{"id":"W2324418056","doi":"10.1109/tap.2014.2354674","title":"Null Forming in Circularly Polarized Antenna Patterns Using Reactive Loading of Multi-Arm Archimedean Spiral Antenna","year":2014,"lang":"en","type":"article","venue":"IEEE Transactions on Antennas and Propagation","topic":"Advanced Antenna and Metasurface Technologies","field":"Engineering","cited_by":7,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Calgary","funders":"","keywords":"Physics; Null (SQL); Optics; Radiation pattern; Antenna (radio); Spiral antenna; Spiral (railway); Acoustics; Coaxial antenna; Computer science; Telecommunications; Mathematics","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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0001392923,0.0003542029,0.0001643512,0.00022799,0.0001507601,0.0005430569,0.0002966795,0.0002747539,0.0007972402],"category_scores_gemma":[0.0004227613,0.0002370989,0.0001722172,0.0002207526,0.0004588897,0.0004122008,0.0004045802,0.0001610653,0.0003549852],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002254387,"about_ca_system_score_gemma":0.000135656,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00009509218,"about_ca_topic_score_gemma":0.0001592409,"domain_scores_codex":[0.9998578,0.00003675059,0.000008582019,0.00002913367,0.00004864178,0.0000190661],"domain_scores_gemma":[0.9996467,0.00007059512,0.0001056978,0.00008255193,0.0000698968,0.00002458888],"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":[0.0003258126,0.00005975585,0.001711803,0.00007662814,0.00001450132,0.0002791545,0.0003405921,0.02185774,0.9135957,0.01810867,0.0005016545,0.04312796],"study_design_scores_gemma":[0.00008570788,0.0005569582,0.00283729,0.00003292707,0.00002436881,0.0008287213,0.0001956224,0.2697554,0.7073051,0.009576395,0.008730444,0.00007108673],"study_design_candidate":"simulation_or_modeling","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.7555181,0.000132616,0.2246736,0.0001468589,0.00005314496,0.00002561525,0.00004460554,0.0005409604,0.01886442],"genre_scores_gemma":[0.9488415,0.00006943593,0.04749281,0.00003214731,0.000007893806,0.00002421684,0.00003330581,0.0000509139,0.003447811],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.0007972402,"threshold_uncertainty_score":0.002667069,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.026362083197674,"score_gpt":0.2504562717324044,"score_spread":0.2240941885347304,"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."}}