Class information for:
Level 2: GYROTRON//IEEE TRANSACTIONS ON PLASMA SCIENCE//TRAVELING WAVE TUBE TWT

Basic class information
ID Publications Average number
of references		 Avg. shr. active
ref. in WoS
1218 8674 16.5 43%


Bar chart of Publication_year

Last years might be incomplete

Classes in level above (level 3)


ID, lev.
above		 Publications Label for level above
338 32956 PHYSICAL REVIEW SPECIAL TOPICS-ACCELERATORS AND BEAMS//NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIAT//GYROTRON

Classes in level below (level 1)


ID, lev. below Publications Label for level below
1024 2807 GYROTRON//MICROWAVE TUBE AREA//GYROTRONS
9041 1126 PLASMA OPENING SWITCH//MAGNETICALLY INSULATED TRANSMISSION LINE MITL//PINCHED BEAM DIODES
9925 1043 SCI TECHNOL HIGH POWER MICROWAVE//RELATIVISTIC KLYSTRON AMPLIFIER//HIGH POWER MICROWAVE HPM
10115 1027 TRAVELING WAVE TUBE TWT//SLOW WAVE STRUCTURE SWS//HIGH POWER VACUUM ELECT
10934 954 COAXIAL VIRCATOR//VIRCATOR//VIRTUAL CATHODE OSCILLATOR
14498 699 SMIRNOV MATH MECH//SUPERTRONS//SUPERCONDUCTING LENS
17957 511 RELATIVISTIC MAGNETRON//MAGNETRONS//PLASMA PULSED POWER MICROWAVE
27395 189 SPACE SOLAR POWER REVIEW//ORTHOGONAL BEAMS//POSITIONING SATELLITE SYSTEM
29578 150 RF PULSE COMPRESSOR//MICROWAVE PULSE COMPRESSION//MODE TRANSDUCER
32805 102 MAGNICON//COLD QUALITY//ELECTRON BEAM ANALYZER
34635 66 MULTIPROCESSOR COMPUTER ARCHITECTURES//SLEEPING BAG//UPWINDING SCHEME

Terms with highest relevance score


Rank Term Type of term Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of publ.
in class
1 GYROTRON Author keyword 467 66% 5% 433
2 IEEE TRANSACTIONS ON PLASMA SCIENCE Journal 154 13% 13% 1139
3 TRAVELING WAVE TUBE TWT Author keyword 140 78% 1% 91
4 MICROWAVE TUBE AREA Address 138 100% 0% 38
5 SLOW WAVE STRUCTURE SWS Author keyword 137 88% 1% 65
6 GYROTRONS Author keyword 124 67% 1% 111
7 HIGH POWER MICROWAVE SOURCES TECHNOL Address 88 71% 1% 72
8 HIGH POWER VACUUM ELECT Address 85 81% 1% 51
9 MICROWAVE TUBES Address 83 82% 1% 49
10 INTERNATIONAL JOURNAL OF INFRARED AND MILLIMETER WAVES Journal 74 14% 6% 491

Web of Science journal categories

Author Key Words


Rank Web of Science journal category Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class		 LCSH search Wikipedia search
1 GYROTRON 467 66% 5% 433 Search GYROTRON Search GYROTRON
2 TRAVELING WAVE TUBE TWT 140 78% 1% 91 Search TRAVELING+WAVE+TUBE+TWT Search TRAVELING+WAVE+TUBE+TWT
3 SLOW WAVE STRUCTURE SWS 137 88% 1% 65 Search SLOW+WAVE+STRUCTURE+SWS Search SLOW+WAVE+STRUCTURE+SWS
4 GYROTRONS 124 67% 1% 111 Search GYROTRONS Search GYROTRONS
5 MICROWAVE TUBES 61 76% 0% 42 Search MICROWAVE+TUBES Search MICROWAVE+TUBES
6 HIGH POWER MICROWAVE 60 47% 1% 94 Search HIGH+POWER+MICROWAVE Search HIGH+POWER+MICROWAVE
7 BEAM WAVE INTERACTION 54 64% 1% 53 Search BEAM+WAVE+INTERACTION Search BEAM+WAVE+INTERACTION
8 HIGH POWER MICROWAVE HPM 50 67% 1% 45 Search HIGH+POWER+MICROWAVE+HPM Search HIGH+POWER+MICROWAVE+HPM
9 INTERACTION CAVITY 49 94% 0% 17 Search INTERACTION+CAVITY Search INTERACTION+CAVITY
10 TRAVELING WAVE TUBES 46 59% 1% 52 Search TRAVELING+WAVE+TUBES Search TRAVELING+WAVE+TUBES

Key Words Plus


Rank Web of Science journal category Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class
1 GYROTRON 265 72% 2% 208
2 TWT 115 81% 1% 69
3 HARMONIC GYROTRON 103 97% 0% 30
4 TRAVELING WAVE AMPLIFIER 102 69% 1% 87
5 TUBE AMPLIFIER 94 94% 0% 33
6 CHILD LANGMUIR LAW 83 79% 1% 53
7 VIRTUAL CATHODE OSCILLATOR 79 87% 0% 39
8 VIRTUAL CATHODE 77 82% 1% 45
9 BACKWARD WAVE OSCILLATOR 71 77% 1% 48
10 TWTS 70 86% 0% 36

Journals


Rank Web of Science journal category Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of publ.
in class
1 IEEE TRANSACTIONS ON PLASMA SCIENCE 154 13% 13% 1139
2 INTERNATIONAL JOURNAL OF INFRARED AND MILLIMETER WAVES 74 14% 6% 491
3 JOURNAL OF INFRARED MILLIMETER AND TERAHERTZ WAVES 20 16% 1% 117
4 SPACE SOLAR POWER REVIEW 8 31% 0% 22

Reviews


Title Publ. year Cit. Active references % act. ref.
to same field
The Gyrotron at 50: Historical Overview 2014 15 136 97%
The electron cyclotron maser 2004 186 136 95%
Characteristics and applications of fast-wave gyrodevices 1999 134 82 89%
Review of high-power microwave source research 1997 135 86 79%
Passive high-power microwave components 2002 123 87 86%
A quarter century of gyrotron research and development 1997 67 59 97%
High power gyro-devices for plasma heating and other applications 2005 57 29 90%
A Review on the Applications of High Power, High Frequency Microwave Source: Gyrotron 2011 18 65 71%
Induction voltage adders and the induction accelerator family 2004 49 6 83%
Electronic devices with virtual cathodes (review) 2002 35 59 98%

Address terms


Rank Address term Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class
1 GYROTRON 182 98% 0.5% 47
2 MICROWAVE TUBE AREA 138 100% 0.4% 38
3 HIGH POWER MICROWAVE SOURCES TECHNOL 88 71% 0.8% 72
4 HIGH POWER VACUUM ELECT 85 81% 0.6% 51
5 MICROWAVE TUBES 83 82% 0.6% 49
6 HIGH ENERGY ELECT 55 50% 0.9% 79
7 SCI TECHNOL VACUUM ELECT 51 69% 0.5% 44
8 ASSOC EURATOM FZK 47 84% 0.3% 26
9 DEV FAR INFRARED REG 46 37% 1.1% 98
10 VACUUM ELE OPHYS 44 100% 0.2% 16

Related classes at same level (level 2)


Rank Relatedness score Related classes
1 0.0000024218 RELATIVISTIC ELECTRONICS//DIFUSAO MAT//MICROWAVE PULSE SHORTENING
2 0.0000019711 FREE ELECTRON LASER//PHYSICAL REVIEW SPECIAL TOPICS-ACCELERATORS AND BEAMS//FREE ELECTRON LASERS
3 0.0000016170 HIGH CURRENT ELECT//LINEAR TRANSFORMER DRIVER//GAS SWITCH
4 0.0000012950 IMPREGNATED CATHODES//OXIDE CATHODE//SCANDATE CATHODE
5 0.0000011840 FERROELECTRIC CATHODE//PSEUDOSPARK SWITCH//PSEUDOSPARK
6 0.0000009533 PLASMA FOCUS//Z PINCH//PLASMA PINCH
7 0.0000008697 PHYSICAL REVIEW SPECIAL TOPICS-ACCELERATORS AND BEAMS//PARTICLE ACCELERATORS//PROTON ENGN FRONTIER PROJECT
8 0.0000006017 INTENSE PULSED ION BEAM//HIGH CURRENT PULSED ELECTRON BEAM//HIGH INTENSITY PULSED ION BEAM
9 0.0000006012 FIELD EMISSION//VACUUM MICROELECTRONICS//FIELD EMITTER ARRAY
10 0.0000005808 JOHNS HOPKINS APL TECHNICAL DIGEST//MILLIMETER WAVE LIGHT WAVE NEAR SENSIN//QUASI OPTICAL RESONATORS