Class information for: |
Basic class information |
Hierarchy of classes |
The table includes all classes above and classes immediately below the current class. |
| Cluster id | Level | Cluster label | #P |
|---|---|---|---|
| 13 | 4 | PHYSICS, PARTICLES & FIELDS//PHYSICS, NUCLEAR//OPTICS | 1062565 |
| 141 | 3 | PHYSICAL REVIEW A//OPTICS//PHYSICS, ATOMIC, MOLECULAR & CHEMICAL | 66180 |
| 1640 | 2 | TIME FREQUENCY//ATOMIC CLOCKS//FREQUENCY STANDARD | 7221 |
| 15471 | 1 | ARC EXCELLENCE ENGN QUANTUM SYST//DIELECTRIC RESONATORS//FREQUENCY STAND METROL GRP | 738 |
Terms with highest relevance score |
| rank | Category | termType | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|---|
| 1 | ARC EXCELLENCE ENGN QUANTUM SYST | address | 530776 | 5% | 37% | 34 |
| 2 | DIELECTRIC RESONATORS | authKW | 255200 | 7% | 11% | 55 |
| 3 | FREQUENCY STAND METROL GRP | address | 212250 | 2% | 38% | 13 |
| 4 | MICROELECT OPTOELECT | address | 131083 | 5% | 9% | 36 |
| 5 | CRYOGENIC SAPPHIRE RESONATOR | authKW | 128113 | 0% | 100% | 3 |
| 6 | FREQUENCY STANDARDS METROL GRP | address | 128113 | 0% | 100% | 3 |
| 7 | PHASE MODULATION PM NOISE | authKW | 128113 | 0% | 100% | 3 |
| 8 | SPHERICAL DIELECTRIC RESONATORS | authKW | 128113 | 0% | 100% | 3 |
| 9 | UPR 3202 | address | 128113 | 0% | 100% | 3 |
| 10 | MIKROELEKT OPTOELEKT | address | 123081 | 1% | 41% | 7 |
Web of Science journal categories |
| chi_square_rank | Category | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | Engineering, Electrical & Electronic | 7209 | 58% | 0% | 425 |
| 2 | Acoustics | 5442 | 16% | 0% | 121 |
| 3 | Physics, Applied | 1397 | 30% | 0% | 218 |
| 4 | Instruments & Instrumentation | 1015 | 12% | 0% | 91 |
| 5 | Telecommunications | 504 | 8% | 0% | 56 |
| 6 | Optics | 128 | 7% | 0% | 51 |
| 7 | Engineering, General | 125 | 4% | 0% | 27 |
| 8 | Physics, Condensed Matter | 37 | 6% | 0% | 44 |
| 9 | Physics, Multidisciplinary | 25 | 4% | 0% | 33 |
| 10 | Materials Science, Ceramics | 9 | 1% | 0% | 8 |
Address terms |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | ARC EXCELLENCE ENGN QUANTUM SYST | 530776 | 5% | 37% | 34 |
| 2 | FREQUENCY STAND METROL GRP | 212250 | 2% | 38% | 13 |
| 3 | MICROELECT OPTOELECT | 131083 | 5% | 9% | 36 |
| 4 | FREQUENCY STANDARDS METROL GRP | 128113 | 0% | 100% | 3 |
| 5 | UPR 3202 | 128113 | 0% | 100% | 3 |
| 6 | MIKROELEKT OPTOELEKT | 123081 | 1% | 41% | 7 |
| 7 | USIKOV RADIOPHYS ELECT | 122253 | 3% | 14% | 21 |
| 8 | FEMTO ST UFCCNRS | 85409 | 0% | 100% | 2 |
| 9 | FSM GRP | 85409 | 0% | 100% | 2 |
| 10 | IRCOM | 79082 | 2% | 11% | 17 |
Journals |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL | 107047 | 16% | 2% | 119 |
| 2 | IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 11427 | 8% | 0% | 59 |
| 3 | MICROWAVE JOURNAL | 7724 | 2% | 1% | 18 |
| 4 | MICROWAVES & RF | 4931 | 1% | 1% | 9 |
| 5 | IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT | 4180 | 4% | 0% | 30 |
| 6 | IEEE MICROWAVE AND GUIDED WAVE LETTERS | 4100 | 1% | 1% | 9 |
| 7 | ELECTRONICS LETTERS | 4068 | 8% | 0% | 62 |
| 8 | INTERNATIONAL JOURNAL OF INFRARED AND MILLIMETER WAVES | 3086 | 2% | 0% | 16 |
| 9 | MEASUREMENT SCIENCE AND TECHNOLOGY | 2591 | 3% | 0% | 24 |
| 10 | IEEE MICROWAVE MAGAZINE | 2357 | 1% | 1% | 6 |
Author Key Words |
Core articles |
The table includes core articles in the class. The following variables is taken into account for the relevance score of an article in a cluster c: (1) Number of references referring to publications in the class. (2) Share of total number of active references referring to publications in the class. (3) Age of the article. New articles get higher score than old articles. (4) Citation rate, normalized to year. |
Classes with closest relation at Level 1 |