Search Results - "Lopez, Yuri Alvarez"

Array-based Ground Penetrating Synthetic Aperture Radar on board an Unmanned Aerial Vehicle for enhanced buried threats detection by Garcia-Fernandez, Maria, Alvarez-Narciandi, Guillermo, Lopez, Yuri Alvarez, Las-Heras, Fernando

“…The usage of Unmanned Aerial Vehicles (UAV)-based Ground Penetrating Radar (GPR) systems has gained interest over the last years thanks to advantages over…”
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On the Use of an Equivalent Currents-Based Technique to Improve Electromagnetic Imaging by Lopez, Yuri Alvarez, Las-Heras, Fernando

“…Accurate imaging from scattered field measurements is one of the main research topics in the field of nondestructive testing. Different methodologies for…”
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A Portable Cost-Effective Amplitude and Phase Antenna Measurement System by Lopez, Yuri Alvarez, Garcia-Fernandez, Maria, Las-Heras, Fernando

“…This article presents a simple, cost-effective system for complex measurements of the field radiated by an antenna. In particular, the proposed architecture is…”
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A Backpropagation Imaging Technique for Subsampled Synthetic Apertures by Lopez, Yuri Alvarez, Laviada, Jaime, Arboleya, Ana, Andres, Fernando Las-Heras

“…Synthetic Aperture Radar (SAR)-based microwave imaging systems have been widely used in a great variety of application areas, ranging from Earth monitoring to…”
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Synthetic Aperture Radar Imaging System for Landmine Detection Using a Ground Penetrating Radar on Board a Unmanned Aerial Vehicle by Garcia Fernandez, Maria, Alvarez Lopez, Yuri, Arboleya Arboleya, Ana, Gonzalez Valdes, Borja, Rodriguez Vaqueiro, Yolanda, Las-Heras Andres, Fernando, Pino Garcia, Antonio

“…This paper presents a novel system to obtain images from the underground based on ground penetrating radar (GPR). The proposed system is composed by a radar…”
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Improved Methods for Fourier-Based Microwave Imaging by Alvarez López, Yuri, Las-Heras Andrés, Fernando

“…Fourier-based imaging has been widely adopted for microwave imaging thanks to its efficiency in terms of computational complexity without compromising image…”
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RFID Technology for Management and Tracking: e-Health Applications by Álvarez López, Yuri, Franssen, Jacqueline, Álvarez Narciandi, Guillermo, Pagnozzi, Janet, González-Pinto Arrillaga, Ignacio, Las-Heras Andrés, Fernando

“…Radio frequency identification (RFID) has become a key technology in the logistics and management industry, thanks to distinctive features such as the low cost…”
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A received signal strength RFID-based indoor location system by Álvarez López, Yuri, de Cos Gómez, María Elena, Las-Heras Andrés, Fernando

“…[Display omitted] •Development and testing of a simple, low-cost ILS system based on a simple Direction Finder (DF) that uses relative RSS levels for AoA…”
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Airborne Multi-Channel Ground Penetrating Radar for Improvised Explosive Devices and Landmine Detection by Garcia-Fernandez, Maria, Lopez, Yuri Alvarez, Andres, Fernando Las-Heras

“…An improved Ground Penetrating Radar (GPR) system on board an Unmanned Aerial Vehicle (UAV) is presented in this contribution. The system has been designed for…”
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Dual-Probe Near-Field Phaseless Antenna Measurement System on Board a UAV by García Fernández, María, Álvarez López, Yuri, Las-Heras, Fernando

“…On-site antenna measurement has been recently attracting an increasing interest in order to assess the antenna performance in real operational environments…”
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Comparison of Scanning Strategies in UAV-Mounted Multichannel GPR-SAR Systems Using Antenna Arrays by García-Fernández, María, Álvarez-Narciandi, Guillermo, Heras, Fernando Las, Álvarez-López, Yuri

“…Ground penetrating radar (GPR) systems on board unmanned aerial vehicles (UAVs) have been successfully used for subsurface imaging applications. Their…”
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Portable and Easily-Deployable Air-Launched GPR Scanner by García-Fernández, María, Álvarez López, Yuri, De Mitri, Alessandro, Castrillo Martínez, David, Álvarez-Narciandi, Guillermo, Las-Heras Andrés, Fernando

“…In recent years, Unmanned Aerial Vehicles (UAV)-based Ground Penetrating Radar (GPR) systems have been developed due to their advantages for safe and fast…”
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Unmanned Aerial Vehicle-Based Ground-Penetrating Radar Systems: A review by Lopez, Yuri Alvarez, Garcia-Fernandez, Maria, Alvarez-Narciandi, Guillermo, Andres, Fernando Las-Heras

“…Advances in unmanned aerial vehicle (UAV) technology have fostered its use in a wide range of areas, such as agriculture and forestry, surveillance and…”
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Antenna Diagnostics and Characterization Using Unmanned Aerial Vehicles by Garcia-Fernandez, Maria, Alvarez Lopez, Yuri, Arboleya, Ana, Gonzalez-Valdes, Borja, Rodriguez-Vaqueiro, Yolanda, De Cos Gomez, Maria Elena, Las-Heras Andres, Fernando

“…This paper presents a compact, low-cost unmanned aerial system for antenna measurement. The proposed system overcomes existing limitations in terms of unmanned…”
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Compressed Sensing Techniques Applied to Ultrasonic Imaging of Cargo Containers by López, Yuri Álvarez, Lorenzo, José Ángel Martínez

“…One of the key issues in the fight against the smuggling of goods has been the development of scanners for cargo inspection. X-ray-based radiographic system…”
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Analysis and Validation of a Hybrid Forward-Looking Down-Looking Ground Penetrating Radar Architecture by García-Fernández, María, Álvarez-Narciandi, Guillermo, Álvarez López, Yuri, Las-Heras Andrés, Fernando

“…Ground Penetrating Radar (GPR) has proved to be a successful technique for the detection of landmines and Improvised Explosive Devices (IEDs) buried in the…”
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Comment on the Article "A Lightweight and Low-Power UAV-Borne Ground Penetrating Radar Design for Landmine Detection" by Álvarez López, Yuri, García Fernández, María, Las-Heras Andrés, Fernando

“…This reply aims to correct some incomplete/incorrect information provided in the article "A Lightweight and Low-Power UAV-Borne Ground Penetrating Radar Design…”
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SAR-based technique for soil permittivity estimation by Álvarez López, Yuri, García Fernández, María, Arboleya Arboleya, Ana, González-Valdés, Borja, Rodríguez Vaqueiro, Yolanda, Las-Heras Andrés, Fernando, Pino García, Antonio

“…A conventional synthetic aperture radar (SAR)-based technique for soil permittivity estimation is presented in this contribution. Ground penetrating radar…”
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Development of an Airborne-Based GPR System for Landmine and IED Detection: Antenna Analysis and Intercomparison by Garcia Fernandez, Maria, Alvarez Narciandi, Guillermo, Arboleya, Ana, Vazquez Antuna, Carlos, Andres, Fernando Las-Heras, Alvarez Lopez, Yuri

“…Airborne-based Ground Penetrating Radar (GPR) systems have proved to be an efficient solution for safe and accurate detection of buried threats such as…”
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On the Use of Compressed Sensing Techniques for Improving Multistatic Millimeter-Wave Portal-Based Personnel Screening by Rodriguez-Vaqueiro, Yolanda, Alvarez Lopez, Yuri, Gonzalez-Valdes, Borja, Martinez, Jose Angel, Las-Heras, Fernando, Rappaport, Carey M.

“…This work develops compressed sensing techniques to improve the performance of an active three dimensional (3D) millimeter wave imaging system for personnel…”
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