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Track detection in railway sidings based on MEMS gyroscope sensors
(Multidisciplinary Digital Publishing Institute (MDPI), 2012-11-23)
Article
Open AccessThe paper presents a two-step technique for real-time track detection in single-track railway sidings using low-cost MEMS gyroscopes. The objective is to reliably know the path the train has taken in a switch, diverted or ... -
Nonlinear effects of SiO2 layers in bulk acoustic wave resonators
(IEEE Microwave Theory and Techniques Society, 2017-12-29)
Article
Open AccessThis paper presents the development of a comprehensive distributed circuit model to account for the existing nonlinear effects in bulk acoustic wave (BAW) resonators. The comprehensiveness of the model and its distributed ... -
Teaching telecommunication standards: bridging the gap between theory and practice
(2017-05)
Article
Open AccessTelecommunication standards have become a reliable mechanism to strengthen collaboration between industry and research institutions to accelerate the evolution of communications systems. Standards are needed to enable ... -
Waveguide filter modeling and simulation using mode-matching, fullwave network analysis and swarm optimization
(2017-02-01)
Article
Restricted access - publisher's policyThe paper presents the synthesis of forth-order waveguide bandpass filter, employing a symmetric configuration and leading to symmetric response with four poles and two transmission zeroes. For this synthesis we aimed to ... -
A multistate single-connection calibration for microwave microfluidics
(IEEE Microwave Theory and Techniques Society, 2017-10-12)
Article
Open AccessWith emerging medical, chemical, and biological applications of microwave-microfluidic devices, many researchers desire a fast and accurate calibration that can be achieved in a single connection. However, traditional ... -
Three-element filtering antenna array designed by the equivalent circuit approach
(2016-09-01)
Article
Open AccessThis paper introduces a design methodology of a third-order three-element patch array that has no filtering parts and yet behaves like a filtering antenna (filtenna). The design approach includes shaping the frequency ... -
Analysis of the optimum gain of a high-pass l-matching network for rectennas
(MDPI AG, 2017-07-25)
Article
Open AccessRectennas, which mainly consist of an antenna, matching network, and rectifier, are used to harvest radiofrequency energy in order to power tiny sensor nodes, e.g., the nodes of the Internet of Things. This paper demonstrates ... -
Tunable substrate integrated waveguide resonators
(2012-09-01)
Article
Open AccessThis paper presents a novel approach for providing SIW tunable resonators by means of placing an additional metalized via-hole on the waveguide cavity. The via-hole contains an open-loop slot on the top metallic wall. The ... -
Comprehensive circuit model of autolimiting superconductor devices
(2017-06-01)
Article
Open AccessThis paper presents a phenomenological equivalent circuit to model the phenomenon occurring when a section of superconducting transmission line transits from a superconducting state to a normal state. This phenomenon allows ... -
Three-port frequency-selective absorptive limiter
(2017-04-24)
Article
Open AccessThis letter describes a novel three-port absorptive limiter for frequency-selective circuits based on a configuration similar to a conventional 90° hybrid coupler. This circuit uses the switching behavior of common diodes ... -
On the trade-off between electrical power consumption and flight performance in fixed-wing UAV autopilots
(2016-11-01)
Article
Open AccessThis paper sets out a study of the autopilot design for fixed wing Unmanned Aerial Vehicles (UAVs) taking into account the aircraft stability, as well as the power consumption as a function of the selected control strategy. ... -
Adaptive envelope shaping for low and medium power amplifiers with dynamic supply
(2016-07-01)
Article
Open AccessThis letter presents an adaptive envelope shaping (AES) method to linearize low and medium power amplifiers (PAs) with dynamic supply. This straightforward linearization solution results very useful for small cell or handset ...
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