580 results found.
Year: 2010, Volume: 10, Issue: 2
... - from the beginning. Initially, the special low frequency of electronic equipment (and transformer, if AC ... , the four-axle bogie locomotive has been Synchronous Motors or Medium-Frequency Transformers are standard in passenger and goods service. ... SM SM SM SM SM SM N Figure 20. Low-frequency (5 Hz) power oscillations in Switzerland. ...
Terms matched: 6 - Score: 145 - 14,864k
Year: 2022, Volume: 22, Number: 1
... Volume 22, Number 1, 2022 Step towards Enriching Frequency Support from Wind-Driven Permanent-Magnet Synchronous Generator for Power System ... system stability. For comparison, simultaneous control of the power-frequency droop control and against sudden changes in system demand ... respectively, subject to the load beneficial for improving the second-frequency nadir. The disturbance. system frequency does not ...
Terms matched: 5 - Score: 437 - 1,707k
Year: 2021, Volume: 21, Number: 1
... that problem definition that have driven the whole study the frequency and time-frequency domain approaches might presented in the paper ... range of artifacts, which often lead to compared to frequency-domain approaches. erroneous judgment towards the heart condition. ... response Other studies exemplified the usefulness of the Hilbert to that, many of the research efforts have been carried ...
Terms matched: 5 - Score: 189 - 3,863k
Year: 2012, Volume: 12, Number: 4
... the human body have been computed using a sequence of frequency independent values of resistances and models starting with a ... taken into account. Unfortunately, no Single- and multifrequency models for bioelectrical impedance information on these errors is ... in [3]. analysis of body water compartments. J. Appl. Physiol., 87, ...
Terms matched: 5 - Score: 177 - 609k
Year: 2016, Volume: 16, Number: 4
... Firstly, an empirical model and calculation of the channel Frequency Division Multiplexing (OFDM) modulation transfer function are ... ): Building the next- transmission line model for high-frequency power line generation home network," in 6th ... Symposium on communication channel," in Proceedings of International Conference Communication Systems, Networks and Digital Signal Processing on ...
Terms matched: 5 - Score: 120 - 1,394k
Year: 2018, Volume: 18, Number: 2
... presented in Chapter III, Chapter IV discusses the obtained frequency variations for different excitation capacitance results with respect to ... . Radwan and I. Mohamed, "Stabilization of medium-frequency SEIG-based MG and validated through experimental tests, modes ... isolated Microgrids supplying direct online induction motor loads," IEEE Trans Smart Grid, 2014, vol. 5 ...
Terms matched: 4 - Score: 138 - 1,643k
Year: 2014, Volume: 14, Number: 1
... compliance should be not exceeded for occupational exposure to power frequency checked. To complete this task one needs to ... values) and at 1.5 m to the effects of radiofrequency fields [24-27]. above ground, values ... exceeding 5 kV/m were The automation of electrical processes from substations measured, but the public exposure level ...
Terms matched: 4 - Score: 134 - 585k
Year: 2021, Volume: 21, Number: 4
... for medical examination segments according to their frequencies. Lower frequency and robot-assisted surgeries. Moreover, the same method ... Two – stage CS 0.9121 wavelet tree decomposition structure and high-frequency mTV 0.9182 coefficients, the remaining data (low-frequency ... ) are Proposed 0.9199 converted into sparse to fulfill data recovery conditions [20]. Heart Image CS 0.8473 ...
Terms matched: 4 - Score: 108 - 2,717k
Year: 2011, Volume: 11, Number: 1
... imaging, microwave circuits, microwave Microwave- antennas. Frequency domain induced systems thermal acoustic I. INTRODUCTION imaging ... system The transmitting antenna illuminates the investigation prototype that uses frequency-domain measurements in area. The measured scattered field is ... the frequency- dependence of all breast tissues or the frequency-dependent radiation patterns of the antennas are usually ignored [ ...
Terms matched: 4 - Score: 94 - 654k
Year: 2009, Volume: 9, Issue: 1
... ones, with the exception while in IEEE 802.11g Orthogonal Frequency Division where we otherwise specify. The AP settings ... and Computer Engineering Volume 9, Number 1, 2009 Radiofrequency Field Distribution Assessment in Indoor Areas Covered by Wireless ... aim of present paper to assess the E-field level of frequency-selective measurement system and identifying the correct settings for an ...
Terms matched: 4 - Score: 83 - 536k