Class information for:
Level 1: GRP RADIC//TERAHERTZ INSTRUMENTS//RADIOTELESCOPE

Basic class information
Bar chart of Publication_year

Last years might be incomplete

Hierarchy of classes
The table includes all classes above and classes immediately below the current class.


Cluster id Level Cluster label #P
26 4 ENGINEERING, ELECTRICAL & ELECTRONIC//ELECT ENGN//IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION 322555
122 3       IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION//MICROWAVE AND OPTICAL TECHNOLOGY LETTERS//TELECOMMUNICATIONS 69651
2818 2             REFLECTOR ANTENNAS//IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION//LENS ANTENNAS 3259
28253 1                   GRP RADIC//TERAHERTZ INSTRUMENTS//RADIOTELESCOPE 230

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 GRP RADIC address 274059 1% 100% 2
2 TERAHERTZ INSTRUMENTS authKW 274059 1% 100% 2
3 RADIOTELESCOPE authKW 228376 2% 33% 5
4 BEAM MODE EXPANSION authKW 182705 1% 67% 2
5 OFF AXIS MIRROR authKW 182705 1% 67% 2
6 QUASIOPTICAL SYSTEM authKW 182705 1% 67% 2
7 QUASIOPTICAL SYSTEMS authKW 182705 1% 67% 2
8 ANTENNAS MILLIMETER WAVE authKW 137030 0% 100% 1
9 APEX TELESCOPE authKW 137030 0% 100% 1
10 BASE LINE RIPPLE authKW 137030 0% 100% 1

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Optics 2603 44% 0% 102
2 Engineering, Electrical & Electronic 2487 60% 0% 139
3 Telecommunications 1124 19% 0% 44
4 Physics, Applied 544 33% 0% 75
5 Engineering, Marine 202 2% 0% 4
6 Robotics 74 2% 0% 4
7 Engineering, Ocean 50 1% 0% 3
8 Instruments & Instrumentation 28 4% 0% 10
9 Astronomy & Astrophysics 19 5% 0% 12
10 Oceanography 7 2% 0% 4

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 GRP RADIC 274059 1% 100% 2
2 MILLIMETRE WAVE HIGH FIELD ESR GRP 137030 0% 100% 1
3 RADIO SPACE SCI ONSALA SPACE OBSERV 68514 0% 50% 1
4 ASTRON YEBES 45671 1% 11% 3
5 GARD 39148 1% 14% 2
6 CAIS 36538 1% 13% 2
7 LMT GTM PROJECT 27404 0% 20% 1
8 MINIST EDUC BEAM TECHNOL MAT MODIFICAT 27404 0% 20% 1
9 GRP RADIAC 20297 1% 7% 2
10 ESD GRP 19574 0% 14% 1

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 INTERNATIONAL JOURNAL OF INFRARED AND MILLIMETER WAVES 75559 19% 1% 44
2 IEEE TRANSACTIONS ON TERAHERTZ SCIENCE AND TECHNOLOGY 11464 3% 1% 7
3 IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION 8336 13% 0% 29
4 INFRARED PHYSICS 4777 3% 1% 6
5 JOURNAL OF FIELD ROBOTICS 3993 2% 1% 4
6 JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION 3498 7% 0% 16
7 IEE PROCEEDINGS-H MICROWAVES ANTENNAS AND PROPAGATION 3322 2% 0% 5
8 ALTA FREQUENZA 3024 1% 1% 2
9 IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES 2058 6% 0% 14
10 INFRARED PHYSICS & TECHNOLOGY 1427 2% 0% 5

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 TERAHERTZ INSTRUMENTS 274059 1% 100% 2 Search TERAHERTZ+INSTRUMENTS Search TERAHERTZ+INSTRUMENTS
2 RADIOTELESCOPE 228376 2% 33% 5 Search RADIOTELESCOPE Search RADIOTELESCOPE
3 BEAM MODE EXPANSION 182705 1% 67% 2 Search BEAM+MODE+EXPANSION Search BEAM+MODE+EXPANSION
4 OFF AXIS MIRROR 182705 1% 67% 2 Search OFF+AXIS+MIRROR Search OFF+AXIS+MIRROR
5 QUASIOPTICAL SYSTEM 182705 1% 67% 2 Search QUASIOPTICAL+SYSTEM Search QUASIOPTICAL+SYSTEM
6 QUASIOPTICAL SYSTEMS 182705 1% 67% 2 Search QUASIOPTICAL+SYSTEMS Search QUASIOPTICAL+SYSTEMS
7 ANTENNAS MILLIMETER WAVE 137030 0% 100% 1 Search ANTENNAS+MILLIMETER+WAVE Search ANTENNAS+MILLIMETER+WAVE
8 APEX TELESCOPE 137030 0% 100% 1 Search APEX+TELESCOPE Search APEX+TELESCOPE
9 BASE LINE RIPPLE 137030 0% 100% 1 Search BASE+LINE+RIPPLE Search BASE+LINE+RIPPLE
10 BASELINE REDUCTION 137030 0% 100% 1 Search BASELINE+REDUCTION Search BASELINE+REDUCTION

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


rank cluster_id2 link
1 25192 INFRARED PHYSICS//INFRARED STANDARDS//TRANSMITTANCE STANDARDS
2 35737 HIGH FREQUENCY MAT MEASUREMENT INFORMAT//GLASS MAT SCI TEAM//GYROMAGNET RADIO ELECT
3 37941 CPW SLOT LINE//VERY HIGH DIELECTRIC CONSTANT SUBSTRATES//HYBRID WIRELESS FIBER SYSTEMS
4 18817 LENS ANTENNAS//INTEGRATED LENS ANTENNAS//DIELECTRIC LENS ANTENNA
5 15175 HORN ANTENNAS//GAP WAVEGUIDE//CORRUGATED HORN
6 34478 90 DEGREE//ANALOG CORRELATORS//ATELIER INTER UNIV MICROELECT
7 18863 MILLIMETER WAVE IMAGING//GLOW DISCHARGE DETECTOR GDD//AREA SIGNAL THEORY COMMUN
8 5857 SIS MIXER//SUPERCONDUCTOR INSULATOR SUPERCONDUCTOR SIS MIXERS//SUPERCONDUCTOR INSULATOR SUPERCONDUCTOR MIXERS
9 15674 FREQUENCY MULTIPLIER//HETEROSTRUCTURE BARRIER VARACTORS//HETEROSTRUCTURE BARRIER VARACTOR HBV
10 28919 INTEREST RATE PASS THROUGH//RETAIL INTEREST RATES//BANK INTEREST RATES

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