# ECE 542: Introduction to Microelectromechanical Systems | UW–Madison [View on UW Courses](https://uwcourses.com/courses/ECE_542) ## Dataset ### revision e243353dcb7d79b7247ced91d69443ef4c2a6349 ### repository twangodev/uwcourses ### schema version 6 ### importer version 7 ### projection id 52a78527ff09011d88cb04c7d43867d9fbfec2930bf1dd2ec359ebd2844e0b07 ### observed at 2026-09-07T15:55:43.033547+00:00 ### built at 2026-09-10T19:50:42.743001+00:00 ### courses 8951 ### current instructors 5754 ### limited false ### terms * 1272 * 1264 * 1262 * 1254 * 1252 * 1244 * 1242 * 1234 * 1232 * 1224 * 1222 * 1212 * 1204 * 1202 * 1194 * 1192 * 1184 * 1182 * 1174 * 1172 * 1164 * 1162 * 1154 * 1152 * 1144 * 1142 * 1134 * 1132 * 1124 * 1122 * 1114 * 1112 * 1104 * 1102 * 1094 * 1092 * 1084 * 1082 * 1074 * 1072 ### term 1272 ### departments | subject | count | | --------- | ----- | | AAE | 90 | | ABT | 20 | | ACCTIS | 36 | | ACTSCI | 14 | | AFAERO | 10 | | AFRICAN | 87 | | AFROAMER | 71 | | AGROECOL | 21 | | AMERIND | 53 | | ANAT\&PHY | 7 | | ANATOMY | 2 | | ANESTHES | 8 | | ANSCI | 57 | | ANTHRO | 95 | | ART | 125 | | ARTED | 10 | | ARTHIST | 121 | | ASIALANG | 129 | | ASIAN | 109 | | ASIANAM | 28 | | ASTRON | 38 | | ATMOCN | 69 | | BIOCHEM | 51 | | BIOCORE | 10 | | BIOLOGY | 14 | | BIOMDSCI | 18 | | BME | 66 | | BMI | 41 | | BMOLCHEM | 10 | | BOTANY | 69 | | BSE | 44 | | C\&ESOC | 73 | | CBE | 48 | | CHEM | 101 | | CHICLA | 52 | | CIVENGR | 133 | | CLASSICS | 47 | | CNP | 10 | | CNSRSCI | 50 | | COMARTS | 137 | | COMPBIO | 15 | | COMPLIT | 11 | | COMPSCI | 138 | | COUNPSY | 78 | | CRB | 19 | | CS\&D | 71 | | CSCS | 40 | | CURRIC | 193 | | DANCE | 93 | | DERM | 8 | | DS | 88 | | DYSCI | 35 | | ECE | 155 | | ECON | 145 | | EDPOL | 114 | | EDPSYCH | 97 | | ELPA | 70 | | EMA | 53 | | EMERMED | 17 | | ENGL | 206 | | ENTOM | 40 | | ENVIRST | 148 | | EP | 15 | | EPD | 67 | | ESL | 16 | | F\&WECOL | 60 | | FAMMED | 22 | | FINANCE | 50 | | FOLKLORE | 40 | | FOODSCI | 43 | | FRENCH | 63 | | GEN\&WS | 145 | | GENBUS | 72 | | GENECSLR | 17 | | GENETICS | 60 | | GEOG | 113 | | GEOSCI | 83 | | GERMAN | 82 | | GLE | 48 | | GNS | 38 | | GREEK | 27 | | HDFS | 41 | | HEBR-BIB | 13 | | HEBR-MOD | 10 | | HISTORY | 233 | | HISTSCI | 56 | | HONCOL | 13 | | ILS | 43 | | INFOSYS | 9 | | INTEGART | 7 | | INTEGSCI | 22 | | INTER-AG | 18 | | INTER-HE | 11 | | INTER-LS | 22 | | INTEREGR | 16 | | INTLBUS | 21 | | INTLST | 50 | | ISYE | 83 | | ITALIAN | 53 | | JEWISH | 56 | | JOURN | 88 | | KINES | 128 | | LACIS | 26 | | LANDARC | 61 | | LATIN | 24 | | LAW | 120 | | LEGALST | 48 | | LINGUIS | 35 | | LIS | 89 | | LITTRANS | 78 | | LSC | 52 | | M\&ENVTOX | 7 | | MARKETNG | 62 | | MATH | 153 | | MDGENET | 8 | | ME | 130 | | MEDHIST | 43 | | MEDICINE | 60 | | MEDIEVAL | 32 | | MEDPHYS | 39 | | MEDSC-M | 29 | | MEDSC-V | 41 | | MHR | 68 | | MICROBIO | 45 | | MILSCI | 16 | | MM\&I | 22 | | MOLBIOL | 6 | | MS\&E | 59 | | MUSIC | 165 | | MUSPERF | 126 | | NAVSCI | 20 | | NE | 44 | | NEURODPT | 11 | | NEUROL | 7 | | NEURSURG | 4 | | NTP | 11 | | NURSING | 111 | | NUTRSCI | 65 | | OBS\&GYN | 18 | | OCCTHER | 39 | | ONCOLOGY | 14 | | OPHTHALM | 5 | | OTM | 43 | | PATH | 34 | | PATH-BIO | 29 | | PEDIAT | 26 | | PHARMACY | 31 | | PHILOS | 77 | | PHMCOL-M | 11 | | PHMPRAC | 45 | | PHMSCI | 60 | | PHYASST | 37 | | PHYSICS | 88 | | PHYSIOL | 3 | | PHYTHER | 37 | | PLANTSCI | 52 | | PLPATH | 35 | | POLISCI | 192 | | POPHLTH | 58 | | PORTUG | 33 | | PSYCH | 101 | | PSYCHIAT | 22 | | PUBAFFR | 54 | | PUBLHLTH | 23 | | RADIOL | 11 | | REALEST | 41 | | RELIGST | 90 | | RHABMED | 9 | | RMI | 24 | | RP\&SE | 102 | | S\&APHM | 17 | | SCANDST | 73 | | SLAVIC | 89 | | SOC | 149 | | SOCWORK | 87 | | SOILSCI | 46 | | SPANISH | 83 | | SRMED | 21 | | STAT | 94 | | STDYABRD | 52 | | STS | 8 | | SURGERY | 25 | | SURGSCI | 33 | | THEATRE | 91 | | URBRPL | 60 | | UROLOGY | 5 | | ZOOLOGY | 89 | ## course ### run id 20260907T155543-ce3781c4 ### semester 1272 ### observed at 2026-09-07 15:55:43.033547+00:00 ### record version id e267c7f7ead4ec605fbe5eb90c04001f23ce5de2e8d0eb2d1b3e8633e1df2120 ### course id ECE 542 ### course uid course\_800240e123aa63ca6a162dd9 ### catalog version id 700c52d2fbc524f3f93c358aa11341de04eb1d23681709cbf542fc4a4bf988cc ### course number 542 ### subjects * ECE ### title INTRODUCTION TO MICROELECTROMECHANICAL SYSTEMS ### description Introduction to MEMS technology, devices and systems. Fundamentals of MEMS in fabrication, process integration, material mechanics of MEMS structures, sensors and actuators. Main topics in MEMS - microfluidics, optical MEMS, RF MEMS, BioMEMS, packaging, and CAD. ### requirements text (E C E 335or340), graduate/professional standing, or member of Engineering Guest Students ### credits min 3 ### credits max 3 ### credit offering ids * 1272:320:022814 ### llm job id enrich-f516c4d3e82cfe326b4f5f54 ### llm output id e0f072c33f9e2892a78a758728138d4f1683f0295b6bfe01eeceb90d1c1a6e5d ### llm model nvidia/Qwen3.6-35B-A3B-NVFP4 ### llm model revision 1355db6a052410cfd62085d94b58866fd0f2c3c5 ### llm task version 14 ### llm search status valid ### llm summary Introduction to MEMS technology, devices, and systems, covering fabrication, process integration, material mechanics, and applications in sensors, actuators, and specialized MEMS types. ### llm topics * Microfluidics, optical MEMS, RF MEMS, BioMEMS, packaging, and CAD. ### llm skills * Understanding MEMS technology, devices, and systems including fabrication, process integration, material mechanics, and specific applications like microfluidics, optical, RF, and BioMEMS. ### llm assumed background * Fundamentals of semiconductor devices, microelectronic processing, and circuit analysis/design. ### llm search phrases * MEMS fabrication * microfluidics * RF MEMS * BioMEMS * MEMS sensors actuators * microelectromechanical systems ### llm requirements status valid ### llm student summary status valid ### llm experience status valid ### catalog variants None recorded. ### student summary #### context hash 240badac88e76ce3f1828b97dc65df501f8c8e5a6fe6fe4243fc22d6b1e055bd #### course id ECE 542 #### current instructors ```json [ { "instructor_uid": "instructor_80b9c58bb54c247aca1d41ef", "message": null, "name": "Hongrui Jiang", "review_status": "supported", "rmp_instructor_id": "rmp:2257703", "summary": [ { "citations": [ { "instructor_name": "Hongrui Jiang", "review_date": "2020-11-04 22:17:16 +0000 UTC", "review_id": "59831d860f376ce7f5cb821f", "run_id": "20260907T155543-ce3781c4", "source_instructor_id": "rmp:2257703", "source_review_id": "UmF0aW5nLTMzNzcwNjk0", "source_url": "https://www.ratemyprofessors.com/professor/2257703", "type": "review" } ], "text": "Hongrui Jiang teaches ECE 542, a course aligned with his research focus, resulting in creative homework and helpful projects that students find engaging and recommend highly." }, { "citations": [ { "instructor_name": "Hongrui Jiang", "review_date": "2020-12-25 01:06:56 +0000 UTC", "review_id": "54d402717e04043c56482a10", "run_id": "20260907T155543-ce3781c4", "source_instructor_id": "rmp:2257703", "source_review_id": "UmF0aW5nLTM0MTk1NjAz", "source_url": "https://www.ratemyprofessors.com/professor/2257703", "type": "review" } ], "text": "Jiang is patient and helpful for respectful students who admit confusion, though he may appear condescending to those who pretend knowledge. He is a lenient grader who rarely gives full scores unless work is impressive." }, { "citations": [ { "course_id": "ECE 542", "run_id": "20260907T155543-ce3781c4", "section_number": 1, "source_course_id": "bbc21cdc-0ee0-359f-bb4d-1a460bc827d3", "source_record": { "entity_id": "bbc21cdc-0ee0-359f-bb4d-1a460bc827d3", "file": "tables/observations.parquet", "kind": "grades", "source": "madgrades" }, "table": "section_grades_latest", "term_id": "1192", "type": "grade" }, { "course_id": "ECE 542", "run_id": "20260907T155543-ce3781c4", "section_number": 1, "source_course_id": "bbc21cdc-0ee0-359f-bb4d-1a460bc827d3", "source_record": { "entity_id": "bbc21cdc-0ee0-359f-bb4d-1a460bc827d3", "file": "tables/observations.parquet", "kind": "grades", "source": "madgrades" }, "table": "section_grades_latest", "term_id": "1212", "type": "grade" }, { "course_id": "ECE 542", "run_id": "20260907T155543-ce3781c4", "section_number": 1, "source_course_id": "bbc21cdc-0ee0-359f-bb4d-1a460bc827d3", "source_record": { "entity_id": "bbc21cdc-0ee0-359f-bb4d-1a460bc827d3", "file": "tables/observations.parquet", "kind": "grades", "source": "madgrades" }, "table": "section_grades_latest", "term_id": "1242", "type": "grade" } ], "text": "Recent recorded grades — Fall 2018: 3.68 GPA, 89.5% A/AB (n=19 letter grades); Fall 2020: 3.61 GPA, 90.9% A/AB (n=22 letter grades); Fall 2023: 3.67 GPA, 83.3% A/AB (n=24 letter grades)." } ] } ] ``` #### difficulty workload Homework sets are described as fun and creative, while projects are noted as helpful for learning the material. ```json { "citations": [ { "instructor_name": "Hongrui Jiang", "review_date": "2020-11-04 22:17:16 +0000 UTC", "review_id": "59831d860f376ce7f5cb821f", "run_id": "20260907T155543-ce3781c4", "source_instructor_id": "rmp:2257703", "source_review_id": "UmF0aW5nLTMzNzcwNjk0", "source_url": "https://www.ratemyprofessors.com/professor/2257703", "type": "review" } ] } ``` #### errors None recorded. #### historical context None recorded. #### offered true #### profile hash e59ddc7389015d0035b68cd195c939d475bf72b959b29cf12eab59b454ccaef1 #### quick take Professor Hongrui Jiang teaches a course aligned with his research, offering creative homework and helpful projects. He is patient with respectful students but condescending to those who pretend knowledge, though he grades leniently for impressive work. ```json { "citations": [ { "instructor_name": "Hongrui Jiang", "review_date": "2020-11-04 22:17:16 +0000 UTC", "review_id": "59831d860f376ce7f5cb821f", "run_id": "20260907T155543-ce3781c4", "source_instructor_id": "rmp:2257703", "source_review_id": "UmF0aW5nLTMzNzcwNjk0", "source_url": "https://www.ratemyprofessors.com/professor/2257703", "type": "review" }, { "instructor_name": "Hongrui Jiang", "review_date": "2020-12-25 01:06:56 +0000 UTC", "review_id": "54d402717e04043c56482a10", "run_id": "20260907T155543-ce3781c4", "source_instructor_id": "rmp:2257703", "source_review_id": "UmF0aW5nLTM0MTk1NjAz", "source_url": "https://www.ratemyprofessors.com/professor/2257703", "type": "review" } ] } ``` Recent recorded grades — Fall 2018: 3.68 GPA, 89.5% A/AB (n=19 letter grades); Fall 2020: 3.61 GPA, 90.9% A/AB (n=22 letter grades); Fall 2023: 3.67 GPA, 83.3% A/AB (n=24 letter grades). ```json { "citations": [ { "course_id": "ECE 542", "run_id": "20260907T155543-ce3781c4", "source_record": { "entity_id": "bbc21cdc-0ee0-359f-bb4d-1a460bc827d3", "file": "tables/observations.parquet", "kind": "grades", "source": "madgrades" }, "table": "grades_latest", "term_id": "1192", "type": "grade" }, { "course_id": "ECE 542", "run_id": "20260907T155543-ce3781c4", "source_record": { "entity_id": "bbc21cdc-0ee0-359f-bb4d-1a460bc827d3", "file": "tables/observations.parquet", "kind": "grades", "source": "madgrades" }, "table": "grades_latest", "term_id": "1212", "type": "grade" }, { "course_id": "ECE 542", "run_id": "20260907T155543-ce3781c4", "source_record": { "entity_id": "bbc21cdc-0ee0-359f-bb4d-1a460bc827d3", "file": "tables/observations.parquet", "kind": "grades", "source": "madgrades" }, "table": "grades_latest", "term_id": "1242", "type": "grade" } ] } ``` #### student experience Students who are respectful and admit they do not understand are walked through problems slowly, whereas pretense is met with condescension. ```json { "citations": [ { "instructor_name": "Hongrui Jiang", "review_date": "2020-12-25 01:06:56 +0000 UTC", "review_id": "54d402717e04043c56482a10", "run_id": "20260907T155543-ce3781c4", "source_instructor_id": "rmp:2257703", "source_review_id": "UmF0aW5nLTM0MTk1NjAz", "source_url": "https://www.ratemyprofessors.com/professor/2257703", "type": "review" } ] } ``` #### task hash 74fb0997943e888960bbc9e47db8c4fd12e4292d55c20509d8d89db6a9910f68 #### teaching history HONGRUI JIANG is recorded teaching in Fall 2008, Fall 2010, Fall 2012, Fall 2014, Fall 2016, Fall 2018, Fall 2020, Fall 2023. Recorded history may be incomplete and does not establish a future schedule. ```json { "citations": [ { "course_id": "ECE 542", "run_id": "20260907T155543-ce3781c4", "section_number": 1, "source_course_id": "bbc21cdc-0ee0-359f-bb4d-1a460bc827d3", "source_record": { "entity_id": "bbc21cdc-0ee0-359f-bb4d-1a460bc827d3", "file": "tables/observations.parquet", "kind": "grades", "source": "madgrades" }, "table": "section_grades_latest", "term_id": "1092", "type": "grade" }, { "course_id": "ECE 542", "run_id": "20260907T155543-ce3781c4", "section_number": 1, "source_course_id": "bbc21cdc-0ee0-359f-bb4d-1a460bc827d3", "source_record": { "entity_id": "bbc21cdc-0ee0-359f-bb4d-1a460bc827d3", "file": "tables/observations.parquet", "kind": "grades", "source": "madgrades" }, "table": "section_grades_latest", "term_id": "1112", "type": "grade" }, { "course_id": "ECE 542", "run_id": "20260907T155543-ce3781c4", "section_number": 1, "source_course_id": "bbc21cdc-0ee0-359f-bb4d-1a460bc827d3", "source_record": { "entity_id": "bbc21cdc-0ee0-359f-bb4d-1a460bc827d3", "file": "tables/observations.parquet", "kind": "grades", "source": "madgrades" }, "table": "section_grades_latest", "term_id": "1132", "type": "grade" }, { "course_id": "ECE 542", "run_id": "20260907T155543-ce3781c4", "section_number": 1, "source_course_id": "bbc21cdc-0ee0-359f-bb4d-1a460bc827d3", "source_record": { "entity_id": "bbc21cdc-0ee0-359f-bb4d-1a460bc827d3", "file": "tables/observations.parquet", "kind": "grades", "source": "madgrades" }, "table": "section_grades_latest", "term_id": "1152", "type": "grade" }, { "course_id": "ECE 542", "run_id": "20260907T155543-ce3781c4", "section_number": 1, "source_course_id": "bbc21cdc-0ee0-359f-bb4d-1a460bc827d3", "source_record": { "entity_id": "bbc21cdc-0ee0-359f-bb4d-1a460bc827d3", "file": "tables/observations.parquet", "kind": "grades", "source": "madgrades" }, "table": "section_grades_latest", "term_id": "1172", "type": "grade" }, { "course_id": "ECE 542", "run_id": "20260907T155543-ce3781c4", "section_number": 1, "source_course_id": "bbc21cdc-0ee0-359f-bb4d-1a460bc827d3", "source_record": { "entity_id": "bbc21cdc-0ee0-359f-bb4d-1a460bc827d3", "file": "tables/observations.parquet", "kind": "grades", "source": "madgrades" }, "table": "section_grades_latest", "term_id": "1192", "type": "grade" }, { "course_id": "ECE 542", "run_id": "20260907T155543-ce3781c4", "section_number": 1, "source_course_id": "bbc21cdc-0ee0-359f-bb4d-1a460bc827d3", "source_record": { "entity_id": "bbc21cdc-0ee0-359f-bb4d-1a460bc827d3", "file": "tables/observations.parquet", "kind": "grades", "source": "madgrades" }, "table": "section_grades_latest", "term_id": "1212", "type": "grade" }, { "course_id": "ECE 542", "run_id": "20260907T155543-ce3781c4", "section_number": 1, "source_course_id": "bbc21cdc-0ee0-359f-bb4d-1a460bc827d3", "source_record": { "entity_id": "bbc21cdc-0ee0-359f-bb4d-1a460bc827d3", "file": "tables/observations.parquet", "kind": "grades", "source": "madgrades" }, "table": "section_grades_latest", "term_id": "1242", "type": "grade" } ] } ``` #### term id 1272 #### term name 2026 Fall #### version 2 ### requirements #### nodes ```json [ { "children": [ "n1", "n2", "n3", "n4" ], "condition": null, "course": null, "evidence": "(E C E 335or340), graduate/professional standing, or member of Engineering Guest Students", "id": "n0", "kind": "any" }, { "children": [], "condition": null, "course": { "course_number": 335, "minimum_grade": null, "subjects": [ "ECE" ], "timing": "prior" }, "evidence": "E C E 335", "id": "n1", "kind": "course" }, { "children": [], "condition": null, "course": { "course_number": 340, "minimum_grade": null, "subjects": [ "ECE" ], "timing": "prior" }, "evidence": "340", "id": "n2", "kind": "course" }, { "children": [], "condition": "graduate/professional standing", "course": null, "evidence": "graduate/professional standing", "id": "n3", "kind": "condition" }, { "children": [], "condition": "member of Engineering Guest Students", "course": null, "evidence": "member of Engineering Guest Students", "id": "n4", "kind": "condition" } ] ``` #### notes None recorded. #### root n0 #### status parsed ### instructors ```json [ { "instructor_uid": "instructor_80b9c58bb54c247aca1d41ef", "source": "enrollment", "source_instructor_id": "hongruijiang", "identity_basis": "netid", "identity_status": "source_identified", "name": "Hongrui Jiang", "email": "HONGRUI@ENGR.WISC.EDU", "first_observed_at": "2026-09-07 15:55:43.033547+00:00", "last_observed_at": "2026-09-07 15:55:43.033547+00:00", "ratings": { "review_count": 18, "quality": 3.17, "difficulty": 3.17, "quality_count": 18, "difficulty_count": 18, "profile_id": "rmp:2257703", "source_url": "https://www.ratemyprofessors.com/professor/2257703", "match_basis": "exact_name", "observed_at": "2026-09-07 16:36:31.041150+00:00", "courses": { "course_1bd32bc0c6b6f790c916febd": { "review_count": 6, "quality": 3.83, "difficulty": 1.5, "quality_count": 6, "difficulty_count": 6 }, "course_5fc814075395647ecb66dae2": { "review_count": 1, "quality": 5, "difficulty": 4, "quality_count": 1, "difficulty_count": 1 }, "course_e4907bcab45d27b295e30076": { "review_count": 3, "quality": 3, "difficulty": 3.33, "quality_count": 3, "difficulty_count": 3 }, "course_236b13facc1d300e22cc9b1e": { "review_count": 6, "quality": 1.67, "difficulty": 4.33, "quality_count": 6, "difficulty_count": 6 }, "course_800240e123aa63ca6a162dd9": { "review_count": 2, "quality": 5, "difficulty": 4, "quality_count": 2, "difficulty_count": 2 } }, "bayesian_quality": 3.4277293597613663, "prior_mean": 3.6596857835465957, "prior_weight": 20 }, "instructor_url": "/instructors/HONGRUI_JIANG" } ] ``` ### offerings ```json [ { "run_id": "20260907T155543-ce3781c4", "semester": "1272", "observed_at": "2026-09-07 15:55:43.033547+00:00", "offering_id": "1272:320:022814", "course_id": "ECE 542", "course_uid": "course_800240e123aa63ca6a162dd9", "term_id": "1272", "source_course_id": "022814", "source_subject_id": "320", "title": "Introduction to Microelectromechanical Systems", "credits_min": 3, "credits_max": 3, "typically_offered": "Fall" } ] ``` ### sections ```json [ { "run_id": "20260907T155543-ce3781c4", "observed_at": "2026-09-07 15:55:43.033547+00:00", "section_uid": "uw-section:1272:35920", "term_id": "1272", "source_section_id": "35920", "identity_basis": "class_number", "section_number": "001", "section_type": "LEC", "instruction_mode": "Classroom Instruction", "capacity": 25, "enrolled": 12, "waitlisted": 0, "start_date": "2026-09-02 05:00:00+00:00", "end_date": "2026-12-09 06:00:00+00:00" } ] ``` ### grade instructors ```json [ { "instructor_uid": "instructor_70cb89b2ed70445b64db0df9", "source": "madgrades", "source_instructor_id": "3571005", "identity_basis": "source_id", "identity_status": "source_identified", "name": "HONGRUI JIANG", "email": null, "first_observed_at": "2026-09-06 23:14:58.172943+00:00", "last_observed_at": "2026-09-07 15:55:43.033547+00:00", "ratings": { "review_count": 18, "quality": 3.17, "difficulty": 3.17, "quality_count": 18, "difficulty_count": 18, "profile_id": "rmp:2257703", "source_url": "https://www.ratemyprofessors.com/professor/2257703", "match_basis": "exact_name", "observed_at": "2026-09-07 16:36:31.041150+00:00", "courses": { "course_1bd32bc0c6b6f790c916febd": { "review_count": 6, "quality": 3.83, "difficulty": 1.5, "quality_count": 6, "difficulty_count": 6 }, "course_5fc814075395647ecb66dae2": { "review_count": 1, "quality": 5, "difficulty": 4, "quality_count": 1, "difficulty_count": 1 }, "course_e4907bcab45d27b295e30076": { "review_count": 3, "quality": 3, "difficulty": 3.33, "quality_count": 3, "difficulty_count": 3 }, "course_236b13facc1d300e22cc9b1e": { "review_count": 6, "quality": 1.67, "difficulty": 4.33, "quality_count": 6, "difficulty_count": 6 }, "course_800240e123aa63ca6a162dd9": { "review_count": 2, "quality": 5, "difficulty": 4, "quality_count": 2, "difficulty_count": 2 } }, "bayesian_quality": 3.4277293597613663, "prior_mean": 3.6596857835465957, "prior_weight": 20 }, "grade_statistics": { "gpa": 3.295, "graded": 1802, "counts": [ 765, 340, 301, 184, 131, 62, 19 ], "sections": 145 }, "instructor_url": "/instructors/HONGRUI_JIANG--instructor_70cb89b2ed70445b64db0df9" }, { "instructor_uid": "instructor_80b9c58bb54c247aca1d41ef", "source": "enrollment", "source_instructor_id": "hongruijiang", "identity_basis": "netid", "identity_status": "source_identified", "name": "Hongrui Jiang", "email": "HONGRUI@ENGR.WISC.EDU", "first_observed_at": "2026-09-07 15:55:43.033547+00:00", "last_observed_at": "2026-09-07 15:55:43.033547+00:00", "ratings": { "review_count": 18, "quality": 3.17, "difficulty": 3.17, "quality_count": 18, "difficulty_count": 18, "profile_id": "rmp:2257703", "source_url": "https://www.ratemyprofessors.com/professor/2257703", "match_basis": "exact_name", "observed_at": "2026-09-07 16:36:31.041150+00:00", "courses": { "course_1bd32bc0c6b6f790c916febd": { "review_count": 6, "quality": 3.83, "difficulty": 1.5, "quality_count": 6, "difficulty_count": 6 }, "course_5fc814075395647ecb66dae2": { "review_count": 1, "quality": 5, "difficulty": 4, "quality_count": 1, "difficulty_count": 1 }, "course_e4907bcab45d27b295e30076": { "review_count": 3, "quality": 3, "difficulty": 3.33, "quality_count": 3, "difficulty_count": 3 }, "course_236b13facc1d300e22cc9b1e": { "review_count": 6, "quality": 1.67, "difficulty": 4.33, "quality_count": 6, "difficulty_count": 6 }, "course_800240e123aa63ca6a162dd9": { "review_count": 2, "quality": 5, "difficulty": 4, "quality_count": 2, "difficulty_count": 2 } }, "bayesian_quality": 3.4277293597613663, "prior_mean": 3.6596857835465957, "prior_weight": 20 }, "instructor_url": "/instructors/HONGRUI_JIANG" } ] ``` ### grades ```json [ { "run_id": "20260907T155543-ce3781c4", "semester": "1272", "observed_at": "2026-09-07 15:55:43.033547+00:00", "course_id": "ECE 542", "course_uid": "course_800240e123aa63ca6a162dd9", "term_id": "1092", "term_name": "Fall 2008", "instructors": [ "Hongrui Jiang" ], "a": 7, "ab": 0, "b": 0, "bc": 0, "c": 0, "d": 0, "f": 0, "satisfactory": 0, "unsatisfactory": 0, "credit": 0, "no_credit": 0, "passed": 0, "incomplete": 0, "no_work": 0, "not_reported": 0, "other": 0, "total": 7, "source_aliases": [ "ECE 542" ] }, { "run_id": "20260907T155543-ce3781c4", "semester": "1272", "observed_at": "2026-09-07 15:55:43.033547+00:00", "course_id": "ECE 542", "course_uid": "course_800240e123aa63ca6a162dd9", "term_id": "1112", "term_name": "Fall 2010", "instructors": [ "Hongrui Jiang" ], "a": 4, "ab": 5, "b": 1, "bc": 0, "c": 0, "d": 0, "f": 0, "satisfactory": 1, "unsatisfactory": 0, "credit": 0, "no_credit": 0, "passed": 0, "incomplete": 0, "no_work": 0, "not_reported": 0, "other": 0, "total": 11, "source_aliases": [ "ECE 542" ] }, { "run_id": "20260907T155543-ce3781c4", "semester": "1272", "observed_at": "2026-09-07 15:55:43.033547+00:00", "course_id": "ECE 542", "course_uid": "course_800240e123aa63ca6a162dd9", "term_id": "1132", "term_name": "Fall 2012", "instructors": [ "Hongrui Jiang" ], "a": 10, "ab": 4, "b": 0, "bc": 0, "c": 0, "d": 0, "f": 0, "satisfactory": 0, "unsatisfactory": 0, "credit": 0, "no_credit": 0, "passed": 0, "incomplete": 0, "no_work": 0, "not_reported": 0, "other": 0, "total": 14, "source_aliases": [ "ECE 542" ] }, { "run_id": "20260907T155543-ce3781c4", "semester": "1272", "observed_at": "2026-09-07 15:55:43.033547+00:00", "course_id": "ECE 542", "course_uid": "course_800240e123aa63ca6a162dd9", "term_id": "1152", "term_name": "Fall 2014", "instructors": [ "Hongrui Jiang" ], "a": 5, "ab": 2, "b": 1, "bc": 1, "c": 0, "d": 0, "f": 0, "satisfactory": 1, "unsatisfactory": 0, "credit": 0, "no_credit": 0, "passed": 0, "incomplete": 0, "no_work": 0, "not_reported": 0, "other": 0, "total": 10, "source_aliases": [ "ECE 542" ] }, { "run_id": "20260907T155543-ce3781c4", "semester": "1272", "observed_at": "2026-09-07 15:55:43.033547+00:00", "course_id": "ECE 542", "course_uid": "course_800240e123aa63ca6a162dd9", "term_id": "1172", "term_name": "Fall 2016", "instructors": [ "Hongrui Jiang" ], "a": 14, "ab": 1, "b": 0, "bc": 0, "c": 0, "d": 0, "f": 0, "satisfactory": 0, "unsatisfactory": 0, "credit": 0, "no_credit": 0, "passed": 0, "incomplete": 0, "no_work": 0, "not_reported": 0, "other": 0, "total": 15, "source_aliases": [ "ECE 542" ] }, { "run_id": "20260907T155543-ce3781c4", "semester": "1272", "observed_at": "2026-09-07 15:55:43.033547+00:00", "course_id": "ECE 542", "course_uid": "course_800240e123aa63ca6a162dd9", "term_id": "1192", "term_name": "Fall 2018", "instructors": [ "Hongrui Jiang" ], "a": 9, "ab": 8, "b": 2, "bc": 0, "c": 0, "d": 0, "f": 0, "satisfactory": 0, "unsatisfactory": 0, "credit": 0, "no_credit": 0, "passed": 0, "incomplete": 0, "no_work": 0, "not_reported": 0, "other": 0, "total": 19, "source_aliases": [ "ECE 542" ] }, { "run_id": "20260907T155543-ce3781c4", "semester": "1272", "observed_at": "2026-09-07 15:55:43.033547+00:00", "course_id": "ECE 542", "course_uid": "course_800240e123aa63ca6a162dd9", "term_id": "1212", "term_name": "Fall 2020", "instructors": [ "Hongrui Jiang" ], "a": 13, "ab": 7, "b": 1, "bc": 0, "c": 0, "d": 0, "f": 1, "satisfactory": 0, "unsatisfactory": 0, "credit": 0, "no_credit": 0, "passed": 0, "incomplete": 0, "no_work": 0, "not_reported": 0, "other": 0, "total": 22, "source_aliases": [ "ECE 542" ] }, { "run_id": "20260907T155543-ce3781c4", "semester": "1272", "observed_at": "2026-09-07 15:55:43.033547+00:00", "course_id": "ECE 542", "course_uid": "course_800240e123aa63ca6a162dd9", "term_id": "1242", "term_name": "Fall 2023", "instructors": [ "Hongrui Jiang" ], "a": 12, "ab": 8, "b": 4, "bc": 0, "c": 0, "d": 0, "f": 0, "satisfactory": 0, "unsatisfactory": 0, "credit": 0, "no_credit": 0, "passed": 0, "incomplete": 0, "no_work": 0, "not_reported": 0, "other": 0, "total": 24, "source_aliases": [ "ECE 542" ] } ] ``` ### statistics #### gpa 3.733 #### graded 120 #### counts * 74 * 35 * 9 * 1 * 0 * 0 * 1 ### grade conflicts None recorded. ### evidence #### history * [/data/e243353dcb7d79b7247ced91d69443ef4c2a6349/history/course\_800240e123aa63ca6a162dd9-0.json](https://uwcourses.com/data/e243353dcb7d79b7247ced91d69443ef4c2a6349/history/course_800240e123aa63ca6a162dd9-0.json) #### traces * [/data/e243353dcb7d79b7247ced91d69443ef4c2a6349/traces/course\_800240e123aa63ca6a162dd9-0.json](https://uwcourses.com/data/e243353dcb7d79b7247ced91d69443ef4c2a6349/traces/course_800240e123aa63ca6a162dd9-0.json) #### reviews * [/data/e243353dcb7d79b7247ced91d69443ef4c2a6349/reviews/course\_800240e123aa63ca6a162dd9-0.json](https://uwcourses.com/data/e243353dcb7d79b7247ced91d69443ef4c2a6349/reviews/course_800240e123aa63ca6a162dd9-0.json) #### meetings * [/data/e243353dcb7d79b7247ced91d69443ef4c2a6349/meetings/course\_800240e123aa63ca6a162dd9-0.json](https://uwcourses.com/data/e243353dcb7d79b7247ced91d69443ef4c2a6349/meetings/course_800240e123aa63ca6a162dd9-0.json) #### results * [/data/e243353dcb7d79b7247ced91d69443ef4c2a6349/results/course\_800240e123aa63ca6a162dd9-0.json](https://uwcourses.com/data/e243353dcb7d79b7247ced91d69443ef4c2a6349/results/course_800240e123aa63ca6a162dd9-0.json) ### revision e243353dcb7d79b7247ced91d69443ef4c2a6349 ## context ### all #### term #### gpa 3.7333333333333334 #### count 120 #### university ##### size 3043 ##### gpa Percentile 57 ##### count Percentile 49 ##### median Count 123 ##### histogram | range | count | current | | ------- | ----- | ------- | | 0.0–0.4 | 0 | false | | 0.4–0.8 | 0 | false | | 0.8–1.2 | 0 | false | | 1.2–1.6 | 0 | false | | 1.6–2.0 | 0 | false | | 2.0–2.4 | 0 | false | | 2.4–2.8 | 14 | false | | 2.8–3.2 | 312 | false | | 3.2–3.6 | 956 | false | | 3.6–4.0 | 1761 | true | #### departments ```json [ { "subject": "ECE", "comparison": { "size": 86, "gpaPercentile": 73, "countPercentile": 42, "medianCount": 150.5, "histogram": [ { "range": "0.0–0.4", "count": 0, "current": false }, { "range": "0.4–0.8", "count": 0, "current": false }, { "range": "0.8–1.2", "count": 0, "current": false }, { "range": "1.2–1.6", "count": 0, "current": false }, { "range": "1.6–2.0", "count": 0, "current": false }, { "range": "2.0–2.4", "count": 0, "current": false }, { "range": "2.4–2.8", "count": 0, "current": false }, { "range": "2.8–3.2", "count": 13, "current": false }, { "range": "3.2–3.6", "count": 41, "current": false }, { "range": "3.6–4.0", "count": 32, "current": true } ] } } ] ``` ### terms #### 1092 ##### term 1092 ##### gpa 4 ##### count 7 ##### departments | subject | comparison | | ------- | ---------- | | ECE | | #### 1112 ##### term 1112 ##### gpa 3.65 ##### count 10 ##### departments | subject | comparison | | ------- | ---------- | | ECE | | #### 1132 ##### term 1132 ##### gpa 3.857142857142857 ##### count 14 ##### departments | subject | comparison | | ------- | ---------- | | ECE | | #### 1152 ##### term 1152 ##### gpa 3.611111111111111 ##### count 9 ##### departments | subject | comparison | | ------- | ---------- | | ECE | | #### 1172 ##### term 1172 ##### gpa 3.966666666666667 ##### count 15 ##### departments | subject | comparison | | ------- | ---------- | | ECE | | #### 1192 ##### term 1192 ##### gpa 3.6842105263157894 ##### count 19 ##### departments | subject | comparison | | ------- | ---------- | | ECE | | #### 1212 ##### term 1212 ##### gpa 3.6136363636363638 ##### count 22 ##### departments | subject | comparison | | ------- | ---------- | | ECE | | #### 1242 ##### term 1242 ##### gpa 3.6666666666666665 ##### count 24 ##### departments | subject | comparison | | ------- | ---------- | | ECE | | ### benchmarks #### all ##### school ###### size 3043 ###### gpa 3.6211782061447444 ###### top Share 79.44619958495294 ###### count 123 ##### ECE ###### size 86 ###### gpa 3.5136048230005077 ###### top Share 72.61730269324352 ###### count 150.5 #### terms ##### 1092 ###### school ###### size 732 ###### gpa 3.374660709520374 ###### top Share 63.690339324346596 ###### count 70 ###### ECE ###### size 18 ###### gpa 3.260010533524362 ###### top Share 55.57892737058536 ###### count 46.5 ##### 1112 ###### school ###### size 805 ###### gpa 3.3737773184830386 ###### top Share 63.91039244872789 ###### count 66 ###### ECE ###### size 27 ###### gpa 3.2587548172943666 ###### top Share 57.4110194229183 ###### count 42 ##### 1132 ###### school ###### size 851 ###### gpa 3.391128778809763 ###### top Share 64.69509437122704 ###### count 66 ###### ECE ###### size 31 ###### gpa 3.341669205733449 ###### top Share 60.24866562304859 ###### count 53 ##### 1152 ###### school ###### size 918 ###### gpa 3.408733538594633 ###### top Share 66.06693005846735 ###### count 65 ###### ECE ###### size 30 ###### gpa 3.3140597882926164 ###### top Share 61.06564628590848 ###### count 62 ##### 1172 ###### school ###### size 991 ###### gpa 3.465129042641772 ###### top Share 69.42600667567366 ###### count 67 ###### ECE ###### size 35 ###### gpa 3.3883507843058354 ###### top Share 63.7905998393372 ###### count 72 ##### 1192 ###### school ###### size 1077 ###### gpa 3.50327634323125 ###### top Share 72.44641925727845 ###### count 67 ###### ECE ###### size 38 ###### gpa 3.447533461703932 ###### top Share 70.3070826404184 ###### count 77 ##### 1212 ###### school ###### size 1111 ###### gpa 3.5856416028074487 ###### top Share 77.58926748660845 ###### count 68 ###### ECE ###### size 41 ###### gpa 3.5390420098740205 ###### top Share 74.4144228117487 ###### count 66 ##### 1242 ###### school ###### size 1295 ###### gpa 3.595302892737449 ###### top Share 78.36291889885307 ###### count 67 ###### ECE ###### size 41 ###### gpa 3.4916867437115484 ###### top Share 71.95296745580877 ###### count 83 ## instructor Trends ```json [ { "uid": "instructor_70cb89b2ed70445b64db0df9", "name": "HONGRUI JIANG", "count": 120, "terms": [ { "term": "1092", "count": 7, "sections": 1, "gpa": 4 }, { "term": "1112", "count": 10, "sections": 1, "gpa": 3.65 }, { "term": "1132", "count": 14, "sections": 1, "gpa": 3.857142857142857 }, { "term": "1152", "count": 9, "sections": 1, "gpa": 3.611111111111111 }, { "term": "1172", "count": 15, "sections": 1, "gpa": 3.966666666666667 }, { "term": "1192", "count": 19, "sections": 1, "gpa": 3.6842105263157894 }, { "term": "1212", "count": 22, "sections": 1, "gpa": 3.6136363636363638 }, { "term": "1242", "count": 24, "sections": 1, "gpa": 3.6666666666666665 } ] } ] ``` ## following None recorded.