{"id":421,"date":"2026-10-03T14:11:35","date_gmt":"2026-10-03T13:11:35","guid":{"rendered":"https:\/\/wpcalc.com\/tr\/helis-anten\/"},"modified":"2026-10-03T14:11:35","modified_gmt":"2026-10-03T13:11:35","slug":"helis-anten","status":"publish","type":"post","link":"https:\/\/wpcalc.com\/tr\/muhendislik\/helis-anten\/","title":{"rendered":"Helis Anten Hesaplama Arac\u0131"},"content":{"rendered":"<section class=\"not-prose calculator-box\" aria-labelledby=\"calculator-title\"><div class=\"flex items-baseline sm:items-center justify-between gap-2 sm:gap-3\"><div class=\"flex flex-col sm:flex-row sm:items-center gap-2\"><span class=\"icon icon-calculator text-primary-700! text-base! dark:text-primary-300!\" aria-hidden=\"true\"><\/span><h2 id=\"calculator-title\" class=\"text-lg font-display font-bold\">Helis Anten Boyut ve Kazan\u00e7 Tahmin Arac\u0131<\/h2><\/div><div class=\"calcdash-favorite group\">\n  <button type=\"button\" class=\"favorite\" id=\"favorite\" data-favorite-id=\"421\" data-favorite-title=\"Helis Anten\" data-favorite-url=\"https:\/\/wpcalc.com\/tr\/muhendislik\/helis-anten\/\" data-favorite-excerpt=\"Eksenel (axial) modda \u00e7al\u0131\u015fan bir helis antenin boyutlar\u0131n\u0131, \u00e7al\u0131\u015fma frekans\u0131 ve sar\u0131m say\u0131s\u0131ndan hesaplay\u0131n. Dalga boyunu, helis \u00e7ap\u0131n\u0131, sar\u0131m aral\u0131\u011f\u0131n\u0131 (ad\u0131m) ve antenin toplam boyunu saniyeler i\u00e7inde \u00f6\u011frenin.\" aria-label=\"Favorilere ekle\" data-favorite-icon=\"icon icon-electrical\">\n    <span class=\"icon icon-shape-star-empty\" aria-hidden=\"true\"><\/span>\n  <\/button>\n  <div class=\"calcdash-favorite__tip\" aria-hidden=\"true\">\n   <span class=\"favorite-tooltip\" id=\"favorite-tooltip\"><\/span>\n  <\/div>\n  <span class=\"sr-only\" role=\"status\" id=\"favorite-status\"><\/span>\n<\/div><\/div><form action=\"https:\/\/wpcalc.com\/tr\/muhendislik\/helis-anten\/\" method=\"POST\" class=\"calculator\" id=\"calculator-421\" data-post=\"421\"><fieldset class=\"fieldset-input\"><legend class=\"sr-only\">Giri\u015f alanlar\u0131<\/legend><div class=\"field has-term\" id=\"input-1\"><label for=\"field-1\">\u00c7al\u0131\u015fma frekans\u0131<\/label><div class=\"term\">f<\/div>  <div class=\"absolute bottom-0 left-16 top-8 w-2 h-0.5 bg-blue-500\"><\/div><input type=\"text\" name=\"alma_frekans\" id=\"field-1\" aria-describedby=\"calc-unit-1 calc-info-1\" data-number inputmode=\"decimal\" autocomplete=\"off\" spellcheck=\"false\" min=\"0.01\" value=\"2400\"\/><div class=\"unit\" id=\"calc-unit-1\">MHz<\/div><small id=\"calc-info-1\">Antenin \u00e7al\u0131\u015fma frekans\u0131<\/small><\/div><div class=\"field has-term\" id=\"input-2\"><label for=\"field-2\">Sarg\u0131 say\u0131s\u0131<\/label><div class=\"term\">N<\/div>  <div class=\"absolute bottom-0 left-16 top-8 w-2 h-0.5 bg-blue-500\"><\/div><input type=\"text\" name=\"sarg_says\" id=\"field-2\" aria-describedby=\"calc-info-2\" data-number inputmode=\"decimal\" autocomplete=\"off\" spellcheck=\"false\" min=\"1\" value=\"10\"\/><small id=\"calc-info-2\">Helisteki sarg\u0131 say\u0131s\u0131<\/small><\/div><\/fieldset><div class=\"buttons\"><button type=\"submit\" data-text=\"Yeniden hesapla\" id=\"calculate-button\" data-post=\"421\">Hesapla<\/button><button type=\"reset\">S\u0131f\u0131rla<\/button><\/div><div class=\"field is-checkbox hidden!\" id=\"field-auto-calc\"><input type=\"checkbox\" id=\"auto-calc\"><label for=\"auto-calc\">Otomatik hesapla<\/label><small>Etkinle\u015ftirilirse, herhangi bir de\u011feri de\u011fi\u015ftirdi\u011finizde sonu\u00e7 otomatik olarak g\u00fcncellenir.<\/small><\/div><div class=\"fieldset-result is-hidden\" aria-labelledby=\"result-title\" aria-live=\"polite\" role=\"region\"> <h3 class=\"result-title bg-gradient-to-r from-primary-50 to-gray-50 dark:from-primary-900 dark:to-gray-800\" id=\"result-title\"><span class=\"icon icon-s-pulse\" aria-hidden=\"true\"><\/span> Sonu\u00e7lar\u0131n\u0131z<\/h3><div class=\"result-box\"><div class=\"field-result\" id=\"output-1\"><span class=\"field-title\"><span>Dalga boyu<\/span><\/span><span class=\"field-value\" id=\"result-1\" data-unit=\"m\"><\/span><button type=\"button\" class=\"copy-result\" data-tooltip=\"Sonucu kopyala\" aria-label=\"Sonucu kopyala\"><span class=\"copy-icon icon icon-document-copy\" aria-hidden=\"true\"><\/span><\/button><\/div><div class=\"field-result\" id=\"output-2\"><span class=\"field-title\"><span>\u00c7ap<\/span><\/span><span class=\"field-value\" id=\"result-2\" data-unit=\"m\"><\/span><button type=\"button\" class=\"copy-result\" data-tooltip=\"Sonucu kopyala\" aria-label=\"Sonucu kopyala\"><span class=\"copy-icon icon icon-document-copy\" aria-hidden=\"true\"><\/span><\/button><\/div><div class=\"field-result\" id=\"output-3\"><span class=\"field-title\"><span>Sar\u0131m aral\u0131\u011f\u0131 (ad\u0131m)<\/span><\/span><span class=\"field-value\" id=\"result-3\" data-unit=\"m\"><\/span><button type=\"button\" class=\"copy-result\" data-tooltip=\"Sonucu kopyala\" aria-label=\"Sonucu kopyala\"><span class=\"copy-icon icon icon-document-copy\" aria-hidden=\"true\"><\/span><\/button><\/div><div class=\"field-result\" id=\"output-4\"><span class=\"field-title\"><span>Toplam Uzunluk<\/span><\/span><span class=\"field-value\" id=\"result-4\" data-unit=\"m\"><\/span><button type=\"button\" class=\"copy-result\" data-tooltip=\"Sonucu kopyala\" aria-label=\"Sonucu kopyala\"><span class=\"copy-icon icon icon-document-copy\" aria-hidden=\"true\"><\/span><\/button><\/div><\/div><div class=\"result-actions\"><button type=\"button\" class=\"copy-link\"><svg viewBox=\"0 0 20 20\" fill=\"currentColor\" aria-hidden=\"true\"><path d=\"M12.232 4.232a2.5 2.5 0 0 1 3.536 3.536l-1.225 1.224a.75.75 0 0 0 1.061 1.06l1.224-1.224a4 4 0 0 0-5.656-5.656l-3 3a4 4 0 0 0 .225 5.865.75.75 0 0 0 .977-1.138 2.5 2.5 0 0 1-.142-3.667l3-3Z\"\/><path d=\"M11.603 7.963a.75.75 0 0 0-.977 1.138 2.5 2.5 0 0 1 .142 3.667l-3 3a2.5 2.5 0 0 1-3.536-3.536l1.225-1.224a.75.75 0 0 0-1.061-1.06l-1.224 1.224a4 4 0 1 0 5.656 5.656l3-3a4 4 0 0 0-.225-5.865Z\"\/><\/svg><span class=\"copy-link__text\">Bu hesaplaman\u0131n ba\u011flant\u0131s\u0131n\u0131 kopyala<\/span><\/button><span class=\"sr-only\" role=\"status\" id=\"copy-link-status\"><\/span><\/div><\/div><a href=\"#respond\" class=\"hidden transition-opacity duration-300 opacity-0 w-50 text-sm justify-center items-center gap-2 px-4 py-2 rounded bg-gray-200 text-gray-700 hover:bg-gray-300\" id=\"leave-comment\"><span class=\"icon icon-comments\" aria-hidden=\"true\"><\/span>Yorum b\u0131rak<\/a><\/form><\/section><section id=\"calc-reactions\" class=\"not-prose hidden my-12 bg-gradient-to-r from-primary-50 to-gray-50 border border-indigo-100 rounded-xl px-6 py-4 shadow-sm\" data-post=\"421\" aria-live=\"polite\" aria-labelledby=\"calc-reactions-title\"><p id=\"calc-reactions-title\" class=\"text-sm text-gray-500 text-center mb-2\">Bu sonu\u00e7 hakk\u0131nda ne d\u00fc\u015f\u00fcn\u00fcyorsunuz?<\/p><div role=\"group\" aria-labelledby=\"calc-reactions-title\" class=\"grid grid-cols-3 sm:flex sm:flex-row sm:justify-around gap-4 sm:items-center sm:flex-wrap\"><button type=\"button\" aria-pressed=\"false\" class=\"reaction-btn flex flex-col items-center gap-1 text-sm text-gray-700 hover:text-primary-600 cursor-pointer transition-transform hover:scale-105\" data-reaction=\"like\"><span class=\"reaction-count\" data-reaction-count=\"like\">0<\/span><span class=\"reaction text-3xl\" aria-hidden=\"true\">\ud83d\ude00 <\/span><span class=\"reaction-description font-medium\">Be\u011fendim <\/span><\/button><button type=\"button\" aria-pressed=\"false\" class=\"reaction-btn flex flex-col items-center gap-1 text-sm text-gray-700 hover:text-primary-600 cursor-pointer transition-transform hover:scale-105\" data-reaction=\"helpful\"><span class=\"reaction-count\" data-reaction-count=\"helpful\">0<\/span><span class=\"reaction text-3xl\" aria-hidden=\"true\">\ud83d\udca1 <\/span><span class=\"reaction-description font-medium\">Faydal\u0131 <\/span><\/button><button type=\"button\" aria-pressed=\"false\" class=\"reaction-btn flex flex-col items-center gap-1 text-sm text-gray-700 hover:text-primary-600 cursor-pointer transition-transform hover:scale-105\" data-reaction=\"confused\"><span class=\"reaction-count\" data-reaction-count=\"confused\">0<\/span><span class=\"reaction text-3xl\" aria-hidden=\"true\">\ud83d\ude15 <\/span><span class=\"reaction-description font-medium\">Kafam kar\u0131\u015ft\u0131 <\/span><\/button><button type=\"button\" aria-pressed=\"false\" class=\"reaction-btn flex flex-col items-center gap-1 text-sm text-gray-700 hover:text-primary-600 cursor-pointer transition-transform hover:scale-105\" data-reaction=\"disappointed\"><span class=\"reaction-count\" data-reaction-count=\"disappointed\">0<\/span><span class=\"reaction text-3xl\" aria-hidden=\"true\">\ud83d\ude1e <\/span><span class=\"reaction-description font-medium\">Hayal k\u0131r\u0131kl\u0131\u011f\u0131 <\/span><\/button><button type=\"button\" aria-pressed=\"false\" class=\"reaction-btn flex flex-col items-center gap-1 text-sm text-gray-700 hover:text-primary-600 cursor-pointer transition-transform hover:scale-105\" data-reaction=\"inaccurate\"><span class=\"reaction-count\" data-reaction-count=\"inaccurate\">0<\/span><span class=\"reaction text-3xl\" aria-hidden=\"true\">\u274c <\/span><span class=\"reaction-description font-medium\">Hatal\u0131 <\/span><\/button><\/div><div id=\"reaction-message\" class=\"hidden mt-8 rounded-md border border-primary-100 bg-white\/50 backdrop-blur-sm px-4 py-2 text-sm text-center shadow-sm\"><\/div><\/section><div class=\"calcdash-ad not-prose calcdash-ad--calc_result calcdash-ad--in-article\"><ins class=\"adsbygoogle\" style=\"display:block\" data-ad-client=\"ca-pub-1721569815777345\" data-ad-slot=\"6317458308\" data-ad-layout=\"in-article\" data-ad-format=\"fluid\"><\/ins><script>(adsbygoogle = window.adsbygoogle || []).push({});<\/script><\/div>\n<style id=\"wpcoderpro-inline-1\">.formula-box {\r\n\tborder-bottom: none !important;\r\n}<\/style><section class=\"formula-box\" aria-labelledby=\"formula-title\">\r\n\t<div id=\"formula-title\" class=\"not-prose font-display mb-4\"><span class=\"icon icon-formula\" aria-hidden=\"true\"><\/span><h2>Helis Anten Form\u00fcl\u00fc<\/h2><\/div>\r\n\t<figure class=\"not-prose formula\">\r\n\t\t<figcaption class=\"formula-title\">Form\u00fcl<\/figcaption>\r\n\t\t<div class=\"text-base text-gray-800\" id=\"formula\">\n\\[ \\lambda = \\frac{c}{f} \\]\n\\[ D = \\frac{\\lambda}{\\pi} \\]\n\\[ S = \\frac{\\lambda}{4} \\]\n\\[ L = N \\cdot S \\]\n<\/div>\r\n\t<\/figure>\r\n\t<\/p>\n<p><strong>Burada:<\/strong><\/p>\n<ul>\n<li>\\(\\lambda\\) \u2014 dalga boyu (m)<\/li>\n<li>\\(c\\) \u2014 \u0131\u015f\u0131k h\u0131z\u0131, \\(3 \\times 10^8\\) m\/s<\/li>\n<li>\\(f\\) \u2014 \u00e7al\u0131\u015fma frekans\u0131 (Hz)<\/li>\n<li>\\(D\\) \u2014 helisin \u00e7ap\u0131 (m)<\/li>\n<li>\\(S\\) \u2014 sar\u0131mlar aras\u0131 ad\u0131m (aral\u0131k) (m)<\/li>\n<li>\\(N\\) \u2014 sar\u0131m say\u0131s\u0131<\/li>\n<li>\\(L\\) \u2014 helisin toplam boyu (m)<\/li>\n<\/ul>\n<p>Bu boyutlar anteni <strong>eksenel moda<\/strong> (axial mode), yani bir helis antenin standart \u00e7al\u0131\u015fma b\u00f6lgesine yerle\u015ftirir. \u00c7ap, \u00e7evre \\(C = \\pi D\\) bir dalga boyuna e\u015fit olacak \u015fekilde se\u00e7ilir ve ad\u0131m, d\u00f6rtte bir dalga boyuna ayarlan\u0131r \u2014 bunlar, helis antenin mucidi John Kraus'un dairesel polarizasyon ve helis ekseni boyunca maksimum kazan\u00e7 i\u00e7in \u00f6nerdi\u011fi de\u011ferlerdir.<\/p>\n<p>\r\n<\/section>\n<style id=\"wpcoderpro-inline-2\">.calculation-box {\r\n\tborder-bottom: none !important;\r\n}<\/style><section id=\"calculation\" class=\"calculation-box\" aria-labelledby=\"calculation-title\">\r\n\t<div id=\"calculation-title\" class=\"not-prose font-display\"><span class=\"icon icon-unordered-list\" aria-hidden=\"true\"><\/span><h2>Helis Anten \u2013 Hesaplama \u00d6rne\u011fi<\/h2><\/div>\r\n\r\n<\/p>\n<p><strong>\u00d6rnek:<\/strong> 2.4 GHz band\u0131 i\u00e7in 10 sar\u0131ml\u0131 bir helis anten; bu bant uydu yer istasyonu (downlink) ve Wi-Fi uygulamalar\u0131nda \u00e7ok yayg\u0131nd\u0131r.<\/p>\n<p>\\[ \\lambda = \\frac{3 \\times 10^8}{2.4 \\times 10^9} = 0.125 \\text{ m} \\]<\/p>\n<p>\\[ D = \\frac{0.125}{\\pi} \\approx 0.0398 \\text{ m} \\]<\/p>\n<p>\\[ S = \\frac{0.125}{4} = 0.0313 \\text{ m} \\]<\/p>\n<p>\\[ L = 10 \\times 0.0313 \\approx 0.313 \\text{ m} \\]<\/p>\n<p><strong>Sonu\u00e7:<\/strong> antenin helis \u00e7ap\u0131 yakla\u015f\u0131k 39,8 mm, sar\u0131m aral\u0131\u011f\u0131 31,3 mm ve helisin toplam boyu kabaca 313 mm olmal\u0131d\u0131r. Bunlar, hesaplama arac\u0131n\u0131n varsay\u0131lan ayarlar\u0131yla (2400 MHz, 10 sar\u0131m) elde etti\u011finiz de\u011ferlerin ayn\u0131s\u0131d\u0131r.<\/p>\n<p>\n\r\n<\/section>\n<h2>Hesaplama arac\u0131 nas\u0131l kullan\u0131l\u0131r?<\/h2>\n<ol>\n<li><strong>\u00c7al\u0131\u015fma frekans\u0131n\u0131<\/strong> MHz cinsinden girin (\u00f6rne\u011fin 2.4 GHz band\u0131 i\u00e7in 2400 veya tipik bir CubeSat UHF downlink'i i\u00e7in 437).<\/li>\n<li>Helisin <strong>Sar\u0131m say\u0131s\u0131n\u0131<\/strong> \\(N\\) girin. Daha \u00e7ok sar\u0131m, daha uzun anten, daha y\u00fcksek kazan\u00e7 ve daha dar huzme anlam\u0131na gelir.<\/li>\n<li>Sonu\u00e7lar\u0131 okuyun: <strong>Dalga boyu<\/strong>, helis <strong>\u00c7ap\u0131<\/strong>, sar\u0131mlar aras\u0131 <strong>Ad\u0131m (aral\u0131k)<\/strong> ve helisin <strong>Toplam Boyu<\/strong> \u2014 hepsi metre cinsinden.<\/li>\n<\/ol>\n<h2>Helis anten nedir?<\/h2>\n<p>Helis (sarmal) anten, bir zemin d\u00fczlemi (toprak d\u00fczlemi) \u00fczerine monte edilmi\u015f ve bir ucundan beslenen, vida di\u015fi bi\u00e7iminde sar\u0131lm\u0131\u015f bir telden olu\u015fur. 1946'da John Kraus taraf\u0131ndan icat edilmi\u015ftir ve dairesel polarizasyonlu sinyaller i\u00e7in en kullan\u0131\u015fl\u0131 antenlerden biri olmaya devam eder. Boyutlar\u0131na ba\u011fl\u0131 olarak ya <em>normal modda<\/em> (kenar y\u00f6n\u00fcnde, k\u0131sa bir monopole benzer) ya da <em>eksenel modda<\/em> (helisin ekseni boyunca) \u0131\u015f\u0131n\u0131m yapar.<\/p>\n<p>Eksenel mod, a\u00e7\u0131k ara en yayg\u0131n \u00e7al\u0131\u015fma bi\u00e7imidir. Kabaca bir dalga boyu \u00e7evre (\\(0.75\\lambda \\le C \\le 1.33\\lambda\\)) ve 12\u201314\u00b0 civar\u0131nda bir ad\u0131m a\u00e7\u0131s\u0131 gerektirir; bu da sar\u0131mlar aras\u0131nda yakla\u015f\u0131k \\(0.25\\lambda\\) aral\u0131\u011fa kar\u015f\u0131l\u0131k gelir. Bu hesaplama arac\u0131 tam olarak bu optimal boyutlar\u0131 verir. Eksenel modda anten dairesel polarizasyon \u00fcretir \u2014 helis saat y\u00f6n\u00fcnde sar\u0131lm\u0131\u015fsa sa\u011f d\u00f6nel, saat y\u00f6n\u00fcn\u00fcn tersine sar\u0131lm\u0131\u015fsa sol d\u00f6nel \u2014 ve ekseni boyunca y\u00f6nl\u00fc bir huzme olu\u015fturur.<\/p>\n<p>Dairesel polarizasyon, helis antenlerin uzay haberle\u015fmesinde her yerde bulunmas\u0131n\u0131n temel nedenidir. Bir uydu takla atar ve d\u00f6ner; bu da do\u011frusal polarizasyonlu sinyalinin y\u00f6n\u00fcn\u00fc s\u00fcrekli de\u011fi\u015ftirir. Do\u011frusal polarizasyonlu bir alma anteni, polarizasyon d\u00f6nerken derin s\u00f6n\u00fcmler (fade) ya\u015fard\u0131. Dairesel polarizasyonlu bir helis ise sinyali d\u00f6nme y\u00f6n\u00fcnden ba\u011f\u0131ms\u0131z olarak yakalar; en k\u00f6t\u00fc \u00e7apraz polarizasyon durumunda yaln\u0131zca 3 dB kay\u0131p olur. Helis antenler ayr\u0131ca boyut toleranslar\u0131na kar\u015f\u0131 ho\u015fg\u00f6r\u00fcl\u00fcd\u00fcr, kabaca %70'lik geni\u015f bir bant geni\u015fli\u011fi sunar ve kolay e\u015flenebilen, 140 \u03a9 civar\u0131nda neredeyse diren\u00e7li bir besleme empedans\u0131na sahiptir.<\/p>\n<p>Eksenel modlu bir helisin kazanc\u0131 sar\u0131m say\u0131s\u0131yla artar \u2014 \\(N\\) her ikiye katland\u0131\u011f\u0131nda kabaca 2 ila 3 dB eklenir \u2014 ancak huzme geni\u015fli\u011fi daral\u0131r. Tipik uygulamalar, kompakt UHF antenler i\u00e7in 3 sar\u0131mdan, uydu yer istasyonlar\u0131 ve radyo astronomisi i\u00e7in 10\u201320 sar\u0131ma kadar uzan\u0131r.<\/p>\n<h2>Pratik ipu\u00e7lar\u0131, varsay\u0131mlar ve s\u0131n\u0131rlamalar<\/h2>\n<ul>\n<li><strong>Tel se\u00e7imi:<\/strong> \u00e7\u0131plak bak\u0131r veya pirin\u00e7 tel kullan\u0131n; \u00e7ap frekansa ba\u011fl\u0131 olarak tipik olarak 1\u20134 mm olur. Daha kal\u0131n bir iletken bant geni\u015fli\u011fini biraz art\u0131r\u0131r. Uygun bir iletken kal\u0131nl\u0131\u011f\u0131n\u0131 <a href=\"https:\/\/wpcalc.com\/tr\/muhendislik\/awg-hesaplama\/\">Tel Kal\u0131nl\u0131\u011f\u0131 (Wire Gauge) hesaplama arac\u0131yla<\/a> kontrol edebilirsiniz.<\/li>\n<li><strong>Zemin d\u00fczlemi:<\/strong> helis, en az \\(0.5\\lambda\\) geni\u015fli\u011finde bir zemin d\u00fczlemi \u00fczerinde durmal\u0131d\u0131r (kare bir metal plaka veya radyal telli bir \"\u00f6r\u00fcmcek\" iyi \u00e7al\u0131\u015f\u0131r). \u00c7ok k\u00fc\u00e7\u00fck bir zemin d\u00fczlemi kazanc\u0131 d\u00fc\u015f\u00fcr\u00fcr ve beslemeyi frekanstan kayd\u0131r\u0131r.<\/li>\n<li><strong>Besleme:<\/strong> helis empedans\u0131 yakla\u015f\u0131k 140 \u03a9'd\u0131r. Bir d\u00f6rtte bir dalga boyu transformat\u00f6r\u00fc veya basit bir e\u015fle\u015ftirme b\u00f6l\u00fcm\u00fc (<a href=\"https:\/\/wpcalc.com\/tr\/muhendislik\/pi-ag-empedans-uyumu\/\">PI A\u011f\u0131 Empedans E\u015fle\u015ftirme hesaplama arac\u0131na<\/a> bak\u0131n) bunu 50 \u03a9'luks kablo seviyesine indirir.<\/li>\n<li><strong>Ta\u015f\u0131y\u0131c\u0131:<\/strong> teli iletken olmayan bir boruya (PVC, PTFE) sar\u0131n veya bask\u0131l\u0131 devre yap\u0131s\u0131 kullan\u0131n. \u0130lki klasik yakla\u015f\u0131md\u0131r; destek dire\u011fi RF performans\u0131na pek katk\u0131 sa\u011flamaz.<\/li>\n<li><strong>Tahmini kazan\u00e7:<\/strong> eksenel mod i\u00e7in yayg\u0131n bir pratik kural, oran cinsinden \\(G \\approx 15 \\cdot N \\cdot (C\/\\lambda)^2 \\cdot (S\/\\lambda)\\); yukar\u0131daki 10 sar\u0131ml\u0131 \u00f6rnek i\u00e7in bu yakla\u015f\u0131k 11\u201312 dBi'dir. \u00c7ok y\u00fcksek iddia edilen kazan\u00e7lar\u0131n (30+ dBi) tek bir helis i\u00e7in ger\u00e7ek\u00e7i olmad\u0131\u011f\u0131n\u0131 unutmay\u0131n.<\/li>\n<li><strong>Polarizasyon y\u00f6n\u00fc:<\/strong> verici ve al\u0131c\u0131 antenlerin sar\u0131m y\u00f6nlerini e\u015fle\u015ftirin. Sa\u011f d\u00f6nel dairesel bir helis, sol d\u00f6nel dairesel biriyle verimli ileti\u015fim kuramaz.<\/li>\n<li><strong>H\u0131z \u00e7arpan\u0131:<\/strong> bu hesaplama arac\u0131 serbest uzay dalga boyunu kullan\u0131r. Anten di\u011fer yap\u0131lar\u0131n yak\u0131n\u0131nda \u00e7al\u0131\u015f\u0131yorsa veya dielektrik ta\u015f\u0131y\u0131c\u0131 tabanl\u0131 bask\u0131l\u0131 bir helis kullan\u0131l\u0131yorsa, birka\u00e7 y\u00fczdeilik boyutsal kayma bekleyin \u2014 deneysel olarak k\u0131rparak ayarlay\u0131n.<\/li>\n<\/ul>\n<p>Anten yap\u0131ld\u0131ktan sonra, \u0131\u015f\u0131nlanan alan g\u00fcvenli\u011fini veya ba\u011flant\u0131 b\u00fct\u00e7esini <a href=\"https:\/\/wpcalc.com\/tr\/muhendislik\/rf-guc-yogunlugu\/\">RF G\u00fc\u00e7 Yo\u011funlu\u011fu hesaplama arac\u0131yla<\/a> do\u011frulayabilir ya da besleme telinin parazitik end\u00fcktans\u0131n\u0131 <a href=\"https:\/\/wpcalc.com\/tr\/muhendislik\/duz-tel-induktansi\/\">D\u00fcz Tel End\u00fcktans\u0131 hesaplama arac\u0131yla<\/a> tahmin edebilirsiniz.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Eksenel (axial) modda \u00e7al\u0131\u015fan bir helis antenin boyutlar\u0131n\u0131, \u00e7al\u0131\u015fma frekans\u0131 ve sar\u0131m say\u0131s\u0131ndan hesaplay\u0131n. Dalga boyunu, helis \u00e7ap\u0131n\u0131, sar\u0131m aral\u0131\u011f\u0131n\u0131 (ad\u0131m) ve antenin toplam boyunu saniyeler i\u00e7inde \u00f6\u011frenin.<\/p>\n","protected":false},"author":3168,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[6],"tags":[35],"class_list":["post-421","post","type-post","status-publish","format-standard","hentry","category-muhendislik","tag-elektrik"],"acf":[],"_links":{"self":[{"href":"https:\/\/wpcalc.com\/tr\/wp-json\/wp\/v2\/posts\/421","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wpcalc.com\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wpcalc.com\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wpcalc.com\/tr\/wp-json\/wp\/v2\/users\/3168"}],"replies":[{"embeddable":true,"href":"https:\/\/wpcalc.com\/tr\/wp-json\/wp\/v2\/comments?post=421"}],"version-history":[{"count":5,"href":"https:\/\/wpcalc.com\/tr\/wp-json\/wp\/v2\/posts\/421\/revisions"}],"predecessor-version":[{"id":3546,"href":"https:\/\/wpcalc.com\/tr\/wp-json\/wp\/v2\/posts\/421\/revisions\/3546"}],"wp:attachment":[{"href":"https:\/\/wpcalc.com\/tr\/wp-json\/wp\/v2\/media?parent=421"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wpcalc.com\/tr\/wp-json\/wp\/v2\/categories?post=421"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wpcalc.com\/tr\/wp-json\/wp\/v2\/tags?post=421"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}