{"id":"W2000798228","doi":"10.1016/j.sigpro.2007.12.014","title":"Estimation of the instantaneous amplitude and frequency of non-stationary short-time signals","year":2008,"lang":"en","type":"article","venue":"Signal Processing","topic":"Advanced Electrical Measurement Techniques","field":"Engineering","cited_by":27,"is_retracted":false,"has_abstract":false,"ca_institutions":"Hydro-Québec","funders":"","keywords":"Amplitude; Instantaneous phase; Speech recognition; Time–frequency analysis; Acoustics; Computer science; Mathematics; Algorithm; Telecommunications; Physics; Optics","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0003041162,0.0005050867,0.0004359457,0.001045138,0.0001545839,0.0004293357,0.0003360515,0.0004644279,0.001107197],"category_scores_gemma":[0.00193191,0.000137909,0.0002201162,0.0005989056,0.0001522785,0.000677922,0.0002178826,0.0003960151,0.0006300912],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001024884,"about_ca_system_score_gemma":0.0002132876,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0004206632,"about_ca_topic_score_gemma":0.0005499062,"domain_scores_codex":[0.9998304,0.00002407633,0.00001115902,0.00003753399,0.00007940748,0.00001742454],"domain_scores_gemma":[0.999413,0.0002680977,0.00006775934,0.00006350183,0.0001598252,0.00002779274],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"design_other","study_design_gemma":"simulation_or_modeling","study_design_scores_codex":[0.0003296693,0.0001056314,0.00507571,0.0002802938,0.00007426743,0.0001314823,0.0000694775,0.01387522,0.2863436,0.003050995,0.001016484,0.6896472],"study_design_scores_gemma":[0.00003154562,0.0003310904,0.05430904,0.00005492674,0.0001606016,0.0009898499,0.0000924734,0.6987247,0.2300678,0.006661175,0.008512768,0.00006403375],"study_design_candidate":"simulation_or_modeling","study_design_consensus":null,"genre_codex":"methods","genre_gemma":"empirical","genre_scores_codex":[0.05859259,0.0006552605,0.9387038,0.00008893529,0.00009590472,0.00002988349,0.0001786239,0.000407626,0.001247473],"genre_scores_gemma":[0.6370057,0.001560004,0.3555849,0.00007757575,0.0002756636,0.00005431928,0.0009962439,0.0001335079,0.004312104],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.001107197,"threshold_uncertainty_score":0.003703892,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01540642774866393,"score_gpt":0.242766447155683,"score_spread":0.2273600194070191,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}