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  Subjects -> ELECTRONICS (Total: 138 journals)
Advances in Biosensors and Bioelectronics     Open Access   (Followers: 2)
Advances in Magnetic and Optical Resonance     Full-text available via subscription   (Followers: 5)
Advances in Microelectronic Engineering     Open Access   (Followers: 1)
Advances in Power Electronics     Open Access   (Followers: 8)
Aerospace and Electronic Systems, IEEE Transactions on     Hybrid Journal   (Followers: 57)
American Journal of Electrical and Electronic Engineering     Open Access   (Followers: 8)
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: 6)
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: 12)
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: 13)
China Communications     Full-text available via subscription   (Followers: 1)
Circuits and Systems     Open Access   (Followers: 7)
Consumer Electronics Times     Open Access   (Followers: 4)
Control Systems     Hybrid Journal   (Followers: 20)
Electronic Markets     Hybrid Journal   (Followers: 5)
Electronic Materials Letters     Hybrid Journal   (Followers: 2)
Electronics     Open Access   (Followers: 7)
Electronics and Communications in Japan     Hybrid Journal   (Followers: 4)
Electronics Letters     Hybrid Journal   (Followers: 17)
Embedded Systems Letters, IEEE     Hybrid Journal   (Followers: 15)
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: 6)
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: 20)
Haptics, IEEE Transactions on     Hybrid Journal   (Followers: 4)
IEEE Consumer Electronics Magazine     Full-text available via subscription   (Followers: 11)
IEEE Journal of Emerging and Selected Topics in Power Electronics     Hybrid Journal   (Followers: 6)
IEEE Journal of the Electron Devices Society     Open Access   (Followers: 1)
IEEE Power Electronics Magazine     Full-text available via subscription   (Followers: 4)
IEEE Transactions on Audio, Speech, and Language Processing     Hybrid Journal   (Followers: 10)
IEEE Transactions on Automatic Control     Hybrid Journal   (Followers: 20)
IEEE Transactions on Consumer Electronics     Hybrid Journal   (Followers: 12)
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: 14)
IEICE - Transactions on Electronics     Full-text available via subscription   (Followers: 8)
IEICE - Transactions on Information and Systems     Full-text available via subscription   (Followers: 7)
IET Power Electronics     Hybrid Journal   (Followers: 9)
IET Wireless Sensor Systems     Hybrid Journal   (Followers: 6)
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: 11)
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: 5)
International Journal of Advanced Research in Computer Science and Electronics Engineering     Open Access   (Followers: 20)
International Journal of Advances in Telecommunications, Electrotechnics, Signals and Systems     Open Access   (Followers: 3)
International Journal of Aerospace Innovations     Full-text available via subscription   (Followers: 11)
International Journal of Applied Electronics in Physics & Robotics     Open Access   (Followers: 1)
International Journal of Biomedical Nanoscience and Nanotechnology     Hybrid Journal   (Followers: 5)
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: 11)
International Journal of Electronics     Hybrid Journal   (Followers: 2)
International Journal of Electronics & Data Communication     Open Access   (Followers: 4)
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: 4)
International Journal of Review in Electronics & Communication Engineering     Open Access   (Followers: 2)
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: 54)
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
   Journal TOC RSS feeds Export to Zotero [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  [2209 journals]   [SJR: 0.274]   [H-I: 8]
  • Bandpass Filters Based on L-ridged Rectangular Waveguides
    • Abstract: We solve the problem of electrodynamic analysis and synthesis of bandpass filters based on rectangular waveguides with complex L-shaped ridges. Cutoff wave numbers and components of the electromagnetic field were calculated by the partial region method with allowance for the singularity of the electromagnetic field on metal ribs. As a prototype, the model of a cutoff filter and an approximation of its amplitude-frequency characteristic by the Chebyshev polynomials were used. Examples of synthesis of narrow-band filters with inputs based on a rectangular waveguide and an H-waveguide are presented. Advantages of using a novel waveguide with a complex cross section in the filter are considered, including the appearance of a total reflection frequency (antiresonance) in the filter rejection band, which allows one to significantly extend this band and increase the attenuation level in it.
      PubDate: 2014-08-01
  • Scattering of an Electromagnetic Wave by a Structure Consisting of Several
           Thin Dielectric Cylinders with Finite Lengths
    • Abstract: We generalize a version of the auxiliary-source method, which was proposed earlier to solve the problem of scattering of an electromagnetic field by a single thin dielectric cylinder, to the case of a structure consisting of several noncrossing cylinders of such a type. The specially developed computer code is briefly described. The results of numerical calculations of the scattering cross sections for some particular structures are reported.
      PubDate: 2014-08-01
  • Impact of the Elf Receiver on Characteristics of the Observed Q-bursts
    • Abstract: We consider the impact of a typical Schumann-resonance receiver on the waveforms of the ELF transients, or Q-bursts. For this purpose, the Q-bursts were calculated both in the frequency and the time domains. The data obtained within the framework of the frequently used models of the propagation constant are compared. The effect of a typical ELF receiver containing a 4–40-Hz bandpass filter combined with a 50-Hz notch filter is evaluated. The main attention is given to distortions in the pulsed signal waveform. It is found to what extent a Schumann-resonance receiver retards the pulse, how the ratio between the amplitudes of the positive and negative half-waves at the pulse front is modified, and how the antipodal and round-the-world subpulses are distorted. Since such distortions are able to impede correct identification of the ELF pulses and determination of the source polarity and the source-to-observer distance, we discuss the possible ways of compensating for the deformations produced by the receiver.
      PubDate: 2014-08-01
  • Small-Scale Turbulence of the Earth’s Magnetosheath
    • Abstract: We present the results of experiments on reception of the Sura facility signals in the 9-MHz range using the WIND spacecraft. The technique of determining the temporal spectrum of the Earth’s magnetosheath plasma irregularities with less than 100-km scales based on the radio scintillation spectrum in terms of the weak scattering theory is proposed and implemented. Using the in situ measurements of the electron number density onboard spacecraft with a temporal resolution of about 3 s, it has been found that the inner scale of the magnetosheath turbulence varies within 10–90 km with a mean value of about 30 km.
      PubDate: 2014-08-01
  • Analysis of the Throughput of the Cellular Radio-Communication Systems
           Using Coordinated Data Transmission to Suppress Mutual Unintended
    • Abstract: We present the results of the comparative analysis of two data-transmission schemes of the fourth-generation cellular communication standard LTE-A, which use the “quasistatic” and “dynamic” coordination at the neighbor base stations. Both schemes are used to suppress mutual unintended co-channel interference resulting from the repeated use of one frequency channel by the neighbor base stations. The general case of the heterogeneous cellular radio-communication system with different station types (macro- and picostations) is considered. In this work, the efficiency of the coordinated-transmission schemes is studied along with the adaptive algorithms for the dataflow planning and control. The use of both coordination schemes is comparatively analyzed. An original algorithm for redistribution of the user connections is proposed for the dynamic scheme and the dependence of the communication-system throughput on the radio-network configuration and the number of base stations, that participate in the coordination is studied.
      PubDate: 2014-08-01
  • Recent Trends in Multimodal Optical Coherence Tomography. II. The
           Correlation-Stability Approach in OCT Elastography and Methods for
           Visualization of Microcirculation
    • Abstract: The second part of this paper continues the discussion of possibilities for combining functionally different types of biomedical characterization of tissues using optical coherence tomography (OCT). In the first part, polarization-sensitive imaging and conventional approaches to elastographic mapping in OCT were considered. Here, we consider an unconventional approach to elastographic mapping based on the analysis of variability of OCT images of the deformed tissue, omitting the stage of the displacement-field reconstruction. We also discuss methods for quantification of blood flow and visualization of microvasculature, some of which have much in common with the elastographic approach based on the analysis of temporal variability of OCT frames. This similarity looks especially promising in the context of combining multiple contrast mechanisms to enable prospective multimodal OCT scanners, as is essential for biomedical progress given the complex and heterogeneous nature of real biological tissues.
      PubDate: 2014-08-01
  • Study of the Plasma Turbulence Dynamics by Measurements of Diagnostic
           Stimulated Electromagnetic Emission. I. Experimental Results
    • Abstract: We consider the possibilities of studying the evolution of the plasma wave spectrum and artificial striations of the plasma density at different altitudes of the disturbed ionospheric region modified by high-power HF radio waves from the SURA heating facility based on measurements of the dynamic characteristics of diagnostic stimulated electromagnetic emission.
      PubDate: 2014-07-01
  • Multi-Point Detection of the Elf Transient Caused by the Gamma Flare of
           December 27, 2004
    • Abstract: We present the experimental records of the radio pulse related to the gamma burst that took place on December 27, 2004. The records, which are synchronized by GPS time marks, were obtained in the observatories at Moshiri and Onagawa (Japan), Esrange (Sweden), Karimshino (Kamchatka, Russia), Nagycenk (Hungary), and Hornsund (Polish Polar Station Spitzbergen). The data demonstrate exceptional similarity and contain characteristic pulses that correspond to the time of gamma-ray arrival. Processing of the signals shows that along with the time match, the following modeling predictions are confirmed: radio pulses contain a signal at the main frequency of the Schumann resonance, the field source has positive polarity (the current is directed from the ionosphere towards the Earth), the polarization of the horizontal magnetic field of the radio wave is almost linear, and the directions towards the source indicate the epicenter of the gamma-quanta flux collision with the ionosphere. These properties correspond to the concept of the parametric electromagnetic pulse that is produced due to a significant change in the current in the global electric circuit, which is caused by a cosmic gamma-ray flare.
      PubDate: 2014-07-01
  • Aperiodic Large-Scale Disturbances in the Lower Ionosphere. Ionosonde
           Observation Results
    • Abstract: We present the observed disturbances of the parameters of the ionosphere affected by high-power radio waves from the SURA heating facility. Ionosondes located in Nizhny Novgorod and Moscow (Russia), Kharkov (Ukraine), and Pruhonice (Czechia) were used for the observations. The diagnostic tools were from 560 to 2200 km away from SURA. Additional ionization layers with a cutoff frequency of 2.6–3.4 MHz were occasionally observed on the ionograms of the Nizhny Novgorod and Moscow stations. The effective altitude of these layers was 120–160 km and the true altitude was about 110–130 km. The occurrence of additional ionization layers below 100–130 km was controlled by an increase in the minimum observable frequency (MOF). For the Moscow station, the MOF increased by about 1 MHz in the daytime and almost did not change in the night time. MOF variations on the ionograms of the Kharkov and Pruhonice stations were less significant (0.3–0.4 MHz) in all time of the day. The observed effects are most probably due to the midlatitude precipitation of electrons from the inner radiation belt, which increased the electron number density in the ionosphere, absorption of the sounding radio waves, and the MOF. Estimated particle flux density was 108–109 m−2 ·s−1. The electron number density in the daytime increased by a factor of 2–3.
      PubDate: 2014-07-01
  • Corrugation Profile for the Quasioptical Polarization Separator
    • Abstract: We consider and classify the regime of separation of two orthogonally polarized E and H waves by using a reflecting metal diffraction grating, which sends all the energy of an incident wave with one polarization to the specular order of diffraction, and that of an incident wave with the other polarization, to the (−1)st order of diffraction (in this case, the autocollimation regime is used). The conditions of existence of such a regime are studied in the simplest cases (generalization of the approach presented in [1, 2] to the case of a sinusoidal surface), along with the possibility to construct more complex (nonsinusoidal) corrugation profiles, for which the specified regime has certain advantages, e.g., a wider bandwidth. Examples of such profiles are presented. The studies are performed on the basis of numerical solution of the problem of diffraction of a plane electromagnetic wave by a perfectly conducting corrugated surface within the framework of the integral-equation method employing the authors’ computer visualization code.
      PubDate: 2014-07-01
  • Filtering Features of Long Acoustic-Gravity Waves in a Windless Atmosphere
    • Abstract: Equations for the wave perturbations of velocity and pressure in a nonisothermal atmosphere are considered. It is noted that the pressure perturbation has singularities near the altitude where the equality of the horizontal phase velocity of the perturbation and sound velocity in the medium is fulfilled. At this altitude, a thin atmospheric layer with finite mass is concentrated. The wave perturbations do not penetrate to a higher level. The presence of a singularity in the wave perturbation of pressure was numerically confirmed for the actual altitude temperature profiles of the atmosphere.
      PubDate: 2014-07-01
  • Aperture Synthesis due to the Motion of a Single Receiver During Direction
           Finding of the Narrowband Noise Sources
    • Abstract: We consider the possibilities of the aperture synthesis using a single moving receiver during direction finding of the sources emitting a random stationary narrowband signal. It is shown that in this case the coordinates and projections of the source velocities can be determined from the current estimates of the Doppler frequency shift. Using the Cramér–Rao bound, we analyze accuracy of determining the parameters which characterize the rectilinear trajectory of the source during the circumferential receiver motion as functions of the synthetic-aperture size, emittedsignal bandwidth, signal-to-noise ratio, etc. Possible applications of the proposed version of the aperture synthesis in underwater acoustics and radio astronomy are considered.
      PubDate: 2014-07-01
  • 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
  • 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
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