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Search results for: frequency
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Year: 2015, Volume: 15, Number: 3
... (0.13-1 Hz) system of the fetus that may cause changes in FHR during frequency spectrum. We implement the algorithm for segments oxygen deficiency [4]. ... ANNOTATIONS OF RECORDINGS [15]: low frequency LF (0.03-0.07 Hz), mid-frequency MF Annotation Average Minimum Maximum (0.07-0.13 Hz), and high frequency HF ...
82. The Study of the Electromagnetic Shielding Properties of a Textile Material with Amorphous Microwire
Year: 2011, Volume: 11, Number: 1
... ,- Carbon-based plastic composite materials; reflection and polarization;- determination of the frequency range within which these- Ferrite and magnetic powder materials [4 ]; ... the measurement of the shielding factor within 21 1 17 12 75-150 15-20 0.2-0.5 the radiofrequency and microwave ranges. 18 Advances in Electrical and Computer Engineering Volume 11, ...
Year: 2010, Volume: 10, Issue: 1
... feeling. The combined effect of a better solution is splitting the signal into several frequency multiple sound reflections within a room is called natural bands and providing an echo ... NLMS filter order, step size, but different types of frequency sub-band and a low-frequency sub-band, each filters. The best window was found to be the Kaiser's ...
Year: 2013, Volume: 13, Number: 2
... loads. Besides voltage and extensive) category is the one in which the three-phase frequency regulation, the phase balancing is ensured for this generator supplies single-phase loads, ... D. Zmood, D.G. Holmes, G. H. Bode, "Frequency-Domain Analysis Induction Motor with Direct Calculation of Voltage Vector", of Three-Phase Linear ...
Year: 2009, Volume: 9, Issue: 1
... that the rotor speed is estimated from In the following we discuss about the slip frequency and easily available voltages and currents of the induction speed estimation using monitored stator ... said before, the induction motor speed estimator is based on the introduction of a constant-frequency carrier signal in the stator currents. For that the PWM reference voltage ( ...
Year: 2020, Volume: 20, Number: 3
... Number 3, 2020 A Real Time Simulator of a Phase Shifted Converter for High Frequency Applications Tudor GHERMAN1, Dorin PETREUS1, Marcian Nicolae CIRSTEA2 1 Applied Electronics Department ... , and R. Zane, "Digital doi:10.1016/j.ijepes.2018.01.053 Control of High-Frequency Switched Mode Power Converters", 1st [14] M. Matar and ...
Year: 2018, Volume: 18, Number: 4
... current research, considered hybrid precoding for narrowband systems. However, wideband systems with frequency selectivity are precoding for mmWave massive MIMO systems is trend to likely to be ... is our proposed hybrid schemes with low complexity can almost expected to operate on wideband frequency-selective reach the performance of fully digital precoding algorithm and channels, it is important ...
Year: 2011, Volume: 11, Number: 2
... relation between a compensated Electronic equipment which consists of a rectifier circuit is system crossover frequency and the input current distortion an example of the equipment that draws harmonic currents ... to control the input current of a PFC converter comprises a voltage ripple with twice line-frequency. circuit to follow a rectified line voltage waveform for a high This affects ...
Year: 2015, Volume: 15, Number: 1
... SA is employed for finding the possible the filter coefficients subject to a set of frequency domain sparse pattern of the FIR filter that satisfies the prescribed constraints. Once ... FIR filters pattern that satisfies the prescribed constraints among all [2-3], the frequency-response masking techniques [4-5], and possible combinations of the sparse pattern [ ...
Year: 2013, Volume: 13, Number: 4
... which uses propose the virtual instrumentation approach in various innovative algorithms based on time and frequency domains analysis to process power signals. In order to detect the situations, ... , "A Virtual temporary states characterization, the authors propose a new instrument for time-frequency analysis of signals with highly non- approach, which supposes the use of ...
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