urgent need for high-speed communication systems and …

[PDF][PDF] Hardware Chip Performance of CORDIC Based OFDM Transceiver for Wireless Communication.

A Kumar, A Kumar, GS Tomar - Computer Systems Science & …, 2022 - cdn.techscience.cn
The fourth-generation (4G) and fifth-generation (5G) wireless communication systems use
the orthogonal frequency division multiplexing (OFDM) modulation techniques and …

Low‐power fast Fourier transform hardware architecture combining a split‐radix butterfly and efficient adder compressors

G Ferreira, G Paim, LMG Rocha… - IET Computers & …, 2021 - Wiley Online Library
Fast Fourier transform (FFT) is the most common low‐complexity implementation of the
discrete Fourier transform, intensively employed to process real‐world signals in smart …

[HTML][HTML] Gait can reveal sleep quality with machine learning models

X Liu, B Sun, Z Zhang, Y Wang, H Tang, T Zhu - PloS one, 2019 - journals.plos.org
Sleep quality is an important health indicator, and the current measurements of sleep rely on
questionnaires, polysomnography, etc., which are intrusive, expensive or time consuming …