{"id":"W1583959742","doi":"","title":"EFFECT OF THE GROUND SURFACE AND METEOROLOGICAL CONDITIONS ON THE ACTIVE CONTROL OF A MONOPOLE NOISE SOURCE","year":2003,"lang":"en","type":"article","venue":"Canadian acoustics","topic":"Acoustic Wave Phenomena Research","field":"Engineering","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of British Columbia","funders":"Pennsylvania State University; University of Pennsylvania","keywords":"Refraction; Noise (video); Inversion (geology); Acoustics; Environmental science; Ground effect (cars); Noise control; Channel (broadcasting); Geology; Physics; Engineering; Optics; Noise reduction; Seismology; Computer science; Telecommunications","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":true,"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":[0.0001374313,0.0002808855,0.0002826257,0.0001699366,0.0002550979,0.0003539211,0.0001617527,0.0003018055,0.001707841],"category_scores_gemma":[0.001008137,0.0001513415,0.0001807692,0.0001200276,0.0002980298,0.0002486117,0.0002393564,0.0002603961,0.0002218092],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001864973,"about_ca_system_score_gemma":0.0002243522,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.003983763,"about_ca_topic_score_gemma":0.003817924,"domain_scores_codex":[0.9998616,0.00002151959,0.000007222995,0.00002546892,0.00003841348,0.00004576167],"domain_scores_gemma":[0.9989989,0.000629184,0.00008935389,0.00004457423,0.0001293878,0.0001086351],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.003729877,0.0003266424,0.01512307,0.0001184951,0.00008665833,0.0005872698,0.0001147366,0.02622626,0.9406728,0.0001230279,0.0001570641,0.01273407],"study_design_scores_gemma":[0.0002850727,0.004451073,0.2279501,0.00002565885,0.0003420028,0.0004920972,0.0004320767,0.06854785,0.6961548,0.0002174439,0.001020296,0.00008150523],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9985813,0.00005093171,0.0007192557,0.0000145698,0.00001194437,0.000003494896,0.000041132,0.00001983757,0.0005576197],"genre_scores_gemma":[0.9995399,0.00003717548,0.00014578,0.000007926651,0.000002843114,0.000001748074,0.00003717034,0.000006999542,0.0002206065],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.003983763,"threshold_uncertainty_score":0.007921159,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.008592581578218109,"score_gpt":0.2191977238002636,"score_spread":0.2106051422220455,"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."}}