{"id":9415,"date":"2026-02-22T23:44:08","date_gmt":"2026-02-22T23:44:08","guid":{"rendered":"https:\/\/antennasimulator.com\/?echo_kb_faq=what-is-the-upper-frequency-limit"},"modified":"2026-02-22T23:44:08","modified_gmt":"2026-02-22T23:44:08","slug":"what-is-the-upper-frequency-limit","status":"publish","type":"echo_kb_faq","link":"https:\/\/antennasimulator.com\/?echo_kb_faq=what-is-the-upper-frequency-limit","title":{"rendered":"What is the upper frequency limit?"},"content":{"rendered":"<p>There is no theoretical upper frequency limit in AN-SOF. Since electromagnetic simulation complexity is determined by\u00a0<strong>the size of the structure relative to the wavelength<\/strong>, we define limits in terms of\u00a0<strong>electrical size<\/strong>\u00a0rather than a specific frequency. As a structure becomes larger in wavelengths, the software must solve a matrix equation of a higher order. Consequently, modeling electrically large structures will require more computer memory and longer calculation times on any given PC.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>There is no theoretical upper frequency limit in AN-SOF. Since electromagnetic simulation complexity is determined by\u00a0the size of the structure relative to the wavelength, we define limits in terms of\u00a0electrical size\u00a0rather than a specific frequency. As a structure becomes larger in wavelengths, the software must solve a matrix equation of a higher order. Consequently, modeling [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"echo_kb_faq_category":[109],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/antennasimulator.com\/index.php\/wp-json\/wp\/v2\/echo_kb_faq\/9415","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/antennasimulator.com\/index.php\/wp-json\/wp\/v2\/echo_kb_faq"}],"about":[{"href":"https:\/\/antennasimulator.com\/index.php\/wp-json\/wp\/v2\/types\/echo_kb_faq"}],"author":[{"embeddable":true,"href":"https:\/\/antennasimulator.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/antennasimulator.com\/index.php\/wp-json\/wp\/v2\/comments?post=9415"}],"version-history":[{"count":1,"href":"https:\/\/antennasimulator.com\/index.php\/wp-json\/wp\/v2\/echo_kb_faq\/9415\/revisions"}],"predecessor-version":[{"id":20902,"href":"https:\/\/antennasimulator.com\/index.php\/wp-json\/wp\/v2\/echo_kb_faq\/9415\/revisions\/20902"}],"wp:attachment":[{"href":"https:\/\/antennasimulator.com\/index.php\/wp-json\/wp\/v2\/media?parent=9415"}],"wp:term":[{"taxonomy":"echo_kb_faq_category","embeddable":true,"href":"https:\/\/antennasimulator.com\/index.php\/wp-json\/wp\/v2\/echo_kb_faq_category?post=9415"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}