Target detection in sea-clutter using stationary wavelet transforms

V Duk, L Rosenberg, BWH Ng - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
Small target detection in the maritime environment remains a challenging problem. Maritime
radars traditionally use non-coherent processing methods due to the time-varying and range …

Detection and localization of RF radar pulses in noise environments using wavelet packet transform and higher order statistics

OA Alyt, A Omar, A Elsherbeni - Progress In Electromagnetics Research, 2006 - jpier.org
Weak signal detection and localization are basic and important problems in radar systems.
Radar performance can be improved by increasing the receiver output signal-to-noise ratio …

Research on denoising method based on temperature and humidity profile lidar

B Zhang, G Fan, T Zhang - Scientific Reports, 2024 - nature.com
Due to the fact that the vibration and pure rotational Raman signals collected by the
temperature and humidity profile lidar were 3–4 orders of magnitude weaker than the Mie …

Accurate estimation of LPI radar pulse train parameters via change point detection

JH Bang, DH Park, W Lee, D Kim, HN Kim - IEEE Access, 2023 - ieeexplore.ieee.org
Estimating the time of arrival (TOA), pulse width (PW), and pulse repetition interval (PRI) is
critical for identifying the low probability of intercept (LPI) radar signals as it is common in …

Noise reduction for lidar returns using local threshold wavelet analysis

J Mao - Optical and Quantum Electronics, 2012 - Springer
Remote sensing technique of lidar belongs to the category of weak signal extraction under
strong background noise. For effectively reducing the noise of lidar return signal, a wavelet …

Weak signal detection method based on Duffing oscillator

J Wang, J Zhou, B Peng - Kybernetes, 2009 - emerald.com
Purpose–The purpose of this paper is to detect the periodic signal under strong noise
background, and estimate its amplitude/phase. Design/methodology/approach–Melnikov …

[PDF][PDF] 低信噪比下离散频率编码波形脉冲信号联合积累检测算法

魏嵩, 张磊, 马岩, 钟卫军 - 电子与信息学报, 2023 - jeit.ac.cn
雷达电子侦察环境下, 非合作目标发射的离散频率编码(DFC) 波形信号具有低截获,
抗干扰的特性, 在低信噪比(SNR) 条件下传统方法难以实现波形的稳健积累及准确的脉冲检测 …

Weak radar signal detection based on variable band selection

JW Shin, KH Song, KS Yoon… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
Electronic warfare support (ES) plays an important role in gathering and analyzing signals
from enemy emitters to provide friendly electronic attack (EA) systems or electronic …

Improved TOA and pulse width estimation for wideband signal in electronic warfare systems

JH Bang, DH Park, HN Kim - 2022 19th European Radar …, 2022 - ieeexplore.ieee.org
Estimating the parameters of the enemy's threat signal is an essential task in electronic
warfare support systems. Among the parameters, time of arrival (TOA) and pulse width (PW) …

A new selection method of singular values using correlation coefficients for detecting weak exponential damped sinusoidal signals under strong noise

T Zhang - Measurement Science and Technology, 2024 - iopscience.iop.org
Weak signal detection has garnered considerable attention in numerous research fields,
especially weak signal detection under strong noise, which is an urgent problem researches …