Search Results - "Frequency-domain analysis"

Dorsal hand vein biometric recognition: A comparative analysis of feature extraction methods.

Authors: Deepika, Kumari Punj, Deepika Verma, Jyoti

Source: Communications in Statistics: Case Studies & Data Analysis. May2026, p1-13. 13p. 11 Illustrations.

基于多视图特征对比学习的多维时序异常检测.

Alternate Title: Multivariate time series anomaly detection based on multi-view feature contrastive learning.

Authors: 邱鸿锐 王超群 柳 毅 et al.

Source: Computer Engineering & Science / Jisuanji Gongcheng yu Kexue. Apr2026, Vol. 48 Issue 4, p628-639. 12p.

Subjects: Contrastive learning, Frequency-domain analysis, Time-domain analysis, Outlier detection

A Wavelet-Enhanced Detector for Tiny Objects in Remote-Sensing Images.

Authors: Xu, Weifan Hu, Yong

Source: Remote Sensing. Apr2026, Vol. 18 Issue 8, p1109. 18p.

Subjects: Frequency-domain analysis, Wavelet transforms, Object recognition (Computer vision), Loss functions (Statistics), Remote-sensing images

RShDet: An Adaptive Spectral-Aware Network for Remote Sensing Object Detection Under Haze Corruption.

Authors: Zhang, Wei Wang, Yuantao Yang, Haowei et al.

Source: Remote Sensing. Apr2026, Vol. 18 Issue 7, p1020. 30p.

Subjects: Haze, Frequency-domain analysis, Machine learning, Image enhancement (Imaging systems), Agricultural drones, Object recognition (Computer vision), Remote sensing

Research on Multiaxial Random Vibration Fatigue Assessment Method for Vehicle-Mounted Equipment Based on IEC 61373 Standard.

Authors: Luo, Zhixiang Guang, Chengrui Liu, Yi et al.

Source: Materials (1996-1944). Apr2026, Vol. 19 Issue 7, p1450. 24p.

Subjects: Random vibration, Frequency-domain analysis, Fatigue testing machines, Welded steel structures, Railroad equipment, Shearing force, Vibration tests

Complex Spectral Signal Processing Model Based on Hypernetwork Architecture and Super‐Resolution Reconstruction.

Authors: Zhang, Ziying Zhang, Yi Sen, Smritijit

Source: Modelling & Simulation in Engineering. 4/17/2026, Vol. 2026, p1-13. 13p.

Subjects: Mean square algorithms, Frequency-domain analysis

Research on driving fatigue detection model in plateau based on steering wheel indicators.

Authors: Guo, Xinyi Wang, Yuchen Chen, Fei et al.

Source: Canadian Journal of Civil Engineering. 2025, Vol. 52 Issue 6, p1139-1151. 13p.

Weighted Group Consensus of Heterogeneous MASs Without Spanning Trees: A Complex Frequency‐Domain Approach Under Time Delays and Packet Loss.

Authors: Sun, Xia Pu, Xingcheng Wang, Qingling

Source: Complexity. 6/19/2026, Vol. 2026, p1-19. 19p.

Intelligent RF Signal Monitoring and Threat Detection.

Authors: Kumar, Chinmay Kumar, Gourav Singh, Sehejdeep et al.

Source: Progress in Electromagnetics Research C; 2026, Vol. 168, p11-20, 10p

SpecBEV: An End-to-End BEV 3D Object Detection Algorithm Based on Frequency-Domain Analysis and Geometric Alignment.

Authors: Lin, Yu Jia, Shijie

Source: Sensors (14248220). Jun2026, Vol. 26 Issue 11, p3551. 21p.

Frequency-Aware Refinement Network with Multi-Scale Fusion for Remote Sensing Change Detection.

Authors: Zhang, Xu Du, Yue Zhang, Zeyu et al.

Source: Sensors (14248220). Jun2026, Vol. 26 Issue 11, p3538. 19p.

Comparison of time and frequency domain analysis of propeller loading noise.

Authors: Corbishley, Thomas Joseph, Phillip Chaitanya, Paruchuri

Source: International Journal of Aeroacoustics. Jun2026, Vol. 25 Issue 3/4, p328-352. 25p.

Extreme Risk Connectedness in the Chinese Stock Market: New Evidence from High-Dimensional Multilayer Frequency-Domain Networks.

Authors: Yi, Jia Deng, Yaoxun

Source: Mathematics (2227-7390). Jun2026, Vol. 14 Issue 11, p1844. 32p.

A Vibration Measurement Data Enhancement Approach Based on Variational Autoencoders for Structural Health Monitoring.

Authors: Battista, Gianmarco Pavoni, Stefano Vanali, Marcello

Source: Applied Sciences (2076-3417); May2026, Vol. 16 Issue 10, p4844, 34p

Recent Advances and Future Prospects of Bayesian Operational Modal Analysis: Identification Algorithms, Uncertainty Computation, and Applications.

Authors: Xu, Wei Guan, Ziyu Zhu, Yichen

Source: Buildings (2075-5309); May2026, Vol. 16 Issue 9, p1807, 32p

FSD-Net: A Siamese Dual Detail Recovery Network for High Resolution Remote Sensing Change Detection Based on Frequency Domain Sensing.

Authors: Li, Jiajian Peng, Ran Nie, Yuhao et al.

Source: Applied Sciences (2076-3417); May2026, Vol. 16 Issue 9, p4240, 42p

AmpFormer: Amplitude-Aware Spectral Recalibration for Shadow Removal.

Authors: Wei, Lianmeng Luo, Sihui

Source: Applied Sciences (2076-3417); May2026, Vol. 16 Issue 9, p4118, 17p

Contactless Microwave-Based Estimation of Complex Permittivity of Masonry Materials: A Frequency-Domain Approach.

Authors: Szczepaniak, Zenon Juszczyński, Paweł Susek, Waldemar et al.

Source: Sensors (14248220). May2026, Vol. 26 Issue 9, p2693. 23p.

ENHANCED FREQUENCY-DOMAIN MODELING AND DESIGN OF EMI FILTERS USING TWO-PORT NETWORK THEORY AND SECOND-ORDER SYSTEM ANALYSIS.

Authors: Damirova, Javida Heydarli, Sanan Samedova, Shafaq et al.

Source: EUREKA: Physics & Engineering. 2026, Issue 3, p75-84. 10p.

A Very Fast Method for Solving Electrical Circuits with Nonlinear Resistive Elements.

Authors: Tufan, Claudiu Gheorghe, Alexandru Gabriel Vasilescu, George Marian

Source: Mathematics (2227-7390). May2026, Vol. 14 Issue 9, p1493. 14p.