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1. Reaction-Diffusion Problems on Time-Periodic Domains NSTL国家科技图书文献中心

Jane Allwright -  《Journal of dynamics and differential equations》 - 2025,37(1) - 71~94 - 共24页

摘要: function of the frequency, and results are given |  regarding its behaviour in the small and large frequency |  frequency is also proven. A reaction-diffusion problem |  bounded, time-periodic domains with zero Dirichlet |  boundary conditions. The long-time behaviour is shown to
关键词: Time-periodic domain |  Principal periodic eigenvalue |  Reaction-diffusion

2. Zero-Shot Low-Light Image Enhancement via Joint Frequency Domain Priors Guided Diffusion NSTL国家科技图书文献中心

Jinhong He |  Shivakumara Palaiahn...... -  《IEEE signal processing letters》 - 2025,32 - 1091~1095 - 共5页

摘要: address this problem, we will propose a new zero-shot |  diffusion process to the wavelet low-frequency domain and |  combining the wavelet and Fourier frequency domains by | Due to the singularity of real-world paired |  datasets and the complexity of low-light environments
关键词: Wavelet domain |  Frequency-domain analysis |  Diffusion models |  Noise |  Discrete wavelet transforms |  Fast Fourier transforms |  Lighting |  Image enhancement |  Diffusion processes |  Feature extraction

3. Coupling dynamic problem of a completely free weightless thick plate in geostationary orbit NSTL国家科技图书文献中心

Weipeng Hu |  Pengfei Cui... -  《Applied mathematical modelling》 - 2025,137(Pt.A) - 115628~ - 共45页

摘要: describing the dynamic problem of some spatial plate-type |  ratio on the natural vibrational frequency of the |  the straight line of zero displacement in the |  of zero displacement in the rigid-flexible coupling |  between the obtained dimensionless natural frequency
关键词: Completely free weightless thick plate |  Multi-symplectic method |  Coupling dynamic problem |  Straight line of zero displacement |  Hamiltonian

4. Discrete inverse problems with internal functionals* NSTL国家科技图书文献中心

Corbett, Marcus |  Vasquez, Fernando Gu...... -  《Inverse Problems》 - 2025,41(4) - 共24页

摘要:We study the problem of finding the resistors |  analogue of the inverse Schr & ouml;dinger problem and |  and dissipated power at the zero and a positive |  frequency are available. Moreover, we show that the |  in a resistor network from measurements of the
关键词: weighted graph Laplacian |  dissipated power |  hybrid inverse problems |  thermal noise

5. Line shape of soft photon radiation generated at zero angle in an undulator with a dispersive medium NSTL国家科技图书文献中心

Gevorgyan, Hayk L. |  Gevorgyan, Koryun L.... -  《Nuclear Instruments and Methods in Physics Research,Section A.Accelerators,Spectrometers,Detectors and Associated Equipment》 - 2025,1075 - 共5页

摘要:The problem of undulator radiation from a |  frequency-angular distribution of the number of radiated |  medium, at a zero angle, in addition to hard photons | , soft photons are also generated. A formula for the |  soft and hard photons has been obtained. If the
关键词: X-ray free electron laser |  Undulator radiation |  Vavilov-& Ccaron;erenkov radiation |  Transition radiation |  Coherent radiation

6. EMT Image Reconstruction With Observation Equation Recombination and PSF Fitting NSTL国家科技图书文献中心

Wang, Jingwen |  Wu, Zhenhua... -  《IEEE Transactions on Instrumentation and Measurement》 - 2025,74(Pt.1) - 4503613.1~4503613.13 - 共13页

摘要: information, the observation equation is recombined by zero |  frequency information. The conductive distribution can be |  applied for monitoring the distribution of conductive or |  limited by the lack of prior information and the |  blurring problem of reconstructed images. In this article
关键词: Image reconstruction |  Voltage measurement |  Conductivity |  Mathematical models |  Estimation |  Magnetic field measurement |  Fitting |  Sensitivity |  Conductivity measurement |  Tomography...

7. Comments on the high-frequency response of hemispherical grounding electrodes with emphasis on magnetic induction effects NSTL国家科技图书文献中心

Brandao Faria J. |  Machado V.M. -  《Electric Power Systems Research》 - 2025,238(Jan.) - 1.1~1.8 - 共8页

摘要: model the frequency response of hemispherical |  electrode impedance as the frequency increases. The |  zero everywhere inside the soil ___which we claim is |  frequencies. In addition, we also show how the problem of |  impedance is of major importance for the operation and
关键词: Electrode inductance |  Electromagnetic modeling |  Grounding impedance |  Hemispherical electrode |  High frequency |  Magnetic field effects

8. Counter-rotating synchronization theory and experiment of tri-rotor actuated with dual-frequency considering adaptive global sliding mode control strategy NSTL国家科技图书文献中心

Min Zou |  Yongchun Wang... -  《Mechanical Systems & Signal Processing》 - 2025,223(Jan.) - 111820.1~111820.20 - 共20页

摘要: the problem mentioned above, a dual-frequency |  investigated to achieve the stable zero phase difference | -synchronous vibration screen with single-frequency actuation |  is difficult to implement the scheduled synchronous |  reduction of the production efficiency. Hence, to solve
关键词: Dual-frequency |  Controlled synchronization |  Exciters |  Vibration system |  Stability

9. A Hybrid Bidirectional Full-Bridge CLLC Resonant Converter With Dual-Resonant Frequency for Enhancing Efficiency at Light-to-Medium Loads NSTL国家科技图书文献中心

Thanh Nhat Trung Tra... |  Jian-Min Wang -  《IEEE journal of emerging and selected topics in power electronics》 - 2025,13(1) - 119~135 - 共17页

摘要: the high operating frequency at light loads, leading | ) configurations, as well as adjust the resonant frequency based |  resonant frequency, reducing the switching frequency | The symmetric capacitor-inductor-inductor |  density, zero-voltage switching (ZVS) for primary power
关键词: Resonant frequency |  Resonant converters |  Frequency conversion |  Zero voltage switching |  Switches |  Topology |  Capacitors |  Switching frequency |  Transformers |  Rectifiers

10. Differentially Private Numerical Vector Analyses in the Local and Shuffle Model NSTL国家科技图书文献中心

Shaowei Wang |  Shiyu Yu... -  《IEEE transactions on dependable and secure computing》 - 2025,22(1) - 1~15 - 共15页

摘要: vector and $s$ denotes the number of non-zero entries |  numerical mean estimation problem into a frequency |  statistical analysis of key-value data. In the context of | }})$, where $d$ represents the dimension of the numerical | . By converting the conditional/unconditional
关键词: Estimation |  Privacy |  Numerical models |  Differential privacy |  Frequency estimation |  Computational modeling |  Data models
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