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Search results for: harmonic
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Year: 2012, Volume: 12, Number: 3
... 2 g €( j i i) € 3 2 ƒ 8d 2 2 ‚ 2 ƒ conductivity i and permittivity i. The fields are assumed time-harmonic and represented as phasors. The conductors where d is the local radius of curvature and g a generic are described in a Cartesian system with the conductors function ...
Year: 2012, Volume: 12, Number: 2
... the range of the fundamental hypoxia has been analyzed due to measurements of the frequency harmonic is being determined. fundamental frequency on the tested persons who live at 400 ... =11) and C# (k =1) as well as their harmonics can preserve his full working ability and state of full in all the octaves ...
Year: 2012, Volume: 12, Number: 2
... to the previous approach using a single pitch streak which is the shaped filterbank whose harmonic structure is built from the longest among the reliable pitch streaks in a sentence ... . When a part of the original signal has 0.2 sufficient energy at F0 and harmonics corresponding to the 0.15 0.1 Signal estimated pitch, this part of the signal ...
Year: 2012, Volume: 12, Number: 1
... two programs. [2] S. Yamada, K. Bessho, "Harmonic field calculation by the Fig. 17 shows the time variations of the magnetic ... 5th and 7th order Fig. 9 shows the magnetization cycle of the movable core harmonics. 106 Advances in Electrical and Computer Engineering Volume 12, Number 1, ...
Year: 2012, Volume: 12, Number: 1
... chosen as error of q-axis current and variation of be properly controlled. However, harmonic distortion in the this error. An anti wind-up integrator is used to improve ... of NFC in steady state. The gradient controlled current scheme. To reduce low-order harmonics, descent algorithm is used to train the NFC in direct adaptive either inverter ...
Year: 2012, Volume: 12, Number: 1
... no. 5, pp. 403 €“ between the WCIP and several other electromagnetic field 406, September 2003 computation methods. [20] R. Harrington, Time-Harmonic Electromagnetic Fields, Wiley-IEEE We can conclude that WCIP was successfully validated Press, 2001 [21] K. K. Mei and J. G. Van ...
Year: 2011, Volume: 11, Number: 4
... . INTRODUCTION performance, depending on the hardware architecture. After the study of the harmonics of chaotic systems [9] Energy harvesting from alternative energy resources is and ... observed for a fundamental period €“ T waveform, then for a period €“ 2T subharmonic waveform and finally to a chaotic waveform, starting from small values of S ...
Year: 2011, Volume: 11, Number: 4
... , the presence of magnet segments (surface mounted, inset or buried) gives a more or less trapezoidal wave with the unavoidable Stator consequences of the high order harmonics. Therefore, slots efforts in obtaining a sinusoidal shape should be carried out. To this effect, we present in this paper an analysis based on Core ...
Year: 2011, Volume: 11, Number: 3
... , Number 3, 2011 The Hybrid Method for On-line Harmonic Analysis Jovan M. KNEŽEVI†1, Vladimir A. ... ], [22]. In this such as harmonics, sags, swells, short interruptions, paper ... to overcome the drawbacks of the DFT and harmonics/inter-harmonics of time-varying frequencies," IEEE Trans. EPLL ...
Year: 2011, Volume: 11, Number: 3
... can see from Fig. 1(a) that the signal 0.116 contains many harmonic vibrations. The traditional 0.114 extension schemes cannot reflect such waving feature. It ... . Because Fourier series can be used to represent a signal in terms of the harmonics it is composed Normalized Frequency 0.11 of. Although Fourier series is periodic, ...
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