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  Subjects -> ELECTRONICS (Total: 207 journals)
Showing 1 - 200 of 277 Journals sorted by number of followers
IEEE Transactions on Aerospace and Electronic Systems     Hybrid Journal   (Followers: 314)
Control Systems     Hybrid Journal   (Followers: 252)
IEEE Transactions on Geoscience and Remote Sensing     Hybrid Journal   (Followers: 202)
Journal of Guidance, Control, and Dynamics     Hybrid Journal   (Followers: 194)
Electronics     Open Access   (Followers: 138)
Advances in Electronics     Open Access   (Followers: 132)
Electronic Design     Partially Free   (Followers: 129)
Electronics For You     Partially Free   (Followers: 128)
IEEE Antennas and Propagation Magazine     Hybrid Journal   (Followers: 120)
IEEE Power Electronics Magazine     Full-text available via subscription   (Followers: 91)
IEEE Transactions on Power Electronics     Hybrid Journal   (Followers: 89)
IEEE Antennas and Wireless Propagation Letters     Hybrid Journal   (Followers: 88)
IEEE Transactions on Software Engineering     Hybrid Journal   (Followers: 84)
IEEE Transactions on Industrial Electronics     Hybrid Journal   (Followers: 84)
IEEE Transactions on Antennas and Propagation     Full-text available via subscription   (Followers: 81)
IET Power Electronics     Open Access   (Followers: 70)
IEEE Transactions on Automatic Control     Hybrid Journal   (Followers: 67)
Selected Topics in Applied Earth Observations and Remote Sensing, IEEE Journal of     Hybrid Journal   (Followers: 63)
IEEE Embedded Systems Letters     Hybrid Journal   (Followers: 62)
IEEE Transactions on Industry Applications     Hybrid Journal   (Followers: 58)
IEEE Journal of Emerging and Selected Topics in Power Electronics     Hybrid Journal   (Followers: 53)
Canadian Journal of Remote Sensing     Full-text available via subscription   (Followers: 53)
Advances in Power Electronics     Open Access   (Followers: 49)
IEEE Nanotechnology Magazine     Hybrid Journal   (Followers: 45)
IEEE Transactions on Consumer Electronics     Hybrid Journal   (Followers: 45)
Journal of Electrical and Electronics Engineering Research     Open Access   (Followers: 41)
IEEE Transactions on Biomedical Engineering     Hybrid Journal   (Followers: 35)
IEEE Transactions on Circuits and Systems for Video Technology     Hybrid Journal   (Followers: 34)
IET Microwaves, Antennas & Propagation     Open Access   (Followers: 34)
Journal of Physics B: Atomic, Molecular and Optical Physics     Hybrid Journal   (Followers: 32)
American Journal of Electrical and Electronic Engineering     Open Access   (Followers: 30)
IEEE Transactions on Information Theory     Hybrid Journal   (Followers: 28)
Electronics Letters     Open Access   (Followers: 28)
Bell Labs Technical Journal     Hybrid Journal   (Followers: 27)
Microelectronics and Solid State Electronics     Open Access   (Followers: 27)
International Journal of Power Electronics     Hybrid Journal   (Followers: 24)
International Journal of Aerospace Innovations     Full-text available via subscription   (Followers: 24)
Journal of Sensors     Open Access   (Followers: 23)
International Journal of Image, Graphics and Signal Processing     Open Access   (Followers: 22)
IEEE Reviews in Biomedical Engineering     Hybrid Journal   (Followers: 20)
IEEE/OSA Journal of Optical Communications and Networking     Hybrid Journal   (Followers: 19)
IEEE Transactions on Electron Devices     Hybrid Journal   (Followers: 18)
Journal of Artificial Intelligence     Open Access   (Followers: 18)
Journal of Power Electronics & Power Systems     Full-text available via subscription   (Followers: 17)
IET Wireless Sensor Systems     Open Access   (Followers: 17)
Circuits and Systems     Open Access   (Followers: 16)
Machine Learning with Applications     Full-text available via subscription   (Followers: 15)
Archives of Electrical Engineering     Open Access   (Followers: 15)
International Journal of Control     Hybrid Journal   (Followers: 14)
IEEE Transactions on Signal and Information Processing over Networks     Hybrid Journal   (Followers: 14)
International Journal of Advanced Research in Computer Science and Electronics Engineering     Open Access   (Followers: 14)
IEEE Women in Engineering Magazine     Hybrid Journal   (Followers: 13)
Advances in Microelectronic Engineering     Open Access   (Followers: 13)
IEEE Solid-State Circuits Magazine     Hybrid Journal   (Followers: 13)
IEEE Transactions on Learning Technologies     Full-text available via subscription   (Followers: 12)
IEEE Transactions on Broadcasting     Hybrid Journal   (Followers: 12)
Intelligent Transportation Systems Magazine, IEEE     Full-text available via subscription   (Followers: 12)
International Journal of Microwave and Wireless Technologies     Hybrid Journal   (Followers: 11)
Journal of Low Power Electronics     Full-text available via subscription   (Followers: 11)
International Journal of Advanced Electronics and Communication Systems     Open Access   (Followers: 11)
IEICE - Transactions on Electronics     Full-text available via subscription   (Followers: 11)
International Journal of Sensors, Wireless Communications and Control     Hybrid Journal   (Followers: 11)
Open Journal of Antennas and Propagation     Open Access   (Followers: 10)
IETE Journal of Research     Open Access   (Followers: 10)
Solid-State Electronics     Hybrid Journal   (Followers: 10)
International Journal of Advances in Telecommunications, Electrotechnics, Signals and Systems     Open Access   (Followers: 10)
Journal of Signal and Information Processing     Open Access   (Followers: 9)
IETE Technical Review     Open Access   (Followers: 9)
International Journal of Wireless and Microwave Technologies     Open Access   (Followers: 9)
Nature Electronics     Hybrid Journal   (Followers: 9)
Superconductivity     Full-text available via subscription   (Followers: 9)
Electronics and Communications in Japan     Hybrid Journal   (Followers: 9)
Batteries     Open Access   (Followers: 9)
APSIPA Transactions on Signal and Information Processing     Open Access   (Followers: 8)
International Journal of Electronics and Telecommunications     Open Access   (Followers: 8)
International Journal of Antennas and Propagation     Open Access   (Followers: 8)
Journal of Low Power Electronics and Applications     Open Access   (Followers: 8)
IEEE Journal of the Electron Devices Society     Open Access   (Followers: 8)
Journal of Electronic Design Technology     Full-text available via subscription   (Followers: 8)
Advances in Electrical and Electronic Engineering     Open Access   (Followers: 8)
IEEE Transactions on Autonomous Mental Development     Hybrid Journal   (Followers: 8)
Journal of Electromagnetic Waves and Applications     Hybrid Journal   (Followers: 8)
China Communications     Full-text available via subscription   (Followers: 8)
Universal Journal of Electrical and Electronic Engineering     Open Access   (Followers: 7)
Power Electronic Devices and Components     Open Access   (Followers: 7)
Foundations and Trends® in Signal Processing     Full-text available via subscription   (Followers: 7)
Nanotechnology, Science and Applications     Open Access   (Followers: 7)
IEEE Magnetics Letters     Hybrid Journal   (Followers: 7)
Progress in Quantum Electronics     Full-text available via subscription   (Followers: 7)
Foundations and Trends® in Communications and Information Theory     Full-text available via subscription   (Followers: 6)
Metrology and Measurement Systems     Open Access   (Followers: 6)
Advances in Biosensors and Bioelectronics     Open Access   (Followers: 6)
International Journal of Systems, Control and Communications     Hybrid Journal   (Followers: 6)
Kinetik : Game Technology, Information System, Computer Network, Computing, Electronics, and Control     Open Access   (Followers: 6)
International Journal of Electronics     Hybrid Journal   (Followers: 6)
IEICE - Transactions on Information and Systems     Full-text available via subscription   (Followers: 6)
Research & Reviews : Journal of Embedded System & Applications     Full-text available via subscription   (Followers: 6)
Journal of Power Electronics     Hybrid Journal   (Followers: 6)
Annals of Telecommunications     Hybrid Journal   (Followers: 6)
Electronic Markets     Hybrid Journal   (Followers: 6)
Energy Storage Materials     Full-text available via subscription   (Followers: 6)
IEEE Transactions on Services Computing     Hybrid Journal   (Followers: 5)
International Journal of Computational Vision and Robotics     Hybrid Journal   (Followers: 5)
Journal of Optoelectronics Engineering     Open Access   (Followers: 5)
Journal of Electromagnetic Analysis and Applications     Open Access   (Followers: 5)
Journal of Field Robotics     Hybrid Journal   (Followers: 5)
Journal of Electronics (China)     Hybrid Journal   (Followers: 5)
Batteries & Supercaps     Hybrid Journal   (Followers: 5)
IEEE Pulse     Hybrid Journal   (Followers: 5)
Journal of Microelectronics and Electronic Packaging     Hybrid Journal   (Followers: 4)
Networks: an International Journal     Hybrid Journal   (Followers: 4)
EPE Journal : European Power Electronics and Drives     Hybrid Journal   (Followers: 4)
Advanced Materials Technologies     Hybrid Journal   (Followers: 4)
Frontiers in Electronics     Open Access   (Followers: 4)
Wireless and Mobile Technologies     Open Access   (Followers: 4)
Synthesis Lectures on Power Electronics     Full-text available via subscription   (Followers: 4)
Journal of Energy Storage     Full-text available via subscription   (Followers: 4)
IEEE Transactions on Haptics     Hybrid Journal   (Followers: 4)
Journal of Electrical Engineering & Electronic Technology     Hybrid Journal   (Followers: 4)
Journal of Circuits, Systems, and Computers     Hybrid Journal   (Followers: 4)
International Journal of Review in Electronics & Communication Engineering     Open Access   (Followers: 4)
Electronic Materials Letters     Hybrid Journal   (Followers: 4)
Journal of Biosensors & Bioelectronics     Open Access   (Followers: 4)
Biomedical Instrumentation & Technology     Hybrid Journal   (Followers: 4)
IJEIS (Indonesian Journal of Electronics and Instrumentation Systems)     Open Access   (Followers: 3)
Informatik-Spektrum     Hybrid Journal   (Followers: 3)
IEEE Journal on Exploratory Solid-State Computational Devices and Circuits     Hybrid Journal   (Followers: 3)
International Journal of Numerical Modelling: Electronic Networks, Devices and Fields     Hybrid Journal   (Followers: 3)
Advancing Microelectronics     Hybrid Journal   (Followers: 3)
International Journal of Applied Electronics in Physics & Robotics     Open Access   (Followers: 3)
IETE Journal of Education     Open Access   (Followers: 3)
Superconductor Science and Technology     Hybrid Journal   (Followers: 3)
Sensors International     Open Access   (Followers: 3)
e-Prime : Advances in Electrical Engineering, Electronics and Energy     Open Access   (Followers: 3)
EPJ Quantum Technology     Open Access   (Followers: 3)
Frontiers of Optoelectronics     Hybrid Journal   (Followers: 3)
Transactions on Electrical and Electronic Materials     Hybrid Journal   (Followers: 2)
ACS Applied Electronic Materials     Open Access   (Followers: 2)
IET Smart Grid     Open Access   (Followers: 2)
Energy Storage     Hybrid Journal   (Followers: 2)
Journal of Microwave Power and Electromagnetic Energy     Hybrid Journal   (Followers: 2)
Australian Journal of Electrical and Electronics Engineering     Hybrid Journal   (Followers: 2)
Journal of Information and Telecommunication     Open Access   (Followers: 2)
TELKOMNIKA (Telecommunication, Computing, Electronics and Control)     Open Access   (Followers: 2)
Journal of Semiconductors     Full-text available via subscription   (Followers: 2)
Radiophysics and Quantum Electronics     Hybrid Journal   (Followers: 2)
International Transaction of Electrical and Computer Engineers System     Open Access   (Followers: 2)
Journal of Intelligent Procedures in Electrical Technology     Open Access   (Followers: 2)
Sensing and Imaging : An International Journal     Hybrid Journal   (Followers: 2)
Security and Communication Networks     Hybrid Journal   (Followers: 2)
Journal of Nuclear Cardiology     Hybrid Journal   (Followers: 2)
ECTI Transactions on Electrical Engineering, Electronics, and Communications     Open Access   (Followers: 1)
IET Energy Systems Integration     Open Access   (Followers: 1)
Majalah Ilmiah Teknologi Elektro : Journal of Electrical Technology     Open Access   (Followers: 1)
International Journal of Granular Computing, Rough Sets and Intelligent Systems     Hybrid Journal   (Followers: 1)
IEEE Letters on Electromagnetic Compatibility Practice and Applications     Hybrid Journal   (Followers: 1)
Journal of Computational Intelligence and Electronic Systems     Full-text available via subscription   (Followers: 1)
Електротехніка і Електромеханіка     Open Access   (Followers: 1)
Open Electrical & Electronic Engineering Journal     Open Access   (Followers: 1)
IEEE Journal of Electromagnetics, RF and Microwaves in Medicine and Biology     Hybrid Journal   (Followers: 1)
Journal of Advanced Dielectrics     Open Access   (Followers: 1)
Transactions on Cryptographic Hardware and Embedded Systems     Open Access   (Followers: 1)
International Journal of Hybrid Intelligence     Hybrid Journal   (Followers: 1)
Ural Radio Engineering Journal     Open Access   (Followers: 1)
IET Cyber-Physical Systems : Theory & Applications     Open Access   (Followers: 1)
Edu Elektrika Journal     Open Access   (Followers: 1)
Power Electronics and Drives     Open Access   (Followers: 1)
Automatika : Journal for Control, Measurement, Electronics, Computing and Communications     Open Access  
npj Flexible Electronics     Open Access  
Elektronika ir Elektortechnika     Open Access  
Emitor : Jurnal Teknik Elektro     Open Access  
IEEE Solid-State Circuits Letters     Hybrid Journal  
IEEE Open Journal of Industry Applications     Open Access  
IEEE Open Journal of the Industrial Electronics Society     Open Access  
IEEE Open Journal of Circuits and Systems     Open Access  
Journal of Electronic Science and Technology     Open Access  
Solid State Electronics Letters     Open Access  
Industrial Technology Research Journal Phranakhon Rajabhat University     Open Access  
Journal of Engineered Fibers and Fabrics     Open Access  
Jurnal Teknologi Elektro     Open Access  
IET Nanodielectrics     Open Access  
Elkha : Jurnal Teknik Elektro     Open Access  
JAREE (Journal on Advanced Research in Electrical Engineering)     Open Access  
Jurnal Teknik Elektro     Open Access  
IACR Transactions on Symmetric Cryptology     Open Access  
Acta Electronica Malaysia     Open Access  
Bioelectronics in Medicine     Hybrid Journal  
Chinese Journal of Electronics     Open Access  
Problemy Peredachi Informatsii     Full-text available via subscription  
Technical Report Electronics and Computer Engineering     Open Access  
Jurnal Rekayasa Elektrika     Open Access  
Facta Universitatis, Series : Electronics and Energetics     Open Access  
Visión Electrónica : algo más que un estado sólido     Open Access  
Telematique     Open Access  
International Journal of Nanoscience     Hybrid Journal  
International Journal of High Speed Electronics and Systems     Hybrid Journal  
Semiconductors and Semimetals     Full-text available via subscription  

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Similar Journals
Journal Cover
Open Journal of Antennas and Propagation
Number of Followers: 10  

  This is an Open Access Journal Open Access journal
ISSN (Print) 2329-8421 - ISSN (Online) 2329-8413
Published by Scientific Research Publishing Homepage  [243 journals]
  • Radar system with dedicated planar traveling wave antennas for elderly
           people monitoring

    • Abstract: Radar system with dedicated planar traveling wave antennas for elderly people monitoring
      Sassan Schäfer, Simon Müller, Daniel Schmiech, and Andreas R. Diewald
      Adv. Radio Sci., 18, 97–110, https://doi.org/10.5194/ars-18-97-2020, 2020
      In this paper two different antenna topologies for improving the heart beat and breathing detection of people in their homes is shown. A radar system including these antennas for imaging with digital beamforming algorithms has been developed and presented. Measurements are executed and given in this paper with a conclusion.
      PubDate: Thu, 10 Dec 2020 18:15:37 +010
      DOI: 10.5194/ars-18-97-2020 2020

       
  • Respiration parameter determination with non-obstructive methods

    • Abstract: Respiration parameter determination with non-obstructive methods
      Sven Fisahn, Christian Siebauer, Jan Ringkamp, Kirsten J. Dehning, Stefan Zimmermann, and Jens Langejürgen
      Adv. Radio Sci., 18, 89–95, https://doi.org/10.5194/ars-18-89-2020, 2020
      In artificial ventilation of neonates uncuffed endotracheal tubes are commonly used. The unknown leakage hampers the detection of spontaneous breathing. A new method to measure respiration by using antennae has recently been presented. A respective setup is investigated numerically and experimentally. Both approaches show that the method seems capable of allowing a contactless triggering to synchronize ventilation. The results are compared to derive a better understanding of influencing factors.
      PubDate: Thu, 10 Dec 2020 18:15:37 +010
      DOI: 10.5194/ars-18-89-2020 2020

       
  • Observations of Solar Type III radio bursts by Cassini/RPWS experiment

    • Abstract: Observations of Solar Type III radio bursts by Cassini/RPWS experiment
      Mohammed Y. Boudjada, Ahmed Abou el-Fadl, Patrick H. M. Galopeau, Eimad Al-Haddad, and Helmut Lammer
      Adv. Radio Sci., 18, 83–87, https://doi.org/10.5194/ars-18-83-2020, 2020
      We investigate the solar Type III radio bursts recorded at about 10 AU by Cassini spacecraft. More than 300 bursts have been recorded by the RPWS experiment in the time interval from 01 Jan. 2008 to 31 Dec. 2014. We show that the solar Type III occurrence is mainly depending on the solar activity and also exhibits maxima and minima of detection. The source location of such solar bursts is the interplanetary medium because the dominant emission appears at frequency lower than 2.3 MHz.
      PubDate: Thu, 10 Dec 2020 18:15:37 +010
      DOI: 10.5194/ars-18-83-2020 2020

       
  • Experimental Investigation of a Nonlinear Energy Storage Effect due to
           High Power Electromagnetic Excitation

    • Abstract: Experimental Investigation of a Nonlinear Energy Storage Effect due to High Power Electromagnetic Excitation
      Robert Michels, Martin Schaarschmidt, and Frank Gronwald
      Adv. Radio Sci., 18, 75–82, https://doi.org/10.5194/ars-18-75-2020, 2020
      The susceptibility of interference victims can significantly be influenced by the presence of nonlinear circuit elements. In addition to the well known occurrence of intermodulation-frequencies, other effects can be observed as well. Recently, a nonlinear energy storage effect has been discovered which is due to the presence of nonlinearly loaded loop antennas if excited by an HPEM-excitation. In this contribution, this effect is further studied by experiment. It is seen that the nonlinear energy storage effect can be reproduced by means of a rather simple experimental setup. This allows to straighforwardly study parameter variations in order to attain an improved understanding of the considered effect.
      PubDate: Thu, 10 Dec 2020 18:15:37 +010
      DOI: 10.5194/ars-18-75-2020 2020

       
  • Approximation and analysis of transient responses of a reverberation
           chamber by pulsed excitation

    • Abstract: Approximation and analysis of transient responses of a reverberation chamber by pulsed excitation
      Konstantin Pasche, Fabian Ossevorth, and Ralf T. Jacobs
      Adv. Radio Sci., 18, 53–73, https://doi.org/10.5194/ars-18-53-2020, 2020
      Reverberation chambers show transient behaviour when excited with a pulsed signal. The field intensities can in this case be significantly higher than in steady state, which implies that a transient field can exceed predefined limits and render test results uncertain. Effects of excessive field intensities of short duration may get covered and not be observable in a statistical analysis of the field characteristics. In order to ensure that the signal reaches steady state, the duration of the pulse used to excite the chamber needs to be longer than the time constant of the chamber. Initial computations have shown that the pulse width should be about twice as long as the time constant of the chamber to ensure that steady state is reached. The signal is sampled in the time domain with a sampling frequency according to the Nyquist theorem. The bandwidth of the input signal is determined using spectral analysis. For a fixed stirrer position, the reverberation chamber, wires, connectors, and antennas can jointly be considered as a linear time-invariant system. In this article, a procedure will be presented to extract characteristic signal properties such as rise-time, transient overshoot and the mean value in steady state from the system response. The signal properties are determined by first computing the envelope of the sampled data using a Hilbert transform. Subsequent noise reduction is achieved applying a Savitzky–Golay filter. The point where steady state is reached is then computed from the slope of the envelope by utilising a cumulative histogram. The spectral analysis is not suitable to examine the transient behaviour and determine the time constants of the system. These constants are computed applying the method of Prony, which is based on the estimation of a number of parameters in a sum of exponential functions. An alternative to the Prony Method is the Time-Domain Vector-Fit method. In contrast to the first mentioned variant, it is now also possible to determine the transfer function of the overall RC system. Differences and advantages of the methods will be discussed.
      PubDate: Thu, 10 Dec 2020 18:15:37 +010
      DOI: 10.5194/ars-18-53-2020 2020

       
  • Scattering and diffraction of a uniform complex-source beam by a slit in a
           perfectly conducting plane screen

    • Abstract: Scattering and diffraction of a uniform complex-source beam by a slit in a perfectly conducting plane screen
      Ludger Klinkenbusch
      Adv. Radio Sci., 18, 43–52, https://doi.org/10.5194/ars-18-43-2020, 2020
      A new analytical method has been introduced to exactly solve the classical problem of electromagnetic diffraction by a slit. It is faster and easier to implement than the standard solution using Mathieu functions. Moreover, the paper contains a successful comparison of the scattered fields for an incident plane wave with that one obtained for an incident Gaussian beam which is easily modelled by a complex-source beam.
      PubDate: Thu, 10 Dec 2020 18:15:37 +010
      DOI: 10.5194/ars-18-43-2020 2020

       
  • Characteristic Mode Analysis of surface current distributions on metallic
           structures exposed to HIRF- and DCI-excitations

    • Abstract: Characteristic Mode Analysis of surface current distributions on metallic structures exposed to HIRF- and DCI-excitations
      Jan Ückerseifer and Frank Gronwald
      Adv. Radio Sci., 18, 33–41, https://doi.org/10.5194/ars-18-33-2020, 2020
      This paper treats Characteristic Mode Analyses of three-dimensional test objects in the context of EMC. Based on computed Characteristic Modes and mode-specific physical quantities, series expansions for HIRF- and DCI-induced surface currents are deduced. The contribution of single Characteristic Modes to surface currents at different test frequencies is analyzed. HIRF- and DCI-excitations are compared with regard to their surface current distributions in their resonance region determined by Characteristic Mode Analysis.
      PubDate: Thu, 10 Dec 2020 18:15:37 +010
      DOI: 10.5194/ars-18-33-2020 2020

       
  • Towards 3D Simulation for Disaster Intervention Robot Behaviour Assessment

    • Abstract: Towards 3D Simulation for Disaster Intervention Robot Behaviour Assessment
      Matteo Bertolino and Tullio J. Tanzi
      Adv. Radio Sci., 18, 23–32, https://doi.org/10.5194/ars-18-23-2020, 2020
      The paper presents our work to validate the architecture (software and hardware, including sensors) of ArcTurius Rover. ArcTurius is an autonomous system dedicated to the precise location of survivors after a disaster. To be sure that ArcTurius is adapted to a specific mission, we rely on a set of 3D simulations. In this paper, we focus on finding the best parametrization for a LiDAR sensor. We target to find the best trade-off between the quality of the acquired data and energy consumption.
      PubDate: Thu, 10 Dec 2020 18:15:37 +010
      DOI: 10.5194/ars-18-23-2020 2020

       
  • Near-Field Antenna Measurements with Manual Collection of the Measurement
           Samples

    • Abstract: Near-Field Antenna Measurements with Manual Collection of the Measurement Samples
      Fabian T. Faul, Hans-Jürgen Steiner, and Thomas F. Eibert
      Adv. Radio Sci., 18, 17–22, https://doi.org/10.5194/ars-18-17-2020, 2020
      Near-field measurements are commonly performed in anechoic chambers which limits the flexibility and requires high precision equipment to achieve exact results. We investigate a simple near-field measurement setup that does not use a sophisticated positioning system nor does it operate in a controlled environment. Instead, the probe antenna is moved by an operator person while its position is measured by a laser tracker. Measurement results are shown to illustrate the performance of the system.
      PubDate: Thu, 10 Dec 2020 18:15:37 +010
      DOI: 10.5194/ars-18-17-2020 2020

       
  • Transparent boundary condition for the calculation of eigenmodes in
           transversely infinite waveguides

    • Abstract: Transparent boundary condition for the calculation of eigenmodes in transversely infinite waveguides
      Mikhail Patrushev, Wolfgang Ackermann, and Thomas Weiland
      Adv. Radio Sci., 18, 7–16, https://doi.org/10.5194/ars-18-7-2020, 2020
      Waveguides play one of the key figures in today's electronics and optics for signal transmission. Corresponding simulations of electromagnetic wave transportation along these waveguides are accomplished by discretization methods such as the Finite Integration Technique (FIT) or the Finite Element Method (FEM). For longitudinally homogeneous and transversely unbounded waveguides these simulations can be approximated by closed boundaries. However, this distorts the original physical model and unnecessarily increases the size of the computational domain size. In this article we present a boundary condition for transversely open waveguides based on the Kirchhoff integral which has been implemented within the framework of FIT. The presented solution is compared with selected conventional methods in terms of computational effort and memory consumption.
      PubDate: Thu, 10 Dec 2020 18:15:37 +010
      DOI: 10.5194/ars-18-7-2020 2020

       
  • Design of a continuously tunable reflectarray element for 5G metrology in
           the k-band

    • Abstract: Design of a continuously tunable reflectarray element for 5G metrology in the k-band
      Thomas Harz, Thomas Kleine-Ostmann, and Thorsten Schrader
      Adv. Radio Sci., 18, 1–5, https://doi.org/10.5194/ars-18-1-2020, 2020
      We introduce a new tunable reflectarray element for an operation frequency of 26 GHz in the k-band. It is shown that a 340∘ continuous tunning range of the reflected wave can be accomplished by using an aperture-coupled patch antenna with only one single varactor diode. The simplified design and the small needed space make it usable for k-band reflectarrays with many elements. The functionality of the reflectarray element is explained and the crucial parts are analyzed. The approach to get a full phase shift is discussed in detail. A bias-T is developed to provide the control voltage to the varactor diode without interfering with the high frequency path. The high frequency path and the DC-path are decoupled by 39 dB using a bias-T. A commercial off-the-shelf varactor diode is selected and its functionality at 26 GHz is verified. Therefore, a test printed circuit board with through, reflect, line standards is developed to de-embed the varactor diode and to evaluate it with a vector network analyzer. The reflectarray is simulated in a unit cell with plane wave excitation and periodic boundary condition using the simulation software package CST Microwave Studio™.
      PubDate: Thu, 10 Dec 2020 18:15:37 +010
      DOI: 10.5194/ars-18-1-2020 2020

       
  • Verification and first test measurement of a microwave-based vital sign
           monitor

    • Abstract: Verification and first test measurement of a microwave-based vital sign monitor
      Daniel Schmiech, Aly Marnach, and Andreas R. Diewald
      Adv. Radio Sci., 17, 249–256, https://doi.org/10.5194/ars-17-249-2019, 2019
      One of the most important signs of a living body demonstrating its life-sustaining functions is the respiration rate. State of the art for measuring this vital sign is using a monitoring system cable connected to electrodes which are attached to the patients' skin. Especially in the case of newborn infants this method is not always suitable and causing several problems, like skin injuries, high stress levels and random loosening of the sensor. To avoid these a non-contact system is developed.
      PubDate: Mon, 14 Oct 2019 18:15:37 +020
      DOI: 10.5194/ars-17-249-2019 2019

       
  • Realization and opto-electronic Characterization of linear Self-Reset
           Pixel Cells for a high dynamic CMOS Image Sensor

    • Abstract: Realization and opto-electronic Characterization of linear Self-Reset Pixel Cells for a high dynamic CMOS Image Sensor
      Stefan Hirsch, Markus Strobel, Wolfram Klingler, Jan Dirk Schulze Spüntrup, Zili Yu, and Joachim N. Burghartz
      Adv. Radio Sci., 17, 239–247, https://doi.org/10.5194/ars-17-239-2019, 2019
      Applications in the fields of e.g. industrial image processing, image based robotic control systems and autonomous driving require high dynamic range image sensors. Conventional linear CMOS image sensors only have a limited dynamic range. To extend the dynamic range the concept of a linear self-reset pixel is implemented with several pixel variants being realized and characterized on a CMOS chip. A second topic is the design with digital readout of a cluster structure composed of a pixel matrix.
      PubDate: Fri, 20 Sep 2019 18:15:37 +020
      DOI: 10.5194/ars-17-239-2019 2019

       
  • D region observations by VHF and HF radars during a rocket campaign at
           Andøya dedicated to investigations of PMWE

    • Abstract: D region observations by VHF and HF radars during a rocket campaign at Andøya dedicated to investigations of PMWE
      Ralph Latteck, Toralf Renkwitz, and Boris Strelnikov
      Adv. Radio Sci., 17, 225–237, https://doi.org/10.5194/ars-17-225-2019, 2019
      In April 2018 the PMWE1 sounding rocket campaign was conducted at the Andøya Space Center involving coordinated measurements with rockets and ground instruments to measure parameters relevant for testing of the existing theories of PMWE formation. The Middle Atmosphere Alomar Radar System (MAARSY) was operated to detect PMWE with multiple beam directions. The Saura MF radar was operated with a multiple beam experiment to derive horizontal winds and electron density profiles.
      PubDate: Thu, 19 Sep 2019 18:15:37 +020
      DOI: 10.5194/ars-17-225-2019 2019

       
  • Tidal wind shear observed by meteor radar and comparison with sporadic E
           occurrence rates based on GPS radio occultation observations

    • Abstract: Tidal wind shear observed by meteor radar and comparison with sporadic E occurrence rates based on GPS radio occultation observations
      Christoph Jacobi and Christina Arras
      Adv. Radio Sci., 17, 213–224, https://doi.org/10.5194/ars-17-213-2019, 2019
      We analyze tidal phases and related wind shear in the mesosphere andlower thermosphere as observed by a meteor radar. The wind shear phases are compared with those of sporadic E occurrence rates, which were derived from GPS radio occultation observations. We find good correspondence between radar derived wind shear and sporadic E phases for the semidiurnal, terdiurnal, and quarterdiurnal tidal components, but not for the diurnal tide.
      PubDate: Thu, 19 Sep 2019 18:15:37 +020
      DOI: 10.5194/ars-17-213-2019 2019

       
  • Estimation of ionospheric reflection height using long wave propagation

    • Abstract: Estimation of ionospheric reflection height using long wave propagation
      Dieter Keuer
      Adv. Radio Sci., 17, 205–212, https://doi.org/10.5194/ars-17-205-2019, 2019
      Phase height measurements of low frequency radio waves are used to study the long-term variability of the mesosphere over Europe. But a refinement of this measurements suggest that it must be considered as one that only reflects integral properties of the hole region from the mesosphere over the stratosphere down to the troposphere. The sole coupling of these measurements to the mesosphere must be dropped.
      PubDate: Thu, 19 Sep 2019 18:15:37 +020
      DOI: 10.5194/ars-17-205-2019 2019

       
  • Dielectric corner reflectors for mmWave applications

    • Abstract: Dielectric corner reflectors for mmWave applications
      Christian Buchberger, Florian Pfeiffer, and Erwin Biebl
      Adv. Radio Sci., 17, 197–203, https://doi.org/10.5194/ars-17-197-2019, 2019
      This article investigates the properties of dielectric corner reflectors for use in a number of millimeter wave applications, such as road safety for autonomous driving. Material characterizations of different typical plastics using transmission measurements are presented, as well as an analysis of their respective radar cross section (RCS) when used as corner reflectors. They exhibit similar behavior as conventional metallic reflectors, while intrinsic dielectric losses reduce the overall RCS.
      PubDate: Thu, 19 Sep 2019 18:15:37 +020
      DOI: 10.5194/ars-17-197-2019 2019

       
  • Extending the vehicular network simulator Artery in order to generate
           synthetic data for collective perception

    • Abstract: Extending the vehicular network simulator Artery in order to generate synthetic data for collective perception
      Christoph Allig and Gerd Wanielik
      Adv. Radio Sci., 17, 189–196, https://doi.org/10.5194/ars-17-189-2019, 2019
      A fundamental for an automated driving car is the awareness of its surrounding road participants. Current approach to gather this awareness is to sense the environment by on-board sensors. In the future, Vehicle-to-X (V2X) might be able to improve the awareness. We propose to create synthetic data for investigating cooperative perception by a simulation tool. Therefore, Artery and its counterpart SUMO is extended by modelling realistic vehicle dynamics and probabilistic sensor models.
      PubDate: Thu, 19 Sep 2019 18:15:37 +020
      DOI: 10.5194/ars-17-189-2019 2019

       
  • Singularity Expansion Method for thin wires and the Method of Modal
           Parameters

    • Abstract: Singularity Expansion Method for thin wires and the Method of Modal Parameters
      Sergey V. Tkachenko, Juergen B. Nitsch, Felix Middelstaedt, Ronald Rambousky, Martin Schaarschmidt, and Ralf Vick
      Adv. Radio Sci., 17, 177–187, https://doi.org/10.5194/ars-17-177-2019, 2019
      Using the method of modal parameters, developed earlier, equations for the Singularity Expansion Method (SEM) poles were obtained. Numerical investigation of solutions for the poles of the fist layer have shown good agreement with analytical and numerical results obtained earlier.
      PubDate: Thu, 19 Sep 2019 18:15:37 +020
      DOI: 10.5194/ars-17-177-2019 2019

       
  • Analysis of an Iterative Approach to Determine the Current on the Straight
           Infinite Wire Above Ground

    • Abstract: Analysis of an Iterative Approach to Determine the Current on the Straight Infinite Wire Above Ground
      Felix Middelstaedt, Sergey V. Tkachenko, and Ralf Vick
      Adv. Radio Sci., 17, 169–176, https://doi.org/10.5194/ars-17-169-2019, 2019
      An iterative approach which was recently applied to approximate the reflection and scattering coefficients of transmission line ports is analyzed. The iterative solution for the current on an infinite wire above ground is compared to the exact solution. The example is chosen since it is one of the few problems where an exact solution exists. The wire is excited by a lumped voltage source or a plane wave. The convergence of the iterative approach is shown. It can be concluded that the zeroth iteration, which is the classical transmission line solution, coincides with the general transverse electromagnetic mode. Furthermore, it is shown that the first iteration is a very good approximation of the radiation and leaky modes, that occur in the close neighborhood around the lumped source.
      PubDate: Thu, 19 Sep 2019 18:15:37 +020
      DOI: 10.5194/ars-17-169-2019 2019

       
 
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