Search Results - "Time-frequency analysis"

Commodity market during post-Russia–Ukraine conflict: evidence from a dynamic frequency connectedness approach.

Authors: Ma, Xiaoan Wang, Shouyang Xu, Rongwei et al.

Source: Applied Economics Letters. Oct2026, Vol. 33 Issue 17, p3217-3226. 10p.

Systemic Financial Risk Spillover Between Traditional-Energy and New-Energy Markets: A Quantile Time–Frequency Network with Link Prediction.

Authors: Jin, Wenxuan Yuan, Di Wang, Peilin et al.

Source: International Journal of Financial Studies. Sep2026, Vol. 14 Issue 9, p242. 39p.

Time‐Frequency Market‐State Learning for Execution‐Aware Directional Prediction: Evidence From the CSI 300 Index.

Authors: Chen, Yi Jing, Ranzhe Li, Qiang

Source: International Studies of Economics. Oct2026, p1. 19p. 5 Illustrations.

From algorithms to electrons: return transmission dynamics between AI and energy tokens.

Authors: Talib, Irfan Naveed, Muhammad Mumtaz, Tanzeel et al.

Source: Future Business Journal. 9/23/2026, Vol. 12 Issue 1, p1-18. 18p.

Financial market high-low volatility spillover and portfolio allocation: a time frequency analysis.

Authors: Qi, Agudamu Yuan, Ying Liu, Peng

Source: Applied Economics. Aug2026, Vol. 58 Issue 40, p8467-8486. 20p.

Unveiling Bitcoin's Financialization via Multivariate Wavelet Analysis.

Authors: Muñoz-Carballo, Javier-Basilio Prado-Dominguez, Antonio-Javier Rodriguez-Lopez, Manuel et al.

Source: FinTech. Sep2026, Vol. 5 Issue 3, p76. 29p.

双骨干轻量抗噪的无人机射频信号识别模型.

Alternate Title: A Dual-backbone Lightweight and Noise-robust Model for UAV RF Signal Recognition.

Authors: 尹 童 伍 春 江 虹 et al.

Source: Telecommunication Engineering. Aug2026, Vol. 66 Issue 8, p1298-1307. 10p.

Motor-Current-Based Bearing Fault Detection Under Unseen Operating Conditions.

Authors: Cekic, Yalcin Akan, Aydin

Source: Energies (19961073). Aug2026, Vol. 19 Issue 16, p3884. 31p.

Subject Terms: *Wavelet transforms, *Time-frequency analysis

Field FBG monitoring of helicopter landing gear: data integrity screening and time–frequency characterization of operational events.

Authors: Vendittozzi, Cristian Brindisi, Angela Concilio, Antonio et al.

Source: Fracture & Structural Integrity. Oct2026, Issue 78, p519-540. 22p.

Subjects: Fiber Bragg gratings, Time-frequency analysis, Strain sensors, Data integrity, Landing gear, Signal processing, Structural health monitoring

Identification technique for impulsive seismic motions based on the combination of EAMRCM and SVM.

Authors: Liang, Mingshi Jiang, Liqiang Zhang, Jin et al.

Source: Advances in Structural Engineering. Oct2026, Vol. 29 Issue 14, p2860-2874. 15p.

Subjects: Support vector machines, Time-frequency analysis, Signal processing, Principal components analysis

Prior-Guided Lightweight Dual-Task Network for Composite Active Jamming Recognition and Time-Frequency Parameter Estimation in Radar Remote Sensing.

Authors: Qiu, Tianyu Zan, Yinkai Li, Xiaoxiong et al.

Source: Remote Sensing. Sep2026, Vol. 18 Issue 17, p2946. 33p.

Subjects: Remote sensing by radar, Time-frequency analysis, Electromagnetic interference detection

To Enhance the Prediction Accuracy of Carbon Trading Price: A Novel Model Combining Time–Frequency Decomposition and Hybrid Attention Mechanism.

Authors: Cui, Haochu Sun, Yan Cheng, Peiyue

Source: International Journal of Intelligent Systems. 9/7/2026, Vol. 2026, p1-21. 21p.

Subjects: Carbon pricing, Time-frequency analysis, Forecasting, Moving average process, Fast Fourier transforms, Greenhouse gas mitigation

Geographic Terms: Hubei Sheng (China)

Extraction of bearing fault features by sliding time-frequency synchronous averaging by maximum amplitudes at potential fault frequencies in envelope spectrum.

Authors: Liu, Tao Wang, Shufeng Hu, Lin et al.

Source: Nondestructive Testing & Evaluation. Sep2026, Vol. 41 Issue 9, p5640-5666. 27p.

Subjects: Time-frequency analysis, Feature extraction, Frequency spectra, Signal processing, Fault diagnosis

A temporal-frequency contrastive learing method for acoustic-based mechanical fault detection in gas-insulated switch-gear.

Authors: Sheng, Yeduo Zhang, Bo Zhang, Zipeng et al.

Source: Nondestructive Testing & Evaluation. Aug2026, Vol. 41 Issue 8, p4541-4563. 23p.

Subjects: Time-frequency analysis, Contrastive learning, Fault diagnosis, Machine learning

A Machine Learning Framework for the Identification of Ion Channel Isoforms Via Stochastic Gating Signatures.

Authors: Demirtaş, Mustafa Aksoy, Abdullah Yiğit, Enes

Source: International Journal of Intelligent Systems. 8/30/2026, Vol. 2026, p1-12. 12p.

Subjects: Time-frequency analysis, Ensemble learning, Classification, Feature extraction, Signal processing, Machine learning, Ion channels

An STFT‐Based Conditional Generative Adversarial Network for Ground Motion Generation.

Authors: Yi, Jiang Chen, Kai Zou, Li et al.

Source: Advances in Civil Engineering; 10/6/2026, Vol. 2026, p1-15, 15p

Multiscale Stepwise Learning Network for Seismic Impedance Inversion.

Authors: Zhang, Yang Cao, Hong Yang, Zhifang et al.

Source: Applied Sciences (2076-3417); Sep2026, Vol. 16 Issue 18, p9358, 17p

Temporal Spectral Analysis of Late-Time Error in a Physics-Informed Neural Network Solution of the One-Dimensional Advection–Diffusion Equation.

Authors: Díaz-León, David Lain, Santiago Garzón-Alvarado, Diego et al.

Source: Mathematics (2227-7390). Sep2026, Vol. 14 Issue 17, p3208. 34p.

MACHINE LEARNING APPROACH FOR RADAR-BASED HAND GESTURE RECOGNITION USING DIFFERENT FEATURE EXTRACTION METHODS.

Authors: YILDIZ, İsmail ŞLFLLK, İbrahim

Source: Konya Journal of Engineering Sciences / Konya Mühendislik Bilimleri Dergisi; Sep2026, Vol. 14 Issue 3, p1807-1819, 13p

Multi-Feature Characterization and Numerical Simulation of Interfacial Damage in Thermal Barrier Coatings Using Immersion Ultrasonics.

Authors: Tang, Ziqiao Zhou, Xiaoheng Hu, Yu et al.

Source: Coatings (2079-6412); Sep2026, Vol. 16 Issue 9, p1046, 28p