Search Results - "Advances in radio science"

IRI the International Standard for the Ionosphere by Bilitza, Dieter

“…This paper gives a brief overview over the International Reference Ionosphere (IRI) project and model. IRI is recognized as the official standard for the…”
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Influences of weather phenomena on automotive laser radar systems by Rasshofer, R. H, Spies, M, Spies, H

“…Laser radar (lidar) sensors provide outstanding angular resolution along with highly accurate range measurements and thus they were proposed as a part of a…”
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Uncertainties of S-Parameter Measurements in Rectangular Waveguides at PTB by Schramm, Andreas Tobias, Gellersen, Frauke Kathinka Helene, Kuhlmann, Karsten

“…In this work the determination of measurement uncertainties in scattering parameter measurements for waveguide interfaces ranging from R 100 (WR 90) to R 2.6k…”
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Influence of LO cable movements on VNA measurements using Frequency Extensions by Gellersen, Frauke Kathinka Helene, Ulm, David, Rausche, Florian, Schramm, Andreas Tobias, Kuhlmann, Karsten

“…In this study, the impact of local oscillator cable movements or drift during VNA measurements using frequency extenders is investigated. A non-reciprocal…”
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Investigating Electromagnetic Interference Induced Risks for Autonomous Driving by Brandt, Tim, Fisahn, Sven, Schaarschmidt, Martin, Aizpurua, Unai, Kampert, Erik, Dickmann, Stefan

“…The results of immunity tests on components of self-driving automobiles to radiated high power electromagnetic (HPEM) pulses are presented in this work. It is…”
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The Long Road to Entertainment Radio Broadcasting in Germany by Mathis, Wolfgang

“…In 2023, the 100th birthday of “Unterhaltungs-Rundfunk” (Entertainment Radio Broadcasting) in Germany was celebrated with numerous special exhibitions and…”
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A Numerical Alternative for 3D Addition Theorems Based on the Bilinear Form of the Dyadic Green's Function and the Equivalence Principle by Giannetti, Giacomo, Klinkenbusch, Ludger

“…A numerical method based on the equivalence principle and the dyadic Green's function is presented. It can be used to compute the spherical-multipole…”
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Comparison of Inductive and Capacitive End Couplings in the Design of a Combline Microwave Cavity Filter for the E1 Galileo Band by Boni, Enrico, Giannetti, Giacomo, Maddio, Stefano, Pelosi, Giuseppe

“…Inductive and capacitive end couplings in the design of combline microwave filters are compared. For instance, a combline microwave cavity filter for the E1…”
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Iterative Placement of Decoupling Capacitors using Optimization Algorithms and Machine Learning by Nezhi, Zouhair, Ghafarian Shoaee, Nima, Stiemer, Marcus

“…In this work, an approach for optimum placement of on-board decoupling capacitors (decaps) is presented, which aims at reducing transient noise in power…”
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Generating AI modules for decoupling capacitor placement using simulation by Ghafarian Shoaee, Nima, Nezhi, Zouhair, John, Werner, Brüning, Ralf, Götze, Jürgen

“…The effects of parameters affecting the input impedance of a power delivery network (PDN) are investigated. It is considered that the size of the power plane…”
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AI Models for Supporting SI Analysis on PCB Net Structures: Comparing Linear and Non-Linear Data Sources by Withöft, Julian, John, Werner, Ecik, Emre, Brüning, Ralf, Götze, Jürgen

“…Signal integrity (SI) is an essential part in assuring the functionality of microelectronic components on a printed circuit board (PCB). Depending on the…”
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Towards Steering Magnetic Nanoparticles in Drug Targeting Using a Linear Halbach Array by Thalmayer, Angelika S, Zeising, Samuel, Lübke, Maximilian, Fischer, Georg

“…Magnetic nanoparticles offer numerous promising biomedical applications, e.g. magnetic drug targeting. Here, magnetic drug carriers inside the human body are…”
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Anomaly Detection with Decision Trees for AI Assisted Evaluation of Signal Integrity on PCB Transmission Lines by Ecik, Emre, John, Werner, Withöft, Julian, Götze, Jürgen

“…Printed circuit board (PCB) design can be supported to a high degree by adding AI modules to the design system. Predictions from these modules can be made…”
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Approximation of High Intensity Radiated Field by Direct Current Injection using matrix methods based on Characteristic Mode Analysis by Ückerseifer, Jan, Gronwald, Frank

“…This contribution discusses the approximation of radiated by conducted immunity tests by the example of High Intensity Radiated Field (HIRF) and Direct Current…”
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Egbert von Lepel and the Invention of the Spark-Gap Transmitter by Mathis, Wolfgang

“…On 29 October 1923, radio broadcasting or “Rundfunk” was officially opened in the Voxhaus in Berlin and thus the new communication medium was now also…”
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Hybrid integrators with predictive overload estimation for analog computers and continuous-time ΔΣ modulators by Killat, Dirk, Ulmann, Bernd, Köppel, Sven

“…Continuous-time integrators are a central component in ΔΣ modulators, in analog computers, and general analog signal processing. If several integrators are…”
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Mathematical optimization and machine learning to support PCB topology identification by Cahani, Ilda, Stiemer, Marcus

“…In this paper, we study an identification problem for schematics with different concurring topologies. A framework is proposed, that is both supported by…”
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MmWave scattering properties of roads on rough asphalt and concrete surfaces by Kurz, Vera, Fuenfer, Manuel, Pfeiffer, Florian, Biebl, Erwin

“…In this work, a synthetic aperture radar setup is used for analyzing the mmWave scattering of road surfaces in the automotive 77 GHz band in the laboratory…”
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Generalized Efficiency and the Uncertainty of Millimeter Wave Power Standard by Perangin-Angin, Windi Kurnia, Kuhlmann, Karsten, Rühaak, Jürgen

“…In the last decade, waveguide thermoelectric power sensors have been established as an alternative to thermistor mounts for millimeter wave power standards,…”
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Y-shaped tunable monolithic dual colour lasers for THz technology by Brenner, Carsten, Surkamp, Nils, Hofmann, Martin Rudolf

“…THz generation by difference frequency generation can be accomplished by many different laser systems. The most cost efficient and compact solution will be…”
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