Hybrid-excited generators have a wide voltage regulation capability or a wide range of variable-speed constant-voltage output capability, providing a significant advantage in the new energy power generation field.
Yonghong Xia +5 more
doaj +2 more sources
HARMONIC ANALYSIS OF TORSIONAL VIBRATION FORCE EXCITATION [PDF]
In our department, we deal with various methods for the continuous tuning of torsional oscillating mechanical systems during their operation, mainly in terms of torsional vibration magnitude.
Matej URBANSKÝ
doaj +2 more sources
Toward the possibility of 229Th isomeric nuclear state excitation by two-color laser field [PDF]
The process of high harmonic generation (HHG) has a wide area of different applications, in particular, in nanoscale imaging, study the nanoscale energy transport in complex molecules and solids, probe the charge and spin dynamics with the femtosecond ...
Andreev Anatoli +3 more
doaj +1 more source
VIBRATION TRANSMISSIBILITY OF THE COFFEE FRUIT-PEDUNCLE SYSTEM: A FORCED VIBRATION STUDY OF HIGH FREQUENCY AIMING MECHANICAL HARVESTING [PDF]
Semi-mechanized and mechanized harvesting use machines that promote the transference of vibrational energy and impact to achieve the detachment of coffee fruits.
Geice P. Villibor +4 more
doaj +1 more source
In this paper, a self-excited topology by utilizing third harmonic field excitation is proposed for realizing the brushless operation of the Wound Rotor Vernier Machine (WRVM).
Sheikh Yasir Hammad +5 more
doaj +1 more source
A Study on Second Harmonic Excitation in Electron Beam–Plasma Instability
The electron beam–plasma interaction is a fundamental nonlinear plasma process that is frequently taking place in space and laboratory plasmas. Such an interaction is found to generate electromagnetic waves observed in space plasmas.
Maryamsadat Rafiei +3 more
doaj +1 more source
Experimental Analysis of Transformer Core Vibration and Noise under Inter-Harmonic Excitation
With the wide application of power electronic devices and nonlinear loads, the resulting inter-harmonic pollution is becoming more and more serious in the power system.
Qiang He +5 more
doaj +1 more source
Application of square-wave inverter in excitation system for magnetic nanoparticle tomography
To collect the signals of magnetic nanoparticles (MNPs) at a distance from a magnetic nanoparticle tomography, a strong ac magnetic field should be generated by applying a high current to the excitation coil.
Kohta Higashino +3 more
doaj +1 more source
Non-Uniform Time Sampling for Multiple-Frequency Harmonic Balance Computations [PDF]
A time-domain harmonic balance method for the analysis of almost-periodic (multi-harmonics) flows is presented. This method relies on Fourier analysis to derive an efficient alternative to classical time marching schemes for such flows.
Dufour, Guillaume +5 more
core +1 more source
Label-free 3D visualization of cellular and tissue structures in intact muscle with second and third harmonic generation microscopy. [PDF]
Second and Third Harmonic Generation (SHG and THG) microscopy is based on optical effects which are induced by specific inherent physical properties of a specimen.
Krombach Fritz +11 more
core +1 more source

