{"id":"W4416961897","doi":"10.1109/ist66504.2025.11268415","title":"Lock-in Demodulation of Pulsed Ultrasonic Signals in High Noise Environments","year":2025,"lang":"","type":"article","venue":"","topic":"Electrical and Bioimpedance Tomography","field":"Engineering","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"Carleton University","funders":"","keywords":"Demodulation; Noise (video); Filter (signal processing); Ultrasonic sensor; SIGNAL (programming language); Electrical impedance tomography; Electronic filter; Pulse (music)","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":"codex-gemma-dda1882f352a","candidate_categories":["metaepi_narrow"],"consensus_categories":[],"category_scores_codex":[0.000225127,0.0002498587,0.0004271923,0.0006733016,0.00001886446,0.00001291884,0.0001774681,0.000235915,0.0003676881],"category_scores_gemma":[0.00003108228,0.0002497738,0.0001219408,0.001990442,0.0000456651,0.0001311856,0.00002826035,0.0002875117,0.00002043993],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001701077,"about_ca_system_score_gemma":0.00002749702,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0003768941,"about_ca_topic_score_gemma":0.0001406158,"domain_scores_codex":[0.9981452,0.00006837667,0.0007697173,0.0003344974,0.0002107224,0.0004715025],"domain_scores_gemma":[0.9994836,0.0001635699,0.00006325376,0.0002251681,0.000009197293,0.00005525403],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"observational","study_design_scores_codex":[0.00008403615,0.0005684915,0.2860945,0.0002630537,0.00008100002,0.000007190727,0.00007062598,0.2336709,0.4352963,0.0005512412,0.00004861575,0.04326403],"study_design_scores_gemma":[0.00152231,0.0001002545,0.6285205,0.0002762559,0.0000319665,2.632087e-7,0.00001776038,0.1474826,0.219368,0.002316774,0.00008176658,0.0002814923],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9856572,0.002038546,0.009234305,0.0001628809,0.0001350469,0.0004285501,0.0000064149,0.00002642827,0.002310683],"genre_scores_gemma":[0.9978666,0.001084629,0.0002944158,0.00005174448,0.00001694017,0.00001827736,0.000008201388,0.00001455774,0.000644651],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.342426,"threshold_uncertainty_score":0.9999955,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.003961594891424702,"score_gpt":0.1973208730379595,"score_spread":0.1933592781465348,"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."}}