{"id":"S85109036","label":"Pulse-duration modulation","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85109036","normalized_label":"pulse-duration modulation","broader":["http://id.loc.gov/authorities/subjects/sh85109040"],"aliases":["Pulse-length modulation","Pulse-width modulation"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85109036","provider":"lcsh","revision":"ba049aae5d64d93a","taxonomy_revision":"f050b5d4780b1289","title":"Pulse-duration modulation","url":"/topics/S85109036","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9549953654539290112","address_version":"morton4x16-v1","coordinates":[0,20,19108,45056],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}