{"id":307205,"date":"2023-09-18T07:57:10","date_gmt":"2023-09-18T07:57:10","guid":{"rendered":"\/forum\/forums\/topic\/question-regarding-gain-radiation-efficiency\/"},"modified":"2023-09-18T07:57:10","modified_gmt":"2023-09-18T07:57:10","slug":"question-regarding-gain-radiation-efficiency","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/question-regarding-gain-radiation-efficiency\/","title":{"rendered":"Question regarding Gain &amp; Radiation Efficiency?"},"content":{"rendered":"<p data-xf-p=\"1\">Hello, Good day. I have a question about gain and radiation efficiency in the interest of frequency region. According to S11, my interest in frequency bands ranges from 3.24 GHz to 8.74 GHz. However, if you look at the gain vs frequency graph, it drops after 3.24 GHz and then rises. The same thing happened in the radiation efficiency graph.<\/p>\n<div id=\"isPasted\" data-xf-p=\"1\">I&#8217;m not sure why this is happening; do you have any ideas about the graph&#8217;s behavior?<\/div>\n<p data-xf-p=\"1\">Many thanks for considering my request.<\/p>\n<p data-xf-p=\"1\"><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/09\/18-09-2023-1695023763-mceclip0.png\"><\/p>\n<p data-xf-p=\"1\"><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/09\/18-09-2023-1695023773-mceclip1.png\"><\/p>\n<p data-xf-p=\"1\"><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/09\/18-09-2023-1695023781-mceclip2.png\"><\/p>\n<p data-xf-p=\"1\">&nbsp;<\/p>\n","protected":false},"template":"","class_list":["post-307205","topic","type-topic","status-closed","hentry","topic-tag-antenna-design","topic-tag-antenna-efficiency","topic-tag-antenna-parameters-1","topic-tag-antennas-1","topic-tag-gain"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Hello, Good day. I have a question about gain and radiation efficiency in the interest of frequency region. According to S11, my interest in frequency bands ranges from 3.24 GHz to 8.74 GHz. However, if you look at the gain vs frequency graph, it drops after 3.24 GHz and then rises. The same thing happened\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/question-regarding-gain-radiation-efficiency\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.10\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Ansys Learning Forum | Ansys Innovation Space\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Question regarding Gain &amp; Radiation Efficiency? | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"Hello, Good day. I have a question about gain and radiation efficiency in the interest of frequency region. According to S11, my interest in frequency bands ranges from 3.24 GHz to 8.74 GHz. However, if you look at the gain vs frequency graph, it drops after 3.24 GHz and then rises. The same thing happened\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/question-regarding-gain-radiation-efficiency\/\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forum\/wp-content\/uploads\/sites\/2\/2023\/09\/18-09-2023-1695023763-mceclip0.png\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forum\/wp-content\/uploads\/sites\/2\/2023\/09\/18-09-2023-1695023763-mceclip0.png\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2023-09-18T07:57:10+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2023-09-18T07:57:10+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Question regarding Gain &amp; Radiation Efficiency? | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"Hello, Good day. I have a question about gain and radiation efficiency in the interest of frequency region. According to S11, my interest in frequency bands ranges from 3.24 GHz to 8.74 GHz. However, if you look at the gain vs frequency graph, it drops after 3.24 GHz and then rises. The same thing happened\" \/>\n\t\t<meta name=\"twitter:image\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forum\/wp-content\/uploads\/sites\/2\/2023\/09\/18-09-2023-1695023763-mceclip0.png\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/question-regarding-gain-radiation-efficiency\\\/#breadcrumblist\",\"itemListElement\":[{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/#listItem\",\"name\":\"Topics\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/#listItem\",\"position\":2,\"name\":\"Topics\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/antenna-design\\\/#listItem\",\"name\":\"antenna-design\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/antenna-design\\\/#listItem\",\"position\":3,\"name\":\"antenna-design\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/antenna-design\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/question-regarding-gain-radiation-efficiency\\\/#listItem\",\"name\":\"Question regarding Gain &amp; Radiation Efficiency?\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/#listItem\",\"name\":\"Topics\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/question-regarding-gain-radiation-efficiency\\\/#listItem\",\"position\":4,\"name\":\"Question regarding Gain &amp; Radiation Efficiency?\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/antenna-design\\\/#listItem\",\"name\":\"antenna-design\"}}]},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#organization\",\"name\":\"Ansys Learning Forum\",\"description\":\"Ansys Innovation Space\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/question-regarding-gain-radiation-efficiency\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/question-regarding-gain-radiation-efficiency\\\/\",\"name\":\"Question regarding Gain & Radiation Efficiency? | Ansys Learning Forum\",\"description\":\"Hello, Good day. I have a question about gain and radiation efficiency in the interest of frequency region. According to S11, my interest in frequency bands ranges from 3.24 GHz to 8.74 GHz. However, if you look at the gain vs frequency graph, it drops after 3.24 GHz and then rises. 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I have a question about gain and radiation efficiency in the interest of frequency region. According to S11, my interest in frequency bands ranges from 3.24 GHz to 8.74 GHz. However, if you look at the gain vs frequency graph, it drops after 3.24 GHz and then rises. 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