{"id":130988,"date":"2021-09-24T07:53:03","date_gmt":"2021-09-24T07:53:03","guid":{"rendered":"https:\/\/www.healthbenefitstimes.com\/glossary\/?p=130988"},"modified":"2023-07-21T07:28:22","modified_gmt":"2023-07-21T07:28:22","slug":"doppler-effect","status":"publish","type":"post","link":"https:\/\/www.healthbenefitstimes.com\/glossary\/doppler-effect\/","title":{"rendered":"Doppler effect"},"content":{"rendered":"<p>A change in the observed frequency of a wave that occurs when the source and the observer are moving relative to each other.<\/p>\n<hr \/>\n<p>The variation of the apparent frequency of waves, such as sound waves, with change in distance between the source and the receiver. The frequency seems to increase as the distance decreases and to decrease as the distance increases.<\/p>\n<hr \/>\n<div class=\"group w-full text-gray-800 dark:text-gray-100 border-b border-black\/10 dark:border-gray-900\/50 bg-gray-50 dark:bg-[#444654] sm:AIPRM__conversation__response\">\n<div class=\"flex p-4 gap-4 text-base md:gap-6 md:max-w-2xl lg:max-w-[38rem] xl:max-w-3xl md:py-6 lg:px-0 m-auto\">\n<div class=\"relative flex w-[calc(100%-50px)] flex-col gap-1 md:gap-3 lg:w-[calc(100%-115px)]\">\n<div class=\"flex flex-grow flex-col gap-3\">\n<div class=\"min-h-[20px] flex items-start overflow-x-auto whitespace-pre-wrap break-words flex-col gap-4\">\n<div class=\"markdown prose w-full break-words dark:prose-invert light AIPRM__conversation__response\">\n<p>When a source of sound is moving quickly relative to an observer, it causes a shift in the frequency of the sound waves reaching the observer. If the source is approaching, the sound appears to have a higher pitch (frequency) compared to when the source is moving away. This happens because the wavelengths of sounds from an approaching source become shorter and compressed, while those from a receding source become longer and stretched.<\/p>\n<hr \/>\n<p>Various medical ultrasound scanning techniques make use of the Doppler effect.<\/p>\n<hr \/>\n<p>&nbsp;<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>A change in the observed frequency of a wave that occurs when the source and the observer are moving relative to each other. The variation of the apparent frequency of waves, such as sound waves, with change in distance between the source and the receiver. The frequency seems to increase as the distance decreases and [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-130988","post","type-post","status-publish","format-standard","hentry","category-d"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Doppler effect - Definition of Doppler effect<\/title>\n<meta name=\"description\" content=\"A change in the observed frequency of a wave that occurs when the source and the observer are moving relative to each other.The variation of the apparent frequency of waves, such as sound waves, with change in distance between the source and the receiver. The frequency seems to increase as the distance decreases and to decrease as the distance increases.When a source of sound is moving quickly relative to an observer, it causes a shift in the frequency of the sound waves reaching the observer. If the source is approaching, the sound appears to have a higher pitch (frequency) compared to when the source is moving away. This happens because the wavelengths of sounds from an approaching source become shorter and compressed, while those from a receding source become longer and stretched.Various medical ultrasound scanning techniques make use of the Doppler effect.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.healthbenefitstimes.com\/glossary\/doppler-effect\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Doppler effect - Definition of Doppler effect\" \/>\n<meta property=\"og:description\" content=\"A change in the observed frequency of a wave that occurs when the source and the observer are moving relative to each other.The variation of the apparent frequency of waves, such as sound waves, with change in distance between the source and the receiver. The frequency seems to increase as the distance decreases and to decrease as the distance increases.When a source of sound is moving quickly relative to an observer, it causes a shift in the frequency of the sound waves reaching the observer. If the source is approaching, the sound appears to have a higher pitch (frequency) compared to when the source is moving away. 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The frequency seems to increase as the distance decreases and to decrease as the distance increases.When a source of sound is moving quickly relative to an observer, it causes a shift in the frequency of the sound waves reaching the observer. If the source is approaching, the sound appears to have a higher pitch (frequency) compared to when the source is moving away. 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