{"id":"W1986240335","doi":"10.1121/1.4899685","title":"The Fessenden Oscillator: The first sonar transducer","year":2014,"lang":"en","type":"article","venue":"The Journal of the Acoustical Society of America","topic":"Underwater Vehicles and Communication Systems","field":"Engineering","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Electromagnetic coil; Transducer; Acoustics; Submarine; Underwater; Sonar; Polarization (electrochemistry); Electrical engineering; Telecommunications; Geology; Computer science; Marine engineering; Physics; Engineering; Oceanography","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":false,"about_ca":true,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0009006535,0.0006532344,0.0005163569,0.0006231195,0.0004765486,0.001060109,0.0007016888,0.001449589,0.006344709],"category_scores_gemma":[0.0013655,0.0004859507,0.0003016418,0.0004640027,0.0009127972,0.001599247,0.0006686252,0.001341099,0.00361454],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00101112,"about_ca_system_score_gemma":0.001474339,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.003640521,"about_ca_topic_score_gemma":0.00258467,"domain_scores_codex":[0.9991918,0.00005610444,0.00002521957,0.0001760368,0.0004746685,0.00007616353],"domain_scores_gemma":[0.9995079,0.00006722233,0.00001835614,0.00002778901,0.0003232693,0.00005552053],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"design_other","study_design_gemma":"not_applicable","study_design_scores_codex":[0.0006815686,0.00008978646,0.001474957,0.0006102655,0.00003296413,0.0005501945,0.001069938,0.003049024,0.2111898,0.08291823,0.06255891,0.6357744],"study_design_scores_gemma":[0.00005291894,0.0004291707,0.001229565,0.0001741887,0.00003474987,0.0009848757,0.0001396998,0.005936551,0.06468892,0.002923277,0.9233146,0.00009145212],"study_design_candidate":"not_applicable","study_design_consensus":null,"genre_codex":"methods","genre_gemma":"other","genre_scores_codex":[0.07859836,0.03925549,0.5979447,0.008186726,0.01409133,0.0006474853,0.001957806,0.004943439,0.2543747],"genre_scores_gemma":[0.3388563,0.01814819,0.2629552,0.001849369,0.002140576,0.0002510568,0.001399003,0.0007847323,0.3736156],"genre_candidate":"other","genre_consensus":null,"teacher_disagreement_score":0.006344709,"threshold_uncertainty_score":0.02122515,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.009319506258568932,"score_gpt":0.2082269014984147,"score_spread":0.1989073952398458,"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."}}