Class information for:
Level 1: COAXIAL VIRCATOR//VIRCATOR//VIRTUAL CATHODE OSCILLATOR

Basic class information
ID Publications Average number
of references		 Avg. shr. active
ref. in WoS
10934 954 17.4 42%


Bar chart of Publication_year

Last years might be incomplete

Classes in level above (level 2)


ID, lev.
above		 Publications Label for level above
1218 8674 GYROTRON//IEEE TRANSACTIONS ON PLASMA SCIENCE//TRAVELING WAVE TUBE TWT

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 COAXIAL VIRCATOR Author keyword 23 86% 1% 12
2 VIRCATOR Author keyword 22 55% 3% 27
3 VIRTUAL CATHODE OSCILLATOR Author keyword 21 85% 1% 11
4 PHOTOELECT SCI ENGN Address 12 40% 2% 23
5 ACCELERATOR PULSE POWER Address 9 28% 3% 28
6 VIRTUAL CATHODE OSCILLATOR VIRCATOR Author keyword 8 70% 1% 7
7 SPACE CHARGE LIMITING CURRENT Author keyword 8 75% 1% 6
8 CATHODE PLASMA Author keyword 7 57% 1% 8
9 VIRCATORS Author keyword 6 71% 1% 5
10 PULSE DRIVEN POWER Address 6 100% 0% 4

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 COAXIAL VIRCATOR 23 86% 1% 12 Search COAXIAL+VIRCATOR Search COAXIAL+VIRCATOR
2 VIRCATOR 22 55% 3% 27 Search VIRCATOR Search VIRCATOR
3 VIRTUAL CATHODE OSCILLATOR 21 85% 1% 11 Search VIRTUAL+CATHODE+OSCILLATOR Search VIRTUAL+CATHODE+OSCILLATOR
4 VIRTUAL CATHODE OSCILLATOR VIRCATOR 8 70% 1% 7 Search VIRTUAL+CATHODE+OSCILLATOR+VIRCATOR Search VIRTUAL+CATHODE+OSCILLATOR+VIRCATOR
5 SPACE CHARGE LIMITING CURRENT 8 75% 1% 6 Search SPACE+CHARGE+LIMITING+CURRENT Search SPACE+CHARGE+LIMITING+CURRENT
6 CATHODE PLASMA 7 57% 1% 8 Search CATHODE+PLASMA Search CATHODE+PLASMA
7 VIRCATORS 6 71% 1% 5 Search VIRCATORS Search VIRCATORS
8 COAXIAL VIRTUAL CATHODE OSCILLATOR 4 75% 0% 3 Search COAXIAL+VIRTUAL+CATHODE+OSCILLATOR Search COAXIAL+VIRTUAL+CATHODE+OSCILLATOR
9 VIRTUAL CATHODE 4 27% 1% 13 Search VIRTUAL+CATHODE Search VIRTUAL+CATHODE
10 INTENSE ELECTRON BEAM 4 40% 1% 8 Search INTENSE+ELECTRON+BEAM Search INTENSE+ELECTRON+BEAM

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 CHILD LANGMUIR LAW 78 78% 5% 52
2 VIRTUAL CATHODE OSCILLATOR 64 82% 4% 37
3 VIRTUAL CATHODE 61 76% 4% 42
4 VIRCATOR 38 76% 3% 26
5 CARBON FIBER CATHODES 21 85% 1% 11
6 PIERCE DIODE 20 54% 3% 25
7 PINCHED DIODE 17 100% 1% 8
8 POWER MICROWAVE GENERATION 15 54% 2% 19
9 EXTERNAL CIRCUIT 15 71% 1% 12
10 FIELD EMISSION CATHODES 13 47% 2% 20

Journals

Reviews


Title Publ. year Cit. Active
references		 % act. ref.
to same field
VIRCATORS (AN OVERVIEW) 1992 43 31 90%
Electronic devices with virtual cathodes (review) 2002 35 59 76%
THE PHYSICS OF BOUNDED PLASMA SYSTEMS (BPSS) - SIMULATION AND INTERPRETATION 1994 36 43 63%
Collective ion acceleration in systems with a virtual cathode 2002 23 22 82%
Collective diode dynamics: An analytical approach 2000 21 37 62%
Nonlinear dynamics of electron beams with a virtual cathode 2004 4 23 78%
STRUCTURE OF ELECTRON-BEAMS IN HIGH-CURRENT DIODES 1987 0 2 100%

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 PHOTOELECT SCI ENGN 12 40% 2.4% 23
2 ACCELERATOR PULSE POWER 9 28% 2.9% 28
3 PULSE DRIVEN POWER 6 100% 0.4% 4
4 CHARGED PARTICLE BEAM PLASMA 5 27% 1.8% 17
5 CHARGED PART BEAM PLASMA 2 67% 0.2% 2
6 PHYS ELECT DIRECTORATE 2 67% 0.2% 2
7 DEHP 2 50% 0.3% 3
8 NANOSCI SIMULAT 2 36% 0.4% 4
9 PULSED POWER POWER ELECT 1 11% 1.4% 13
10 EXCELLENCE COMPLEX NONLINEAR DYNAM SYST 1 50% 0.1% 1

Related classes at same level (level 1)


Rank Relatedness score Related classes
1 0.0000194579 SCI TECHNOL HIGH POWER MICROWAVE//RELATIVISTIC KLYSTRON AMPLIFIER//HIGH POWER MICROWAVE HPM
2 0.0000160951 RELATIVISTIC MAGNETRON//MAGNETRONS//PLASMA PULSED POWER MICROWAVE
3 0.0000129334 DOUBLE PLASMA DEVICE//MULTIPLE DOUBLE LAYERS//GRID BIAS METHOD
4 0.0000095429 PLASMA OPENING SWITCH//MAGNETICALLY INSULATED TRANSMISSION LINE MITL//PINCHED BEAM DIODES
5 0.0000089685 SURFACE CONDUCTION ELECTRON EMITTER DISPLAY SED//SURFACE CONDUCTION ELECTRON EMISSION//SURFACE CONDUCTION ELECTRON EMITTER DISPLAY
6 0.0000089638 FERROELECTRIC CATHODE//ELECTRON AND ION EMISSION//FERROELECTRIC CATHODES
7 0.0000089167 SMIRNOV MATH MECH//SUPERTRONS//SUPERCONDUCTING LENS
8 0.0000059108 RELATIVISTIC ELECTRONICS//MICROWAVE PULSE SHORTENING//MICROWAVE GENERATOR
9 0.0000053863 MULTIPROCESSOR COMPUTER ARCHITECTURES//SLEEPING BAG//UPWINDING SCHEME
10 0.0000049060 INTENSE PULSED ION BEAM//HIGH CURRENT PULSED ELECTRON BEAM//HIGH INTENSITY PULSED ION BEAM