{"id":"W4407871874","doi":"10.1007/978-981-96-1078-5_8","title":"The Discrete-Time Fourier Transform","year":2024,"lang":"en","type":"book-chapter","venue":"","topic":"Sensor Technology and Measurement Systems","field":"Computer Science","cited_by":0,"is_retracted":false,"has_abstract":false,"ca_institutions":"Concordia University","funders":"","keywords":"Discrete Fourier transform (general); Non-uniform discrete Fourier transform; Discrete Hartley transform; Discrete-time Fourier transform; Fourier transform; Discrete sine transform; Fractional Fourier transform; Computer science; Mathematics; Fourier analysis; Mathematical analysis","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":["insufficient_payload"],"consensus_categories":[],"category_scores_codex":[0.0003408757,0.000260997,0.0002167172,0.00009668616,0.0001979755,0.0001815776,0.001279904,0.0003771313,0.000132915],"category_scores_gemma":[0.000006093383,0.0001468846,0.0002079721,0.0000396831,0.0001250028,0.00009747846,0.00004812419,0.0004479991,0.004486543],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00004779628,"about_ca_system_score_gemma":0.00004432733,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.000003455246,"about_ca_topic_score_gemma":0.00002128036,"domain_scores_codex":[0.9986233,0.000006712634,0.0002728354,0.0004357871,0.0003995072,0.0002618966],"domain_scores_gemma":[0.998777,0.0000728317,0.0000574183,0.0009965311,0.00004419978,0.00005197476],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"theoretical_or_conceptual","study_design_gemma":"not_applicable","study_design_scores_codex":[0.000001301429,0.000001228739,9.985812e-8,0.00001086524,0.00008832569,0.00001984566,0.00003235124,1.387159e-7,0.00005268856,0.9515874,0.02089544,0.02731034],"study_design_scores_gemma":[0.00004359223,0.00002812437,1.830958e-7,0.00006636343,0.00002192243,0.00002832529,0.000002532235,0.0008555602,0.0004262823,0.2410152,0.7573398,0.0001722195],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":null,"genre_codex":"other","genre_gemma":"other","genre_scores_codex":[2.65385e-7,0.001746961,0.02215171,0.008735192,0.001160862,0.0003219907,0.000003495213,0.0008287951,0.9650507],"genre_scores_gemma":[0.0003683286,0.0001243038,0.0006430976,0.0001512948,0.0001393447,0.0000149811,0.000001925946,0.00002810344,0.9985286],"genre_candidate":"other","genre_consensus":"other","teacher_disagreement_score":0.7364443,"threshold_uncertainty_score":0.9962886,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01807649661056417,"score_gpt":0.2200576489351187,"score_spread":0.2019811523245545,"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."}}