{"id":"W2064524018","doi":"10.1121/1.2943053","title":"Demonstration of coherent gain from synthetic aperture for a midfrequency sonar in shallow water","year":2007,"lang":"en","type":"article","venue":"The Journal of the Acoustical Society of America","topic":"Underwater Acoustics Research","field":"Earth and Planetary Sciences","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Synthetic aperture sonar; Sonar; Geology; Synthetic aperture radar; Marine mammals and sonar; Ridge; Waves and shallow water; Outcrop; Clutter; Remote sensing; Plateau (mathematics); Aperture (computer memory); Acoustics; Oceanography; Computer science; Radar; Telecommunications; Geomorphology; Paleontology; Physics; Mathematics","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":[0.0003016608,0.000204874,0.0001822428,0.0001589105,0.0001574466,0.0002823871,0.0002714174,0.0002832469,0.0009327302],"category_scores_gemma":[0.0006660603,0.000155495,0.00009916975,0.0001494506,0.0003807051,0.000335538,0.0005144125,0.0002526054,0.0003264747],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00012794,"about_ca_system_score_gemma":0.0002727203,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0007239663,"about_ca_topic_score_gemma":0.001206017,"domain_scores_codex":[0.9998295,0.00002442276,0.000004129355,0.00002455914,0.0000837719,0.00003347731],"domain_scores_gemma":[0.9996154,0.0001813864,0.00003209394,0.00003318999,0.00007715225,0.0000608369],"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":[0.0002672761,0.00003872389,0.002197027,0.00003755751,0.00001109516,0.0003351414,0.0002881693,0.001814986,0.9722281,0.001667903,0.0002954349,0.02081857],"study_design_scores_gemma":[0.0001911825,0.001968523,0.02610928,0.00002507578,0.000032223,0.001553515,0.0003187585,0.07561912,0.8853738,0.002014498,0.006730598,0.00006348054],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9437146,0.0001077141,0.0508628,0.0002118784,0.0000315633,0.0000365259,0.0001031173,0.000402007,0.004529773],"genre_scores_gemma":[0.9584322,0.00007565079,0.03940028,0.00005432163,0.00001513075,0.00001836061,0.00007930676,0.00002993159,0.00189485],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.0009327302,"threshold_uncertainty_score":0.003120244,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01958908382921329,"score_gpt":0.2547543465391784,"score_spread":0.2351652627099651,"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."}}