Automatic recognition of general LPI radar waveform using SSD and supplementary classifier

LM Hoang, M Kim, SH Kong - IEEE Transactions on Signal …, 2019 - ieeexplore.ieee.org
For low probability of intercept (LPI) radars, frequency-modulated and phase-modulated
continuous waveforms are widely used because of their low peak power compared to that of …

Semantic learning for analysis of overlapping LPI radar signals

K Chen, L Wang, J Zhang, S Chen… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
The increasingly complex radio environment may cause the received low probability of
intercept (LPI) radar signals to overlap in time–frequency domains. Analyzing overlapping …

On the estimation of LFM signal parameters: Analytical formulation

A Serbes - IEEE Transactions on Aerospace and Electronic …, 2017 - ieeexplore.ieee.org
We propose analytical formulations, approximations, upper and lower bounds for the angle
sweep of maximum magnitude of fractional Fourier transform of mono-and multicomponent …

Performance of chirp parameter estimation in the fractional Fourier domains and an algorithm for fast chirp-rate estimation

O Aldimashki, A Serbes - IEEE Transactions on Aerospace and …, 2020 - ieeexplore.ieee.org
This article addresses the problem of fast and accurate chirp signal parameter estimation in
fractional Fourier domains. By employing a perturbation analysis, it is shown that the …

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 …

Recognition and Estimation for Frequency-Modulated Continuous-Wave Radars in Unknown and Complex Spectrum Environments

K Chen, J Zhang, S Chen, S Zhang… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
The recognition and estimation of frequency-modulated continuous-wave (FMCW) radar
signals are critical for both military electronic countermeasures and civilian autonomous …

Chirp Rates Estimation for Multiple LFM Signals by DPT–SVD

L Qi, Z Shen, Q Guo, Y Wang, K Mykola - Circuits, Systems, and Signal …, 2023 - Springer
To address the problem of fast and accurate chirp rates estimation for multiple linear
frequency-modulated (LFM) signals, we propose a chirp rates estimation method by discrete …

LFM signal parameter estimation in the fractional Fourier domains: Analytical models and a high-performance algorithm

O Aldimashki, A Serbes - Signal Processing, 2024 - Elsevier
The index of the peak magnitude of the fractional Fourier transform (FrFT) of linear frequency
modulated (LFM) signals has been widely used as a powerful chirp-rate estimator. In this …

On a Closer Look of a Doppler Tolerant Noise Radar Waveform in Surveillance Applications

M Barbosa, L Pralon, ALL Ramos, JA Apolinário Jr - Sensors, 2024 - mdpi.com
The prevalence of Low Probability of Interception (LPI) and Low Probability of Exploitation
(LPE) radars in contemporary Electronic Warfare (EW) presents an ongoing challenge to …

Spatial time-frequency distribution of cross term-based direction-of-arrival estimation for weak non-stationary signal

S Shao, A Liu, C Yu, H Yang, Y Li, B Li - EURASIP Journal on Wireless …, 2019 - Springer
In the radar array signal processing direction of arrival (DOA), the estimation of weak non-
stationary signal is an important and difficult problem when both strong and weak signals …