Physics & Astronomy
breakdown
100%
microwaves
58%
spark gaps
42%
cathodes
41%
transmission lines
41%
generators
36%
reflexes
28%
air
28%
gas mixtures
26%
rectangular waveguides
25%
flashover
24%
gases
22%
vacuum
22%
anodes
20%
pulses
20%
radio frequencies
20%
test stands
19%
carbon fibers
19%
waveguides
19%
direct current
18%
vibration
18%
electrons
17%
evaluation
17%
electric potential
17%
atmospheric pressure
17%
switches
16%
oscillators
16%
magnetic fields
16%
fuses
16%
optimization
16%
coronas
15%
electrodes
14%
optical emission spectroscopy
14%
copper
14%
ionospheric heating
14%
pulse generators
13%
secondary emission
13%
electric fields
12%
lightning
12%
conditioning
12%
conductors
11%
arcs
11%
surface roughness
10%
electron emission
10%
antennas
10%
pulse duration
10%
materials selection
10%
retarding
10%
S band
10%
simulation
9%
floating
9%
electromagnetism
9%
geometry
9%
multipactor discharges
9%
electrode materials
9%
degradation
9%
carbon
8%
inductance
8%
actuators
8%
hollow cathodes
8%
ejection
8%
output
8%
characterization
8%
delay lines
8%
emitters
8%
nitrogen
8%
performance
8%
graphene
8%
microwave frequencies
7%
repetition
7%
Engineering & Materials Science
Microwaves
81%
Triodes
76%
Cathodes
50%
Electric potential
45%
Switches
40%
Electric lines
39%
Compaction
33%
Antennas
33%
Fluxes
31%
Electric sparks
27%
Capacitors
26%
Global positioning system
25%
Rail guns
25%
Waveguides
23%
Jitter
23%
Inductance
21%
Electric fields
21%
Gases
21%
Thyristors
20%
Antenna phased arrays
19%
Heating
19%
Electrodes
19%
Tuning
18%
Pulse generators
18%
Anodes
17%
Acoustic impedance
17%
Geometry
16%
Plasmas
14%
Semiconductor switches
14%
Photoconductive switches
13%
Enclosures
13%
Synchronization
12%
Shielding
12%
Electrons
12%
Metamaterials
12%
Pulse transformers
12%
Waveguide components
12%
Vacuum
11%
Gas mixtures
11%
Air
11%
Lighting
10%
Polymers
9%
Magnetic fields
9%
Testing
9%
Experiments
9%
Ions
9%
Calorimeters
8%
Rails
8%
Diodes
8%
Printed circuit boards
8%
Electric delay lines
7%
Surface charge
7%
Lithium
7%
Temperature
7%
Carbon fibers
7%
Water
7%
Private telephone exchanges
7%
Copper
7%
Limiters
6%
Pulse repetition rate
6%
Ignition
6%
Demonstrations
6%
Antenna arrays
5%
Light emission
5%
Rectangular waveguides
5%
Hall effect
5%
Shock waves
5%
Permittivity
5%
Explosive drilling
5%