Funktionale Mehrdeutigkeit, Tonalität und arabische Stufen. Überlegungen zu einer Reform der harmonischen Analyse by Ludwig Holtmeier

Subjects: Get full text

Zum Verhältnis von Harmonik und Instrumentation ›vor Wagner‹ by Michael Polth

Subjects: Get full text

The principle of multiplicity in the design of a wooden house facade by Dolgov Alexander V.

“…A hypothesis is put forward about the admissibility of an analogy between the doctrine of harmonics in music and harmonics of lengths, related by the property of multiplicity of linear dimensions in façade compositions.…”
Get full text

Review of Anisotropic Flow Correlations in Ultrarelativistic Heavy-Ion Collisions by You Zhou

“…Several new observables associated with correlations between anisotropic flow harmonics are developed, which are expected to be sensitive to the initial fluctuations and transport properties of the created matter in heavy-ion collisions. …”
Get full text

The Diurnal Variations of GPS PWV near Poyang Lake in China during Midsummer by Shanshan Wu, Haibo Zou, Junjie Wu

“…The harmonics with diurnal cycles in most stations peak from afternoon to evening (i.e., 1200-2000 LST), but one exception is Duchang site, where the diurnal cycle peaks in the morning (i.e., 1000 LST). …”
Get full text

Nonlinear magnetoelectric effect in a ring composite heterostructure by V. I. Musatov, F. A. Fedulov, D. V. Savelev, E. V. Bolotina, L. Y. Fetisov

“…When excited with circular magnetic fields in a non-resonant mode, the ME ring heterostructure generates a nonlinear ME voltage of higher harmonics. The field and amplitude dependencies of the first three ME voltage harmonics were investigated. …”
Get full text

Short-Sampled Blind Source Separation of Rotating Machinery Signals Based on Spectrum Correction by Xiangdong Huang, Xukang Jin, Haipeng Fu

“…Besides rotating machinery fault diagnosis, the proposed BSS algorithm also possesses a vast potential in other harmonics-related application fields.…”
Get full text

Damage localization of closing cracks using a signal decomposition technique by J. Prawin, A. Rama Mohan Rao

“…The presence of fatigue-breathing crack or closing cracks is usually characterised by the presence of sub and super-harmonics in the response of the structure subjected to harmonic excitation. …”
Get full text

From Transmission Error Measurements to Angular Sampling in Rotating Machines with Discrete Geometry by Didier Remond, Jarir Mahfoudh

“…The main conclusions are primarily that the use of angular sampling enables the exact location of harmonics and, consequently, the obtaining of spectral amplitude components with precision. …”
Get full text

First-Order and High-Order Repetitive Control for Single-Phase Grid-Connected Inverter by Cheng Guo, Linzhen Zhong, Jun Zhao, Guanbin Gao, Yingbo Huang

“…The main idea of this paper is to develop a composite control including a PI control and repetitive control for a single-phase grid-connected inverter to eliminate the effects of harmonics, which can obtain better steady-state and dynamic responses of the single-phase inverter system and reduce the net current harmonics. …”
Get full text

A single-phase seven-level switched capacitor with common ground inverter and improved phase-shift modulation technique by Bisma Saif, Adil Sarwar, Shafiq Ahmad, Shiue-Der Lu, Hwa-Dong Liu

“…The THD% of voltage harmonics is reduced to 15.29% from 17.20% and for current harmonics is reduced to 5.07% from 10.15%. …”
Get full text

An Investigation of the Acoustic Enclosure of an Air Conditioning Compressor Using Response Surface Analysis and Topological Rigidity Optimization by Hai-Feng Cao, Cang-Jie Yang, Ren-Lian Ma, Shi-Wei Ni, Zheng-Kai Song, Xi Wang, Yu-Xuan Chen, Chen-Xing Jiang

“…There are prominent peaks in the compressor noise spectrum, particularly at the compressor operating frequency and its harmonics, notably the second and third harmonics. …”
Get full text

Active Disturbance Rejection Control of Current of Direct Drive Wind Turbine in Power Grid Fault by WANG Han, WANG Fuwen, ZHOU Dangsheng, SHI Gang, ZHANG Jianwen, CAI Xu

“…The LES filter is used to quickly and accurately detect the amplitude of the fault grid voltage with background harmonics, which can effectively reduce the fault detection delay. …”
Get full text

Reduction in DC-Link Capacitor Current by Phase Shifting Method for a Dual Three-Phase Voltage Source Inverters Dual Permanent Magnet Synchronous Motors System by Deniz Şahin, Bülent Dağ

“…The carrier wave phase shifting method is proposed to reduce the magnitude of the harmonics and thus reduce the dc-link capacitor current. …”
Get full text

FMCW-based contactless heart rate monitoring by Zhanjun Hao, Yifei Gao, Yangyang Tang, Yue Wang, Kai Fan, Fenfang Li

“…The results show that this method can reduce the influence of and random body movements and respiration and harmonics on heart rate monitoring, the average absolute error of heart rate estimation is less than four bpm.…”
Get full text

The Orbits of Uranus, Its Satellites and Rings, the Gravity Field of the Uranian System, and the Orientation of the Poles of Uranus and Its Satellites by Robert A. Jacobson, Ryan S. Park

“…French et al. made a new determination of the orbits of the Uranian rings, the orientation of the Uranian pole, and the gravity harmonics of Uranus from the entire set of Uranian ring occultations. …”
Get full text

Azimuthal asymmetries in lepton and heavy-quark pair production in UPCs by Daniël Boer, Luca Maxia, Cristian Pisano

“…In particular, this leads to a feed-in mechanism among harmonics of different orders, which in principle generates harmonics of all (even) orders. …”
Get full text

HESS Management for Virtual Inertia, Frequency, and Voltage Support Through Off-Board EV Bidirectional Chargers by Jhonatan D. Paucara, Jose Carlos U. Pena, Damian Sal y Rosas

“…Simulations and experimental results are presented for a 2.5 kW prototype to validate VI, frequency-voltage support along with harmonics compensation.…”
Get full text

The Visualization of the Space Probability Distribution for a Moving Particle: In a Single Ring-Shaped Coulomb Potential by Yuan You, Fa-Lin Lu, Dong-Sheng Sun, Chang-Yuan Chen, Shi-Hai Dong

“…Moreover, we discuss the series expansion of the deformed spherical harmonics through the orthogonal and complete spherical harmonics and find that the principal component decreases gradually and other components will increase as the potential parameter b increases.…”
Get full text

On Analog of Fourier Transform in Interior of the Light Cone by Tatyana Shtepina

“…We describe some properties of Fhρ, namely, its action on pseudoradial functions and functions being products of pseudoradial function and space hyperbolic harmonics. We prove that Fhρ-transform gives a one-to-one correspondence on each of the irreducible components of quasiregular representation. …”
Get full text