Skip to Content

14 Results Found

  • Article
  • Open Access
2 Citations
2,664 Views
22 Pages

20 August 2022

Although widely used in various fields due to its powerful capability of signal processing, empirical mode decomposition has to decompose signals separately, which limits its application for multivariate data such as the structural monitoring data re...

  • Article
  • Open Access
6 Citations
3,437 Views
17 Pages

Frequency Analysis of Acoustic Data Using Multiple-Measurement Sparse Bayesian Learning

  • Myoungin Shin,
  • Wooyoung Hong,
  • Keunhwa Lee and
  • Youngmin Choo

30 August 2021

Passive sonar systems are used to detect the acoustic signals that are radiated from marine objects (e.g., surface ships, submarines, etc.), and an accurate estimation of the frequency components is crucial to the target detection. In this paper, we...

  • Article
  • Open Access
319 Views
23 Pages

Accurate Solar Radiation Forecasting Using Spectral Feature Engineering and Bayesian Optimization

  • Farrukh Hafeez,
  • Zeeshan Ahmad Arfeen,
  • Muhammad I. Masud,
  • Mehreen Kausar Azam,
  • Saud Al-Shammari,
  • Mohammed Aman,
  • Muhammad Hamid and
  • Muhammad Inam ul Haq

10 February 2026

For efficient grid operation and energy management, accurate forecasting of solar radiation is essential. The unpredictable nature of weather makes this task challenging to accomplish. Existing forecasting models fail to deliver accurate results unde...

  • Article
  • Open Access
8 Citations
3,228 Views
24 Pages

15 February 2023

In a distributed frequency-modulated continuous waveform (FMCW) radar system, the echo data collected are not continuous in the azimuth direction, so the imaging effect of the traditional range-Doppler (RD) algorithm is poor. Sparse Bayesian learning...

  • Article
  • Open Access
3 Citations
3,534 Views
16 Pages

2 August 2022

For millimeter-wave (MMW) imaging security systems, the image resolution promisingly determines the performance of suspicious target detection and recognition. Conventional synthetic aperture radar (SAR) imaging algorithms only provide limited resolu...

  • Article
  • Open Access
3 Citations
1,906 Views
21 Pages

Dynamic Load Identification of Unspecified Metal Structures by Measuring Their Response

  • Jinhui Jiang,
  • Nansun Shen,
  • M. Shadi Mohamed and
  • Fang Zhang

2 November 2022

Many engineering structures are made of metal composite materials. External load information is a key issue for the design and condition monitoring of the structures. Due to the limitation of measurement technology and the external environment, it is...

  • Article
  • Open Access
3 Citations
2,427 Views
26 Pages

23 December 2023

The harsh working environment of hydrogen refueling stations often causes equipment failure and is vulnerable to mechanical noise during monitoring. This limits the accuracy of equipment monitoring, ultimately decreasing efficiency. To address this i...

  • Article
  • Open Access
751 Views
20 Pages

14 November 2025

These days, the prices of fruits and vegetables fluctuate significantly, causing issues in the supply chain and for perishable products. This study aimed to use hybrid machine learning methods to cluster regional Chilean produce from 2015 to 2023 bas...

  • Article
  • Open Access
6 Citations
6,114 Views
15 Pages

28 April 2016

This paper presents a novel Inverse Synthetic Aperture Radar Imaging (ISAR) algorithm based on a new sparse prior, known as the logarithmic Laplacian prior. The newly proposed logarithmic Laplacian prior has a narrower main lobe with higher tail valu...

  • Article
  • Open Access
4 Citations
2,279 Views
22 Pages

1 July 2023

High-speed maneuvering target inverse synthetic aperture radar (ISAR) imaging is always a hot topic in signal processing. High-speed maneuvering targets often have high-order maneuvering characteristics, such as translational and rotational character...

  • Article
  • Open Access
2 Citations
2,068 Views
18 Pages

5 June 2025

Machining efficiency and stability are crucial for achieving high-quality manufacturing outcomes. One of the primary challenges in machining is the suppression of chatter, which negatively impacts surface finish, tool longevity, and overall process r...

  • Article
  • Open Access
2 Citations
1,427 Views
21 Pages

27 March 2025

Online monitoring of partial discharge (PD) is a complex task traditionally requiring specialized expertise. However, recent advancements in signal processing and machine learning have facilitated the development of automated tools to identify and ca...

  • Article
  • Open Access
1 Citations
520 Views
24 Pages

25 December 2025

Robust condition monitoring of wind turbine blades is essential for reducing downtime and maintenance costs, particularly under variable operating conditions. While recent studies suggest that combining trend monitoring (TM) with change point detecti...

  • Article
  • Open Access
3 Citations
1,031 Views
23 Pages

12 November 2025

Bearing fault diagnosis encounters limitations including insufficient accuracy, elevated model complexity, and demanding hyperparameter optimization. This research introduces a diagnostic framework combining variational mode decomposition (VMD) and f...