{"id":4653,"date":"2025-11-11T02:52:07","date_gmt":"2025-11-11T02:52:07","guid":{"rendered":"https:\/\/172-234-197-23.ip.linodeusercontent.com\/?p=4653"},"modified":"2025-11-11T02:52:07","modified_gmt":"2025-11-11T02:52:07","slug":"short-signal-resilience-learned-heads-and-policy-boundaries-for-n-32-iq-classification","status":"publish","type":"post","link":"https:\/\/172-234-197-23.ip.linodeusercontent.com\/?p=4653","title":{"rendered":"Short-Signal Resilience: Learned Heads and Policy Boundaries for N &lt; 32 IQ Classification"},"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=\"eHxQUCY3WX\"><a href=\"https:\/\/172-234-197-23.ip.linodeusercontent.com\/?page_id=4650\">Short-Signal Resilience: Learned Heads and Policy Boundaries for N &lt; 32 IQ Classification<\/a><\/blockquote><iframe class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"&#8220;Short-Signal Resilience: Learned Heads and Policy Boundaries for N &lt; 32 IQ Classification&#8221; &#8212; Spectrcyde\" src=\"https:\/\/172-234-197-23.ip.linodeusercontent.com\/?page_id=4650&#038;embed=true#?secret=X8uAXl2zbB#?secret=eHxQUCY3WX\" data-secret=\"eHxQUCY3WX\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\n<\/div><\/figure>\n\n\n\n<p>RF signal classification systems frequently encounter sequences shorter than their expected minimum length due<br>to hardware constraints, burst transmissions, or time-critical<br>applications. Traditional ensemble classifiers handle this by<br>strict abstention\u2014returning control to hierarchical fallback<br>methods when N &lt; 32. While conservative, this approach<br>sacrifices potential classification opportunities and reduces<br>system coverage.<br>We address this limitation through a systematic evaluation<br>of short-signal policies and introduce a learned short-signal<br>head that actively classifies truncated IQ sequences. Our<br>contribution is a policy-driven integration that converts shortIQ corner cases from &#8220;abstain&#8221; into a tunable operating point<br>on the accuracy-coverage frontier. The learned head is a<br>vehicle for that policy, not the main act. We provide the knobs<br>(\u03c4 , N targets, padding\/backoff) and the evaluation harness<br>that lets operators select the best point for their channel and<br>latency budgets.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>RF signal classification systems frequently encounter sequences shorter than their expected minimum length dueto hardware constraints, burst transmissions, or time-criticalapplications. Traditional ensemble classifiers handle this bystrict abstention\u2014returning control to hierarchical fallbackmethods when N &lt; 32. While conservative, this approachsacrifices potential classification opportunities and reducessystem coverage.We address this limitation through a systematic evaluationof short-signal policies and&hellip;&nbsp;<a href=\"https:\/\/172-234-197-23.ip.linodeusercontent.com\/?p=4653\" rel=\"bookmark\"><span class=\"screen-reader-text\">Short-Signal Resilience: Learned Heads and Policy Boundaries for N &lt; 32 IQ Classification<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":2703,"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":[6,10],"tags":[],"class_list":["post-4653","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-signal-science","category-signal_scythe"],"_links":{"self":[{"href":"https:\/\/172-234-197-23.ip.linodeusercontent.com\/index.php?rest_route=\/wp\/v2\/posts\/4653","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=4653"}],"version-history":[{"count":1,"href":"https:\/\/172-234-197-23.ip.linodeusercontent.com\/index.php?rest_route=\/wp\/v2\/posts\/4653\/revisions"}],"predecessor-version":[{"id":4654,"href":"https:\/\/172-234-197-23.ip.linodeusercontent.com\/index.php?rest_route=\/wp\/v2\/posts\/4653\/revisions\/4654"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/172-234-197-23.ip.linodeusercontent.com\/index.php?rest_route=\/wp\/v2\/media\/2703"}],"wp:attachment":[{"href":"https:\/\/172-234-197-23.ip.linodeusercontent.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4653"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/172-234-197-23.ip.linodeusercontent.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4653"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/172-234-197-23.ip.linodeusercontent.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4653"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}