{"id":3654,"date":"2025-09-22T00:15:33","date_gmt":"2025-09-22T00:15:33","guid":{"rendered":"https:\/\/172-234-197-23.ip.linodeusercontent.com\/?p=3654"},"modified":"2025-09-22T13:46:58","modified_gmt":"2025-09-22T13:46:58","slug":"where-it-breaks-cartography-of-failure-boundaries-insnr-%e2%88%86f-q-space","status":"publish","type":"post","link":"https:\/\/172-234-197-23.ip.linodeusercontent.com\/?p=3654","title":{"rendered":"Where It Breaks: Cartography of Failure Boundaries in SNR\u2013\u2206f\u2013Q Space"},"content":{"rendered":"\n<figure class=\"wp-block-embed is-type-wp-embed is-provider-spectrcyde wp-block-embed-spectrcyde\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"KzgdLS6g7C\"><a href=\"https:\/\/172-234-197-23.ip.linodeusercontent.com\/?page_id=3651\">Where It Breaks: Cartography of Failure Boundaries inSNR\u2013\u2206f\u2013Q Space<\/a><\/blockquote><iframe class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"&#8220;Where It Breaks: Cartography of Failure Boundaries inSNR\u2013\u2206f\u2013Q Space&#8221; &#8212; Spectrcyde\" src=\"https:\/\/172-234-197-23.ip.linodeusercontent.com\/?page_id=3651&#038;embed=true#?secret=qgerl1Ge3T#?secret=KzgdLS6g7C\" data-secret=\"KzgdLS6g7C\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\n<\/div><\/figure>\n\n\n\n<p>In RF demodulation pipelines, system failure is often characterised by the emergence of<br>ghost modes and a collapse of true detections. These \u201cfailure rims\u201d occupy narrow regions<br>of a high-dimensional parameter space spanned by signal-to-noise ratio (SNR), frequency offset \u2206f, amplitude modulation depth (AM) and the Q factor of the analog front end. Mapping such rims with exhaustive sweeps is prohibitively expensive. This paper demonstrates<br>how uncertainty-seeking acquisition coupled with surrogate models can be used to chart failure<br>boundaries efficiently. A synthetic benchmark illustrates failure rims in three parameter planes:<br>SNR \u00d7 \u2206f, SNR \u00d7 AM, and \u2206f \u00d7 Q. Contour plots reveal how ghost hit rates rise and true<br>hit rates collapse along distinct ridges, providing actionable insights for tuning RF pipelines.<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>In RF demodulation pipelines, system failure is often characterised by the emergence ofghost modes and a collapse of true detections. These \u201cfailure rims\u201d occupy narrow regionsof a high-dimensional parameter space spanned by signal-to-noise ratio (SNR), frequency offset \u2206f, amplitude modulation depth (AM) and the Q factor of the analog front end. Mapping such rims with&hellip;&nbsp;<a href=\"https:\/\/172-234-197-23.ip.linodeusercontent.com\/?p=3654\" rel=\"bookmark\"><span class=\"screen-reader-text\">Where It Breaks: Cartography of Failure Boundaries in SNR\u2013\u2206f\u2013Q Space<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":2541,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","footnotes":""},"categories":[10],"tags":[],"class_list":["post-3654","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-signal_scythe"],"_links":{"self":[{"href":"https:\/\/172-234-197-23.ip.linodeusercontent.com\/index.php?rest_route=\/wp\/v2\/posts\/3654","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/172-234-197-23.ip.linodeusercontent.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/172-234-197-23.ip.linodeusercontent.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/172-234-197-23.ip.linodeusercontent.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/172-234-197-23.ip.linodeusercontent.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3654"}],"version-history":[{"count":4,"href":"https:\/\/172-234-197-23.ip.linodeusercontent.com\/index.php?rest_route=\/wp\/v2\/posts\/3654\/revisions"}],"predecessor-version":[{"id":3659,"href":"https:\/\/172-234-197-23.ip.linodeusercontent.com\/index.php?rest_route=\/wp\/v2\/posts\/3654\/revisions\/3659"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/172-234-197-23.ip.linodeusercontent.com\/index.php?rest_route=\/wp\/v2\/media\/2541"}],"wp:attachment":[{"href":"https:\/\/172-234-197-23.ip.linodeusercontent.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3654"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/172-234-197-23.ip.linodeusercontent.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3654"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/172-234-197-23.ip.linodeusercontent.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3654"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}