<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>1815-5928</journal-id>
<journal-title><![CDATA[Ingeniería Electrónica, Automática y Comunicaciones]]></journal-title>
<abbrev-journal-title><![CDATA[EAC]]></abbrev-journal-title>
<issn>1815-5928</issn>
<publisher>
<publisher-name><![CDATA[Universidad Tecnológica de La Habana José Antonio Echeverría, Cujae]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1815-59282019000200086</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Diseño de una antena cilindro parabólica offset en la banda X para el radar FURUNO]]></article-title>
<article-title xml:lang="en"><![CDATA[Design of an offset parabolic cylindrical antenna in the X band for the FURUNO radar]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ortega González]]></surname>
<given-names><![CDATA[Daryl]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Arzola Morris]]></surname>
<given-names><![CDATA[Pedro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Tecnológica de La Habana &#8220;José Antonio Echevarría&#8221;  ]]></institution>
<addr-line><![CDATA[ La Habana]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2019</year>
</pub-date>
<volume>40</volume>
<numero>2</numero>
<fpage>86</fpage>
<lpage>100</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S1815-59282019000200086&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S1815-59282019000200086&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S1815-59282019000200086&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN En un radar costero se requiere además de un patrón de radiación directivo un nivel de lóbulos secundarios o parásitos pequeño. Con el objetivo de reducir a 3o el ancho del haz de media potencia de la antena original del radar FURUNO, en el presente artículo se muestra al lector el diseño de una antena cilindro parabólica de foco desplazado en la banda X a 9,4 GHz. Se plantea el análisis por separado de la antena en dos planos. En el plano vertical se propone como antena excitadora una antena de bocina sectorial H. En el plano horizontal se propone un arreglo lineal uniforme de 129 elementos. De los resultados obtenidos se ve como con el diseño presentado se logra una mayor directividad, un aumento de la ganancia en aproximadamente 8dB lo que trae como consecuencia un aumento en la relación Ganancia-Temperatura de ruido, niveles de lóbulo secundarios de -25 dB y además, de forma teórica, se logra aumentar en más de dos veces el alcance del radar costero.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT In coastal radar, In addition to a direct radiation pattern, a level of secondary lobes or small parasites is required. With the aim of reduce the width of the half-power beam of the original FURUNO radar antenna to 3o, in this article the reader is shown the design of an offset parabolic cylindrical reflector antenna in the X band at 9.4 GHz. The analysis of the antenna in two planes is proposed separately. In the vertical plane, a sector horn antenna is proposed as an excitation antenna. In the horizontal plane, a uniform linear array of 129 elements is proposed. From the results obtained it is seen how with the presented design a greater directivity is achieved, an increase of the gain in approximately 8dB which results in an increase in the noise Gain-Temperature ratio, secondary lobe levels of -25 dB and in addition, theoretically, it is possible to increase the scope of the coastal radar by more than twice.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[antena cilindro parabólica]]></kwd>
<kwd lng="es"><![CDATA[foco desplazado]]></kwd>
<kwd lng="es"><![CDATA[arreglo lineal]]></kwd>
<kwd lng="es"><![CDATA[FURUNO]]></kwd>
<kwd lng="en"><![CDATA[parabolic cylindrical antenna]]></kwd>
<kwd lng="en"><![CDATA[offset focus]]></kwd>
<kwd lng="en"><![CDATA[linear array]]></kwd>
<kwd lng="en"><![CDATA[FURUNO]]></kwd>
</kwd-group>
</article-meta>
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