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  Subjects -> ELECTRONICS (Total: 138 journals)
Advances in Biosensors and Bioelectronics     Open Access   (Followers: 1)
Advances in Magnetic and Optical Resonance     Full-text available via subscription   (Followers: 4)
Advances in Microelectronic Engineering     Open Access   (Followers: 1)
Advances in Power Electronics     Open Access   (Followers: 7)
Aerospace and Electronic Systems, IEEE Transactions on     Hybrid Journal   (Followers: 51)
American Journal of Electrical and Electronic Engineering     Open Access   (Followers: 7)
Annals of Telecommunications     Hybrid Journal   (Followers: 4)
APL : Organic Electronics and Photonics     Hybrid Journal   (Followers: 1)
APSIPA Transactions on Signal and Information Processing     Open Access   (Followers: 2)
Archives of Electrical Engineering     Open Access   (Followers: 9)
Autonomous Mental Development, IEEE Transactions on     Hybrid Journal   (Followers: 5)
Bell Labs Technical Journal     Hybrid Journal   (Followers: 8)
Biomedical Engineering, IEEE Reviews in     Full-text available via subscription   (Followers: 14)
Biomedical Engineering, IEEE Transactions on     Hybrid Journal   (Followers: 11)
Biomedical Instrumentation & Technology     Full-text available via subscription   (Followers: 4)
Broadcasting, IEEE Transactions on     Hybrid Journal   (Followers: 5)
BULLETIN of National Technical University of Ukraine. Series RADIOTECHNIQUE. RADIOAPPARATUS BUILDING     Open Access   (Followers: 1)
Bulletin of the Polish Academy of Sciences : Technical Sciences     Open Access  
Canadian Journal of Remote Sensing     Full-text available via subscription   (Followers: 12)
China Communications     Full-text available via subscription   (Followers: 1)
Circuits and Systems     Open Access   (Followers: 7)
Consumer Electronics Times     Open Access   (Followers: 3)
Control Systems     Hybrid Journal   (Followers: 18)
Electronic Markets     Hybrid Journal   (Followers: 5)
Electronic Materials Letters     Hybrid Journal   (Followers: 2)
Electronics     Open Access   (Followers: 3)
Electronics and Communications in Japan     Hybrid Journal   (Followers: 4)
Electronics Letters     Hybrid Journal   (Followers: 15)
Embedded Systems Letters, IEEE     Hybrid Journal   (Followers: 14)
EPJ Quantum Technology     Open Access  
EURASIP Journal on Embedded Systems     Open Access   (Followers: 8)
Foundations and TrendsĀ® in Communications and Information Theory     Full-text available via subscription   (Followers: 5)
Foundations and TrendsĀ® in Signal Processing     Full-text available via subscription   (Followers: 4)
Frequenz     Full-text available via subscription   (Followers: 1)
Frontiers of Optoelectronics     Hybrid Journal   (Followers: 1)
Geoscience and Remote Sensing, IEEE Transactions on     Hybrid Journal   (Followers: 19)
Haptics, IEEE Transactions on     Hybrid Journal   (Followers: 4)
IEEE Consumer Electronics Magazine     Full-text available via subscription   (Followers: 7)
IEEE Journal of Emerging and Selected Topics in Power Electronics     Hybrid Journal   (Followers: 3)
IEEE Journal of the Electron Devices Society     Open Access   (Followers: 1)
IEEE Power Electronics Magazine     Full-text available via subscription  
IEEE Transactions on Audio, Speech, and Language Processing     Hybrid Journal   (Followers: 9)
IEEE Transactions on Automatic Control     Hybrid Journal   (Followers: 19)
IEEE Transactions on Consumer Electronics     Hybrid Journal   (Followers: 10)
IEEE Transactions on Electron Devices     Hybrid Journal   (Followers: 6)
IEEE Transactions on Information Theory     Hybrid Journal   (Followers: 13)
IEEE Transactions on Power Electronics     Hybrid Journal   (Followers: 11)
IEICE - Transactions on Electronics     Full-text available via subscription   (Followers: 7)
IEICE - Transactions on Information and Systems     Full-text available via subscription   (Followers: 7)
IET Power Electronics     Hybrid Journal   (Followers: 7)
IET Wireless Sensor Systems     Hybrid Journal   (Followers: 5)
IETE Journal of Education     Open Access   (Followers: 2)
IETE Journal of Research     Open Access   (Followers: 5)
IETE Technical Review     Open Access   (Followers: 1)
Industrial Electronics, IEEE Transactions on     Hybrid Journal   (Followers: 9)
Industry Applications, IEEE Transactions on     Hybrid Journal   (Followers: 5)
Informatik-Spektrum     Hybrid Journal  
Instabilities in Silicon Devices     Full-text available via subscription  
Intelligent Transportation Systems Magazine, IEEE     Full-text available via subscription   (Followers: 1)
International Journal of Advanced Electronics and Communication Systems     Open Access   (Followers: 3)
International Journal of Advanced Research in Computer Science and Electronics Engineering     Open Access   (Followers: 18)
International Journal of Advances in Telecommunications, Electrotechnics, Signals and Systems     Open Access   (Followers: 1)
International Journal of Aerospace Innovations     Full-text available via subscription   (Followers: 10)
International Journal of Applied Electronics in Physics & Robotics     Open Access  
International Journal of Biomedical Nanoscience and Nanotechnology     Hybrid Journal   (Followers: 4)
International Journal of Computational Vision and Robotics     Hybrid Journal   (Followers: 4)
International Journal of Computer & Electronics Research     Full-text available via subscription   (Followers: 2)
International Journal of Control     Hybrid Journal   (Followers: 10)
International Journal of Electronics     Hybrid Journal   (Followers: 2)
International Journal of Electronics & Data Communication     Open Access   (Followers: 3)
International Journal of Electronics and Telecommunications     Open Access   (Followers: 3)
International Journal of Granular Computing, Rough Sets and Intelligent Systems     Hybrid Journal   (Followers: 1)
International Journal of High Speed Electronics and Systems     Hybrid Journal  
International Journal of Microwave and Wireless Technologies     Hybrid Journal   (Followers: 1)
International Journal of Nano Devices, Sensors and Systems     Open Access   (Followers: 1)
International Journal of Nanoscience     Hybrid Journal   (Followers: 1)
International Journal of Numerical Modelling:Electronic Networks, Devices and Fields     Hybrid Journal   (Followers: 2)
International Journal of Power Electronics     Hybrid Journal   (Followers: 3)
International Journal of Review in Electronics & Communication Engineering     Open Access   (Followers: 1)
International Journal of Sensors, Wireless Communications and Control     Hybrid Journal   (Followers: 2)
International Journal of Systems, Control and Communications     Hybrid Journal   (Followers: 2)
International Journal on Communication     Full-text available via subscription   (Followers: 7)
International Journal on Electrical and Power Engineering     Full-text available via subscription   (Followers: 10)
ISRN Electronics     Open Access   (Followers: 1)
ISRN Signal Processing     Open Access  
Journal of Advanced Dielectrics     Open Access   (Followers: 1)
Journal of Artificial Intelligence     Open Access   (Followers: 5)
Journal of Circuits, Systems, and Computers     Hybrid Journal   (Followers: 1)
Journal of Electrical and Electronics Engineering Research     Open Access   (Followers: 2)
Journal of Electrical Bioimpedance     Full-text available via subscription   (Followers: 2)
Journal of Electrical Engineering & Electronic Technology     Full-text available via subscription   (Followers: 1)
Journal of Electromagnetic Analysis and Applications     Open Access   (Followers: 3)
Journal of Electromagnetic Waves and Applications     Hybrid Journal   (Followers: 2)
Journal of Electronic Design Technology     Full-text available via subscription   (Followers: 1)
Journal of Electronics (China)     Hybrid Journal   (Followers: 2)
Journal of Field Robotics     Hybrid Journal   (Followers: 2)
Journal of Guidance, Control, and Dynamics     Full-text available via subscription   (Followers: 50)
Journal of Intelligent Procedures in Electrical Technology     Open Access  
Journal of Low Power Electronics     Full-text available via subscription   (Followers: 4)
Journal of Low Power Electronics and Applications     Open Access   (Followers: 1)

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Journal Cover Radiophysics and Quantum Electronics
   [4 followers]  Follow    
   Hybrid Journal Hybrid journal (It can contain Open Access articles)
     ISSN (Print) 1573-9120 - ISSN (Online) 0033-8443
     Published by Springer-Verlag Homepage  [2210 journals]   [SJR: 0.274]   [H-I: 8]
  • Phenomena in the High-Latitude Ionospheric        class="a-plus-plus">F Region Induced by a HF
           Heater Wave at Frequencies Near the Fourth Electron Gyroharmonic
    • Abstract: We present the results of multi-instrument studies of the phenomena in the high-latitude ionospheric F region stimulated by high-power HF O-mode radio waves injected towards the magnetic zenith when the ratio of the heater frequency to the cutoff frequency of the F2 layer is near the fourth electron gyroharmonic. Based on the stimulated electromagnetic emission (SEE), spectral observations in the kilohertz and hertz frequency bands of detunings relative to the heater wave frequency, the behaviors of different parameters of the ionospheric plasma and small-scale artificial field-aligned irregularities are compared and analyzed. The coexistence of the thermal (resonance) parametric instability (TPI) and parametric decay (striction) instability (PDI) was found in the vicinity of the fourth gyroresonance harmonic.
      PubDate: 2014-06-01
  • Recent Trends in Multimodal Optical Coherence Tomography. I.
           Polarization-Sensitive OCT and Conventional Approaches to OCT Elastography
    • Abstract: We discuss physical principles of obtaining polarization-sensitive images, elastographic mapping and visualization of blood circulation/vasculature in optical coherence tomography (OCT). Along with the general overview of the respective methods, we perform comparative critical analysis of some of them from the viewpoint of their feasibility and requirements to OCT systems destined for combining the above-mentioned different image modalities.
      PubDate: 2014-06-01
  • Switching of Microwave Radiation Storage and Output Modes in
           Superconducting Resonance-Cavity Compressors with an Interference Switch
    • Abstract: We propose a commutator for the interference switch of microwave electromagnetic radiation on the basis of a waveguide H-junction made as a cavity with tunable parameters, which is connected to one arm of this junction. The superconducting version of a microwave compressor with such a switch is analyzed. The conditions of effective switch operation in the mode of electromagnetic energy storage and its fast output in the case of controllable manipulation of the Q-factor and resonant frequency of the switching cavity are determined. Estimates of the output parameters of the superconducting compression system are presented for storing- and switching-cavity Q-factors of about 5 ・ 108. The possibility of increasing the radiated power in such a compression system by 40–60 dB for output microwave pulses with durations of about 5–10 ns is demonstrated. Variants of practical implementation of the system are considered.
      PubDate: 2014-06-01
  • Diagnostics of Subsurface Quasi-One-Dimensional Inhomogeneities by the
           Method of Resonance Near-Field Microwave Sounding
    • PubDate: 2014-06-01
  • Scattering of a Plane Electromagnetic Wave by a Metal Cylinder with
           Dielectric or Metamaterial Coating
    • Abstract: The problem of diffraction of a plane electromagnetic wave by a perfectly conducting infinitely long cylinder with coating for the cases of the E and H waves is solved. Calculations are performed using the classical electrodynamic solution, which allowed us to develop the spatial field distribution in the covering dielectric layer and compare it with that of the scattered field. To reveal the relation between the characteristics of the scattered field in the far zone and its structure in the dielectric layer, calculations were performed for various relationships between the wavelength and coating thickness. It is shown that the appearance of the sharp azimuthal and frequency irregularities in the reflected field is related to the coating resonances since the azimuthal structure of the scattered field is a function of the spatial distribution of the secondary sources in this layer, whereas the fine structure of the fast variations with frequency is related to variations in the azimuthal distribution of the secondary-source currents. It is demonstrated that using dielectric coatings, one cannot render the metal cylinder invisible in the wide frequency range.
      PubDate: 2014-06-01
  • Image Correction in Optoacoustic Microscopy. Numerical Simulation
    • Abstract: Optoacoustic microscopy is an efficient method of three-dimensional biomedical visualization, which is based on using single-element focused ultrasonic antennas. Scanning of the studied medium by the focal constriction of an acoustic antenna allows one to retrieve the location of the sources of optoacoustic pulses without using reconstruction algorithms. However, the finite size of the focal constriction results in blurring of optoacoustic images. In this work, we demonstrate the algorithm which is based on calculating the Green’s function for an arbitrary acoustic antenna and allows one to correct optoacoustic images.
      PubDate: 2014-06-01
  • Analysis of One-Point Methods for Lightning-Discharge Passive Location
    • Abstract: We consider different algorithms for one-point determination of the coordinates of a high-current lightning discharge within the framework of its model as an arbitrarily oriented electric dipole. The considered algorithms are based on simultaneous processing of the vertical electric and horizontal magnetic components of the electromagnetic field of the discharge. Model estimations of the errors of some algorithms, which are caused by the influence of external atmospheric and industrial interference, are presented. The results allow one to formulate the requirements for instrumental equipment of lightning direction and range finders and estimate the boundaries of their operative application under conditions of reaching the necessary accuracy. We discuss the data obtained during field tests of functional prototypes of such devices in the actual lightning-storm environment, which confirm their applicability for one-point passive location of thunderstorm cells.
      PubDate: 2014-04-01
  • Classification and Properties of Solutions for the System of Equations of
           Classical Electrode Effect Theory
    • Abstract: We study a one-dimensional stationary system of equations comprising the continuity equation for the ion concentration with the recombination effects taken into account and the Gauss law for the electric field. This system gives a simplified description of various phenomena in ionized medium theory and is used, in particular, for modeling of the electrode effect in the atmospheric surface layers with the turbulent diffusion effects neglected. Using the integral of the system and a phase portrait in the ion concentration plane, we offer a complete classification of types of solutions of the system, examine their properties, and deduce some analytical relations between the ion concentration and the electric field. The basic equations of classical electrode effect theory are obtained for some classes of solutions within the framework of this approach. Correct formulations of the problems are discussed. New classes of solutions, for which there are layers with infinitely increasing conductivity and charge density are described. The Appendix illustrates, in both analytical and graphical form, the results obtained in the main part of this paper on the basis of qualitative reasoning for parameters close to real. Analytical expressions for the fields and ion concentrations are given for all types of solutions. Relations for the distances between electrodes and analytical relations describing the properties of the spatially localized solutions are presented.
      PubDate: 2014-04-01
  • Study of the Threshold Characteristics of a Discharge from Aerosol
    • Abstract: We study experimentally and theoretically the threshold of discharge ignition from conducting particles in a uniform electric field in air as a function of the particle size and shape. It is established that the threshold field increases with decreasing sizes of the particles with a given shape in the entire considered size range. As a result, for particles that are smaller than the critical value, the threshold field exceeds the breakdown value for air. It is found that for each given size of the particles there exists a minimum threshold field, such that the discharge from the particles with this (or smaller) size cannot be ignited in a lower-intensity field regardless of the particle shape. The dependences of the minimum threshold field and the corresponding degree of elongation of the particles on their longitudinal size are determined.
      PubDate: 2014-04-01
  • Formation of the Electric Structure in the Lower Layer of the Atmosphere:
           Experimental Studies and Generalization of the Data
    • Abstract: We discuss the results of field studies of the electric processes in the ground layer of the atmosphere. Vertical variations in the electric-potential gradient near the Earth’s surface along with the data of measurements of the polar electrical conductivity, the concentration of radon-220 in the atmosphere and soil gas, and meteorological parameters in the lower 3-m layer of the atmosphere are considered. Variations in the gradient of the potential in the ground layer of the atmosphere are determined by local processes of formation of a spare electric discharge. Density profiles of the total space charge are estimated in accordance with the Poisson equation on the basis of direct measurements of the electric potential. The density of the light-ion charge is calculated using the results of measurements of the polar electrical conductivity. It is found that as a rule, alternation of two or three layers of the space charge with different signs is observed along the vertical at the observation points in the 3-m atmospheric layer under consideration. The nature of the charged layers, which are observed under different conditions near the Earth’s surface, is discussed.
      PubDate: 2014-04-01
  • A Study of Parameters of the Counterpropagating Leader and its Influence
           on the Lightning Protection of Objects Using Large-Scale Laboratory
    • Abstract: In this work, the results of experiments on initiating the upward and descending leaders during the development of a long spark when studying lightning protection of objects with the help of large-scale models are shown. The influence of the counterpropagating leaders on the process of the lightning strike of ground-based and insulated objects is discussed. In the first case, the upward negative leader is initiated by the positive downward leader, which propagates from the high-voltage electrode of the “rod–rod”-type Marx generator (the rod is located on the plane and is 3-m high) in the gap with a length of 9–12 m. The positive-voltage pulse with a duration of 7500 μs had an amplitude of up to 3 MV. In the second case, initiation of the positive upward leader was performed in the electric field created by a cloud of negatively charged aerosol, which simulates the charged thunderstorm cell. In this case, all the phases characteristic of the ascending lightnings initiated by the tall ground-based objects and the triggered lightnings during the experiments with an actual thunderstorm cloud were observed in the forming spark discharge with a length of 1.5–2.0 m. The main parameters of the counterpropagating leader, which is initiated by the objects during the large-scale model experiments with a long spark, are shown.
      PubDate: 2014-04-01
  • Electrode Layer in the Electric Field of Deep Convective Cloudiness
    • Abstract: We study variations in the light-ion concentration and space charge density in the atmospheric surface layer during the passage of deep convective clouds. Analysis of the experimental data for 2006–2012 shows matched variations in the positive and negative ion conductivities and both an increase and a decrease (down to zero) in the light-ion concentration at that time. An approach in which the electric field is the external driving force is proposed to describe the properties of the nonstationary electrode layer of the surface atmosphere during thunderstorms. It is shown that the transport of aeroions in the thunderstorm atmosphere is realized by both turbulent flows of air and electric forces, the latter playing a major role. The dynamics of changes in the electrode layer parameters as a function of the field variations has been identified.
      PubDate: 2014-04-01
  • On Statistical Characteristics of Electric Fields of the Thunderstorm
           Clouds in the Atmosphere
    • Abstract: A series of features of the spectral characteristics of thunderstorm-cloud field perturbations is specified on the basis of long-term ground-based measurements of the electric field at remote locations. A significant increase in the spectral density of the electric-field variations during the thunderstorm has been observed. Maximum increase due to the pulsed field component, which is related to the lightning discharges, is observed in the fluctuation-period range from tens of seconds to several minutes. A significant increase is also observed in the range 0.5–1.5 mHz (10–30-min periods) in which the spectral density is increased by more than a factor of 104, whereas the increase factor at the lower frequencies is equal to 100 (about 10 times for the field). Quasimonochromatic components (with 10–20-min periods) in the frequency fluctuation spectra of an electric field of the powerful thunderstorm clouds, which drift by frequency at the cloud initiation, maturity, and dissipation stages are found. It is shown that presentation of the sequence of the pulsed field perturbations related to the discharges in the form of a pulse flow with independent intervals (Poisson flow) agrees with the form of the fluctuation spectrum of the observed field and leads to an estimate of 10 s for the average relaxation (regeneration) time of the field in the thunderstorm-cloud vicinity after the discharge.
      PubDate: 2014-04-01
  • Dynamics of Undisturbed Midlatitude Atmospheric Electricity: From
           Observations to Scaling
    • Abstract: Long-term dynamics of the electric field of the midlatitude near-surface atmosphere in a wide range of temporal scales is analyzed according to multiyear observatory and seasonal field observations. It is found that the daily dynamics of the aeroelectric field at mid-latitudes most authentically repeats a diurnal variation for the winter months. It is stated that short-period pulsations of the electric field have a self-similar power-law spectrum. Spatio-temporal scales of the self-similarity interval are estimated and the nature of the generalized diffusive process of the aeroelectric pulsation generation is defined. Characteristics of the turbulent ΔE pulsations are analyzed. Estimates of interrelation between the dynamic (fractal dimensions, intermittency indices) and power (degrees of spectral index and structure function) ΔE characteristics are obtained. Mutual correlations between atmospheric electric field variations, vertical atmospheric electrical current density, space charge density, and atmospheric electrical conductivity are studied. It is shown that variations of the light atmospheric ion number density and space charge density are related with variations of the Radon-222 emanations. Spectral analysis of the space charge density variations is carried out. It is shown that the electrodynamic state of the surface atmosphere depends on the convective state of the atmospheric boundary layer.
      PubDate: 2014-04-01
  • Study of the Evolution of the Electric Structure of a Convective Cloud
           Using the Data of a Numerical Nonstationary Three-Dimensional Model
    • Abstract: Numerical nonstationary three-dimensional model of a convective cloud with parameterized description of microphysical processes with allowance for the electrization processes is considered. The results of numerical modeling of the cloud evolution for the specified atmospheric conditions are presented. The spatio-temporal distribution of the main cloud characteristics including the volume charge density and the electric field is obtained. The calculation results show that the electric structure of the cloud is different at its various life stages, i.e., it varies from unipolar to dipolar and then to tripolar. This conclusion is in fair agreement with the field studies.
      PubDate: 2014-04-01
  • Electrodynamic Model of the Atmospheric Convective-Turbulent Surface Layer
    • Abstract: We developed a nonstationary electrodynamic model of the atmospheric convective-turbulent surface layer. As a result of numerical calculations, spatio-temporal distributions of the aero-ion concentration, electric field, conduction current density, and space charge density were obtained under various physical conditions. Depending on the flow direction, convective transfer can strengthen or weaken the effect of turbulent mixing on the electrical state of the atmospheric surface layer.
      PubDate: 2014-04-01
  • Corona Discharge in Clouds
    • Abstract: We present a review of the results of theoretical studies and laboratory modeling of corona discharge initiation in clouds. The influence of corona discharges on the evolution of the cloud microstructure and electrification is analyzed. It is shown that corona discharges are initiated when large-size hydrometeors approach each other, whereas in some cases, corona discharges from crystals, ice pellets, and hailstones can appear. The corona discharges lead to significant air ionization, charging of cloud particles, and separation of charges in clouds and initiate streamers and lightnings. The influence of corona discharges on changes in the phase composition of clouds is analyzed.
      PubDate: 2014-04-01
  • Flashes in the Middle and Upper Atmosphere Initiated by the Lightning
           Discharges: Recent Results and Future Optical and Spectral Observation
    • Abstract: Recent years yielded important experimental results in the field of studying the middle- and the upper-atmospheric discharges initiated by the lightning strokes. These results have been obtained using the most widespread measurement method related to the high-speed high-sensitivity visibleband cameras and the spectroscopy, which is the most rapidly developing method of observation of the upper-atmospheric flashes. Both methods are used during the ground-based, as well as the balloon- and satellite-borne observations. The above-mentioned methods are reviewed in this paper.
      PubDate: 2014-04-01
  • Numerical Simulation of Thermodynamic, Microstructural, and Electric
           Characteristics of Convective Clouds at the Growth and Mature Stages
    • Abstract: Numerical calculations of convective-cloud formation during unstable atmospheric stratification and background wind are performed using the author’s three-dimensional nonstationary model with detailed allowance for hydrodynamic, thermodynamic, microphysical, and electric processes. Formation of the positive and negative volume electric charges is studied and the electric field is calculated at various cloud-development stages. The obtained electrostatic-field intensity is used for correction of the cloud-particle coagulation coefficient which increases in the presence of the field and the charges. It is found that the precipitation-particle growth time in an intense convective cloud is decreased by 20–30 % due to electric coagulation.
      PubDate: 2014-04-01
  • One-Dimensional Self-Consistent Model of the Sprite/Halo Influence on the
           Mesosphere Chemistry
    • Abstract: The influence of the high-altitude discharges (sprites and halos) on the mesospheric chemical composition and the photon radiation, which is typical of the discharges, is analyzed. A onedimensional self-consistent model of the high-altitude discharges for altitudes of 60 to 90 km, which is the extension of the one-point sprite model [1], is developed. The electric field at the mesospheric altitudes from the noncompensated discharge in a cloud is specified in the dipole approximation with allowance for the features of the current flow in the lightning channel when the cloud–Earth discharge is developed in the troposphere. Perturbation of the ion, electron, and neutral-component densities from the sprite flare and the photon-emission intensity for the sprite and halo is analyzed. The threshold value of the dipole moment, which is required for the sprite initiation, is obtained. The dependence of the size of the diffuse region of the sprite on the dipole moment of the noncompensated electric discharge in the cloud is studied.
      PubDate: 2014-04-01
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