Search Results - "Fourier transforms"

Effect of Frequency Domain Filtering on Fourier Transform Based Phase Extraction.

Authors: Padghan, Prafull Nalle, Pallavi Atole, Vaishnavi et al.

Source: EPJ Web of Conferences. 6/26/2026, Vol. 375, p1-11. 11p.

Analytical Modeling of Advection–Conduction Heat Transfer Outside Borehole Heat Exchangers Under Dirichlet Boundary Conditions.

Authors: Wei, Ting Wang, Lijuan Ren, Honglei et al.

Source: Energies (19961073). May2026, Vol. 19 Issue 9, p2206. 19p.

Subject Terms: *Fourier transforms, *Boundary value problems, *Mathematical analysis, *Heat convection, *Numerical analysis, *Geothermal wells, *Groundwater flow, *Ground source heat pump systems

Uncertainty-Aware Keypoint Guidance and Fractional Fourier Feature Enhancement for Multi-Class SAR Aircraft Detection.

Authors: Qiu, Yu Zou, Bin Han, Fangzhou et al.

Source: Remote Sensing. Jun2026, Vol. 18 Issue 12, p1969. 38p.

Subjects: Attention, Fourier transforms, Object recognition (Computer vision), Signal detection, Speckle interference

DFSMamba: A Spatial–Frequency Collaborative Modeling Framework for Remote Sensing Image Super-Resolution.

Authors: Yu, Jie Li, Hui Zheng, Xiangyong et al.

Source: Remote Sensing. Jun2026, Vol. 18 Issue 12, p1910. 26p.

Subjects: Remote sensing, Discrete Fourier transforms, Image reconstruction, High resolution imaging, State-space methods

A Machine Learning Approach Facilitating Contactless and Contact-Based Fingerprint Recognition through Magnitude Spectrum.

Authors: Singh, Payal Diwakar Agarwal Ajitesh Kumar

Source: International Journal of Performability Engineering. Jun2026, Vol. 22 Issue 6, p352-361. 10p.

Subjects: Support vector machines, Discrete Fourier transforms, Human fingerprints, Image processing, COVID-19, Biometric identification, Machine learning

An Integrated Ray Tracing and Variable-Step Fourier Transform-Based Split-Step Parabolic Equation Modeling Approach for UAV-Assisted Channel Characterization in Mountainous Environments.

Authors: Shi, Jihui Song, Jian

Source: Progress in Electromagnetics Research C. 2026, Vol. 168, p1-10. 10p.

Subjects: Ray tracing, Fourier transforms, Emergency communication systems, Parabolic differential equations, Wireless communications, Uplands, Millimeter wave communication systems

Semi‐Analytical Solution of Energy and Momentum Equations With Robin′s Boundary Conditions in a Microchannel Flow.

Authors: Fooladvand, Ali Nourazar, S. S. Nazari-Golshan, A. et al.

Source: Journal of Applied Mathematics. 7/13/2026, Vol. 2026, p1-14. 14p.

Fast eikonal phase retrieval for high‐throughput beamlines.

Authors: Mirone, Alessandro Urban, Theresa Brunet, Joseph et al.

Source: Journal of Synchrotron Radiation. Jul2026, Vol. 33 Issue 4, p1169-1179. 11p.

Fourier transforms of orthogonal polynomials on the cone.

Authors: Aktaş Karaman, Rabia Area, Iván

Source: Numerical Algorithms. Jul2026, Vol. 102 Issue 3, p1583-1609. 27p.

Optimizing the half-gcd algorithm.

Authors: van der Hoeven, Joris¹ (AUTHOR) vdhoeven@lix.polytechnique.fr

Source: Applicable Algebra in Engineering, Communication & Computing. Jul2026, Vol. 37 Issue 4, p853-877. 25p.

A Hybrid Model for Stock Index Forecasting Integrating Adaptive Frequency-Domain Decomposition and Enhanced Transformer Encoder.

Authors: Zheng, Hairong Zeng, Xiaozheng Hu, Guoyu et al.

Source: Mathematics (2227-7390). Jun2026, Vol. 14 Issue 12, p2202. 42p.

Enhanced Channel Estimation in RIS-Aided OFDM Systems Using DFT-Based Pilot Optimization under Practical Hardware Constraints.

Authors: Uwingabire, Donathe Kiambi, Stephen Absaloms, Heywood Ouma

Source: Engineering, Technology & Applied Science Research; Jun2026, Vol. 16 Issue 3, p36006-36013, 8p

Integrated Feature Fusion Swin Transformer for Enhanced Pneumonia Diagnosis on Chest X-ray Images.

Authors: Mao, Wenwei Mao, Lingfeng Lou, Pengwei et al.

Source: KSII Transactions on Internet & Information Systems; Jun2026, Vol. 20 Issue 6, p2874-2891, 18p

Design and research of mechanical waveguide filters based on transmission line impedance matching.

Authors: Gao, Xiaolin Chen, Xi

Source: Journal of Vibroengineering; Jun2026, Vol. 28 Issue 4, p940-955, 16p

Highway Traffic Flow Forecasting with Multidimensional Signal Feature Decomposition and Patch Time Series Convolutional Neural Network.

Authors: Yang, Meng Zhang, Shuyuan Wang, Zhanzhong et al.

Source: Applied Sciences (2076-3417); Jun2026, Vol. 16 Issue 11, p5563, 25p

GPU-Accelerated Signal Processing for Distributed Vibration Sensing Based on OVNA Method.

Authors: Meoli, Alessandro Vallifuoco, Raffaele Coscetta, Agnese et al.

Source: Sensors (14248220). Jun2026, Vol. 26 Issue 11, p3314. 20p.

Research on the Propagation Characteristics of Neutron Noise Under Different Core Design.

Authors: Guo, Lin Cai, Dechang Zhu, Yuxiang et al.

Source: Journal of Nuclear Engineering (JNE). Jun2026, Vol. 7 Issue 2, p41. 17p.

基于傅里叶卷积和小波变换自注意力机制的 低光照图像增强算法.

Alternate Title: Low-light Image Enhancement Algorithm Based on Fourier Convolution and Wavelet Transform Self-attention Mechanism.

Authors: 张易航 钟寒

Source: Science Technology & Engineering. 2026, Vol. 26 Issue 16, p6939-6953. 15p.

Comparing Fourier Transform and Direct Wave Fitting in NMR FID Data Analysis.

Authors: Chen, Jixin¹ (AUTHOR) chenj@ohio.edu

Source: Magnetic Resonance. 6/1/2026, p1-15. 15p.

基于频域门控 Transformer 的润叶过程参数预测方法.

Alternate Title: Parameter prediction of the tobacco leaf conditioning process based on a frequency-domain gated Transformer.

Authors: 王先兵 龚剑 黄毅 et al.

Source: Acta Tabacaria Sinica / Zhongguo Yancao Xuebao. Jun2026, Vol. 32 Issue 3, p85-96. 12p.