Juan Luis Cano

Microwave Antenna Sensing for Glucose Monitoring in a Vein Model Mimicking Human Physiology

Youness Zaarour, Fatimazahrae El Arroud, T. Fernández, Juan Luis Cano et autres

Non-invasive glucose monitoring has become a critical area of research for diabetes management, offering a less intrusive and more patient-friendly alternative to traditional methods such as finger-prick tests. This study presents a novel approach using a semi-solid tissue-mimicking phantom designed to replicate …

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CAD of Antenna Feed Systems With Tracking Capabilities by Controlling High Order Modes

Juan Luis Cano, Gabriele Ceccato, Luca Perregrini

This work presents a workflow to simplify the design process, simulation effort and verification scheme, to generate a signal with desired power, polarization and controlled higher-order modes required for aeronautical tracking systems. This workflow is especially suitable for the simulation and analysis …

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Engine Oil Quality Monitoring Using an Additively Manufactured X-Band Microwave Waveguide Sensor

Youness Zaarour, Juan Luis Cano, T. Fernández, Fatimazahrae El Arroud et autres

Maintaining engine oil quality is critical for industrial machinery and transformers to ensure efficient operation and reduce the risk of failure. This paper presents a novel application of an X-band microwave sensor, using a third-order electroformed iris waveguide filter, for real-time, non-invasive …

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In-Lab Calibration of Single TE21 Monopulse Tracking Systems

Gabriele Ceccato, Juan Luis Cano, A. Mediavilla, Luca Perregrini

Autotrack systems for space applications are typically based on monopulse. These systems require a specific test before being operative, typically through calibration towers, leading to expensive operating costs and antenna downtime. This work aims to present a technique to test in-lab these …

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An Ultra-Compact Full-Band Waveguide Quadrature Hybrid Coupler

Juan Luis Cano, Gabriele Ceccato, T. Fernández, A. Mediavilla et autres

This work proposes an easily scalable quadrature hybrid coupler (QHC) topology with two symmetric stepped apertures that originate a square coaxial-like mid-section. This new configuration enables an ultra-compact design, three times shorter than equivalent structures, having 40% of fractional bandwidth with 25 …

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Controlled Excitation of Waveguide High-Order Modes for a Simple and Accurate Monopulse Tracking System Test Bench

Gabriele Ceccato, Juan Luis Cano, A. Mediavilla, Luca Perregrini

Monopulse tracking systems require a calibration procedure, which is typically performed using a calibration tower or a known satellite, leading to high costs, antenna downtime, and potential inaccuracies. This work proposes a simple circular waveguide component, based on a step junction, able …

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A Simple and Accurate Method for Circularly Polarised Monopulse TM01 Tracking System Testing

Gabriele Ceccato, Juan Luis Cano, A. Mediavilla, Luca Perregrini

The use of the calibration tower to test a monopulse tracking system is expensive and requires the antenna downtime. Alternative ways to test in-lab the tracking system are highly-desirable. This work proposes a simple yet effective structure achieving this objective through the …

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On the Accurate Full Characterization of Septum Polarizers Through Simple Amplitude Measurements in Back-to-Back Configuration

Juan Luis Cano, A. Mediavilla

This article introduces an easy and accurate technique for the full characterization of septum polarizers (SPs) in back-to-back configuration through standard amplitude/power measurements at the rectangular waveguide ports. The proposed calibration algorithm, based on the use of two simple waveguide sections, along …

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Controlled High Order Mode Generation for Tracking Coupler Bench Test

Gabriele Ceccato, Juan Luis Cano, A. Mediavilla, Luca Perregrini

The calibration of a monopulse tracking system is typically performed using a calibration tower or a known satellite. This work proposes a simple yet effective technique to excite in a controlled way all the modes generated by the antenna and used to …

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On the Use of a New Class of Simplified Multi-Window Iris Notch in the Design of Ultra-Compact High-Rejection Waveguide Filters for Satellite Links

Juan Luis Cano, A. Mediavilla, A. Tazón

This work introduces a simplified multi-aperture iris notch suitable for designing waveguide filters having an extremely improved compactness/rejection ratio, regarding available solutions, and adequate pass-band performances. The proposed iris architecture, analyzed for the first time, exhibits a unique transmission zero in the …

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Corporate social responsibility practices and performance: the moderating effect of family control

Gomez Alzate, Juan Luis Cano

Propagation of LF AND VLF lightning electromagnetic waves: the ground effects. Applications to Lightning Locating Systems in Mountainous Regions.

Pulgarín Rivera, Juan Luis Cano

El problema de propagacion de ondas de radio sobre el suelo ha sido tema de interes por mas de un siglo. Dado que el problema es de naturaleza electromagnetica, su descripcion esta dada completamente por las ecuaciones de Maxwell. Sin embargo, dadas …