Academic literature on the topic 'Radio Observatorio de Jicamarca'

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Journal articles on the topic "Radio Observatorio de Jicamarca"

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Woodman, Ronald F., Donald T. Farley, Ben B. Balsley, and Marco A. Milla. "The early history of the Jicamarca Radio Observatory and the incoherent scatter technique." History of Geo- and Space Sciences 10, no. 2 (2019): 245–66. http://dx.doi.org/10.5194/hgss-10-245-2019.

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Abstract. The purpose of these historical notes is to present the early history of the Jicamarca Radio Observatory (JRO), a research facility that has been conducting observations and studies of the equatorial ionosphere for more than 50 years. We have limited the scope of these notes to the period of the construction of the observatory and roughly the first decade of its operation. Specifically, this period corresponds to the directorships under Kenneth Bowles, Donald Farley, and Tor Hagfors and the first period of Ronald Woodman, i.e., the years between 1960 and 1974. Within this time frame,
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Hickey, Dustin A., Carlos R. Martinis, Michael Mendillo, Jeffrey Baumgardner, Joei Wroten, and Marco Milla. "Simultaneous 6300 Å airglow and radar observations of ionospheric irregularities and dynamics at the geomagnetic equator." Annales Geophysicae 36, no. 2 (2018): 473–87. http://dx.doi.org/10.5194/angeo-36-473-2018.

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Abstract. In March 2014 an all-sky imager (ASI) was installed at the Jicamarca Radio Observatory (11.95∘ S, 76.87∘ W; 0.3∘ S MLAT). We present results of equatorial spread F (ESF) characteristics observed at Jicamarca and at low latitudes. Optical 6300 and 7774 Å airglow observations from the Jicamarca ASI are compared with other collocated instruments and with ASIs at El Leoncito, Argentina (31.8∘ S, 69.3∘ W; 19.8∘ S MLAT), and Villa de Leyva, Colombia (5.6∘ N, 73.52∘ W; 16.4∘ N MLAT). We use Jicamarca radar data, in incoherent and coherent modes, to obtain plasma parameters and detect echoes
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Gao, B., and J. D. Mathews. "High-altitude meteors and meteoroid fragmentation observed at the Jicamarca Radio Observatory." Monthly Notices of the Royal Astronomical Society 446, no. 4 (2014): 3404–15. http://dx.doi.org/10.1093/mnras/stu2176.

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Gao, B., and J. D. Mathews. "Phase and pattern calibration of the Jicamarca Radio Observatory radar using satellites." Monthly Notices of the Royal Astronomical Society 446, no. 4 (2014): 3416–26. http://dx.doi.org/10.1093/mnras/stu2177.

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Kelley, M. C., R. R. Ilma, and G. Crowley. "On the origin of pre-reversal enhancement of the zonal equatorial electric field." Annales Geophysicae 27, no. 5 (2009): 2053–56. http://dx.doi.org/10.5194/angeo-27-2053-2009.

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Abstract. In November 2004, a large and variable interplanetary electric field (IEF) was felt in the reference frame of the Earth. This electric field penetrated to the magnetic equator and, when the Jicamarca Radio Observatory (JRO) was in the dusk sector, resulted in a reversal of the normal zonal component of the field. In turn, this caused a counter-electrojet (CEJ), a westward current rather than the usual eastward current. At the time of the normal pre-reversal enhancement (PRE) of the eastward field, the Jicamarca incoherent scatter radar (ISR) observed that the westward component becam
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Zhu, Qian, Ross Dinsmore, Boyi Gao, and John D. Mathews. "High-resolution radar observations of meteoroid fragmentation and flaring at the Jicamarca Radio Observatory." Monthly Notices of the Royal Astronomical Society 457, no. 2 (2016): 1759–69. http://dx.doi.org/10.1093/mnras/stw070.

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Gao, Boyi, and John D. Mathews. "High-altitude radar meteors observed at Jicamarca Radio Observatory using a multibaseline interferometric technique." Monthly Notices of the Royal Astronomical Society 452, no. 4 (2015): 4252–62. http://dx.doi.org/10.1093/mnras/stv1548.

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SWARTZ, W., and J. CHAU. "Foreword to the special issue on papers presented at the Jicamarca 40th Anniversary Workshop40 years of equatorial aeronomy sparked by the Jicamarca radio observatory." Journal of Atmospheric and Solar-Terrestrial Physics 66, no. 17 (2004): 1519–20. http://dx.doi.org/10.1016/s1364-6826(04)00225-1.

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Vlasov, M. N., M. C. Kelley, and D. L. Hysell. "Eddy turbulence parameters inferred from radar observations at Jicamarca." Annales Geophysicae 25, no. 2 (2007): 475–81. http://dx.doi.org/10.5194/angeo-25-475-2007.

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Abstract. Significant electron density striations, neutral temperatures 27 K above nominal, and intense wind shear were observed in the E-region ionosphere over the Jicamarca Radio Observatory during an unusual event on 26 July 2005 (Hysell et al., 2007). In this paper, these results are used to estimate eddy turbulence parameters and their effects. Models for the thermal balance in the mesosphere/lower thermosphere and the charged particle density in the E region are developed here. The thermal balance model includes eddy conduction and viscous dissipation of turbulent energy as well as cooli
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Kelley, M. C., and E. Dao. "On the local time dependence of the penetration of solar wind-induced electric fields to the magnetic equator." Annales Geophysicae 27, no. 8 (2009): 3027–30. http://dx.doi.org/10.5194/angeo-27-3027-2009.

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Abstract. For a period of a few hours, the penetration of electric fields of solar wind origin is at its highest efficiency. In November 2003, five days of continuous vertical drift data were obtained at the Jicamarca Radio Observatory. Here we have isolated a range of frequencies centered at a few-hour period for a five-day period and have explored the local time dependence of the penetration, along with the time delay due to magnetospheric effects. We find that the latter ranges from 15 to 25 min. For the local time dependence, we find that the period of anti-correlation is roughly from 21:0
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Dissertations / Theses on the topic "Radio Observatorio de Jicamarca"

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Gómez, Sócola Josemaría. "Diseño e implementación de un sistema receptor para la estimación del contenido total de electrones relativo(rTEC)." Bachelor's thesis, Universidad Peruana de Ciencias Aplicadas (UPC), 2017. http://hdl.handle.net/10757/628066.

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En el Radio Observatorio de Jicamarca(ROJ) se ha desarrollado un sistema receptor digital de señales de radiofrecuencia provenientes de satélites de baja orbita. Este receptor terrestre calcula la variación del Contenido Total de Electrones(rTEC, del ingles relative Total Electron Content) en la ionosfera que tal y como su nombre lo diceel rTEC esta relacionado al contenido total de electrones o densidad de iones en la ionosfera. Este sistema tiene la capacidad de obtener señales transmitidas desde nano satélites y satélites en general que cuenten con un payload especifico. En un futuro el sis
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Pinedo, Nava Henry Oswaldo. "Filtro espacial adaptativo para rechazo de interferencia usando arreglo de antenas en el radio observatorio de Jicamarca." Master's thesis, Pontificia Universidad Católica del Perú, 2009. http://tesis.pucp.edu.pe/repositorio/handle/123456789/6250.

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En latitudes ecuatoriales, el estudio de las señales de radar de dispersión incoherente (ISR, por sus siglas en inglés) en la región E de la Ionósfera es perjudicado drásticamente por la interferencia de potentes señales provenientes del Electrochorro Ecuatorial (EEJ, por sus siglas en inglés). En base a que estas dos señales (ISR y EEJ) provienen de regiones en el cielo con posiciones angulares distintas, en la presente tesis se evalúa la factibilidad de emplear técnicas de filtrado espacial con el radar del Radio Observatorio de Jicamarca (ROJ) para mejorar las medidas de dispersión incohere
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Fucetola, Elizabeth N. "Determining meteoroid properties using head echo observations from the Jicamarca Radio Observatory." Thesis, Boston University, 2012. https://hdl.handle.net/2144/32016.

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Thesis (Ph.D.)--Boston University<br>PLEASE NOTE: Boston University Libraries did not receive an Authorization To Manage form for this thesis or dissertation. It is therefore not openly accessible, though it may be available by request. If you are the author or principal advisor of this work and would like to request open access for it, please contact us at open-help@bu.edu. Thank you.<br>Over 100 tons of material enters the Earth's atmosphere every day, mostly in the form of meteoroids less than a millimeter across. As a meteoroid enters the atmosphere, it ablates and forms a plasma. Radars c
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Villena, Gonzáles Wilbert Jesús. "Diseño y construcción de un pre-amplificador de bajo ruido a 50 MHz para los receptores del Radio Observatorio de Jicamarca / Wilbert Jesús Villena Gonzáles." Bachelor's thesis, Pontificia Universidad Católica del Perú, 2005. http://tesis.pucp.edu.pe/repositorio/handle/123456789/273.

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El presente trabajo de tesis muestra el diseño y construcción de un preamplificador para la frecuencia de 50MHz, la cual es la frecuencia de trabajo del radar en el Radio observatorio de Jicamarca.<br>Tesis
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Portugal, Débora Lucía, Andrea Soledad Príncipe, and Mariana Quintana. "Observatorio de la discriminación en radio y televisión - Abril a diciembre de 2008." Tesis, 2009. http://hdl.handle.net/10915/1831.

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Conference papers on the topic "Radio Observatorio de Jicamarca"

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Wahl, D., J. Chau, F. Galindo, et al. "The search for extended air showers at the Jicamarca Radio Observatory." In COSMIC RAYS AND ASTROPHYSICS: Proceedings of the 3rd School on Cosmic Rays and Astrophysics. AIP, 2009. http://dx.doi.org/10.1063/1.3141356.

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Mathews, J. D., B. Gao, and Q. Zhu. "Radar observations of highly-transient meteor and related plasma phenomena at Jicamarca Radio Observatory." In 2015 1st URSI Atlantic Radio Science Conference (URSI AT-RASC). IEEE, 2015. http://dx.doi.org/10.1109/ursi-at-rasc.2015.7303166.

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Mathews, J. D., B. Gao, J. Urbina, and F. Galindo. "High-altitude meteors and meteoroid fragmentation observed at Jicamarca." In 2013 US National Committee of URSI National Radio Science Meeting (USNC-URSI NRSM). IEEE, 2013. http://dx.doi.org/10.1109/usnc-ursi-nrsm.2013.6525004.

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Gao, B., J. D. Mathews, and J. L. Chau. "Phase and pattern calibration of the Jicamarca radar using satellites." In 2013 US National Committee of URSI National Radio Science Meeting (USNC-URSI NRSM). IEEE, 2013. http://dx.doi.org/10.1109/usnc-ursi-nrsm.2013.6525060.

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Vinogradova, T. "Proposed experiment to detect air showers with the Jicamarca radar system." In First international workshop on the radio detection of high energy particles. AIP, 2001. http://dx.doi.org/10.1063/1.1398180.

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Gao, Boyi, and John D. Mathews. "The confirmation of high-altitude radar meteors observed with the Jicamarca 50MHz array radar." In 2014 United States National Committee of URSI National Radio Science Meeting (USNC-URSI NRSM). IEEE, 2014. http://dx.doi.org/10.1109/usnc-ursi-nrsm.2014.6928097.

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Suclupe, Jose M., Edgardo E. Pacheco, and Percy J. Condor. "Automatic identification and observations of blanketing sporadic E events in the equatorial region over Jicamarca." In 2020 XXXIIIrd General Assembly and Scientific Symposium of the International Union of Radio Science (URSI GASS). IEEE, 2020. http://dx.doi.org/10.23919/ursigass49373.2020.9232028.

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MORA, F., and C. BOZ. "DESARROLLO DE UN PROYECTO, CON ENTIDADES GUBERNAMENTALES DE DISTINTOS PAÍSES, INSERTO EN LAS INSTALACIONES DE UN OBSERVATORIO INTERNACIONAL DE RADIO ASTRONOMÍA." In XV CONGRESO LATINO-AMERICANO DE PATOLOGÍA DE CONSTRUCCIÓN - XVII CONGRESO DE CONTROL DE CALIDAD EN LA CONSTRUCCIÓN. ALCONPAT INTERNACIONAL, 2019. http://dx.doi.org/10.21041/conpat2019/v1cc141.

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