{"id":31298,"date":"2003-01-01T20:02:58","date_gmt":"2003-01-01T20:02:58","guid":{"rendered":"https:\/\/silvaco.com\/%eb%b6%84%eb%a5%98%eb%90%98%ec%a7%80-%ec%95%8a%ec%9d%8c\/getting-an-accurate-fft-spectral-plot-in-smartspice\/"},"modified":"2026-10-15T14:29:26","modified_gmt":"2026-10-15T21:29:26","slug":"getting-an-accurate-fft-spectral-plot-in-smartspice","status":"publish","type":"post","link":"https:\/\/silvaco.com\/ko\/simulation-standard-ko\/getting-an-accurate-fft-spectral-plot-in-smartspice\/","title":{"rendered":"Getting an Accurate FFT Spectral Plot in SmartSpice"},"content":{"rendered":"<h1>Getting an Accurate FFT Spectral Plot in SmartSpice<\/h1>\n<h3>Introduction<\/h3>\n<p>The transient simulation uses an adaptive time-stepping algorithm depending on the change in the circuit waveforms (dV\/dT). This means the simulated waveform consists of uneven time steps (more time points are required round a rapidly changing voltage to define the detail). If the normal .FFT command is used, these varying time points need to be interpolated to a regular set to allow the FFT plot to be created.<\/p>\n<p><img loading=\"lazy\" width=\"644\" height=\"800\" src=\"https:\/\/silvaco.com\/wp-content\/uploads\/simulationstandard\/simstd_jan_2003_hints-e1611193704223.jpg\" class=\"cleaned-enfold-image\" alt=\"\" decoding=\"async\" loading=\"lazy\" \/><\/p>\n<p><a href=\"https:\/\/silvaco.com\/dynamicweb\/jsp\/downloads\/DownloadDocStepsAction.do?req=download&#038;nm=simstd_jan_2003_hints.pdf\" class=\"BGT-btn\" target=\"_blank\" rel=\"noopener noreferrer\">Download Simulation Standard<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The transient simulation uses an adaptive time-stepping algorithm depending on the change in the circuit waveforms (dV\/dT). This means the simulated waveform consists of uneven time steps (more time points are required round a rapidly changing voltage to define the detail). If the normal .FFT command is used, these varying time points need to be interpolated to a regular set to allow the FFT plot to be created.<\/p>\n","protected":false},"author":12,"featured_media":21873,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[7486],"tags":[],"class_list":["post-31298","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-simulation-standard-ko","entry","has-media"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.7 (Yoast SEO v28.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Getting an Accurate FFT Spectral Plot in SmartSpice - Silvaco<\/title>\n<meta name=\"description\" content=\"Getting an Accurate FFT Spectral Plot in SmartSpice\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/silvaco.com\/ko\/simulation-standard-ko\/getting-an-accurate-fft-spectral-plot-in-smartspice\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Getting an Accurate FFT Spectral Plot in SmartSpice\" \/>\n<meta property=\"og:description\" content=\"Getting an Accurate FFT Spectral Plot in SmartSpice\" \/>\n<meta property=\"og:url\" content=\"https:\/\/silvaco.com\/ko\/simulation-standard-ko\/getting-an-accurate-fft-spectral-plot-in-smartspice\/\" \/>\n<meta property=\"og:site_name\" content=\"Silvaco\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/SilvacoSoftware\/\" \/>\n<meta property=\"article:published_time\" content=\"2003-01-01T20:02:58+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-10-15T21:29:26+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/silvaco.com\/wp-content\/uploads\/simulationstandard\/simstd_jan_2003_hints-e1611193704223.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"644\" \/>\n\t<meta property=\"og:image:height\" content=\"800\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Casey Molver\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@SilvacoSoftware\" \/>\n<meta name=\"twitter:site\" content=\"@SilvacoSoftware\" \/>\n<meta name=\"twitter:label1\" content=\"\uae00\uc4f4\uc774\" \/>\n\t<meta name=\"twitter:data1\" content=\"Casey Molver\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/silvaco.com\\\/ko\\\/simulation-standard-ko\\\/getting-an-accurate-fft-spectral-plot-in-smartspice\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/silvaco.com\\\/ko\\\/simulation-standard-ko\\\/getting-an-accurate-fft-spectral-plot-in-smartspice\\\/\"},\"author\":{\"name\":\"Casey Molver\",\"@id\":\"https:\\\/\\\/silvaco.com\\\/ja\\\/#\\\/schema\\\/person\\\/2763eb741ca5ac04477fdff50ed84c80\"},\"headline\":\"Getting an Accurate FFT Spectral Plot in SmartSpice\",\"datePublished\":\"2003-01-01T20:02:58+00:00\",\"dateModified\":\"2026-10-15T21:29:26+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/silvaco.com\\\/ko\\\/simulation-standard-ko\\\/getting-an-accurate-fft-spectral-plot-in-smartspice\\\/\"},\"wordCount\":89,\"image\":{\"@id\":\"https:\\\/\\\/silvaco.com\\\/ko\\\/simulation-standard-ko\\\/getting-an-accurate-fft-spectral-plot-in-smartspice\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/silvaco.com\\\/wp-content\\\/uploads\\\/simulationstandard\\\/simstd_jan_2003_hints-e1611193704223.jpg\",\"articleSection\":[\"Simulation Standard\"],\"inLanguage\":\"ko-KR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/silvaco.com\\\/ko\\\/simulation-standard-ko\\\/getting-an-accurate-fft-spectral-plot-in-smartspice\\\/\",\"url\":\"https:\\\/\\\/silvaco.com\\\/ko\\\/simulation-standard-ko\\\/getting-an-accurate-fft-spectral-plot-in-smartspice\\\/\",\"name\":\"Getting an Accurate FFT Spectral Plot in SmartSpice - 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