Search Results - "FAST Fourier transforms"

Acoustic resonant hydrogen leak detection for hydrogen production by water electrolysis.

Authors: Wang, Jianwei Wang, Huili Wang, Xueyuan

Source: Journal of Applied Physics. 1/21/2025, Vol. 137 Issue 3, p1-8. 8p.

Subject Terms: *ACOUSTIC resonators, *FAST Fourier transforms, *WATER electrolysis, *HYDROGEN detectors, *FINITE element method

Defective wheel detection via fast fourier transform for rolling stock.

Authors: Aziz, Pusparini Dewi Abd Azizol, Muhammad Firdaus Jabarullah, Noor Hafidzah et al.

Source: AIP Conference Proceedings. 2025, Vol. 3349 Issue 1, p1-12. 12p.

Subject Terms: *FAST Fourier transforms, *ROLLING stock, *LOCOMOTIVE maintenance & repair, *RAILROAD safety measures, *VIBRATION measurements

Aggregate: fast, accurate, and flexible approximation of compound probability distributions.

Authors: Mildenhall, Stephen¹ (AUTHOR) steve@convexrisk.com

Source: Annals of Actuarial Science. Jul2025, Vol. 19 Issue 2, p193-232. 40p.

Subject Terms: *DISTRIBUTION (Probability theory), FAST Fourier transforms, FOURIER transforms, EXPRESSIVE language, PYTHONS

Layout optimization of conformal arrays using near-field equivalent source-based iterative fast fourier transform technique and encrypting-thinning strategy.

Authors: Xu, Wei-Wei Jin, Fu-Long Wang, Zhipeng et al.

Source: Journal of Electromagnetic Waves & Applications. Nov2025, p1-16. 16p. 8 Illustrations.

Subject Terms: *FAST Fourier transforms, *SPATIAL arrangement, *SIGNAL processing

EdgeConnect model based on Fourier convolution for Dunhuang mural costume image restoration.

Authors: Ren, Hui Zhang, Chengya Li, Zhen et al.

Source: npj Heritage Science. 11/21/2025, Vol. 13 Issue 1, p1-11. 11p.

Subject Terms: *INPAINTING, *FAST Fourier transforms, *CULTURAL property, *IMAGE reconstruction, *IMAGE quality in imaging systems

Geographic Terms: DUNHUANG (China)

Optimized FFT Designs for High-Performance LTE and 5G Networks.

Authors: Khan, Daud Jan, Latif Zafar, Mohammad Haseeb

Source: Arabian Journal for Science & Engineering (Springer Science & Business Media B.V. ). Nov2025, Vol. 50 Issue 21, p17555-17574. 20p.

Subject Terms: *5G networks, *FAST Fourier transforms, *BANDWIDTHS, *PROGRAMMABLE logic devices, *LONG-Term Evolution (Telecommunications), *MODULAR design, *APPLICATION-specific integrated circuits

Structural damage detection utilizing probabilistic divergence of FFT coefficient ratios and DBSCAN cluster algorithm.

Authors: Li, Guoqing Wei, Hao

Source: Latin American Journal of Solids & Structures. 2025, Vol. 22 Issue 11, p1-22. 22p.

Subject Terms: *STRUCTURAL health monitoring, *FAST Fourier transforms, *MODEL validation, *FAULT diagnosis, *STOCHASTIC models, *STATISTICAL measurement, *CLUSTERING algorithms

Characterization of stress serrations in AlMg alloys.

Authors: Harangozó, Dóra Czinege, Imre

Source: International Journal of Lightweight Materials & Manufacture. Nov2025, Vol. 8 Issue 6, p805-814. 10p.

Subject Terms: *ALUMINUM alloys, *FAST Fourier transforms, *DEFORMATIONS (Mechanics), *STRAINS & stresses (Mechanics), *COLD rolling, *TENSILE strength, *HEAT treatment, *TIME-frequency analysis

FFTMed: leveraging fast-fourier transform for a lightweight and adversarial-resilient medical image segmentation framework.

Authors: Pham, Viet Tien Ha, Minh Hieu Bui, Bao V. Q. et al.

Source: Scientific Reports. 10/29/2025, Vol. 15 Issue 1, p1-15. 15p.

Subject Terms: *FAST Fourier transforms, *IMAGE segmentation, *COMPUTER-aided diagnosis, *ARTIFICIAL neural networks, *NOISE control, *ROBUST statistics, *BENCHMARK problems (Computer science)

Frequency spectrum-based diagnosis of structural gear faults using dual-sensor acoustic and vibration signals.

Authors: Muhammad, Tauqir Chang, Shinn- Liang

Source: Nondestructive Testing & Evaluation. Oct2025, p1-25. 25p. 14 Illustrations.

Subject Terms: *ACOUSTIC emission, *FAST Fourier transforms, *REAL-time computing, *DETECTORS, *ENGINEERING systems, *MECHANICAL vibration research

Direct FFT oversampling without zero-padding.

Authors: Donciu, Codrin Temneanu, Marinel Costel Serea, Elena

Source: Scientific Reports. 10/24/2025, Vol. 15 Issue 1, p1-11. 11p.

Subject Terms: *FAST Fourier transforms, *SIGNAL processing, *SPECTRAL analysis (Phonetics)

Togunggak: Traditional Music of Kadazandusun.

Authors: Duin, Ezra M. A. Hamdan, Sinin Said, Khairul A. M. et al.

Source: BioResources. 2025, Vol. 20 Issue 4, p9753-9767. 15p.

Subject Terms: *FAST Fourier transforms, *FREQUENCY spectra, *RESONANCE, *FOLK music, *PERCUSSION instruments, *MUSICAL intervals & scales

Hierarchical style transfer for enhancing feature diversity in long-tailed visual recognition.

Authors: Hu, Lintao Chen, Zhao-Min Chen, Huiling et al.

Source: Cluster Computing. Oct2025, Vol. 28 Issue 5, p1-16. 16p.

Subject Terms: *FAST Fourier transforms, *DEEP learning, *KNOWLEDGE transfer

Computation of the marine full tensor gravity gradient from satellite altimetry in a local planar coordinate system.

Authors: Ye, Zhourun Liang, Xinghui Bian, Shaofeng et al.

Source: Studia Geophysica & Geodaetica. Oct2025, Vol. 69 Issue 2, p118-141. 24p.

Subject Terms: *FAST Fourier transforms, *GEOPHYSICAL observations, *OCEAN bottom, *CARTESIAN coordinates, *GEOLOGICAL research, *REMOTE sensing

Rapid Temperature Prediction Model for Large-Scale Seasonal Borehole Thermal Energy Storage Unit.

Authors: Zhao, Donglin Cui, Mengying Yang, Shuchuan et al.

Source: Energies (19961073). Oct2025, Vol. 18 Issue 19, p5326. 23p.

Subject Terms: *FAST Fourier transforms, *TEMPERATURE distribution, *THERMAL conductivity, *MECHANICAL efficiency, *PREDICTION algorithms, *MINIMUM temperature forecasting, *HEAT storage

Outlier Correction in Remote Sensing Retrieval of Ocean Wave Wavelength and Application to Bathymetry.

Authors: Xu, Zhengwen Zhu, Shouxian Zhang, Wenjing et al.

Source: Remote Sensing. Oct2025, Vol. 17 Issue 19, p3284. 22p.

Subject Terms: *BATHYMETRY, *FAST Fourier transforms, *OCEANOGRAPHIC maps, *IMAGE processing, *OCEAN waves, *OUTLIERS (Statistics), *SIGNAL processing, *REMOTE sensing

Efficient real space formalism for hybrid density functionals.

Authors: Jing, Xin Suryanarayana, Phanish

Source: Journal of Chemical Physics. 8/28/2024, Vol. 161 Issue 8, p1-10. 10p.

Subject Terms: *DENSITY functionals, *FAST Fourier transforms, *FUNCTION spaces, *LAPLACIAN matrices, *DENSITY functional theory

Manufacturing process selection based on similarity search: incorporating non-shape information in shape descriptor comparison.

Authors: Wang, Zhichao Yan, Xiaoliang Bjorni, Jacob et al.

Source: Journal of Intelligent Manufacturing. Apr2025, Vol. 36 Issue 4, p2509-2536. 28p.

Subject Terms: *MANUFACTURING processes, *PRODUCTION engineering, *ARTIFICIAL intelligence, FAST Fourier transforms, SPHERICAL harmonics, TRIANGLES, DEEP learning, IMAGE representation

Pricing Embedded Options Using Fast Fourier Transform to Compare Variance Gamma and Black-Scholes-Merton Model Efficiency.

Authors: Barati, Alireza Araghi, Maryam Khalili

Source: Iranian Journal of Finance. 2025, Vol. 9 Issue 2, p54-69. 16p.

Subject Terms: *PRICES, *STOCHASTIC processes, FAST Fourier transforms, BLACK-Scholes model, SIMPLEX algorithm

Complete Ensemble Empirical Mode Decomposition with Adaptive Noise to Extract Deep Information of Bearing Fault in Steam Turbines via Deep Belief Network.

Authors: Wang, Yashun Xu, Wei

Source: International Journal of High Speed Electronics & Systems. Jun2025, Vol. 34 Issue 2, p1-22. 22p.

Subject Terms: *DATABASES, FAST Fourier transforms, TIME-frequency analysis, FAULT diagnosis, STEAM-turbines, HILBERT-Huang transform