{"id":356676,"date":"2024-03-12T16:35:27","date_gmt":"2024-03-12T16:35:27","guid":{"rendered":"\/forum\/?post_type=topic&#038;p=356676"},"modified":"2024-03-12T16:35:27","modified_gmt":"2024-03-12T16:35:27","slug":"regarding-farfield-radiation-patterns","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/regarding-farfield-radiation-patterns\/","title":{"rendered":"Regarding farfield radiation patterns"},"content":{"rendered":"<p>Hello,<\/p>\n<p>I am working on the farfield simulations using a dipole source on a SiC thin film. I have a question related to the polar plots generated for different dipole orientation using the Scat_ff analysis group. This is the polar plot generated for a dipole source with phi=0 and theta = 0 and the orientation of the dipole is along Z-axis<\/p>\n<p><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2024\/03\/12-03-2024-1710260035-mceclip0.png\"><\/p>\n<p>But from the theory\/text books, this is what i understood about the radiation pattern of the dipole along the z-axis<img decoding=\"async\" style=\"font-size: 14pt\" src=\"https:\/\/photonics101.com\/images\/articles\/infinitesimal-dipole-radiation-pattern-directivity\/fig2(x-z).jpg\" alt=\"The Infinitesimal Dipole - Radiation Pattern, Directivity and all that\"><\/p>\n<p>So, From the textbooks, if we consider a x-z plane, maximum radiation intensity&nbsp; for theta=90 and this matches with how we are see from a spherical coordinate system with theta is the between Z-axis and x-y plane.. But in the polar plots generated, for theta = 90 (i have assumed the angles in polar plot as theta)radiation intensity is maximum.<\/p>\n<p>I am concerned about the x-y axis of the polar plot and what is angle represented in polar plt?<\/p>\n<p>,<img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2024\/03\/12-03-2024-1710260035-mceclip0.png\"><\/p>\n<p>So, if its theta, I am assuming it should start from 0 degree in the top along z-axis and 90 degree perpendicular to the z-axis. Please help regrading this.<\/p>\n<p>Thanks,<\/p>\n<p>Prabha<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"template":"","class_list":["post-356676","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_author_ip":["23.52.43.88"],"_bbp_subscription":["338176","2592"],"_btv_view_count":["341"],"_bbp_topic_status":["unanswered"],"_bbp_topic_id":["356676"],"_bbp_forum_id":["27833"],"_bbp_engagement":["2592","338176"],"_bbp_voice_count":["2"],"_bbp_reply_count":["4"],"_bbp_last_reply_id":["356908"],"_bbp_last_active_id":["356908"],"_bbp_last_active_time":["2024-03-13 16:00:43"]},"test":"pnairalbany-edu"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/356676","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":1,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/356676\/revisions"}],"predecessor-version":[{"id":356678,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/356676\/revisions\/356678"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=356676"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}