Design of Boosted Multilevel DC-DC Converter for Solar Photovoltaic System by R. Uthirasamy, V. Kumar Chinnaiyan, S. Vishnukumar, Alagar Karthick, V. Mohanavel, Umashankar Subramaniam, M. Muhibbullah

“…It is observed that the experimental setup has reported a 12.9% of excess heat removal, 5% decrease in harmonics, and 33% switch reduction than the existing MLI schemes. …”
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Gate- and flux-tunable sin(2φ) Josephson element with planar-Ge junctions by Axel Leblanc, Chotivut Tangchingchai, Zahra Sadre Momtaz, Elyjah Kiyooka, Jean-Michel Hartmann, Frédéric Gustavo, Jean-Luc Thomassin, Boris Brun, Vivien Schmitt, Simon Zihlmann, Romain Maurand, Étienne Dumur, Silvano De Franceschi, François Lefloch

“…Additionally, they can feature a non-sinusoidal current-phase relation (CPR) containing multiple harmonics of the superconducting phase difference, a so-far underutilized property. …”
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STUDY OF TRANSIENT AND STATIONARY OPERATION MODES OF SYNCHRONOUS SYSTEM CONSISTING IN TWO MACHINES by V. S. Safaryan

“…During the functioning of electric power system in asynchronous regime, besides the main frequencies, the currents and voltages include harmonic components, the frequencies of which are multiple of the difference of main frequencies. …”
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Assimilation of GNSS Measurements for Estimation of High‐Latitude Convection Processes by Daniel S. Miladinovich, Seebany Datta‐Barua, Aurora López Rubio, Shun‐Rong Zhang, Gary S. Bust

“…The EMPIRE basis functions for electric potential are spherical harmonics in dipole magnetic colatitude and longitude, enforced to be constant along a magnetic field line. …”
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Improvement of a Free-Wake Model for the Aerodynamic and Aeroacoustic Analysis of a Small-Scale Two-Bladed Propeller in Hover by Manuel Iannotta, Antonio Visingardi, Domenico Quagliarella, Fabrizio De Gregorio, Mattia Barbarino, Alex Zanotti

“…In particular, the proper modeling of the blades enables the correct identification of the sub-harmonics of the SPL spectra. An optimization procedure based on the application of the evolutionary Genetic Algorithm is followed to identify the values of the parameters describing the dissipative and diffusive properties in the Bhagwat–Leishman vortex core model, an upgraded version of the classical Lamb–Oseen one. …”
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Classification of RTV-coated porcelain insulator condition under different profiles and levels of pollution by Ali Ahmed Salem, Samir Ahmed Al-Gailani, Abdulrahman Ahmed Ghaleb Amer, Mohammad Alsharef, Mohit Bajaj, Ievgen Zaitsev, Razali Ngah, Sherif S. M. Ghoneim

“…The criteria, which are the flashover voltage (x1), fifth to third harmonics of leakage current (x2), maximum electric field (x3), total harmonic index (x4), insulation resistance (x5) and dielectric loss (x6), were proposed for evaluating the insulator’s string condition. …”
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Investigating nonlinear dynamic properties of an inertial sensor with rotational velocity-dependent rigidity by Mina Ghanbari, Mohammad Fathalilou, Hamed Haddad Khodaparast, Ghader Rezazadeh

“…The presented method computes the periodic steady-state solution of the design by considering different frequency contents within the response, including different harmonics of the response expansion. However, the primary and secondary resonances at various harmonic frequencies within the response can be predicted. …”
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Angular Power Spectrum of TeV–PeV Cosmic-Ray Anisotropies by Wenyi Bian, Gwenael Giacinti, Brian Reville

“…Moreover, we calculate all coefficients of the spherical harmonics and compute the component of the angular power spectrum projected onto the direction of the local magnetic field line. …”
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Optimized design of a fault-tolerant 12-slot/10-pole six-phase surface permanent magnet motor with asymmetrical winding configuration for electric vehicles by Mahmoud Y. Mohamed, Mahmoud Fawzi, Ahmed Kalas, Ayman S. Abdel-Khalik, Shehab Ahmed, Ahmed Refaat

“…While the single neutral configuration offers superior torque during faults, it also introduces zero sequence currents and additional space harmonics, which can lead to increased torque ripple that is difficult to control. …”
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Compensation of Dynamic Phase Error in the Formation of Orthogonal Components of Input Signals in Microprocessor Protections by F. A. Romaniuk, Yu. V. Rumiantsev, V. Yu. Rumiantsev, I. V. Novash

“…At the same time, both sinusoidal input signals and complex ones with an aperiodic component and higher harmonics were used as test actions. As a result of the studies carried out, it has been found that the proposed method of compensation for dynamic phase error in the formation of orthogonal components is workable and effective for both sinusoidal and complex input signals. …”
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Multiobjective Neuro-Fuzzy Controller Design and Selection of Filter Parameters of UPQC Using Predator Prey Firefly and Enhanced Harmony Search Optimization by Koganti Srilakshmi, Gummadi Srinivasa Rao, Katragadda Swarnasri, Sai Ram Inkollu, Krishnaveni Kondreddi, Praveen Kumar Balachandran, C. Dhanamjayulu, Baseem Khan

“…Moreover, the algorithm seeks to achieve a reduction in total harmonic distortion (THD) and enhance power factor (PF). …”
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Experimental Validation of a GNSS Receiver Antenna Absolute Field Calibration System by Antonio Tupek, Mladen Zrinjski, Krunoslav Špoljar, Karlo Stipetić

“…The system implements absolute field calibration and PCC modeling through triple-difference (TD) carrier-phase observations and spherical harmonics (SH) expansion. This study presents and documents dual-frequency (L1 and L2) Global Positioning System (GPS) calibration results for several distinct receiver antennas. …”
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A newly designed laser-based time- and angle-resolved photoelectron spectroscopy with a time-of-flight electron analyzer by Shengyue Lu, Yeqinbo Zhang, Jingze Li, Xueyan Ma, Yongkai Deng, Yunquan Liu

“…The light source is obtained through the generation of ninth harmonics of a 1030 nm Yb fiber-based amplified laser (290 fs, 100 μJ). …”
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Spectral analysis of rotor current of induction motor as indicator of its effectiveness by V. L. Kodkin, A. S. Anikin, A. A. Baldenkov

“…It is proposed to use a spectral analysis of these currents, their main harmonics as the most accurate «display» of slip in an induction motor - as a method for assessing the quality of the motor torque generation. …”
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An Empirical Model of the Equatorial Electron Pitch Angle Distributions in Earth's Outer Radiation Belt by Artem Smirnov, Yuri Y. Shprits, Hayley Allison, Nikita Aseev, Alexander Drozdov, Peter Kollmann, Dedong Wang, Anthony Saikin

“…The PADs are fitted with a combination of the first, third and fifth sine harmonics. The resulting equation resolves all PAD types found in the outer radiation belt (pancake, flat‐top, butterfly and cap PADs) and can be analytically integrated to derive omnidirectional flux. …”
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Analysis of Power Quality Issues in Induction Motors. by Nazziwa, Evalyne

“…There were other disturbances that occurred during the survey i.e. voltage sag or voltage swell, under-voltage, temporary outage, and harmonics. Mitigation techniques were suggested to install passive harmonic filter to mitigate harmonic distortion, install a dynamic voltage restorer(DVR) to mitigate voltage disturbances and isolate all the sensitive and critical loads of kigezi highland factory feed them via uninterruptible power supplies (UPS). …”
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Chirality reversal of vortices induced by surface acoustic waves by Shuai Mi, Jinxuan Shi, Huibo Liu, Huiliang Wu, Huifang Qiao, Jianing Wang, Jie Dong, Xiaolei Li, Jiangtao Xue, Xiangqian Wang, Jianbo Wang, Qingfang Liu

“…While with the help of the third and fifth harmonics of the acoustic fundamental frequency, besides the changes in magnetic state, some vortices also change their chirality. …”
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2.5D Inductive Intertwined Frequency Selective Surface for Band-Pass and High Miniaturization Applications by Juan Andres Vasquez-Peralvo, Rocio Chueca Lasheras, Juan Carlos Merlano Duncan, Shuai Zhang, Pavel Pechac, Vaclav Kabourek, Symeon Chatzinotas

“…The compact design delivers a fractional bandwidth of 87% for the passband associated with the fundamental harmonic. Additionally, the unique 2.5D configuration introduces extra inductance and capacitance, effectively shifting higher harmonics to higher frequencies, thus maintaining a stable stop band beyond the fundamental harmonic. …”
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Crystalline structures in foams: guided mechanical self-assembly of bubbles in fiber arrays by Marwan Chammouma, Manon Jouanlanne, Antoine Egelé, Damien Favier, Jean Farago, Aurélie Hourlier-Fargette

“…This methodology, based on the decomposition of strut orientations via spherical harmonics, is inspired by the so-called Steinhardt’s coefficients , developed for quantifying rotational order in 3D liquids. …”
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Robust Band-Pass Filter-Based PLL-Less Approach for Three-Phase Nonsinusoidal Grid Conditions by Manish Kumar, Anant Kumar Verma, Claudio Burgos-Mellado, Raj Kumar Jarial, Ravinder Nath, Bhumaiah Jula, Diego Munoz-Carpintero, Catalina Gonzalez-Castano, Pedro Roncero-Sanchez

“…In order to remove even and odd-order harmonics and extract the fundamental frequency positive sequence (FFPS), the proposed method employs a combination of band pass filters (CBPFs). …”
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