{"id":195446,"date":"2021-10-22T18:03:27","date_gmt":"2021-10-22T18:03:27","guid":{"rendered":"\/forum\/forums\/reply\/195446\/"},"modified":"2021-11-05T17:13:00","modified_gmt":"2021-11-05T17:13:00","slug":"195446","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/195446\/","title":{"rendered":"Reply To: Why FDTD uses pulsed light source excitation instead of sine wave light source\uff1f"},"content":{"rendered":"<p>The Chinese version is here: <a href=\"\/forum\/discussion\/25376\/ansys-insight-fdtd-%E4%B8%BA%E4%BB%80%E4%B9%88%E9%87%87%E7%94%A8%E8%84%89%E5%86%B2%E5%85%89%E6%BA%90%E6%BF%80%E5%8A%B1%E8%80%8C%E4%B8%8D%E9%87%87%E7%94%A8%E6%AD%A3%E5%BC%A6%E6%B3%A2%E5%85%89%E6%BA%90#latest\" target=\"blank\">Ansys Insight: FDTD \u00f5\u00a9\u2551\u00f5\u2557\u00c7\u00f5\u2563\u00ea\u00da\u00e7\u00e7\u00fe\u00f6\u00bf\u00de\u00e4\u00eb\u00d5\u00e5\u2593\u00d5\u00e0\u00eb\u00b5\u2551\u00c9\u00b5\u2510\u00c7\u00d5\u00e8\u2592\u00de\u00c7\u00ee\u00f5\u00a9\u00ec\u00da\u00e7\u00e7\u00fe\u00f6\u00bf\u00b5\u00a1\u00fa\u00d5\u255d\u00aa\u00b5\u2502\u00f3\u00d5\u00e0\u00eb\u00b5\u2551\u00c9<\/a><br \/>\nBasically, whether you want a broadband or single-frequency result, the simulation with pulse source is much faster than using a sinusoidal wave, which will need an initial transient time, and then long steady state time in order to get the result  at only  a single frequency.  <\/p>\n","protected":false},"template":"","class_list":["post-195446","reply","type-reply","status-publish","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"The Chinese version is here: Ansys Insight: FDTD \u00f5\u00a9\u2551\u00f5\u2557\u00c7\u00f5\u2563\u00ea\u00da\u00e7\u00e7\u00fe\u00f6\u00bf\u00de\u00e4\u00eb\u00d5\u00e5\u2593\u00d5\u00e0\u00eb\u00b5\u2551\u00c9\u00b5\u2510\u00c7\u00d5\u00e8\u2592\u00de\u00c7\u00ee\u00f5\u00a9\u00ec\u00da\u00e7\u00e7\u00fe\u00f6\u00bf\u00b5\u00a1\u00fa\u00d5\u255d\u00aa\u00b5\u2502\u00f3\u00d5\u00e0\u00eb\u00b5\u2551\u00c9 Basically, whether you want a broadband or single-frequency result, the simulation with pulse source is much faster than using a sinusoidal wave, which will need an initial transient time, and then long steady state time in order to get the result at only a single frequency.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/195446\/\" \/>\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=\"Reply To: Why FDTD uses pulsed light source excitation instead of sine wave light source\uff1f | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"The Chinese version is here: Ansys Insight: FDTD \u00f5\u00a9\u2551\u00f5\u2557\u00c7\u00f5\u2563\u00ea\u00da\u00e7\u00e7\u00fe\u00f6\u00bf\u00de\u00e4\u00eb\u00d5\u00e5\u2593\u00d5\u00e0\u00eb\u00b5\u2551\u00c9\u00b5\u2510\u00c7\u00d5\u00e8\u2592\u00de\u00c7\u00ee\u00f5\u00a9\u00ec\u00da\u00e7\u00e7\u00fe\u00f6\u00bf\u00b5\u00a1\u00fa\u00d5\u255d\u00aa\u00b5\u2502\u00f3\u00d5\u00e0\u00eb\u00b5\u2551\u00c9 Basically, whether you want a broadband or single-frequency result, the simulation with pulse source is much faster than using a sinusoidal wave, which will need an initial transient time, and then long steady state time in order to get the result at only a single frequency.\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/195446\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2021-10-22T18:03:27+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2021-11-05T17:13:00+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Reply To: Why FDTD uses pulsed light source excitation instead of sine wave light source\uff1f | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"The Chinese version is here: Ansys Insight: FDTD \u00f5\u00a9\u2551\u00f5\u2557\u00c7\u00f5\u2563\u00ea\u00da\u00e7\u00e7\u00fe\u00f6\u00bf\u00de\u00e4\u00eb\u00d5\u00e5\u2593\u00d5\u00e0\u00eb\u00b5\u2551\u00c9\u00b5\u2510\u00c7\u00d5\u00e8\u2592\u00de\u00c7\u00ee\u00f5\u00a9\u00ec\u00da\u00e7\u00e7\u00fe\u00f6\u00bf\u00b5\u00a1\u00fa\u00d5\u255d\u00aa\u00b5\u2502\u00f3\u00d5\u00e0\u00eb\u00b5\u2551\u00c9 Basically, whether you want a broadband or single-frequency result, the simulation with pulse source is much faster than using a sinusoidal wave, which will need an initial transient time, and then long steady state time in order to get the result at only a single frequency.\" \/>\n\t\t<script type=\"application\/ld+json\" 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\u00f5\u00a9\u2551\u00f5\u2557\u00c7\u00f5\u2563\u00ea\u00da\u00e7\u00e7\u00fe\u00f6\u00bf\u00de\u00e4\u00eb\u00d5\u00e5\u2593\u00d5\u00e0\u00eb\u00b5\u2551\u00c9\u00b5\u2510\u00c7\u00d5\u00e8\u2592\u00de\u00c7\u00ee\u00f5\u00a9\u00ec\u00da\u00e7\u00e7\u00fe\u00f6\u00bf\u00b5\u00a1\u00fa\u00d5\u255d\u00aa\u00b5\u2502\u00f3\u00d5\u00e0\u00eb\u00b5\u2551\u00c9 Basically, whether you want a broadband or single-frequency result, the simulation with pulse source is much faster than using a sinusoidal wave, which will need an initial transient time, and then long steady state time in order to get the result at only a single 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\u00f5\u00a9\u2551\u00f5\u2557\u00c7\u00f5\u2563\u00ea\u00da\u00e7\u00e7\u00fe\u00f6\u00bf\u00de\u00e4\u00eb\u00d5\u00e5\u2593\u00d5\u00e0\u00eb\u00b5\u2551\u00c9\u00b5\u2510\u00c7\u00d5\u00e8\u2592\u00de\u00c7\u00ee\u00f5\u00a9\u00ec\u00da\u00e7\u00e7\u00fe\u00f6\u00bf\u00b5\u00a1\u00fa\u00d5\u255d\u00aa\u00b5\u2502\u00f3\u00d5\u00e0\u00eb\u00b5\u2551\u00c9 Basically, whether you want a broadband or single-frequency result, the simulation with pulse source is much faster than using a sinusoidal wave, which will need an initial transient time, and then long steady state time in order to get the result at only a single frequency.","og:url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/195446\/","article:published_time":"2021-10-22T18:03:27+00:00","article:modified_time":"2021-11-05T17:13:00+00:00","twitter:card":"summary_large_image","twitter:title":"Reply To: Why FDTD uses pulsed light source excitation instead of sine wave light source\uff1f | Ansys Learning Forum","twitter:description":"The Chinese version is here: Ansys Insight: FDTD \u00f5\u00a9\u2551\u00f5\u2557\u00c7\u00f5\u2563\u00ea\u00da\u00e7\u00e7\u00fe\u00f6\u00bf\u00de\u00e4\u00eb\u00d5\u00e5\u2593\u00d5\u00e0\u00eb\u00b5\u2551\u00c9\u00b5\u2510\u00c7\u00d5\u00e8\u2592\u00de\u00c7\u00ee\u00f5\u00a9\u00ec\u00da\u00e7\u00e7\u00fe\u00f6\u00bf\u00b5\u00a1\u00fa\u00d5\u255d\u00aa\u00b5\u2502\u00f3\u00d5\u00e0\u00eb\u00b5\u2551\u00c9 Basically, whether you want a broadband or single-frequency result, the simulation with pulse source is much faster than using a sinusoidal wave, which will need an initial transient time, and then long steady state time in order to get the result at only a single frequency."},"aioseo_meta_data":{"post_id":"195446","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"content","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":true,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":"default","schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"limit_modified_date":false,"created":"2024-10-25 01:43:40","updated":"2026-08-11 20:57:31","ai":null,"breadcrumb_settings":null,"seo_analyzer_scan_date":null},"aioseo_breadcrumb":"<div class=\"aioseo-breadcrumbs\"><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/innovationspace.ansys.com\/forum\" title=\"Home\">Home<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\tReply To: Why FDTD uses pulsed light source excitation instead of sine wave light source\uff1f\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/innovationspace.ansys.com\/forum"},{"label":"Reply To: Why FDTD uses pulsed light source excitation instead of sine wave light 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