{"id":"W2592893165","doi":"","title":"Hexagonal Fresnel zone plate antenna","year":2006,"lang":"en","type":"article","venue":"International Symposium on Antenna Technology and Applied Electromagnetics","topic":"Antenna Design and Optimization","field":"Engineering","cited_by":9,"is_retracted":false,"has_abstract":true,"ca_institutions":"Communications Research Centre Canada; Carleton University","funders":"","keywords":"Zone plate; Beamwidth; Optics; Fresnel zone antenna; Hexagonal crystal system; Directivity; Antenna (radio); Fresnel zone; RADIUS; Antenna aperture; Physics; Antenna measurement; Radiation pattern; Computer science; Telecommunications; Slot antenna; Diffraction","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":[0.0001860754,0.000345074,0.0004325801,0.0002775886,0.0001565145,0.0005976919,0.0006798689,0.0004179054,0.003195919],"category_scores_gemma":[0.0004017506,0.0001313528,0.0002396786,0.0004918015,0.0002193167,0.0003954168,0.0003545115,0.0003195361,0.001280135],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000367054,"about_ca_system_score_gemma":0.0003118113,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0006977035,"about_ca_topic_score_gemma":0.000431541,"domain_scores_codex":[0.9997118,0.00005842588,0.00001240329,0.00003316192,0.0001346751,0.00004950484],"domain_scores_gemma":[0.9995227,0.00008389095,0.00006481385,0.000090826,0.0001864041,0.00005137923],"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":[0.001798725,0.0001505212,0.003640557,0.0004143007,0.0001483357,0.0007278069,0.00010045,0.06030925,0.5009843,0.03503666,0.00778784,0.3889013],"study_design_scores_gemma":[0.0001438641,0.001623378,0.004768173,0.00003044924,0.0001279793,0.003597813,0.0001156452,0.4285363,0.5205118,0.002919301,0.03750299,0.0001221769],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"methods","genre_gemma":"empirical","genre_scores_codex":[0.1775431,0.0008230484,0.7833391,0.0003649828,0.0005443878,0.0001068097,0.0002959825,0.003048378,0.03393421],"genre_scores_gemma":[0.6746139,0.0005117104,0.3136362,0.0001476269,0.0001184641,0.00005663572,0.0001918258,0.00008260765,0.01064105],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.003195919,"threshold_uncertainty_score":0.0106914,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.003217015689543251,"score_gpt":0.1782950394844957,"score_spread":0.1750780237949524,"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."}}