Jean H. Futrell photograph collection

Συγγραφείς: Futrell, J. H.

Personal Name: Futrell, J. H. . Photographs., Futrell, J. H. .

Θέματα: Chemical ionization mass spectrometry Photographs., Spectrum analysis Photographs. Instruments, Spectrométrie de masse à ionisation chimique Photographies., Analyse spectrale Photographies. Instruments, Chemical ionization mass spectrometry, Spectrum analysis Instruments, Universities and colleges Faculty

Όροι ευρετηρίου: photographs., Photographs, Photographs., Photographies.

Σύνδεσμος: http://archiveswest.orbiscascade.org/ark:/80444/xv11315

基于改进 SSA-VMD 和自相关滤波的滚动轴承 故障诊断方法. (Chinese)

Alternate Title: Fault diagnosis method based on improved SSA-VMD and autocorrelation filtering for rolling bearing. (English)

Συγγραφείς: 桑硕海, 王浩伟, 赵建忠, 韩丹阳

Πηγή: Systems Engineering & Electronics; Sep2026, Vol. 48 Issue 9, p3066-3078, 13p

Θεματικοί όροι: Fault diagnosis, Roller bearings, Noise control, Spectrum analysis instruments, Signal processing, Optimization algorithms

参数自适应变分模态分解的滚动轴承故障诊断. (Chinese)

Alternate Title: Rolling Bearing Fault Diagnosis Based on Parameters Adaptive VMD. (English)

Συγγραφείς: 李永琪

Πηγή: Light Industry Machinery; Aug2026, Vol. 44 Issue 4, p61-67, 7p

Θεματικοί όροι: Fault diagnosis, Metaheuristic algorithms, Entropy (Information theory), Spectrum analysis instruments

MHD fluid flow and heat transfer through a curved square duct with hall and ion-slip currents.

Συγγραφείς: Rukaiya, Sadia Islam, Chanda, Ratan Kumar, Mondal, Rabindra Nath

Πηγή: AIP Conference Proceedings; 2026, Vol. 3451 Issue 1, p1-8, 8p

Θεματικοί όροι: Magnetohydrodynamics, Fluid flow, Hall effect, Electric currents, Heat transfer, Heat convection, Spectrum analysis instruments

基于元平均场Q学习的大规模无人机组网抗干扰与 隐蔽通信机制. (Chinese)

Alternate Title: Meta mean-field Q-learning-based anti-jamming and covert communication mechanism for large-scale UAV networks. (English)

Συγγραφείς: 钱玉文, 吴浩阳, 时龙, 曹阳, 王喆, 陈光霁, 马川, 韦康

Πηγή: Journal on Communication / Tongxin Xuebao; Jun2026, Vol. 47 Issue 6, p173-189, 17p

Θεματικοί όροι: Interference suppression, Drone aircraft, Spectrum analysis instruments, Reinforcement learning, Deep reinforcement learning, Machine-to-machine communications

Entropy‐Greedy Node Selection Algorithm in Spectrum Map Construction.

Συγγραφείς: Mo, Ruoyu^1,2 (AUTHOR), Zhang, Jianzhao² (AUTHOR) jianzhao63s@nudt.edu.cn, Yao, Changhua¹ (AUTHOR), Si, Chengcheng² (AUTHOR)

Πηγή: IET Communications (Wiley-Blackwell). Jan2025, Vol. 19 Issue 1, p1-14. 14p.

Θεματικοί όροι: Spectrum analysis instruments, Signal reconstruction, Data visualization software, Signal detection, Maximum entropy method, Acquisition of data

A NIST-Traceable Lab-to-Sky Spectral and Radiometric Calibration for NASA's High-Altitude Airborne Hyperspectral Pushbroom Imager for Cloud and Aerosol Research and Development (PICARD).

Συγγραφείς: Hoffmann, Gary D., Ellis, Thomas, Su, Haiping, Shrestha, Alok, Barsi, Julia A., Dominguez, Roseanne, Fraim, Eric, Jacobson, James, Platnick, Steven, Arnold, G. Thomas, Meyer, Kerry, McCarty, Jessica L.

Πηγή: Remote Sensing; Apr2026, Vol. 18 Issue 8, p1168, 34p

Θεματικοί όροι: Calibration, Airborne-based remote sensing, Hyperspectral imaging systems, Atmospheric aerosols, Spectrum analysis instruments, Wavelength measurement, Diffraction gratings

Εταιρία/Οντότητα: United States. National Aeronautics & Space Administration

A Methodology to Convert a Digital Recorder into a Post-Processed Sound Level Metre and Spectrum Analyser.

Συγγραφείς: Villa Prado, Carmelo, Bolívar Raya, Juan Pedro, Sánchez Sánchez, Rafael

Πηγή: Acoustics Australia; Mar2026, Vol. 54 Issue 1, p187-200, 14p

Θεματικοί όροι: Spectrum analyzers, Sound measurement, Signal processing, Spectrum analysis instruments, Research methodology, Acoustic measurements, Digital audio

Multiple fault detection in induction generator for grid-connected wind turbine application.

Συγγραφείς: Sboui, Ahmed, Salah, Mohamed, Bacha, Khmais, Ghanmi, Nasr, Chaari, Abdelkader

Πηγή: Wind Engineering; Feb2026, Vol. 50 Issue 1, p177-199, 23p

Θεματικοί όροι: Fault diagnosis, Induction generators, Rotor dynamics, Renewable energy sources, Spectrum analysis instruments, Wind turbines

Advanced Testing of Next-Generation DRFM Jammers.

Συγγραφείς: Mikhailov, Yassen¹

Πηγή: Microwave Journal. Dec2025, Vol. 68 Issue 12, p48-56. 5p.

Θεματικοί όροι: *Spectrum analyzers, *Spectrum analysis instruments, *Electronic industries, *Frequency-domain analysis, *Engineering inspection, *Radio interference

多无人机空域频谱态势构建方法. (Chinese)

Alternate Title: A Method for Constructing Airspace Spectrum Situation with Multiple UAVs. (English)

Συγγραφείς: 陈逸飞, 杜奕航, 张 余, 龙伟军

Πηγή: Telecommunication Engineering; 12/28/2025, Vol. 65 Issue 12, p2043-2052, 10p

Θεματικοί όροι: Drone aircraft, Generative adversarial networks, Air traffic, Radio frequency measurement, Acquisition of data, Forecasting, Optimization algorithms, Spectrum analysis instruments

Applicability of global gravity field models to Princess Elizabeth Land, East Antarctica.

Συγγραφείς: Li, Dandan, Hao, Weifeng, Zhang, Chuanyin, Wu, Guochao, Yang, Yuande, Wu, Haojian, Guo, Jingxue, Cui, Xiangbin, Li, Fei

Πηγή: New Zealand Journal of Geology & Geophysics; Dec2025, Vol. 68 Issue 5, p1219-1231, 13p

Θεματικοί όροι: Gravity anomalies, Topography, Data quality, Antarctic exploration, Spectrum analysis instruments

Γεωγραφικοί όροι: East Antarctica (Antarctica), Antarctica

Stirring chemical reaction landscapes through strong light–matter interactions.

Συγγραφείς: Singh, Jaibir, Garg, Pallavi, Lather, Jyoti, George, Jino

Πηγή: Chemical Communications; 12/4/2025, Vol. 61 Issue 93, p18289-18301, 13p

Θεματικοί όροι: Light matter interaction (Quantum optics), Chemical reactions, Polarity (Chemistry), Spectrum analysis instruments, Chemical kinetics, Molecular switches, Chemical relaxation

Development and Testing of a Tritium -Decay by Means of Electron Integral Detector Prototype Based on Faraday Cup.

Συγγραφείς: Chernov, V., Berlev, A., Parfenov, V., Razin, V., Titov, N., Tkachev, I., Zadorozhny, S.

Πηγή: Physics of Atomic Nuclei; Dec2025, Vol. 88 Issue 6, p1196-1200, 5p

Θεματικοί όροι: Tritium, Detectors, Sterile neutrinos, Particle detectors, Noise, Spectrum analysis instruments

High-performance statistical methods for reactor neutrino oscillations.

Συγγραφείς: Xue, Jingqin, Zhang, Han, Shen, Hongfang, Sun, Guangbao, Li, Dian, Fan, Liangqianjin, Yao, Haifeng, Zhan, Liang, Zhou, Xiang, Ding, Xuefeng

Πηγή: European Physical Journal C -- Particles & Fields; Dec2025, Vol. 85 Issue 12, p1-10, 10p

Θεματικοί όροι: Neutrino oscillation, Software frameworks, Mathematical statistics, Neutrino interactions, Spectrum analysis instruments, Sensitivity analysis, Neutrinos

Enhanced active galactic nucleus activity in overdense galactic environments at 2 < z < 4.

Συγγραφείς: Shah, Ekta A., Lemaux, Brian C., Forrest, Ben, Hathi, Nimish, Shen, Lu, Cucciati, Olga, Hung, Denise, Giddings, Finn, Sikorski, Derek, Lubin, Lori, Gal, Roy R., Zamorani, Giovanni, Golden-Marx, Emmet, Bardelli, Sandro, Cassarà, Letizia Pasqua, Garilli, Bianca, Gururajan, Gayathri, Suh, Hyewon, Vergani, Daniela, Zucca, Elena

Πηγή: Astronomy & Astrophysics / Astronomie et Astrophysique; 2025, Vol. 704, p1-16, 16p

Θεματικοί όροι: Active galactic nuclei, Redshift, Galaxy clusters, Astronomy, Photometry, Spectrum analysis instruments

An adaptive parameter estimator for poor-quality spectral data of white dwarfs.

Συγγραφείς: Zhang, Jiangchuan, Xie, Duo, Bu, Yude, Yi, Zhenping, Liu, Meng, Kong, Xiaoming

Πηγή: Astronomy & Astrophysics / Astronomie et Astrophysique; 2025, Vol. 704, p1-13, 13p

Θεματικοί όροι: White dwarf stars, Parameter estimation, Spectrum analysis instruments, Machine learning, Data quality, Adaptive estimation (Statistics), Algorithms, Stellar evolution

基于矩阵轮廓的多维遥测数据模式挖掘方法. (Chinese)

Alternate Title: A Multi-dimensional Telemetry Data Pattern Mining Method Based on Matrix Profile. (English)

Συγγραφείς: 娄乐, 柳震

Πηγή: Telecommunication Engineering; 11/28/2025, Vol. 65 Issue 11, p1828-1835, 8p

Θεματικοί όροι: Telemetry, Stochastic processes, Sequential pattern mining, Spectral theory, Artificial satellite tracking, Spectrum analysis instruments, Matrices (Mathematics), Pattern perception

齿轮故障影响下机电传动系统动态特性及电流响应分析. (Chinese)

Alternate Title: Analysis of dynamic characteristics and current response of electromechanical drive system under influence of gear fault. (English)

Συγγραφείς: 程 颖, 顾宽昊, 李炳初, 甘 屹

Πηγή: Journal of Mechanical & Electrical Engineering; Nov2025, Vol. 42 Issue 11, p2073-2083, 11p

Θεματικοί όροι: Fault diagnosis, Electric motors, Spectrum analysis instruments, Numerical control of machine tools, Mechanical failures, Electromechanical effects, System dynamics

顾及周期项时变性的极移预报方法研究. (Chinese)

Alternate Title: Polar Motion Prediction Method Considering Temporal Variability of Periodic Components. (English)

Συγγραφείς: 周雨欣, 魏 娜

Πηγή: Journal of Geodesy & Geodynamics (1671-5942); Nov2025, Vol. 45 Issue 11, p1185-1191, 7p

Θεματικοί όροι: Prediction algorithms, Least squares, Spectrum analysis instruments, Satellite positioning, Orbital mechanics, Oscillations, Autoregressive models, Statistical reliability