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Funktionale Mehrdeutigkeit, Tonalität und arabische Stufen. Überlegungen zu einer Reform der harmonischen Analyse
Published 2011-01-01Subjects: Get full text
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343
Zum Verhältnis von Harmonik und Instrumentation ›vor Wagner‹
Published 2014-01-01Subjects: Get full text
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344
Review of Anisotropic Flow Correlations in Ultrarelativistic Heavy-Ion Collisions
Published 2016-01-01“…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. …”
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345
The Diurnal Variations of GPS PWV near Poyang Lake in China during Midsummer
Published 2020-01-01“…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). …”
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346
Nonlinear magnetoelectric effect in a ring composite heterostructure
Published 2023-10-01“…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. …”
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347
Short-Sampled Blind Source Separation of Rotating Machinery Signals Based on Spectrum Correction
Published 2016-01-01“…Besides rotating machinery fault diagnosis, the proposed BSS algorithm also possesses a vast potential in other harmonics-related application fields.…”
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348
From Transmission Error Measurements to Angular Sampling in Rotating Machines with Discrete Geometry
Published 2005-01-01“…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. …”
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349
First-Order and High-Order Repetitive Control for Single-Phase Grid-Connected Inverter
Published 2020-01-01“…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. …”
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350
A single-phase seven-level switched capacitor with common ground inverter and improved phase-shift modulation technique
Published 2025-02-01“…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%. …”
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351
Reduction in DC-Link Capacitor Current by Phase Shifting Method for a Dual Three-Phase Voltage Source Inverters Dual Permanent Magnet Synchronous Motors System
Published 2025-01-01“…The carrier wave phase shifting method is proposed to reduce the magnitude of the harmonics and thus reduce the dc-link capacitor current. …”
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352
FMCW-based contactless heart rate monitoring
Published 2025-01-01“…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.…”
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353
Azimuthal asymmetries in lepton and heavy-quark pair production in UPCs
Published 2025-01-01“…In particular, this leads to a feed-in mechanism among harmonics of different orders, which in principle generates harmonics of all (even) orders. …”
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354
The Visualization of the Space Probability Distribution for a Moving Particle: In a Single Ring-Shaped Coulomb Potential
Published 2017-01-01“…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.…”
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355
On Analog of Fourier Transform in Interior of the Light Cone
Published 2014-01-01“…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. …”
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356
Design and Analysis of Front Side Modular Multilevel Converter for Smart Transformer in 15 kV Arba Minch Distribution Network Using Diverse Controllers and Multicarrier Modulation...
Published 2022-01-01“…The model is developed in MATLAB/Simulink, and its performance with respect to input side voltage harmonics, current harmonics, and output DC voltage value has been tested by carrying out several case studies under different controllers such as proportional integrator(PI), fuzzy inference system (FIS), and adaptive neuro fuzzy inference system (ANFIS) for obtaining reference signal for modulation. …”
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357
Model Predictive Current Control with Asymmetric Stacked Multilevel Inverter and LCL-Filter Based STATCOM
Published 2021-06-01“…The STATCOM was used to inject reactive power to raise the source power factor to unity and reduce source current harmonics by injecting harmonic current. The proposed prototype could absorb 70% of source current harmonics, which is nearly 25% better than a conventional inverter, inject an appropriate amount of reactive power, and raise the source power factor to unity in two case scenarios. …”
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358
Transition from the chaotic turbulence to the turbulent structures
Published 1999-01-01“…Weak turbulence, similar to incoherent light, may be represented as an ensemble of quasi-free quanta or Fourier harmonics. Unlike it, strongly turbulent state should be based on nonlinear structures. …”
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359
Study on Intelligent Compaction-Equipment Logistics Scheduling and Propagation Characteristics of Vibration Wave in Nonlinear Systems with Multistability Based on Field Test
Published 2020-01-01“…Third, in the propagation process, with the increase in buried depth, the amplitude of fundamental, primary, secondary, until fifth harmonics decreases exponentially (R2>0.9), and the concrete functional relationship among different amplitudes of harmonics can be summarized as y = Ae−BX; fourth, the vibration energy is mainly concentrated near 10–30 Hz in the vibratory roller, but when the vibration wave propagates from vibratory roller⟶filling material, the vibration energy gradually decreases with the increase in depth, and the marginal spectrum gradually changes from one peak to two peaks, that is, 30–50 Hz and 50–100 Hz; fifth, the vibration energy in the vibrational wheel is distributed averagely in the compaction process, and the effective compaction time is two seconds, which will be helpful for revealing the propagation characteristics of vibration wave, optimizing the compaction quality control models and providing some support for the development of intelligent compaction theory of railway subgrade.…”
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360
Interior and Gravity Field Models for Uranus Suggest a Mixed-composition Interior: Implications for the Uranus Orbiter and Probe
Published 2025-01-01“…We confirm that high degrees of mixing are required for Uranus interior models to be consistent with the J _2 and J _4 gravity harmonics measured by Voyager 2. Empirical models, which have smooth density profiles that require extensive mixing, can reproduce the Voyager 2 measurements. …”
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