Class information for:
Level 1: GYROTRON//INTERNATIONAL JOURNAL OF INFRARED AND MILLIMETER WAVES//DEV FAR INFRARED REG

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
13 4 PHYSICS, PARTICLES & FIELDS//PHYSICS, NUCLEAR//OPTICS 1062565
228 3       PHYSICAL REVIEW SPECIAL TOPICS-ACCELERATORS AND BEAMS//NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT//FREE ELECTRON LASER 48839
955 2             GYROTRON//IEEE TRANSACTIONS ON PLASMA SCIENCE//HIGH POWER MICROWAVE 11076
944 1                   GYROTRON//INTERNATIONAL JOURNAL OF INFRARED AND MILLIMETER WAVES//DEV FAR INFRARED REG 2978

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 GYROTRON authKW 5257015 20% 83% 601
2 INTERNATIONAL JOURNAL OF INFRARED AND MILLIMETER WAVES journal 432720 13% 11% 379
3 DEV FAR INFRARED REG address 416826 4% 36% 108
4 MICROWAVE TUBE AREA address 402092 1% 100% 38
5 MAGNETRON INJECTION GUN authKW 370348 1% 100% 35
6 GYRO TWT authKW 341104 1% 92% 35
7 GYROKLYSTRON authKW 328022 1% 100% 31
8 VELOCITY SPREAD authKW 287059 1% 94% 29
9 FZK address 254052 1% 56% 43
10 HOCHLEISTUNGSIMPULS MIKROWELLENTECH address 243326 2% 50% 46

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Physics, Fluids & Plasmas 34966 27% 0% 795
2 Engineering, Electrical & Electronic 17540 45% 0% 1352
3 Physics, Applied 9175 37% 0% 1093
4 Optics 6690 21% 0% 615
5 Nuclear Science & Technology 2618 9% 0% 276
6 Physics, Multidisciplinary 248 6% 0% 176
7 Telecommunications 193 3% 0% 84
8 Instruments & Instrumentation 189 3% 0% 101
9 Physics, Nuclear 87 2% 0% 70
10 Physics, Mathematical 17 1% 0% 42

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 GYROTRON 497538 2% 98% 48
2 DEV FAR INFRARED REG 416826 4% 36% 108
3 MICROWAVE TUBE AREA 402092 1% 100% 38
4 FZK 254052 1% 56% 43
5 HOCHLEISTUNGSIMPULS MIKROWELLENTECH 243326 2% 50% 46
6 ASSOC EURATOM FZK 213324 1% 81% 25
7 PLASMAFOR 198238 2% 27% 69
8 IHM 153430 2% 27% 54
9 ASSOC EURATOM KIT 125299 1% 79% 15
10 HIGH ENERGY ELECT 103806 1% 25% 40

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 INTERNATIONAL JOURNAL OF INFRARED AND MILLIMETER WAVES 432720 13% 11% 379
2 IEEE TRANSACTIONS ON PLASMA SCIENCE 194029 14% 4% 428
3 INTERNATIONAL JOURNAL OF ELECTRONICS 159024 9% 6% 272
4 JOURNAL OF INFRARED MILLIMETER AND TERAHERTZ WAVES 158511 4% 13% 120
5 RADIOPHYSICS AND QUANTUM ELECTRONICS 58231 2% 8% 67
6 PHYSICS OF PLASMAS 24543 7% 1% 214
7 FUSION ENGINEERING AND DESIGN 20956 5% 1% 137
8 IEEE TRANSACTIONS ON ELECTRON DEVICES 17037 5% 1% 160
9 IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES 8852 4% 1% 105
10 FUSION SCIENCE AND TECHNOLOGY 8656 2% 1% 57

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 GYROTRON 5257015 20% 83% 601 Search GYROTRON Search GYROTRON
2 MAGNETRON INJECTION GUN 370348 1% 100% 35 Search MAGNETRON+INJECTION+GUN Search MAGNETRON+INJECTION+GUN
3 GYRO TWT 341104 1% 92% 35 Search GYRO+TWT Search GYRO+TWT
4 GYROKLYSTRON 328022 1% 100% 31 Search GYROKLYSTRON Search GYROKLYSTRON
5 VELOCITY SPREAD 287059 1% 94% 29 Search VELOCITY+SPREAD Search VELOCITY+SPREAD
6 ELECTRON CYCLOTRON HEATING 241826 1% 57% 40 Search ELECTRON+CYCLOTRON+HEATING Search ELECTRON+CYCLOTRON+HEATING
7 GYROTRON TRAVELING WAVE TUBE GYRO TWT 179883 1% 100% 17 Search GYROTRON+TRAVELING+WAVE+TUBE+GYRO+TWT Search GYROTRON+TRAVELING+WAVE+TUBE+GYRO+TWT
8 INTERACTION CAVITY 179883 1% 100% 17 Search INTERACTION+CAVITY Search INTERACTION+CAVITY
9 GYRO AMPLIFIER 169302 1% 100% 16 Search GYRO+AMPLIFIER Search GYRO+AMPLIFIER
10 QUASI OPTICAL MODE CONVERTER 169302 1% 100% 16 Search QUASI+OPTICAL+MODE+CONVERTER Search QUASI+OPTICAL+MODE+CONVERTER

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 27506 BRAGG RESONATOR//COAXIAL BRAGG STRUCTURE//FREE ELECTRON MASER
2 34413 MAGNICON//COLD QUALITY//ELECTRON BEAM ANALYZER
3 20136 ELECTRON BERNSTEIN WAVE//COLLECTIVE THOMSON SCATTERING//ELECTRON CYCLOTRON LAUNCHER
4 5567 SCI TECHNOL HIGH POWER MICROWAVE//HIGH POWER MICROWAVE HPM//HIGH POWER MICROWAVE
5 32105 PRIMARY ELECTRON BEAMS//RADIOTEKHNIKA I ELEKTRONIKA//ELECTRON PLASMA OSCILLATION
6 9353 TRAVELING WAVE TUBE TWT//TRAVELING WAVE TUBE//SLOW WAVE STRUCTURE SWS
7 33988 MICROWAVE PULSE COMPRESSION//BRAGG TYPE SCATTERING//DIAMOND SWITCH
8 8416 TWO STREAM FREE ELECTRON LASER//GUIDE MAGNETIC FIELD//ELECTROMAGNETIC WIGGLER
9 21374 RELATIVISTIC MAGNETRON//MAGNETRON//PLASMA PULSED POWER MICROWAVE
10 28385 MICROUNDULATOR//ELECTROSTATIC UNDULATOR//WIGGLER

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