{"id":"W1968299868","doi":"10.1049/iet-map.2011.0225","title":"Review of the microstrip/negative-refractive-index transmission-line coupled-line coupler","year":2012,"lang":"en","type":"article","venue":"IET Microwaves Antennas & Propagation","topic":"Microwave Engineering and Waveguides","field":"Engineering","cited_by":7,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Toronto","funders":"","keywords":"Hybrid coupler; Rat-race coupler; Microstrip; Directivity; Magic tee; Optics; Power dividers and directional couplers; Output coupler; Transmission line; Port (circuit theory); Physics; Wavelength; Coupling (piping); Materials science; Electronic engineering; Engineering; Electrical engineering; Antenna (radio)","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":[0.0009003853,0.0006893418,0.0008253212,0.001310396,0.0002532092,0.0008821725,0.001080251,0.0009212357,0.002860584],"category_scores_gemma":[0.0008039733,0.0004691936,0.0003750254,0.001538426,0.0004713869,0.001392338,0.0004094826,0.000898214,0.00322262],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0004729432,"about_ca_system_score_gemma":0.0004197641,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0004566592,"about_ca_topic_score_gemma":0.0004679178,"domain_scores_codex":[0.9995893,0.00005840518,0.00006011228,0.0001135489,0.0001552277,0.00002349334],"domain_scores_gemma":[0.9994987,0.0002159907,0.00007708397,0.00003157521,0.0001469357,0.00002971019],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"design_other","study_design_gemma":"not_applicable","study_design_scores_codex":[0.0001345716,0.0001970718,0.0004114939,0.01324479,0.00007477734,0.000564901,0.0001455416,0.002515961,0.03431412,0.02159571,0.01835841,0.9084426],"study_design_scores_gemma":[0.000008871626,0.0002792369,0.00061142,0.0007352158,0.00005004657,0.001523328,0.00003651798,0.0009751786,0.01172841,0.00142526,0.9825913,0.00003518893],"study_design_candidate":"not_applicable","study_design_consensus":null,"genre_codex":"review","genre_gemma":"review","genre_scores_codex":[0.002625114,0.974837,0.009253561,0.0004359403,0.0008870972,0.00002953185,0.00004168933,0.00006866064,0.01182141],"genre_scores_gemma":[0.01415484,0.9621642,0.0121455,0.0005339623,0.001206164,0.00004936348,0.0001267617,0.00003043616,0.009588861],"genre_candidate":"review","genre_consensus":"review","teacher_disagreement_score":0.002860584,"threshold_uncertainty_score":0.009569585,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01369486455257177,"score_gpt":0.2408636951900419,"score_spread":0.2271688306374701,"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."}}