{"id":"W2135520952","doi":"10.1109/pimrc.2003.1264359","title":"Narrowband and and wideband radio channel characteristics in underground mining environments at 2.4 GHZ","year":2004,"lang":"en","type":"article","venue":"","topic":"Millimeter-Wave Propagation and Modeling","field":"Engineering","cited_by":10,"is_retracted":false,"has_abstract":true,"ca_institutions":"Institut National de la Recherche Scientifique","funders":"","keywords":"Narrowband; Wideband; Delay spread; Radio channel; Path loss; Channel (broadcasting); Power delay profile; Acoustics; Electronic engineering; Computer science; Engineering; Fading; Telecommunications; Physics; Wireless","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":[],"consensus_categories":[],"category_scores_codex":[0.00008225955,0.000122697,0.0001383388,0.00007029514,0.0000515921,0.00003235662,0.00002594658,0.00005812642,0.00004128254],"category_scores_gemma":[0.000007375258,0.0001229271,0.00001061622,0.00003477167,0.00002746704,0.0001075065,0.00003187644,0.00006517285,0.000009270605],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00008408557,"about_ca_system_score_gemma":0.000003451,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00001406584,"about_ca_topic_score_gemma":0.00004498765,"domain_scores_codex":[0.9994181,0.000006785468,0.0001789842,0.0001567123,0.00007164038,0.0001677659],"domain_scores_gemma":[0.9998096,0.00001632149,0.00001752216,0.00007564285,0.000002533551,0.00007836842],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"simulation_or_modeling","study_design_scores_codex":[0.0001561642,0.0002191564,0.03007833,0.0008660644,0.0002946839,0.0002272101,0.02453639,0.05993472,0.8551295,0.0003569865,0.0003872211,0.02781355],"study_design_scores_gemma":[0.02056491,0.0005117772,0.1106458,0.0009535201,0.0001723131,0.0008588275,0.002773785,0.5921593,0.2540673,0.005714849,0.007457016,0.004120612],"study_design_candidate":"bench_or_experimental","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9373336,0.0005081866,0.06128459,0.00006510707,0.00007321181,0.00009067371,0.000002669859,0.00003713038,0.0006048045],"genre_scores_gemma":[0.9974433,0.0007215781,0.001320382,0.00008064667,0.00002358514,0.000006021394,0.000008902433,0.00002156583,0.0003739939],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.6010622,"threshold_uncertainty_score":0.5012822,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01309310944876171,"score_gpt":0.187151939862118,"score_spread":0.1740588304133563,"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."}}