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Antoranz Canales, Pedro ; Vegas Azcárate, Ignacio ; Miranda Pantoja, José Miguel | Elsevier Science BV | 2010-08-11We present in this paper the design, fabrication and verification of a us-range pulse generator based on a Step Recovery Diode (SRD). This device needs only a 5 V DC power supply, delivers 1 ns pulses with peak amplitudes in excess of 4 V and fe[...]texto impreso
Miranda Pantoja, José Miguel ; Sebastián Franco, José Luis | IEEE-Inst Electrical Electronics Engineers Inc | 1995-08This paper presents a detailed analysis of the accuracy of nonoscillating one-port device noise measurements. A new expression is given for the calculation of the noise temperature from parameters that can be measured directly by using either a [...]texto impreso
Barrio Uña, Juan Abel ; Contreras González, José Luis ; Fonseca González, Mª Victoria ; Hoang, Kim Dinh ; López Moya, Marcos ; Miener, Tjark ; Miranda Pantoja, José Miguel ; Morcuende, D. ; Peñil del Campo, Pablo ; Saha, Lab ; otros, ... | Wiley | 2020-08Extreme high-frequency BL Lacs (EHBL) feature their synchrotron peak of the broad-band spectral energy distribution (SED) at nu(s) > = 10(17) Hz. The BL Lac object 1ES 2344+514 was included in the EHBL family because of its impressive shift of t[...]texto impreso
Sebastián Franco, José Luis ; Muñoz San Martín, Sagrario ; Sancho Ruíz, Miguel ; Miranda Pantoja, José Miguel | IOP publishing ltd | 2006-12-07We calculate the induced electric stress forces on transient hydrophobic pores in the membrane of an erythrocyte exposed to an electric field. For this purpose, we use a finite element numerical technique and a realistic shape for the biconcave [...]texto impreso
Sebastián Franco, José Luis ; Muñoz San Martín, Sagrario ; Sancho Ruíz, Miguel ; Miranda Pantoja, José Miguel | IOP publishing ltd | 2001-01This paper shows the importance of using a cell model with the proper geometry, orientation and internal structure to study possible cellular effects from direct radiofrequency exposure. For this purpose, the electric field intensity is calculat[...]texto impreso
Ronda Peñacoba, Silvia ; Oliver García, Clara ; Martínez Vilchez, Oibar ; Márquez Paniagua, Patricia ; Miranda Pantoja, José Miguel | Electromagnetics Acad | 2020Different optimization strategies to reduce the earth resistance in a high resistivity soil are discussed in this work and illustrated with a practical example. Finite Element simulations reproducing real-world conditions in terms of structure d[...]texto impreso
Antoranz Canales, Pedro ; Barrio Uña, Juan Abel ; Contreras González, José Luis ; Fonseca González, Mª Victoria ; López Moya, Marcos ; Miranda Pantoja, José Miguel ; Satalecka, Konstanzja ; Scapin, Valeria | Amer Assoc Advancement Science | 2014-11-28Supermassive black holes with masses of millions to billions of solar masses are commonly found in the centers of galaxies. Astronomers seek to image jet formation using radio interferometry, but still suffer from insufficient angular resolution[...]texto impreso
Miranda Pantoja, José Miguel ; Muñoz San Martín, Sagrario ; Sebastián Franco, José Luis | IEEE | 2001This paper presents a procedure for an accurate characterization of parasitic effects of terminal pads in microwave devices. This procedure is based on the measurement of S and Noise parameters of the device with two different sets of calibratio[...]texto impreso
Sancho Ruíz, Miguel ; Sebastián Franco, José Luis ; Muñoz San Martín, Sagrario ; Miranda Pantoja, José Miguel | IEE- Inst. Elec. Eng. | 2001-05A variational method is presented which uses the Monte Carlo technique to simulate the evolution of a distribution of discrete charges within a conductor towards an equilibrium configuration that is characterised by a minimum of electrostatic en[...]texto impreso
Antoranz Canales, Pedro ; Barrio Uña, Juan Abel ; Contreras González, José Luis ; Fonseca González, Mª Victoria ; López Moya, Marcos ; Miranda Pantoja, José Miguel ; Nieto, Daniel ; Satalecka, Konstanzja ; Scapin, Valeria | EDP Sciencies | 2012-05Galaxy clusters are being assembled today in the most energetic phase of hierarchical structure formation which manifests itself in powerful shocks that contribute to a substantial energy density of cosmic rays (CRs). Hence, clusters are expecte[...]texto impreso
Barrio Uña, Juan Abel ; Contreras González, José Luis ; Domínguez Díaz, Alberto ; Carreto Fidalgo, David Friedrich ; Fonseca González, Mª Victoria ; Hoang, Kim Dinh ; López Moya, Marcos ; Miranda Pantoja, José Miguel ; Nievas Rosillo, Mireia ; Peñil del Campo, Pablo ; Saha, Lab ; otros, ... | Elsevier B.V. | 2018-12Clusters of galaxies are the largest known gravitationally bound structures in the Universe, with masses around 10(15)M circle dot, most of it in the form of dark matter. The ground-based Imaging Atmospheric Cherenkov Telescope MAGIC made a deep[...]texto impreso
Antoranz Canales, Pedro ; Barrio Uña, Juan Abel ; Contreras González, José Luis ; Fonseca González, Mª Victoria ; López Moya, Marcos ; Miranda Pantoja, José Miguel ; Nieto, Daniel | IOP Publishing | 2007-11-10We report on very high energy gamma-ray observations with the MAGIC Telescope of the pulsar PSR B1951+32 and its associated nebula, CTB 80. Our data constrain the cutoff energy of the pulsar to be less than 32 GeV, assuming the pulsed gamma-ray [...]texto impreso
Antoranz Canales, Pedro ; Barrio Uña, Juan Abel ; Contreras González, José Luis ; Fonseca González, Mª Victoria ; López Moya, Marcos ; Miranda Pantoja, José Miguel ; Satalecka, Konstanzja ; Scapin, Valeria | EDP Sciencies | 2014-04Aims. The radio galaxy NGC 1275, recently identified as a very high energy (VHE, > 100 GeV) gamma-ray emitter by MAGIC, is one of the few non-blazar active galactic nuclei detected in the VHE regime. The purpose of this work is to better underst[...]texto impreso
Antoranz Canales, Pedro ; Barrio Uña, Juan Abel ; Contreras González, José Luis ; Fonseca González, Mª Victoria ; Miranda Pantoja, José Miguel ; Nieto, Daniel | IOP Publishing | 2009-11-20The discovery of very high energy (VHE) gamma-ray emitting X-ray binaries has triggered an intense effort to better understand the particle acceleration, absorption, and emission mechanisms in compact binary systems, which provide variable condi[...]texto impreso
Miranda Pantoja, José Miguel ; Sebastián Franco, José Luis ; Muñoz San Martín, Sagrario | Amer Inst Physics | 1998-01-12The maximum entropy method is presented in this letter as a highly interesting procedure for the investigation of high frequency noise properties of bulk semiconductors and electron devices at microscopic level. A Monte Carlo simulation of the h[...]
