Search Results - "Jesús Grajal"

A 94 GHz Monopulse Duplexing Horn Antenna for a 3-D Tracking Radar by Ferreras, Marta, Barba, Mariano, Grajal, Jesus

“…This article presents the first demonstration of a full-waveguide feed at W-band, enabling transmit-receive duplexing and 2-D tracking of targets. The proposed…”
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Two-dimensional MoS2-enabled flexible rectenna for Wi-Fi-band wireless energy harvesting by Zhang, Xu, Grajal, Jesús, Vazquez-Roy, Jose Luis, Radhakrishna, Ujwal, Wang, Xiaoxue, Chern, Winston, Zhou, Lin, Lin, Yuxuan, Shen, Pin-Chun, Ji, Xiang, Ling, Xi, Zubair, Ahmad, Zhang, Yuhao, Wang, Han, Dubey, Madan, Kong, Jing, Dresselhaus, Mildred, Palacios, Tomás

“…The mechanical and electronic properties of two-dimensional materials make them promising for use in flexible electronics 1 – 3 . Their atomic thickness and…”
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Comprehensive Comparison of Continuous-Wave and Linear-Frequency-Modulated Continuous-Wave Radars for Short-Range Vital Sign Monitoring by Antolinos, Elias, Grajal, Jesus

“…The use of radar technology for contactless monitoring of cardiorespiratory activity has been a significant research topic for the last two decades. However,…”
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Adaptive Auxiliary Particle Filter for Track-Before-Detect With Multiple Targets by Ubeda-Medina, Luis, Garcia-Fernandez, Angel F., Grajal, Jesus

“…A novel particle filter for multiple target tracking with track-before-detect measurement models is proposed. Particle filters efficiently perform target…”
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Cardiopulmonary Activity Monitoring Using Millimeter Wave Radars by Antolinos, Elías, García-Rial, Federico, Hernández, Clara, Montesano, Daniel, Godino-Llorente, Juan I., Grajal, Jesús

“…Current cardiopulmonary activity monitoring is based on contact devices which cannot be used in extreme cases such as premature infants, burnt victims or…”
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Design and Implementation of a Real-Time Low-Latency Automatic Modulation Classifier by Lopez-Asuncion, Samuel, Gonzalez-Lopez, Jorge, Garcia-de-la-Cueva, Carlos, Lopez-Vallejo, Marisa, Grajal, Jesus

“…Automatic signal modulation classifiers are important instruments in electronic warfare, cognitive radio, or spectrum management. In this context, a…”
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Self-Consistent Electro-Thermal Approach for Terahertz Frequency Multiplier Design by Pérez-Moreno, Carlos G., Grajal, Jesús

“…Solid-state sources consisting of cascaded Schottky diode-based frequency multipliers are commonly used to generate power at millimeter and submillimeter wave…”
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Sigma-point multiple particle filtering by Úbeda-Medina, Luis, García-Fernández, Ángel F., Grajal, Jesús

“…•This paper contributes with two new algorithms within the multiple particle filtering framework that provide an accurate and efficient tool to tackle the…”
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DDS-Based Signal-Generation Architecture Comparison for an Imaging Radar at 300 GHz by Rubio-Cidre, Gorka, Badolato, Alejandro, Ubeda-Medina, Luis, Grajal, Jesus, Mencia-Oliva, Beatriz, Dorta-Naranjo, Blas-Pablo

“…Submillimeter-wave imaging radars for standoff detection require broadband and fast-switch signal-generation architectures in order to achieve a…”
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Real-time low-complexity automatic modulation classifier for pulsed radar signals by Iglesias, Victor, Grajal, Jesus, Royer, Pablo, Sanchez, Miguel A., Lopez-Vallejo, Marisa, Yeste-ojeda, Omar A.

“…An automatic modulation classifier (AMC) based on low-complexity signal features and a hierarchical decision tree is presented for pulsed radar applications…”
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Designing Advanced Multistatic Imaging Systems with Optimal 2D Sparse Arrays by Perez-Eijo, Lorena, Arias, Marcos, Gonzalez-Valdes, Borja, Rodriguez-Vaqueiro, Yolanda, Rubiños, Oscar, Pino, Antonio, Sardinero-Meirás, Ignacio, Grajal, Jesús

“…This study introduces an innovative optimization method to identify the optimal configuration of a sparse symmetric 2D array for applications in security,…”
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Physics-Based Design and Optimization of Schottky Diode Frequency Multipliers for Terahertz Applications by Siles, J V, Grajal, J

“…Planar Schottky diode frequency multipliers are by far the most employed devices for local oscillator (LO) power generation at terahertz frequencies. In order…”
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Electrical and Noise Modeling of GaAs Schottky Diode Mixers in the THz Band by Pardo, Diego, Grajal, Jesus, Perez, Susana

“…This paper presents a simulation tool for the analysis and design of Schottky mixers which is able to evaluate self-consistently both the conversion losses and…”
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Bayesian Sequential Track Formation by Garcia-Fernandez, Angel F., Morelande, Mark R., Grajal, Jesus

“…This paper presents a theoretical framework for track building in multiple-target scenarios from the Bayesian point of view. It is assumed that the number of…”
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Asynchronous particle filter for tracking using non-synchronous sensor networks by García-Fernández, Ángel F., Grajal, Jesús

“…This paper deals with the problem of tracking using a sensor network when the sensors are not synchronised. We propose a new algorithm called the asynchronous…”
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Optimum Circuits for Bit Reversal by Garrido, M., Grajal, J., Gustafsson, O.

“…This brief presents novel circuits for calculating bit reversal on a series of data. The circuits are simple and consist of buffers and multiplexers connected…”
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Adaptive unscented Gaussian likelihood approximation filter by García-Fernández, Ángel F., Morelande, Mark R., Grajal, Jesús, Svensson, Lennart

“…This paper focuses on the update step of Bayesian nonlinear filtering. We first derive the unscented Gaussian likelihood approximation filter (UGLAF), which…”
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Truncated Unscented Kalman Filtering by Garcia-Fernandez, A. F., Morelande, M. R., Grajal, J.

“…We devise a filtering algorithm to approximate the first two moments of the posterior probability density function (PDF). The novelties of the algorithm are in…”
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Bifocal Reflector Antenna for a Standoff Radar Imaging System With Enhanced Field of View by Garcia-Pino, Antonio, Gonzalez-Valdes, Borja, Rubinos, Oscar, Grajal, Jesus, Badolato, Alejandro, Mencia-Oliva, Beatriz, Garcia Soidan, Pilar, Besada-Sanmartin, Jose Luis

“…A unique multireflector bifocal antenna design for real-time standoff imaging applications is presented in this work. The antenna is used in combination with a…”
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Low-Cost CW-LFM Radar Sensor at 100 GHz by Mencia-Oliva, B., Grajal, J., Yeste-Ojeda, O. A., Rubio-Cidre, G., Badolato, A.

“…This paper presents a W -band high-resolution radar sensor for short-range applications. Low-cost technologies have been properly selected in order to…”
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