{"id":59107,"date":"2024-04-16T01:31:16","date_gmt":"2024-04-16T01:31:16","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=59107"},"modified":"2024-04-16T01:31:16","modified_gmt":"2024-04-16T01:31:16","slug":"polarization-modal-noise-can-the-performance-of-communication-system","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/polarization-modal-noise-can-the-performance-of-communication-system\/","title":{"rendered":"Polarization modal noise can . . . . . . . . the performance of communication system."},"content":{"rendered":"<p>[amp_mcq option1=&#8221;Degrade&#8221; option2=&#8221;Improve&#8221; option3=&#8221;Reduce&#8221; option4=&#8221;Attenuate&#8221; correct=&#8221;option4&#8243;]<!--more--><\/p>\n<p>The correct answer is: Degrade.<\/p>\n<p>Polarization modal noise is a type of noise that can occur in optical fiber communication systems. It is caused by the random variation of the polarization state of light as it travels through the fiber. This variation can cause signal attenuation, crosstalk, and bit errors.<\/p>\n<p>Polarization modal noise can be reduced by using polarization-maintaining fibers, which are designed to maintain the polarization state of light as it travels through the fiber. These fibers are more expensive than conventional fibers, but they can be necessary in applications where polarization modal noise is a significant problem.<\/p>\n<p>Here is a brief explanation of each option:<\/p>\n<ul>\n<li>Degrade: Polarization modal noise can degrade the performance of communication systems by causing signal attenuation, crosstalk, and bit errors.<\/li>\n<li>Improve: Polarization modal noise cannot improve the performance of communication systems.<\/li>\n<li>Reduce: Polarization modal noise can be reduced by using polarization-maintaining fibers.<\/li>\n<li>Attenuate: Polarization modal noise can cause signal attenuation.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>[amp_mcq option1=&#8221;Degrade&#8221; option2=&#8221;Improve&#8221; option3=&#8221;Reduce&#8221; option4=&#8221;Attenuate&#8221; correct=&#8221;option4&#8243;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[684],"tags":[],"class_list":["post-59107","post","type-post","status-publish","format-standard","hentry","category-optical-communication","no-featured-image-padding"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.2 (Yoast SEO v23.3) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Polarization modal noise can . . . . . . . . the performance of communication system.<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/exam.pscnotes.com\/mcq\/polarization-modal-noise-can-the-performance-of-communication-system\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Polarization modal noise can . . . . . . . . the performance of communication system.\" \/>\n<meta property=\"og:description\" content=\"[amp_mcq option1=&#8221;Degrade&#8221; 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