FPGA-based Wigner–Hough transform system for detection and parameter extraction of LPI radar LFMCW signals

KK Guner, TO Gulum, B Erkmen - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Low probability of intercept (LPI) radars using linear frequency-modulated continuous
waveforms (LFMCWs) is rapidly proliferating in the military domain and posing a serious …

Time–frequency distribution characteristic and model simulation of photovoltaic series arc fault with power electronic equipment

S Chen, X Li, Z **e, Y Meng - IEEE Journal of Photovoltaics, 2019 - ieeexplore.ieee.org
In the photovoltaic (PV) system, the electrical characterization of series arc faults would be
inevitably interfered by power electronic equipment. Existing methods are unable to …

Fast detection of small targets in high-resolution maritime radars by feature normalization and fusion

ZX Guo, XH Bai, JY Li, PL Shui - IEEE Journal of Oceanic …, 2022 - ieeexplore.ieee.org
Joint exploitation of multiple features is a recognized way to implement the effective
detection of small targets on the sea in high-resolution maritime radars at the dwelling mode …

Fast principal component analysis‐based detection of small targets in sea clutter

JY Li, PL Shui, ZX Guo, SW Xu - IET Radar, Sonar & Navigation, 2022 - Wiley Online Library
Aiming at fast small target detection in high‐resolution maritime surveillance radars, this
letter proposes a fast detection method using multiple salient features extracted from radar …

Hardware implementation of a high-resolution auto-tuned time-frequency signal analyzer over TMS320C6713 DSK using a compact support polynomial kernel

I Lantri, M Abed, A Belouchrani - Microprocessors and Microsystems, 2025 - Elsevier
This paper explores the hardware implementation of an embedded time-frequency signal
analyzer using the Polynomial Cheriet-Belouchrani Distribution (PCBD) with a compact …

Reduction of Interference Terms in Wigner Ville Distribution using Machine Learning

SVV Satyanarayana, B Murali Krishna… - Circuits, Systems, and …, 2024 - Springer
The present work introduces an Field Programmable Gate Array (FPGA) implementation of
the Fractional Fourier filtering technique (FrFt) to reduce the issue of interference-terms in …

Floating small target detection based on the dual-polarization cross-time-frequency distribution in sea clutter

X Bai, S Xu, Z Guo, P Shui - Digital Signal Processing, 2022 - Elsevier
In this paper, a polarization fusion detection method based on dual-polarization cross-time-
frequency distribution is proposed to improve the detection performance compared with the …

A threshold activation-based simplified Lv's transform algorithm for transient multi-component linear frequency modulation signals analysis

M Lei, P Ye, C Li, K Yang - Review of Scientific Instruments, 2024 - pubs.aip.org
The high sampling rate in modern digital systems generates a large scale of data. To
address the computational burden, this paper proposes a threshold activation-based …

Design and Implementation of Time-Frequency Distributions for Real-Time Applications Using Field Programmable Gate Array

BM Krishna, BT Krishna, K Babulu - Journal of Circuits, Systems and …, 2022 - World Scientific
In this paper, time-frequency distributions (TFDs) and their hardware implementation on
FPGA are presented. TFDs are evolved due to disadvantage of Fourier Transform (FT) …

Efficient method for the field‐programmable gate arrays calculation of Wigner‐Ville distribution

XW Zhang, L Zuo, WZ Huang, JX Guo - IET Signal Processing, 2019 - Wiley Online Library
Various signals of finite length are often analysed by the Wigner‐Ville distribution (WVD).
Thus, this article deals with the implementation of their discrete WVDs on field …